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• rdiff-backup is taking longer and longer every time it runs

  - by Jakobud

  I've been running rdiff-backup for the past week or so, every night at 4am. It started out not taking that long, but its taking longer and longer and longer every time its runs every night. In some cases there are quite a few new and changed files and in other cases, not so much. It started out taking < 10 minutes, and after a week its taking over 4.5 hrs to run. Take a look at my session stats below: StartTime 1268046002.00 (Mon Mar 8 04:00:02 2010) EndTime 1268046373.50 (Mon Mar 8 04:06:13 2010) ElapsedTime 371.50 (6 minutes 11.50 seconds) SourceFiles 213928 SourceFileSize 277271282225 (258 GB) MirrorFiles 213914 MirrorFileSize 276693097638 (258 GB) NewFiles 16 NewFileSize 578209911 (551 MB) DeletedFiles 2 DeletedFileSize 2598 (2.54 KB) ChangedFiles 27 ChangedSourceSize 5195150 (4.95 MB) ChangedMirrorSize 5217876 (4.98 MB) IncrementFiles 0 IncrementFileSize 0 (0 bytes) TotalDestinationSizeChange 578184587 (551 MB) Errors 0 StartTime 1268132402.00 (Tue Mar 9 04:00:02 2010) EndTime 1268134341.29 (Tue Mar 9 04:32:21 2010) ElapsedTime 1939.29 (32 minutes 19.29 seconds) SourceFiles 213963 SourceFileSize 307959842562 (287 GB) MirrorFiles 213928 MirrorFileSize 277271282225 (258 GB) NewFiles 37 NewFileSize 31265005547 (29.1 GB) DeletedFiles 2 DeletedFileSize 576511960 (550 MB) ChangedFiles 25 ChangedSourceSize 5243761 (5.00 MB) ChangedMirrorSize 5177011 (4.94 MB) IncrementFiles 65 IncrementFileSize 577266412 (551 MB) TotalDestinationSizeChange 31265826749 (29.1 GB) Errors 0 StartTime 1268218802.00 (Wed Mar 10 04:00:02 2010) EndTime 1268225230.15 (Wed Mar 10 05:47:10 2010) ElapsedTime 6428.15 (1 hour 47 minutes 8.15 seconds) SourceFiles 213971 SourceFileSize 307960643843 (287 GB) MirrorFiles 213963 MirrorFileSize 307959842562 (287 GB) NewFiles 9 NewFileSize 694087 (678 KB) DeletedFiles 1 DeletedFileSize 894 (894 bytes) ChangedFiles 38 ChangedSourceSize 30656167797 (28.6 GB) ChangedMirrorSize 30656059709 (28.6 GB) IncrementFiles 48 IncrementFileSize 289278151 (276 MB) TotalDestinationSizeChange 290079432 (277 MB) Errors 0 StartTime 1268305202.00 (Thu Mar 11 04:00:02 2010) EndTime 1268312788.15 (Thu Mar 11 06:06:28 2010) ElapsedTime 7586.15 (2 hours 6 minutes 26.15 seconds) SourceFiles 213971 SourceFileSize 307960643779 (287 GB) MirrorFiles 213971 MirrorFileSize 307960643843 (287 GB) NewFiles 0 NewFileSize 0 (0 bytes) DeletedFiles 0 DeletedFileSize 0 (0 bytes) ChangedFiles 15 ChangedSourceSize 30650824127 (28.5 GB) ChangedMirrorSize 30650824191 (28.5 GB) IncrementFiles 16 IncrementFileSize 689437042 (657 MB) TotalDestinationSizeChange 689436978 (657 MB) Errors 0 StartTime 1268391601.00 (Fri Mar 12 04:00:01 2010) EndTime 1268400145.85 (Fri Mar 12 06:22:25 2010) ElapsedTime 8544.85 (2 hours 22 minutes 24.85 seconds) SourceFiles 213974 SourceFileSize 307960784445 (287 GB) MirrorFiles 213971 MirrorFileSize 307960643779 (287 GB) NewFiles 5 NewFileSize 269587 (263 KB) DeletedFiles 2 DeletedFileSize 128921 (126 KB) ChangedFiles 16 ChangedSourceSize 30650815948 (28.5 GB) ChangedMirrorSize 30650815948 (28.5 GB) IncrementFiles 26 IncrementFileSize 818279963 (780 MB) TotalDestinationSizeChange 818420629 (781 MB) Errors 0 StartTime 1268478002.00 (Sat Mar 13 04:00:02 2010) EndTime 1268488740.33 (Sat Mar 13 06:59:00 2010) ElapsedTime 10738.33 (2 hours 58 minutes 58.33 seconds) SourceFiles 213974 SourceFileSize 307960784238 (287 GB) MirrorFiles 213974 MirrorFileSize 307960784445 (287 GB) NewFiles 0 NewFileSize 0 (0 bytes) DeletedFiles 0 DeletedFileSize 0 (0 bytes) ChangedFiles 16 ChangedSourceSize 30650823920 (28.5 GB) ChangedMirrorSize 30650824127 (28.5 GB) IncrementFiles 19 IncrementFileSize 1041846015 (994 MB) TotalDestinationSizeChange 1041845808 (994 MB) Errors 0 StartTime 1268560803.00 (Sun Mar 14 04:00:03 2010) EndTime 1268573194.82 (Sun Mar 14 07:26:34 2010) ElapsedTime 12391.82 (3 hours 26 minutes 31.82 seconds) SourceFiles 213974 SourceFileSize 307960784238 (287 GB) MirrorFiles 213974 MirrorFileSize 307960784238 (287 GB) NewFiles 0 NewFileSize 0 (0 bytes) DeletedFiles 0 DeletedFileSize 0 (0 bytes) ChangedFiles 14 ChangedSourceSize 30650815948 (28.5 GB) ChangedMirrorSize 30650815948 (28.5 GB) IncrementFiles 15 IncrementFileSize 1116911810 (1.04 GB) TotalDestinationSizeChange 1116911810 (1.04 GB) Errors 0 StartTime 1268647203.00 (Mon Mar 15 04:00:03 2010) EndTime 1268662364.88 (Mon Mar 15 08:12:44 2010) ElapsedTime 15161.88 (4 hours 12 minutes 41.88 seconds) SourceFiles 214010 SourceFileSize 307963430178 (287 GB) MirrorFiles 213974 MirrorFileSize 307960784238 (287 GB) NewFiles 37 NewFileSize 2684172 (2.56 MB) DeletedFiles 1 DeletedFileSize 5348 (5.22 KB) ChangedFiles 32 ChangedSourceSize 30656134913 (28.6 GB) ChangedMirrorSize 30656167797 (28.6 GB) IncrementFiles 71 IncrementFileSize 1316460362 (1.23 GB) TotalDestinationSizeChange 1319106302 (1.23 GB) Errors 0 StartTime 1268733603.00 (Tue Mar 16 04:00:03 2010) EndTime 1268750396.76 (Tue Mar 16 08:39:56 2010) ElapsedTime 16793.76 (4 hours 39 minutes 53.76 seconds) SourceFiles 214010 SourceFileSize 307963430156 (287 GB) MirrorFiles 214010 MirrorFileSize 307963430178 (287 GB) NewFiles 0 NewFileSize 0 (0 bytes) DeletedFiles 0 DeletedFileSize 0 (0 bytes) ChangedFiles 15 ChangedSourceSize 30650823898 (28.5 GB) ChangedMirrorSize 30650823920 (28.5 GB) IncrementFiles 16 IncrementFileSize 936032413 (893 MB) TotalDestinationSizeChange 936032391 (893 MB) Errors 0 StartTime 1268820002.00 (Wed Mar 17 04:00:02 2010) EndTime 1268834619.90 (Wed Mar 17 08:03:39 2010) ElapsedTime 14617.90 (4 hours 3 minutes 37.90 seconds) SourceFiles 214010 SourceFileSize 307963430156 (287 GB) MirrorFiles 214010 MirrorFileSize 307963430156 (287 GB) NewFiles 0 NewFileSize 0 (0 bytes) DeletedFiles 0 DeletedFileSize 0 (0 bytes) ChangedFiles 14 ChangedSourceSize 30650815948 (28.5 GB) ChangedMirrorSize 30650815948 (28.5 GB) IncrementFiles 15 IncrementFileSize 1289272860 (1.20 GB) TotalDestinationSizeChange 1289272860 (1.20 GB) Errors 0 Is this common behavior? It's only about 300gigs of data total. One important thing to note though, rdiff-backup is backup up stuff over to a USB2 external drive. Maybe thats why its so slow?

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• Tomcat dying silently on regular basis

  - by Hendrik

  My tomcat (6.0.32, Java Sun 1.6.0_22-b04 on Ubuntu 10.04) keeps crashing multiple times daily without any specific output in catalina.out. This usually happens on high load (see top output). Update: The pid-file is properly removed when this happens. Update 2: No CATALINA_OPTS set, _JAVA_OPTS are: export _JAVA_OPTIONS="-Xms128m -Xmx1024m -XX:MaxPermSize=512m \ -XX:MinHeapFreeRatio=20 \ -XX:MaxHeapFreeRatio=40 \ -XX:NewSize=10m \ -XX:MaxNewSize=10m \ -XX:SurvivorRatio=6 \ -XX:TargetSurvivorRatio=80 \ -XX:+CMSClassUnloadingEnabled \ -Djava.awt.headless=true \ -Dcom.sun.management.jmxremote \ -Dcom.sun.management.jmxremote.port=37331 \ -Dcom.sun.management.jmxremote.ssl=false \ -Dcom.sun.management.jmxremote.authenticate=true \ -Djava.rmi.server.hostname=(myhostname) \ -Dcom.sun.management.jmxremote.password.file=/etc/java-6-sun/management/jmxremote.password \ -Dcom.sun.management.jmxremote.access.file=/etc/java-6-sun/management/jmxremote.access" Top: top - 12:40:03 up 9 days, 12:15, 3 users, load average: 30.00, 22.39, 21.91 Tasks: 89 total, 4 running, 85 sleeping, 0 stopped, 0 zombie Cpu(s): 53.2%us, 9.7%sy, 0.0%ni, 34.7%id, 1.5%wa, 0.0%hi, 0.8%si, 0.0%st Mem: 4194304k total, 3311304k used, 883000k free, 0k buffers Swap: 4194304k total, 0k used, 4194304k free, 0k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 25850 tomcat6 20 0 1981m 1.2g 11m S 161 29.6 11:41.56 java 12632 mysql 20 0 393m 97m 4452 S 141 2.4 1690:05 mysqld 14932 nobody 20 0 253m 44m 9152 R 56 1.1 3:26.57 php-cgi 7011 nobody 20 0 241m 31m 9124 S 30 0.8 1:35.96 php-cgi 10093 nobody 20 0 228m 18m 8520 S 25 0.5 2:29.97 php-cgi 27071 nobody 20 0 237m 28m 8640 S 11 0.7 3:13.72 php-cgi 3306 nobody 20 0 227m 16m 6736 R 7 0.4 2:29.83 php-cgi 7756 nobody 20 0 261m 58m 15m R 5 1.4 2:22.33 php-cgi 7129 www-data 20 0 3646m 7228 1896 S 2 0.2 0:36.65 nginx 2657 nobody 20 0 228m 18m 8540 S 1 0.5 1:59.51 php-cgi 7131 www-data 20 0 3645m 6464 1960 S 1 0.2 0:34.13 nginx 7140 www-data 20 0 3652m 12m 1896 S 1 0.3 0:35.80 nginx 619 nobody 20 0 231m 29m 15m S 0 0.7 2:33.46 php-cgi 16552 nobody 20 0 250m 41m 8784 S 0 1.0 2:48.12 php-cgi 17134 nobody 20 0 239m 37m 16m S 0 0.9 2:32.86 php-cgi 21004 nobody 20 0 243m 34m 8700 S 0 0.8 1:19.85 php-cgi 26105 root 20 0 19220 1392 1060 R 0 0.0 0:00.82 top 32430 nobody 20 0 256m 47m 9196 S 0 1.2 2:19.01 php-cgi 314 nobody 20 0 256m 47m 8804 S 0 1.1 1:46.00 php-cgi 2111 nobody 20 0 253m 44m 9196 S 0 1.1 3:01.14 php-cgi 2142 root 20 0 26452 2564 868 S 0 0.1 0:00.56 screen 2144 root 20 0 19484 2012 1368 S 0 0.0 0:00.00 bash 2333 nobody 20 0 249m 41m 9160 S 0 1.0 1:10.33 php-cgi 2552 root 20 0 19484 2260 1620 S 0 0.1 0:00.01 bash 2587 nobody 20 0 258m 49m 9192 S 0 1.2 2:04.50 php-cgi 2684 root 20 0 4092 652 540 S 0 0.0 0:00.00 xvfb-run 2696 root 20 0 60720 13m 2352 S 0 0.3 0:09.12 Xvfb 2759 root 20 0 617m 12m 4676 S 0 0.3 0:00.66 node 3514 nobody 20 0 270m 61m 9216 S 0 1.5 3:13.69 php-cgi 5270 root 20 0 25164 1324 1036 S 0 0.0 0:00.01 screen 5402 nobody 20 0 227m 16m 8032 S 0 0.4 1:33.61 php-cgi 5765 root 20 0 81180 3820 3028 S 0 0.1 0:00.31 sshd 5798 nobody 20 0 242m 32m 9124 S 0 0.8 1:52.08 php-cgi 5856 root 20 0 19496 2292 1636 S 0 0.1 0:00.03 bash 6442 root 20 0 62332 20m 1960 S 0 0.5 0:30.58 mrtg 7082 root 20 0 88992 1916 1636 S 0 0.0 0:00.00 PassengerWatchd I can't find any concrete reason for it, no Exceptions or messages of a shutdown in catalina.out (and no other logs in tomcat's log dir). I can start up the service and it will run for a few days or just minutes before dying again. Is there somewhere else i could look for output? Could the kernel start killing threads due to a lack of ressources and by that bring the VM down?

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• Riak "error":"insufficient_vnodes_available"

  - by Wolfiem

  We have 4 nodes Riak installation. They are running on Ubuntu 12.04 LTS Precise installed servers. We have installed 1.1.4 at August 1st 2012 and upgraded 1.2.0 when its available. Server names are: f1 - 10.10.0.12 - This is the first installed server. We have joined other ones to this server. This also serves Riak control. s2 - 10.10.0.22 - s3 - 10.10.0.23 - s4 - 10.10.0.24 - This server also serves Riak control. This morning we've seen "insufficient nodes available" error at our applications log and restarted all nodes. 3 of them became available except "f1" UPDATE : while I prepare this message live 3 nodes became unavailable and need restart Riak. wolfiem@f01:~$ sudo /etc/init.d/riak start Riak failed to start within 15 seconds, see the output of 'riak console' for more information. If you want to wait longer, set the environment variable WAIT_FOR_ERLANG to the number of seconds to wait. I've tried to set WAIT_FOR_ERLANG value to 60 seconds but I can't. adding this line in vm.args didn't work: -env WAIT_FOR_ERLANG 60 I also tried to set this from terminal but it didn't work either. wolfiem@f01:~$ export WAIT_FOR_ERLANG=60 It still says "Riak failed to start within 15 seconds" This is the console.log output: 2012-09-11 10:58:02.532 [info] <0.7.0> Application lager started on node '[email protected]' 2012-09-11 10:58:02.560 [warning] <0.148.0>@riak_core_ring_manager:reload_ring:231 No ring file available. 2012-09-11 10:58:02.585 [error] <0.164.0> CRASH REPORT Process <0.164.0> with 0 neighbours exited with reason: eaddrnotavail in gen_server:init_it/6 line 320 This is the error.log output 2012-09-11 10:58:02.585 [error] <0.164.0> CRASH REPORT Process <0.164.0> with 0 neighbours exited with reason: eaddrnotavail in gen_server:init_it/6 line 320 This is the crash.log output: 2012-09-11 10:58:02 =CRASH REPORT==== crasher: initial call: mochiweb_socket_server:init/1 pid: <0.164.0> registered_name: [] exception exit: {eaddrnotavail,[{gen_server,init_it,6,[{file,"gen_server.erl"},{line,320}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,227}]}]} ancestors: [riak_core_sup,<0.135.0>] messages: [] links: [<0.136.0>] dictionary: [] trap_exit: true status: running heap_size: 377 stack_size: 24 reductions: 403 neighbours: You can find the riak console output below: wolfiem@f01:~$ riak console Attempting to restart script through sudo -H -u riak Exec: /usr/lib/riak/erts-5.9.1/bin/erlexec -boot /usr/lib/riak/releases/1.2.0/riak -embedded -config /etc/riak/app.config -pa /usr/lib/riak/basho-patches -args_file /etc/riak/vm.args -- console Root: /usr/lib/riak Erlang R15B01 (erts-5.9.1) [source] [64-bit] [smp:8:8] [async-threads:64] [kernel-poll:true] =INFO REPORT==== 11-Sep-2012::10:44:18 === alarm_handler: {set,{system_memory_high_watermark,[]}} ** /usr/lib/riak/lib/observer-1.1/ebin/etop_txt.beam hides /usr/lib/riak/lib/basho-patches/etop_txt.beam ** Found 1 name clashes in code paths 10:44:19.099 [info] Application lager started on node '[email protected]' 10:44:19.130 [warning] No ring file available. 10:44:19.158 [error] CRASH REPORT Process <0.164.0> with 0 neighbours exited with reason: eaddrnotavail in gen_server:init_it/6 line 320 /usr/lib/riak/lib/os_mon-2.2.9/priv/bin/memsup: Erlang has closed. =INFO REPORT==== 11-Sep-2012::10:44:19 === alarm_handler: {clear,system_memory_high_watermark} Erlang has closed {"Kernel pid terminated",application_controller,"{application_start_failure,riak_core,{shutdown,{riak_core_app,start,[normal,[]]}}}"} Crash dump was written to: /var/log/riak/erl_crash.dump Kernel pid terminated (application_controller) ({application_start_failure,riak_core,{shutdown,{riak_core_app,start,[normal,[]]}}})

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• A faulty Caviar Blue hard drive?

  - by Glister

  We have a small "homemade" server running fully updated Debian Wheezy (amd64). One hard drive installed: WDC WD6400AAKS. The motherboard is ASUS M4N68T V2. The usual load: CPU: an average of 20% Each week about 50GB of additional space is occupied. About 47GB of uploaded files and 3GB of MySQL data. I'm afraid that the hard drive may be about to fail. I saw Pre-fail on few places when I ran: root@SERVER:/tmp# smartctl -a /dev/sda smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-4-amd64] (local build) Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: Western Digital Caviar Blue Serial ATA Device Model: WDC WD6400AAKS-XXXXXXX Serial Number: WD-XXXXXXXXXXXXXXXXXXX LU WWN Device Id: 5 0014ee XXXXXXXXXXXXX Firmware Version: 01.03B01 User Capacity: 640,135,028,736 bytes [640 GB] Sector Size: 512 bytes logical/physical Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Mon Oct 28 18:55:27 2013 UTC SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x85) Offline data collection activity was aborted by an interrupting command from host. Auto Offline Data Collection: Enabled. Self-test execution status: ( 247) Self-test routine in progress... 70% of test remaining. Total time to complete Offline data collection: (11580) seconds. Offline data collection capabilities: (0x7b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 136) minutes. Conveyance self-test routine recommended polling time: ( 5) minutes. SCT capabilities: (0x303f) SCT Status supported. SCT Error Recovery Control supported. SCT Feature Control supported. SCT Data Table supported. SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 157 146 021 Pre-fail Always - 5108 4 Start_Stop_Count 0x0032 098 098 000 Old_age Always - 2968 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 051 Old_age Always - 0 9 Power_On_Hours 0x0032 079 079 000 Old_age Always - 15445 10 Spin_Retry_Count 0x0032 100 100 051 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 051 Old_age Always - 0 12 Power_Cycle_Count 0x0032 098 098 000 Old_age Always - 2950 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 426 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 2968 194 Temperature_Celsius 0x0022 111 095 000 Old_age Always - 36 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 160 000 Old_age Always - 21716 200 Multi_Zone_Error_Rate 0x0008 200 200 051 Old_age Offline - 0 SMART Error Log Version: 1 No Errors Logged SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 15444 - Error SMART Read Selective Self-Test Log failed: scsi error aborted command Smartctl: SMART Selective Self Test Log Read Failed root@SERVER:/tmp# In one tutorial I read that the pre-fail is a an indication of coming failure, in another tutorial I read that it is not true. Can you guys help me decode the output of smartctl? It would be also nice to share suggestions what should I do if I want to ensure data integrity (about 50GB of new data each week, up to 2TB for the whole period I'm interested in). Maybe I will go with 2x2TB Caviar Black in RAID4?

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• Mac OS X 10.8 VPN Server: Bypass VPN for LAN traffic (routing LAN traffic to secondary connection)

  - by Dan Robson

  I have somewhat of an odd setup for a VPN server with OS X Mountain Lion. It's essentially being used as a bridge to bypass my company's firewall to our extranet connection - certain things our team needs to do require unfettered access to the outside, and changing IT policies to allow traffic through the main firewall is just not an option. The extranet connection is provided through a Wireless-N router (let's call it Wi-Fi X). My Mac Mini server is configured with the connection to this router as the primary connection, thus unfettered access to the internet via the router. Connections to this device on the immediate subnet are possible through the LAN port, but outside the subnet things are less reliable. I was able to configure the VPN server to provide IP addresses to clients in the 192.168.11.150-192.168.11.200 range using both PPTP and L2TP, and I'm able to connect to the extranet through the VPN using the standard Mac OS X VPN client in System Preferences, however unsurprisingly, a local address (let's call it internal.company.com) returns nothing. I tried to bypass the limitation of the VPN Server by setting up Routes in the VPN settings. Our company uses 13.x.x.x for all internal traffic, instead of 10.x.x.x, so the routing table looked something like this: IP Address ---------- Subnet Mask ---------- Configuration 0.0.0.0 248.0.0.0 Private 8.0.0.0 252.0.0.0 Private 12.0.0.0 255.0.0.0 Private 13.0.0.0 255.0.0.0 Public 14.0.0.0 254.0.0.0 Private 16.0.0.0 240.0.0.0 Private 32.0.0.0 224.0.0.0 Private 64.0.0.0 192.0.0.0 Private 128.0.0.0 128.0.0.0 Private I was under the impression that if nothing was entered here, all traffic was routed through the VPN. With something entered, only traffic specifically marked to go through the VPN would go through the VPN, and all other traffic would be up to the client to access using its own default connection. This is why I had to specifically mark every subnet except 13.x.x.x as Private. My suspicion is that since I can't reach the VPN server from outside the local subnet, it's not making a connection to the main DNS server and thus can't be reached on the larger network. I'm thinking that entering hostnames like internal.company.com aren't kicked back to the client to resolve, because the server has no idea that the IP address falls in the public range, since I suspect (probably should ping test it but don't have access to it right now) that it can't reach the DNS server to find out anything about that hostname. It seems to me that all my options for resolving this all boil down to the same type of solution: Figure out how to reach the DNS with the secondary connection on the server. I'm thinking that if I'm able to do [something] to get my server to recognize that it should also check my local gateway (let's say Server IP == 13.100.100.50 and Gateway IP == 13.100.100.1). From there Gateway IP can tell me to go find DNS Server at 13.1.1.1 and give me information about my internal network. I'm very confused about this path -- really not sure if I'm even making sense. I thought about trying to do this client side, but that doesn't make sense either, since that would add time to each and every client side setup. Plus, it just seems more logical to solve it on the server - I could either get rid of my routing table altogether or keep it - I think the only difference would be that internal traffic would also go through the server - probably an unnecessary burden on it. Any help out there? Or am I in over my head? Forward proxy or transparent proxy is also an option for me, although I have no idea how to set either of those up. (I know, Google is my friend.)

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• wireless internet in linux is very very slow... but in windows.... everythnings fine

  - by Cody Acer

  yesterday when i was connecting to our neighbors wifi connection which is the signal strength is below 50%, i cant browse anything... even ping to gateway. 100% packet loss, and sometimes.. i can connect awesomely i can open my facebook account for 15 minutes but after 15min.. connection is extremely slow. but not windows i can surf even the signal str is very poor weird ey??.. root@Emely:~# lspci -knn 00:00.0 Host bridge [0600]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx DMI Bridge [8086:a010] Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller [0300]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller [8086:a011] Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: i915 Kernel modules: i915 00:02.1 Display controller [0380]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller [8086:a012] Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] 00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition Audio Controller [8086:27d8] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1 [8086:27d0] (rev 02) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.1 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 2 [8086:27d2] (rev 02) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.2 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 3 [8086:27d4] (rev 02) Kernel driver in use: pcieport Kernel modules: shpchp 00:1c.3 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 4 [8086:27d6] (rev 02) Kernel driver in use: pcieport Kernel modules: shpchp 00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: uhci_hcd 00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 [8086:27c9] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: uhci_hcd 00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 [8086:27ca] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: uhci_hcd 00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 [8086:27cb] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: uhci_hcd 00:1d.7 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller [8086:27cc] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: ehci-pci 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e2) 00:1f.0 ISA bridge [0601]: Intel Corporation NM10 Family LPC Controller [8086:27bc] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: lpc_ich Kernel modules: lpc_ich 00:1f.2 SATA controller [0106]: Intel Corporation NM10/ICH7 Family SATA Controller [AHCI mode] [8086:27c1] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: ahci Kernel modules: ahci 00:1f.3 SMBus [0c05]: Intel Corporation NM10/ICH7 Family SMBus Controller [8086:27da] (rev 02) Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel modules: i2c-i801 05:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01) Subsystem: Wistron NeWeb Corp. Device [185f:051a] Kernel driver in use: bcma-pci-bridge Kernel modules: bcma 09:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller [11ab:4354] Subsystem: Samsung Electronics Co Ltd Notebook N150P [144d:c072] Kernel driver in use: sky2 Kernel modules: sky2 root@Emely:~# ip addr show 1: lo: mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether e8:11:32:2e:a6:fd brd ff:ff:ff:ff:ff:ff 3: wlan0: mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:1b:b1:a9:ac:e0 brd ff:ff:ff:ff:ff:ff inet 192.168.1.108/24 brd 192.168.1.255 scope global wlan0 inet6 fe80::21b:b1ff:fea9:ace0/64 scope link valid_lft forever preferred_lft forever root@Emely:~# ip link show 1: lo: mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether e8:11:32:2e:a6:fd brd ff:ff:ff:ff:ff:ff 3: wlan0: mtu 1500 qdisc mq state UP qlen 1000 link/ether 00:1b:b1:a9:ac:e0 brd ff:ff:ff:ff:ff:ff root@Emely:~# rfkill list all 0: samsung-wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: samsung-bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: no Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no is this a wireless driver issue?

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• Troubleshooting High Load on Plesk LAMP Dedicated Server

  - by Callmeed

  I have 2 nearly identical dedicated servers with the same provider. They also run a nearly identical software stack: RedHat 5 64-bit, Plesk, PHP, Apache, & MySQL. We use them for hosting custom sites we build. The problem is, while our 1st server has a load average (in top) of around 0.3, the 2nd server consistently has a load average of around 4.0 or higher. Basic functions in Plesk are delayed and there is a bit of latency when executing shell commands. Anyone have ideas why it would be so high? And why it would differ from our other server so much? Here is my current top output (sorted by %MEM) ... Any help is much appreciated ... top - 21:48:04 up 100 days, 4:28, 1 user, load average: 3.74, 4.20, 4.23 Tasks: 336 total, 1 running, 335 sleeping, 0 stopped, 0 zombie Cpu(s): 0.8%us, 0.4%sy, 0.0%ni, 91.3%id, 7.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 12290884k total, 11886452k used, 404432k free, 2920212k buffers Swap: 2096472k total, 244k used, 2096228k free, 6560692k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22536 apache 15 0 860m 547m 6484 S 0.0 4.6 0:10.96 httpd 26467 apache 15 0 859m 546m 6408 S 0.0 4.5 0:07.67 httpd 3620 apache 15 0 859m 545m 5552 S 0.0 4.5 0:06.15 httpd 1895 apache 15 0 858m 544m 6356 S 0.0 4.5 0:08.25 httpd 16933 apache 15 0 858m 544m 5488 S 0.0 4.5 0:01.57 httpd 6431 apache 15 0 856m 542m 6076 S 10.6 4.5 0:05.32 httpd 14417 apache 15 0 856m 542m 5568 S 0.0 4.5 0:03.88 httpd 15403 apache 15 0 855m 541m 5616 S 0.0 4.5 0:03.73 httpd 19165 apache 15 0 853m 539m 6252 S 0.0 4.5 0:12.40 httpd 15898 apache 15 0 852m 539m 5376 S 0.0 4.5 0:02.68 httpd 14401 apache 15 0 851m 538m 5460 S 0.0 4.5 0:02.97 httpd 15393 apache 15 0 851m 538m 5404 S 0.0 4.5 0:03.12 httpd 15427 apache 15 0 851m 538m 5496 S 0.0 4.5 0:02.44 httpd 14412 apache 15 0 851m 538m 5324 S 0.0 4.5 0:02.15 httpd 18330 apache 15 0 851m 537m 5136 S 0.0 4.5 0:01.30 httpd 18303 apache 15 0 848m 535m 5140 S 0.0 4.5 0:00.47 httpd 21190 apache 15 0 845m 533m 3988 S 0.0 4.4 0:00.33 httpd 15923 root 18 0 822m 521m 9928 S 0.0 4.3 10:04.81 httpd 22021 apache 15 0 828m 520m 4964 S 0.0 4.3 0:00.16 httpd 22146 apache 15 0 823m 515m 3016 S 0.0 4.3 0:00.02 httpd 22345 apache 15 0 822m 514m 2408 S 0.0 4.3 0:00.00 httpd 14721 apache 15 0 733m 510m 488 S 0.0 4.3 0:00.00 httpd 5094 root 15 0 1452m 122m 15m S 1.0 1.0 852:24.24 java 4636 mysql 15 0 532m 57m 6440 S 1.0 0.5 488:05.84 mysqld 4799 popuser 15 0 166m 53m 2368 S 0.0 0.4 0:36.64 spamd 16761 popuser 15 0 159m 46m 2312 S 0.0 0.4 0:00.38 spamd 4797 root 15 0 158m 45m 2448 S 0.0 0.4 0:01.27 spamd 5074 root 34 19 255m 20m 2144 S 0.0 0.2 1:37.53 yum-updatesd 9917 named 15 0 366m 9804 1980 S 0.0 0.1 0:10.26 named 4332 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.06 sw-engine-cgi 4341 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.07 sw-engine-cgi 4350 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.09 sw-engine-cgi 4352 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.11 sw-engine-cgi 4376 ntp 15 0 23388 5020 3896 S 0.0 0.0 0:00.58 ntpd 4331 sw-cp-se 15 0 61336 4572 1480 S 0.0 0.0 5:53.22 sw-cp-serverd 4213 haldaemo 15 0 31252 4460 1684 S 0.0 0.0 0:01.52 hald 4778 postgres 18 0 117m 4164 3484 S 0.0 0.0 0:00.11 postmaster 18555 root 16 0 98.3m 3716 2852 S 0.0 0.0 0:00.01 sshd 4488 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4489 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4492 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4493 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4490 sso 18 0 119m 3040 220 S 0.0 0.0 0:00.00 sw-engine-cgi

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• Auth-Type :- Reject in RADIUS users file matches inner tunnel request but sends Access-Accept

  - by mgorven

  I have WPA2 802.11x EAP authentication setup using FreeRADIUS 2.1.8 on Ubuntu 10.04.4 talking to OpenLDAP, and can successfully authenticate using PEAP/MSCHAPv2, TTLS/MSCHAPv2 and TTLS/PAP (both via the AP and using eapol_test). I am now trying to restrict access to specific SSIDs based on the LDAP groups which the user belongs to. I have configured group membership checking in /etc/freeradius/modules/ldap like so: groupname_attribute = cn groupmembership_filter = "(|(&(objectClass=posixGroup)(memberUid=%{User-Name}))(&(objectClass=posixGroup)(uniquemember=%{User-Name})))" and I have configured extraction of the SSID from Called-Station-Id into Called-Station-SSID based on the Mac Auth wiki page. In /etc/freeradius/eap.conf I have enabled copying attributes from the outer tunnel into the inner tunnel, and usage of the inner tunnel response in the outer tunnel (for both PEAP and TTLS). I had the same behaviour before changing these options however. copy_request_to_tunnel = yes use_tunneled_reply = yes I'm running eapol_test like this to test the setup: eapol_test -c peap-mschapv2.conf -a 172.16.0.16 -s testing123 -N 30:s:01-23-45-67-89-01:Example-EAP with the following peap-mschapv2.conf file: network={ ssid="Example-EAP" key_mgmt=WPA-EAP eap=PEAP identity="mgorven" anonymous_identity="anonymous" password="foobar" phase2="autheap=MSCHAPV2" } With the following in /etc/freeradius/users: DEFAULT Ldap-Group == "employees" and running freeradius-Xx, I can see that the LDAP group retrieval works, and that the SSID is extracted. Debug: [ldap] performing search in dc=example,dc=com, with filter (&(cn=employees)(|(&(objectClass=posixGroup)(memberUid=mgorven))(&(objectClass=posixGroup)(uniquemember=mgorven)))) Debug: rlm_ldap::ldap_groupcmp: User found in group employees ... Info: expand: %{7} -> Example-EAP Next I try to only allow access to users in the employees group (regardless of SSID), so I put the following in /etc/freeradius/users: DEFAULT Ldap-Group == "employees" DEFAULT Auth-Type := Reject But this immediately rejects the Access-Request in the outer tunnel because the anonymous user is not in the employees group. So I modify it to only match inner tunnel requests like so: DEFAULT Ldap-Group == "employees" DEFAULT FreeRADIUS-Proxied-To == "127.0.0.1" Auth-Type := Reject, Reply-Message = "User does not belong to any groups which may access this SSID." Now users which are in the employees group are authenticated, but so are users which are not in the employees group. I see the reject entry being matched, and the Reply-Message is set, but the client receives an Access-Accept. Debug: rlm_ldap::ldap_groupcmp: Group employees not found or user is not a member. Info: [files] users: Matched entry DEFAULT at line 209 Info: ++[files] returns ok ... Auth: Login OK: [mgorven] (from client test port 0 cli 02-00-00-00-00-01 via TLS tunnel) Info: WARNING: Empty section. Using default return values. ... Info: [peap] Got tunneled reply code 2 Auth-Type := Reject Reply-Message = "User does not belong to any groups which may access this SSID." ... Info: [peap] Got tunneled reply RADIUS code 2 Auth-Type := Reject Reply-Message = "User does not belong to any groups which may access this SSID." ... Info: [peap] Tunneled authentication was successful. Info: [peap] SUCCESS Info: [peap] Saving tunneled attributes for later ... Sending Access-Accept of id 11 to 172.16.2.44 port 60746 Reply-Message = "User does not belong to any groups which may access this SSID." User-Name = "mgorven" and eapol_test reports: RADIUS message: code=2 (Access-Accept) identifier=11 length=233 Attribute 18 (Reply-Message) length=64 Value: 'User does not belong to any groups which may access this SSID.' Attribute 1 (User-Name) length=9 Value: 'mgorven' ... SUCCESS Why isn't the request being rejected, and is this the right way to implement this?

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• Puppet gives SSL error because master is not running?

  - by Daniel Huger

  I started with two clean machines this time. My master is running 12.04 Version: 2.7.11-1ubuntu2 Depends: ruby1.8, puppetmaster-common (= 2.7.11-1ubuntu2) My client is 10.04 Version: 2.6.3-0ubuntu1~lucid1 Depends: puppet-common (= 2.6.3-0ubuntu1~lucid1), ruby1.8 To setup Puppet tutorial: http://shapeshed.com/setting-up-puppet-on-ubuntu-10-04/ To connect master and client: http://shapeshed.com/connecting-clients-to-a-puppet-master/ The first time I tried to connect master to client failed with SSL_connect error. So I did rm -rf /etc/puppet/ssl/ to remove all the keys inside ssl folders. It looked like it work.... BUT client# puppet agent --server puppet --waitforce 60 --test /usr/lib/ruby/1.8/facter/util/resolution.rb:46: warning: Insecure world writable dir /etc/condor in PATH, mode 040777 /usr/lib/ruby/1.8/puppet/defaults.rb:67: warning: Insecure world writable dir /etc/condor in PATH, mode 040777 info: Creating a new SSL key for giab10 warning: peer certificate won't be verified in this SSL session info: Caching certificate for ca warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session info: Creating a new SSL certificate request for mybox123 info: Certificate Request fingerprint (md5): XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session warning: peer certificate won't be verified in this SSL session info: Caching certificate for mybox123 err: Could not retrieve catalog from remote server: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed warning: Not using cache on failed catalog It cached but then it couldn't retrieve it. Let me stop here.... worrying I would mess something up. But let's check master's status. * master is not running WoW.... ??? master# service puppetmaster start * Starting puppet master [OK] master# service puppetmaster status * master is not running I think time is sync. Well, we are behind a firewall so the port to sync time is disbaled. I checked with date and they seem okay. What about master not running? Is that the cause? Any help is appreciated. Thanks! /var/lib/puppet/log/masterhttp.log [2012-06-30 00:13:25] INFO WEBrick 1.3.1 [2012-06-30 00:13:25] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:13:25] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 00:19:40] INFO WEBrick 1.3.1 [2012-06-30 00:19:40] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:19:40] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 00:28:58] INFO WEBrick 1.3.1 [2012-06-30 00:28:58] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 00:28:58] WARN TCPServer Error: Address already in use - bind(2) [2012-06-30 15:31:25] INFO WEBrick 1.3.1 [2012-06-30 15:31:25] INFO ruby 1.8.7 (2011-06-30) [x86_64-linux] [2012-06-30 15:31:25] WARN TCPServer Error: Address already in use - bind(2) 1 S puppet 5186 1 0 80 0 - 29410 poll_s 15:44 ? 00:00:00 /usr/bin/ruby1.8 /usr/bin/puppet master --masterport=8140 4 S root 5235 5005 0 80 0 - 2344 pipe_w 15:45 pts/0 00:00:00 grep --color=auto puppet kill -9 5186 puppet master service puppetmaster status * master is not running I always have this error, but I always ignored it. http://pastebin.com/exbpArjv What could it mean? Time sync? Package not installed? Then how could we do puppetca in the first place?

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• Why is the DNS on my Windows Server 2012 not authoritative according to dig?

  - by tetranz

  This is me trying to understand something rather than a real problem. I have a new Windows Server 2012 Essentials. That server provides, DNS, DHCP etc. Lets say my Windows domain is my-windows-domain and the server's host name is my-server. The domain's DNS zone is my-windows-domain.local. The server's IP address is 192.168.1.5. This is what I get if I go to a Linux machine on our LAN and do dig my-server.my-windows-domain @192.168.1.5 ; <<>> DiG 9.9.5-3-Ubuntu <<>> my-server.my-windows-domain.local @192.168.1.5 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6003 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4000 ;; QUESTION SECTION: ;my-server.my-windows-domain.local. IN A ;; ANSWER SECTION: my-server.my-windows-domain.local. 3600 IN A 192.168.1.5 ;; Query time: 0 msec ;; SERVER: 192.168.1.5#53(192.168.1.5) ;; WHEN: Wed Jun 11 10:44:28 EDT 2014 ;; MSG SIZE rcvd: 73 I think that all looks okay except why is it AUTHORITY: 0 ? Shouldn't this be the authority for the my-windows-server.local domain? dig soa my-windows-domain.local comes back with: ; <<>> DiG 9.9.5-3-Ubuntu <<>> soa my-windows-domain.local ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29822 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4000 ;; QUESTION SECTION: ;my-windows-domain.local. IN SOA ;; ANSWER SECTION: my-windows-domain.local. 3600 IN SOA my-server.my-windows-domain.local. hostmaster.my-windows-domain.local. 101 900 600 86400 3600 ;; ADDITIONAL SECTION: my-server.my-windows-domain.local. 3600 IN A 192.168.1.5 ;; Query time: 1 msec ;; SERVER: 192.168.1.5#53(192.168.1.5) ;; WHEN: Wed Jun 11 10:51:17 EDT 2014 ;; MSG SIZE rcvd: 120 I know about the recommendation to not use .local but there was no other option when I installed the server, just following the wizards.

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• arp -n responds with (incomplete) on the wrong subnet, can't remove it

  - by Hannes

  context There are 2 servers: server1 - eth0 10.129.76.16 eth0.2 192.168.0.103 server2 - eth0 10.129.79.1 eth0.2 192.168.62.101 The 192.x.x.x addresses are connected to the same vlan (vlan2) and are able to see eachother. The 10.x.x.x addresses are connected to different vlan's which are not able to see eachother. on request of David Swartz: the routing table on server 1 is: ~$ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.129.76.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.192.0 U 0 0 0 eth0.2 0.0.0.0 192.168.61.254 0.0.0.0 UG 100 0 0 eth0.2 the routing table on server 2 is: ~$ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 <public IP gw> 0.0.0.0 UG 100 0 0 eth0.11 10.129.79.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 <public IP> 0.0.0.0 255.255.255.128 U 0 0 0 eth0.11 192.168.0.0 0.0.0.0 255.255.192.0 U 0 0 0 eth0.2 Problem: When I ping from server 1 to server 2, it seems no packets are arriving and vice versa. When I check the routes (route -n) I see the default gw uses eth0.2 on both servers. But when I use arping, I get a response one way (from server 2 to server 1) but no response vice versa. arping 192.168.62.101 ARPING 192.168.62.101 from 10.129.76.16 eth0 ^CSent 2 probes (2 broadcast(s)) Received 0 response(s) As you can see it uses the 10.x.x.x address instead of the 192.x.x.x. And as I told before, the 10.x.x.x address is unreachable from the other server. When I force arping to use eth0.2, it does work. I don't have any problems with ping'ing other servers from any of those 2 servers. I did see this in the arp tables: ~# arp -n | grep 192.168.0.103 192.168.0.103 (incomplete) eth0 and ~# arp -n | grep 192.168.62.101 Question quite obvious... How can I make these servers see each other again? Things I've tied clear the apropriate entries in the arptable and tried to get rid of the (incomplete) But I think the biggest problem is that eth0 is used instead of eth0.2 for the packets from server 1 to server 2 Because of David Swartz' remark about the routing tables, I added a route in there defining the host. I added 192.168.0.103 0.0.0.0 255.255.255.255 UH 0 0 0 eth0.2 and 192.168.62.101 0.0.0.0 255.255.255.255 UH 0 0 0 eth0.2 to the appropriate servers but this didn't solve the problem so I presume the problem is not in the routing. My guess I guess the problem lies in the following. ~$ arp -n | grep 192.168.0.103 192.168.0.103 (incomplete) eth0 but I'm unable to remove this entry. (arp -d 192.168.0.103 has no effect) Thanks for reading and even more thanks for answering!

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• Choice of an OS for a home ZFS NAS

  - by OlafM

  I am preparing a home NAS with an old Athlon 64 X2 3800+, 4 GB ECC RAM, Asus M2V MX motherboard, and a single 3 TB WDC Green (another one as mirror may be installed in the future). It's the cheapest solution I found that includes ECC memory and the higher energy consumption is offset by the lower (zero) cost of acquisition. The system will be used for: music storage and stream to other desktop computers; storage of the scanned dia slides (3-4k slides, 180 MB TIFF each one plus reduced quality JPEG version); stream of these photos to a local iPad 2 (maybe Plex App? not yet sure); (one additional) remote backup via rsync/ssh or ZFS send/receive. It will be controlled via remote ssh, maybe VNC, no monitor attached. Absolute requirement is a reliable ZFS solution, plus the ability to easily install packets/software/virtual machines and to update remotely (I will be the admin and I don't live near the NAS). I have mainly three options: NAS4free/FreeNAS OpenIndiana Solaris Express 11 (yeah yeah I know the license requirements, I will write a perl script on it to count it as development machine). Problems: NAS4free/FreeNAS (I tested only NAS4free) required embedded installation for remote upgrading, but full install for easy addition of software packets. Since I need at least AirVideo Server (linux/win) and Plex App (win/linux) to stream the photos and some videos to iPad (they both require virtualbox), but I cannot be there to install updates, NAS4free/FreeNAS are excluded. http://www.nas4free.org/general_information.html explains the issue: embedded can be remotely updated, full cannot. Solaris has also another advantage: Crashplan client supports Solaris and I'm already using it for other backups. I would like to leave the option open, even if I will be doing backups probably through zfs send/receive. NexentaStor was left out because zfs send/receive are not included in the free version. The question is now Solaris 11 Express over OpenIndiana. To ease the management, I will be using http://www.napp-it.org Which one would you suggest and why? I found lots of informations and it's difficult for me to decide. I think (from the napp-it manual) that Solaris has some additional options for SMB shares, but are they really needed at home? I think I won't even use ACLs, since normal unix-style permissions are enough. OpenIndiana has maybe more frequent updates (Solaris offers only security updates between releases), but again, do I need them? I don't think so. Moreover, this is a NAS that has to work and nothing else, I cannot risk having problems that require me to access the server. Isn't OpenIndiana a bit more... cutting edge (in the Solaris world)? I'm just asking, no need to focus on this for the answer :-) I would limit myself to these two options (SE11.1/OI) also because I will be making a NAS for me in the future (where high performances with Mac shares are also required) and Solaris has kernel support for AFP. I will use this server to gather experience as well. After this long question, thanks in advance! If you need additional info, let me know and I will update this post.

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• FFMPEG dropping frames while encoding JPEG sequence at color change

  - by Matt

  I'm trying to put together a slide show using imagemagick and FFMPEG. I use imagemagick to expand a single photo into 30fps video (imagemagick also handles things like putting some text captions on the frames along the way). When I go to let ffmpeg digest it into a video it clips along nicely on the color parts of the video, but when it gets to a black and white section it reports "frame= 2030 fps=102 q=32766.0 Lsize= 5203kB time=00:01:07.60 bitrate= 630.5kbits/s dup=0 drop=703" and drops every frame of video until it hits something with color. As you can imagine this results in entire photos being removed from the slideshow. Here is my latest dump... ffmpeg -y -r 30 -i "teststream/%06d.jpg" -c:v libx264 -r 30 newffmpeg.mp4 ffmpeg version git-2012-12-10-c3bb333 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 10 2012 22:02:04 with gcc 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libx264 --enable-nonfree --enable-version3 libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 79.101 / 54. 79.101 libavformat 54. 49.100 / 54. 49.100 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 26.101 / 3. 26.101 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 Input #0, image2, from 'teststream/%06d.jpg': Duration: 00:12:02.80, start: 0.000000, bitrate: N/A Stream #0:0: Video: mjpeg, yuvj444p, 720x480 [SAR 72:72 DAR 3:2], 25 fps, 25 tbr, 25 tbn, 25 tbc [libx264 @ 0x3450140] using SAR=1/1 [libx264 @ 0x3450140] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 [libx264 @ 0x3450140] profile High, level 3.0 [libx264 @ 0x3450140] 264 - core 129 r2 1cffe9f - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, mp4, to 'newffmpeg.mp4': Metadata: encoder : Lavf54.49.100 Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 720x480 [SAR 1:1 DAR 3:2], q=-1--1, 15360 tbn, 30 tbc Stream mapping: Stream #0:0 - #0:0 (mjpeg - libx264) Press [q] to stop, [?] for help Input stream #0:0 frame changed from size:720x480 fmt:yuvj444p to size:720x480 fmt:yuvj422p Input stream #0:0 frame changed from size:720x480 fmt:yuvj422p to size:720x480 fmt:yuvj444pp=584 frame= 2030 fps=102 q=32766.0 Lsize= 5203kB time=00:01:07.60 bitrate= 630.5kbits/s dup=0 drop=703 video:5179kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.472425% [libx264 @ 0x3450140] frame I:9 Avg QP:20.10 size: 33933 [libx264 @ 0x3450140] frame P:636 Avg QP:24.12 size: 6737 [libx264 @ 0x3450140] frame B:1385 Avg QP:27.04 size: 514 [libx264 @ 0x3450140] consecutive B-frames: 2.5% 15.2% 13.2% 69.2% [libx264 @ 0x3450140] mb I I16..4: 8.3% 80.3% 11.5% [libx264 @ 0x3450140] mb P I16..4: 1.5% 2.5% 0.2% P16..4: 41.7% 18.0% 10.3% 0.0% 0.0% skip:25.9% [libx264 @ 0x3450140] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 26.6% 0.6% 0.1% direct: 0.2% skip:72.3% L0:35.0% L1:60.3% BI: 4.7% [libx264 @ 0x3450140] 8x8 transform intra:64.1% inter:75.1% [libx264 @ 0x3450140] coded y,uvDC,uvAC intra: 51.6% 78.0% 43.7% inter: 10.6% 14.9% 2.1% [libx264 @ 0x3450140] i16 v,h,dc,p: 29% 19% 6% 46% [libx264 @ 0x3450140] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 15% 17% 5% 9% 10% 7% 8% 6% [libx264 @ 0x3450140] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 18% 11% 5% 9% 10% 6% 6% 4% [libx264 @ 0x3450140] i8c dc,h,v,p: 46% 18% 24% 12% [libx264 @ 0x3450140] Weighted P-Frames: Y:20.1% UV:18.7% [libx264 @ 0x3450140] ref P L0: 59.2% 23.2% 13.1% 4.3% 0.2% [libx264 @ 0x3450140] ref B L0: 88.7% 8.3% 3.0% [libx264 @ 0x3450140] ref B L1: 95.0% 5.0% [libx264 @ 0x3450140] kb/s:626.88 Received signal 2: terminating. One last note: If I remove the -r 30 from the input and output it works flawlessly. I have no idea why the -r 30 is causing it to freak out.

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• MySQL reserves too much RAM

  - by Buddy

  I have a cheap VPS with 128Mb RAM and 256Mb burst. MySQL starts and reserves about 110Mb, but uses not more than 20Mb of them. My VPS Control Panel shows, that I use 127Mb (I also running nginx and sphinx), I know, that it shows reserved RAM, but when I reach over 128Mb, my VPS reboots automatically every 4 hours. So I want to force MySQL to reserve less RAM. How can i do that? I did some tweaks with my.conf but it helped not so much. top output: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 2156 668 572 S 0.0 0.3 0:00.03 init 11311 root 15 0 11212 356 228 S 0.0 0.1 0:00.00 vzctl 11312 root 18 0 3712 1484 1248 S 0.0 0.6 0:00.01 bash 11347 root 18 0 2284 916 732 R 0.0 0.3 0:00.00 top 13978 root 17 -4 2248 552 344 S 0.0 0.2 0:00.00 udevd 14262 root 15 0 1812 564 472 S 0.0 0.2 0:00.03 syslogd 14293 sphinx 15 0 11816 1172 672 S 0.0 0.4 0:00.07 searchd 14305 root 25 0 7192 1036 636 S 0.0 0.4 0:00.00 sshd 14321 root 25 0 2832 836 668 S 0.0 0.3 0:00.00 xinetd 15389 root 18 0 3708 1300 1132 S 0.0 0.5 0:00.00 mysqld_safe 15441 mysql 15 0 113m 16m 4440 S 0.0 6.4 0:00.15 mysqld 15489 root 21 0 13056 1456 340 S 0.0 0.6 0:00.00 nginx 15490 nginx 18 0 13328 2388 992 S 0.0 0.9 0:00.06 nginx 15507 nginx 25 0 19520 5888 4244 S 0.0 2.2 0:00.00 php-cgi 15508 nginx 18 0 19636 4876 2748 S 0.0 1.9 0:00.12 php-cgi 15509 nginx 15 0 19668 4872 2716 S 0.0 1.9 0:00.11 php-cgi 15518 root 18 0 4492 1116 568 S 0.0 0.4 0:00.01 crond MySQL tuner: >> MySQLTuner 1.0.1 - Major Hayden <[email protected]> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering Please enter your MySQL administrative login: root Please enter your MySQL administrative password: -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.0.77 [OK] Operating on 32-bit architecture with less than 2GB RAM -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in InnoDB tables: 1M (Tables: 1) [OK] Total fragmented tables: 0 -------- Performance Metrics ------------------------------------------------- [--] Up for: 38m 43s (37 q [0.016 qps], 20 conn, TX: 4M, RX: 3K) [--] Reads / Writes: 100% / 0% [--] Total buffers: 28.1M global + 832.0K per thread (100 max threads) [OK] Maximum possible memory usage: 109.4M (42% of installed RAM) [OK] Slow queries: 0% (0/37) [OK] Highest usage of available connections: 1% (1/100) [OK] Key buffer size / total MyISAM indexes: 128.0K/64.0K [OK] Query cache efficiency: 42.1% (8 cached / 19 selects) [OK] Query cache prunes per day: 0 [!!] Temporary tables created on disk: 27% (3 on disk / 11 total) [!!] Thread cache is disabled [OK] Table cache hit rate: 57% (8 open / 14 opened) [OK] Open file limit used: 1% (12/1K) [OK] Table locks acquired immediately: 100% (22 immediate / 22 locks) [!!] Connections aborted: 10% [OK] InnoDB data size / buffer pool: 1.5M/8.0M -------- Recommendations ----------------------------------------------------- General recommendations: MySQL started within last 24 hours - recommendations may be inaccurate Enable the slow query log to troubleshoot bad queries When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIMIT clauses Set thread_cache_size to 4 as a starting value Your applications are not closing MySQL connections properly Variables to adjust: tmp_table_size (> 32M) max_heap_table_size (> 16M) thread_cache_size (start at 4) I think if I do what MySQLtuner says, MySQL will use more RAM.

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• Choice of an OS for a home ZFS NAS

  - by OlafM

  I am preparing a home NAS with an old Athlon 64 X2 3800+, 4 GB ECC RAM, Asus M2V MX motherboard, and a single 3 TB WDC Green (another one as mirror may be installed in the future). It's the cheapest solution I found that includes ECC memory and the higher energy consumption is offset by the lower (zero) cost of acquisition. The system will be used for: music storage and stream to other desktop computers; storage of the scanned dia slides (3-4k slides, 180 MB TIFF each one plus reduced quality JPEG version); stream of these photos to a local iPad 2 (maybe Plex App? not yet sure); (one additional) remote backup via rsync/ssh or ZFS send/receive. It will be controlled via remote ssh, maybe VNC, no monitor attached. Absolute requirement is a reliable ZFS solution, plus the ability to easily install packets/software/virtual machines and to update remotely (I will be the admin and I don't live near the NAS). I have mainly three options: NAS4free/FreeNAS OpenIndiana Solaris Express 11 (yeah yeah I know the license requirements, I will write a perl script on it to count it as development machine). Problems: NAS4free/FreeNAS (I tested only NAS4free) required embedded installation for remote upgrading, but full install for easy addition of software packets. Since I need at least AirVideo Server (linux/win) and Plex App (win/linux) to stream the photos and some videos to iPad (they both require virtualbox), but I cannot be there to install updates, NAS4free/FreeNAS are excluded. http://www.nas4free.org/general_information.html explains the issue: embedded can be remotely updated, full cannot. Solaris has also another advantage: Crashplan client supports Solaris and I'm already using it for other backups. I would like to leave the option open, even if I will be doing backups probably through zfs send/receive. NexentaStor was left out because zfs send/receive are not included in the free version. The question is now Solaris 11 Express over OpenIndiana. To ease the management, I will be using http://www.napp-it.org Which one would you suggest and why? I found lots of informations and it's difficult for me to decide. I think (from the napp-it manual) that Solaris has some additional options for SMB shares, but are they really needed at home? I think I won't even use ACLs, since normal unix-style permissions are enough. OpenIndiana has maybe more frequent updates (Solaris offers only security updates between releases), but again, do I need them? I don't think so. Moreover, this is a NAS that has to work and nothing else, I cannot risk having problems that require me to access the server. Isn't OpenIndiana a bit more... cutting edge (in the Solaris world)? I'm just asking, no need to focus on this for the answer :-) I would limit myself to these two options (SE11.1/OI) also because I will be making a NAS for me in the future (where high performances with Mac shares are also required) and Solaris has kernel support for AFP. I will use this server to gather experience as well. After this long question, thanks in advance! If you need additional info, let me know and I will update this post. UPDATES Given the first answers, I will strongly suggest the person paying the hardware to insert a second HD. Better 2x2TB than 1x3TB (3 TB is oversized anyway). I was trying to keep the initial costs down to spread them over a longer period, but better having something good from the beginning.

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• Trying to prevent Windows from hibernating/sleeping automatically

  - by user328821

  My Dell XPS 8700 (Win 7) suddenly began putting itself to sleep at 6pm daily, even if I'm typing. I don't know what caused this to occur, except possibly a windows update that took place in the middle of the night. I initially went into settings for power and saw 2 plans set up, one from Dell and the other window's Power saver plan. I set both to never for sleep and hibernate yet it still occurred. I have current drivers and a fairly new UPS that has software to set to shutdown only after power loss. Dell is of little help, can anyone point me in the right direction? I did do the powerdfg -energy program and came up with this: Power Efficiency Diagnostics Report Scan Time 2014-05-08T19:21:48Z Scan Duration 60 seconds System Manufacturer Dell Inc. System Product Name XPS 8700 BIOS Date 08/23/2013 BIOS Version A04 OS Build 7601 Platform Role PlatformRoleDesktop Plugged In true Process Count 115 Thread Count 1631 Report GUID {097caf99-039b-44c3-b154-d797bfbfdfcc} Analysis Results Errors Power Policy:Sleep timeout is disabled (Plugged In) The computer is not configured to automatically sleep after a period of inactivity. System Availability Requests:System Required Request The device or driver has made a request to prevent the system from automatically entering sleep. Requesting Driver Instance HDAUDIO\FUNC_01&VEN_10EC&DEV_0899&SUBSYS_102805B7&REV_1000\4&220b1bbc&0&0001 Requesting Driver Device Realtek High Definition Audio CPU Utilization:Processor utilization is high The average processor utilization during the trace was high. The system will consume less power when the average processor utilization is very low. Review processor utilization for individual processes to determine which applications and services contribute the most to total processor utilization. Average Utilization (%) 9.48 Warnings Platform Timer Resolution:Platform Timer Resolution The default platform timer resolution is 15.6ms (15625000ns) and should be used whenever the system is idle. If the timer resolution is increased, processor power management technologies may not be effective. The timer resolution may be increased due to multimedia playback or graphical animations. Current Timer Resolution (100ns units) 10000 Maximum Timer Period (100ns units) 156001 Platform Timer Resolution:Outstanding Kernel Timer Request A kernel component or device driver has requested a timer resolution smaller than the platform maximum timer resolution. Requested Period 10000 Request Count 2 Platform Timer Resolution:Outstanding Timer Request A program or service has requested a timer resolution smaller than the platform maximum timer resolution. Requested Period 10000 Requesting Process ID 8672 Requesting Process Path \Device\HarddiskVolume3\Program Files (x86)\Mozilla Firefox\firefox.exe Platform Timer Resolution:Outstanding Timer Request A program or service has requested a timer resolution smaller than the platform maximum timer resolution. Requested Period 100000 Requesting Process ID 1212 Requesting Process Path \Device\HarddiskVolume3\Windows\System32\svchost.exe Power Policy:802.11 Radio Power Policy is Maximum Performance (Plugged In) The current power policy for 802.11-compatible wireless network adapters is not configured to use low-power modes. CPU Utilization:Individual process with significant processor utilization. This process is responsible for a significant portion of the total processor utilization recorded during the trace. Process Name audiodg.exe PID 1304 Average Utilization (%) 4.73 Module Average Module Utilization (%) \Device\HarddiskVolume3\Windows\System32\msvcrt.dll 1.88 \Device\HarddiskVolume3\Windows\System32\MaxxAudioAPO5064.dll 1.77 \Device\HarddiskVolume3\Windows\System32\AudioEng.dll 0.80 CPU Utilization:Individual process with significant processor utilization. This process is responsible for a significant portion of the total processor utilization recorded during the trace. Process Name thunderbird.exe PID 6036 Average Utilization (%) 0.35 Module Average Module Utilization (%) \Device\HarddiskVolume3\Program Files (x86)\Mozilla Thunderbird\xul.dll 0.16 \Device\HarddiskVolume3\Program Files (x86)\Mozilla Thunderbird\mozjs.dll 0.05 \SystemRoot\System32\win32k.sys 0.03 CPU Utilization:Individual process with significant processor utilization. This process is responsible for a significant portion of the total processor utilization recorded during the trace. Process Name dwm.exe PID 1340 Average Utilization (%) 0.25 Module Average Module Utilization (%) \Device\HarddiskVolume3\Windows\System32\dwmcore.dll 0.08 \Device\HarddiskVolume3\Windows\System32\nvwgf2umx.dll 0.05 \SystemRoot\system32\ntoskrnl.exe 0.03 CPU Utilization:Individual process with significant processor utilization. This process is responsible for a significant portion of the total processor utilization recorded during the trace.

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• Installing EclipseFP on Mac OS X

  - by Dom Kennedy

  I am trying to install EclipseFP. I'm running OS X Mavericks. I've tried following both the official installation instructions and the advice in this answer on SU, but I'm still having the same problem. I can get the plugin itself installed painlessly using Help -> Install New Software..., Bbut when I restart and switch to the Haskell perspective, things start to go wrong. The installation instructions tells me that I should receive a prompt to install BuildWrapper and Scion Browser. I do not receive this prompt. Furthermore, if I create a new Haskell project, my code has no syntax highlighting, and the Hoogle search feature does not appear to do anything. It's clear that the plugin is not set up correctly yet. I've tried running cabal update in Terminal, but this does not change anything. After several attempts going round in circles with this on Eclipse Juno, I uninstalled Eclispe and the Haskell Platform and performed a clean install of Eclipse Luna and the latest Haskell Platform. However, the problems are persisting. I've tried going into Preferences to see if I could sort any of this out manually. I should initially point out that my GHC installation seems to be correctly references under Preferences -> Haskell Implementations Under Haskell -> Helper executables, there are areas for configuring the options of both BuildWrapper and Scion Browser. At present, both are blank. I tried clicking the Install from Hackage... button beside each of them with no success; I receive an error message saying Expected executable <workspace>/.metadata/.plugins/net.sf.eclipsefp.haskell.ui/sandbox/.cabal-sandbox/bin/buildwrapper not found!` (replace buildwrapper for scion-browser and the message is the same) The Eclipse console displays the following exception after doing the above with BuildWrapper: src/Language/Haskell/BuildWrapper/GHCStorage.hs:313:32: Not in scope: data constructor ‘MatchGroup’ cabal.real: Error: some packages failed to install: buildwrapper-0.7.4 failed during the building phase. The exception was: ExitFailure 1 and after doing it for Scion-Browser: zip-archive-0.2.3.4 (reinstall) changes: text-1.1.0.0 -> 0.11.3.1 pandoc-1.12.3.3 (latest: 1.13) -http-conduit (new version) Graphalyze-0.14.1.0 (reinstall) changes: pandoc-1.12.4.2 -> 1.12.3.3, text-1.1.0.0 -> 0.11.3.1 cabal.real: The following packages are likely to be broken by the reinstalls: pandoc-1.12.4.2 unordered-containers-0.2.4.0 aeson-0.7.0.4 scientific-0.2.0.2 case-insensitive-1.1.0.3 HTTP-4000.2.10 Use --force-reinstalls if you want to install anyway. After receiving similar results as the above on previous attempts, I've tried using force-reinstalls and ended up at more dead ends. I am at a loss as to what is wrong and how to solve this. I should point out that my GHC installation appears to be correctly configured under Preferences -> Haskell -> Haskell Implementations. Apologies if any of this information is irrelevant, I'm just not really sure what is important and what isn't at this point. Any help anyone could provide me with would be greatly appreciated.

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• Informaton of pendriver with libudv on linux

  - by Catanzaro

  I'm doing a little app in C that read the driver information of my pendrive: Plugged it and typed dmesg: [ 7676.243994] scsi 7:0:0:0: Direct-Access Lexar USB Flash Drive 1100 PQ: 0 ANSI: 0 CCS [ 7676.248359] sd 7:0:0:0: Attached scsi generic sg2 type 0 [ 7676.256733] sd 7:0:0:0: [sdb] 7831552 512-byte logical blocks: (4.00 GB/3.73 GiB) [ 7676.266559] sd 7:0:0:0: [sdb] Write Protect is off [ 7676.266566] sd 7:0:0:0: [sdb] Mode Sense: 43 00 00 00 [ 7676.266569] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 7676.285373] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 7676.285383] sdb: sdb1 [ 7676.298661] sd 7:0:0:0: [sdb] Assuming drive cache: write through [ 7676.298667] sd 7:0:0:0: [sdb] Attached SCSI removable disk with "udevadm info -q all -n /dev/sdb" P: /devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1/1-1:1.0/host7/target7:0:0/7:0:0:0/block/sdb N: sdb W: 36 S: block/8:16 S: disk/by-id/usb-Lexar_USB_Flash_Drive_AA5OCYQII8PSQXBB-0:0 S: disk/by-path/pci-0000:02:03.0-usb-0:1:1.0-scsi-0:0:0:0 E: UDEV_LOG=3 E: DEVPATH=/devices/pci0000:00/0000:00:11.0/0000:02:03.0/usb1/1-1/1-1:1.0/host7/target7:0:0/7:0:0:0/block/sdb E: MAJOR=8 E: MINOR=16 E: DEVNAME=/dev/sdb E: DEVTYPE=disk E: SUBSYSTEM=block E: ID_VENDOR=Lexar E: ID_VENDOR_ENC=Lexar\x20\x20\x20 E: ID_VENDOR_ID=05dc E: ID_MODEL=USB_Flash_Drive E: ID_MODEL_ENC=USB\x20Flash\x20Drive\x20 E: ID_MODEL_ID=a813 E: ID_REVISION=1100 E: ID_SERIAL=Lexar_USB_Flash_Drive_AA5OCYQII8PSQXBB-0:0 E: ID_SERIAL_SHORT=AA5OCYQII8PSQXBB E: ID_TYPE=disk E: ID_INSTANCE=0:0 E: ID_BUS=usb E: ID_USB_INTERFACES=:080650: E: ID_USB_INTERFACE_NUM=00 E: ID_USB_DRIVER=usb-storage E: ID_PATH=pci-0000:02:03.0-usb-0:1:1.0-scsi-0:0:0:0 E: ID_PART_TABLE_TYPE=dos E: UDISKS_PRESENTATION_NOPOLICY=0 E: UDISKS_PARTITION_TABLE=1 E: UDISKS_PARTITION_TABLE_SCHEME=mbr E: UDISKS_PARTITION_TABLE_COUNT=1 E: DEVLINKS=/dev/block/8:16 /dev/disk/by-id/usb-Lexar_USB_Flash_Drive_AA5OCYQII8PSQXBB-0:0 /dev/disk/by-path/pci-0000:02:03.0-usb-0:1:1.0-scsi-0:0:0:0 and my software is: Codice: Seleziona tutto #include <stdio.h> #include <libudev.h> #include <stdlib.h> #include <locale.h> #include <unistd.h> int main(void) { struct udev_enumerate *enumerate; struct udev_list_entry *devices, *dev_list_entry; struct udev_device *dev; /* Create the udev object */ struct udev *udev = udev_new(); if (!udev) { printf("Can't create udev\n"); exit(0); } enumerate = udev_enumerate_new(udev); udev_enumerate_add_match_subsystem(enumerate, "scsi_generic"); udev_enumerate_scan_devices(enumerate); devices = udev_enumerate_get_list_entry(enumerate); udev_list_entry_foreach(dev_list_entry, devices) { const char *path; /* Get the filename of the /sys entry for the device and create a udev_device object (dev) representing it */ path = udev_list_entry_get_name(dev_list_entry); dev = udev_device_new_from_syspath(udev, path); /* usb_device_get_devnode() returns the path to the device node itself in /dev. */ printf("Device Node Path: %s\n", udev_device_get_devnode(dev)); /* The device pointed to by dev contains information about the hidraw device. In order to get information about the USB device, get the parent device with the subsystem/devtype pair of "usb"/"usb_device". This will be several levels up the tree, but the function will find it.*/ dev = udev_device_get_parent_with_subsystem_devtype( dev, "block", "disk"); if (!dev) { printf("Errore\n"); exit(1); } /* From here, we can call get_sysattr_value() for each file in the device's /sys entry. The strings passed into these functions (idProduct, idVendor, serial, etc.) correspond directly to the files in the directory which represents the USB device. Note that USB strings are Unicode, UCS2 encoded, but the strings returned from udev_device_get_sysattr_value() are UTF-8 encoded. */ printf(" VID/PID: %s %s\n", udev_device_get_sysattr_value(dev,"idVendor"), udev_device_get_sysattr_value(dev, "idProduct")); printf(" %s\n %s\n", udev_device_get_sysattr_value(dev,"manufacturer"), udev_device_get_sysattr_value(dev,"product")); printf(" serial: %s\n", udev_device_get_sysattr_value(dev, "serial")); udev_device_unref(dev); } /* Free the enumerator object */ udev_enumerate_unref(enumerate); udev_unref(udev); return 0; } the problem is that i obtain in output: Device Node Path: /dev/sg0 Errore and dont view information. subsystem and the devtype i think that are inserted well : "block" and "disk". thanks for help. Bye

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• How do bots access directories on a server that are not DocumentRoot of public IP address? How do I stop them?

  - by tmsimont

  I have a local network set up with apache2 and "named" running on OpenSuse 13.1 Linux. I used the "named" service to use my computer as a domain server. I set up my router to point to ask my computer for domain lookups, so I have a chance to have it rewrite a bunch of domains on my network to its own local IP, 192.168.0.111 This works great. I use virtual host configuration to allow various domains and subdomains (re-routed to the same IP via named) to pull up different directories in my computer. For example: <VirtualHost *:80> ServerName 192.168.0.111 ServerAlias fmb.wa.net DocumentRoot /home/work/wa.net/fmb </VirtualHost> <VirtualHost *:80> ServerName 192.168.0.111 ServerAlias postrecord.wa.net DocumentRoot /home/work/wa.net/postrecord </VirtualHost> <VirtualHost *:80> ServerName 192.168.0.111 ServerAlias cvalley.wa.net DocumentRoot /home/work/wa.net/cvalley_local </VirtualHost> This makes it possible for me to hit cvalley.wa.net from any device in my network and get the site that lives in /home/work/wa.net/cvalley_local I decided to forward port 80 to this computer, so I could share a few development sites with coworkers. I can't control which site they see with the same named service, because they'd have to use my computer as their domain name server... So I added a line like this: <VirtualHost *:80> ServerName 192.168.0.111 ServerAlias MY.IP.XXX.XX DocumentRoot /home/work/wa.net/cvalley </VirtualHost> Where "MY.IP.XXX.XX" is my public IP address. This works as expected, when you hit my IP address from a public network you see the site that lives in /home/work/wa.net/cvalley. The point of confusion that I have is that there are public IP addresses in my logs in other sites. I would have expected it to be impossible to access other sites in my network, unless the public user somehow figured out what I'm calling my ServerAliases, and is mimicing my domain set up... How can public traffic be hitting my other local sites? How can I recreate this kind of access? Here are some examples of public IP's hitting my VirtualHost sites: 162.253.66.76 - - [15/Aug/2014:19:20:47 -0600] "GET /xmlrpc.php HTTP/1.0" 404 1004 "-" "-" 162.253.66.74 - - [16/Aug/2014:10:50:28 -0600] "GET / HTTP/1.0" 200 262 "-" "masscan/1.0 (https://github.com/robertdavidgraham/masscan)" 185.4.227.194 - - [16/Aug/2014:11:16:45 -0600] "GET http://24x7-allrequestsallowed.com/?PHPSESSID=1rysxtj500143WQMVT%5E_NAZ%5BQ HTTP/1.1" 200 262 "-" "-" 101.226.254.138 - - [16/Aug/2014:13:32:14 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" 162.253.66.74 - - [16/Aug/2014:14:26:19 -0600] "GET / HTTP/1.0" 200 262 "-" "masscan/1.0 (https://github.com/robertdavidgraham/masscan)" 212.129.2.119 - - [16/Aug/2014:16:00:51 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" 91.240.163.111 - - [16/Aug/2014:18:34:32 -0600] "GET / HTTP/1.0" 200 262 "-" "masscan/1.0 (https://github.com/robertdavidgraham/masscan)" 162.253.66.74 - - [16/Aug/2014:19:02:53 -0600] "GET / HTTP/1.0" 200 262 "-" "masscan/1.0 (https://github.com/robertdavidgraham/masscan)" 122.226.223.69 - - [17/Aug/2014:05:53:09 -0600] "GET http://www.k2proxy.com//hello.html HTTP/1.1" 404 1006 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/6.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)" ::1 - - [17/Aug/2014:10:19:26 -0600] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.4.6 (Linux/SUSE) OpenSSL/1.0.1e PHP/5.4.20 (internal dummy connection)" 162.209.65.196 - - [17/Aug/2014:15:31:53 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" 111.206.199.163 - - [18/Aug/2014:11:12:56 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" 37.187.180.168 - - [18/Aug/2014:15:40:00 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" 62.210.38.226 - - [18/Aug/2014:18:35:16 -0600] "HEAD / HTTP/1.0" 200 - "-" "-" Is there anything that I can do to reliably deny public access by default, but allow it only in one VirtualHost?

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• Best HTPC solution that supports MKV

  - by wag2639

  So it seems like there are many solutions (Boxee, GoogleTV, AppleTV, XMBC, etc) out there for HTPC setups but I can't seem to find a good solution for playing MKV files and I would say the bulk of my video library is encoded in MKVs. Whats a good solution for an HTPC if I want the following: NAS / Samba support to use files from server or Windows share Preferably Linux based solution Cleanish UX Nice to have but not a requirement: - Android Remote App so I can control with my Android device

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• javafx tableview get selected data from ObservableList

  - by user3717821

  i am working on a javafx project and i need your help . while i am trying to get selected data from table i can get selected data from normal cell but can't get data from ObservableList inside tableview. code for my database: -- phpMyAdmin SQL Dump -- version 4.0.4 -- http://www.phpmyadmin.net -- -- Host: localhost -- Generation Time: Jun 10, 2014 at 06:20 AM -- Server version: 5.1.33-community -- PHP Version: 5.4.12 SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO"; SET time_zone = "+00:00"; /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; /*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; /*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; /*!40101 SET NAMES utf8 */; -- -- Database: `test` -- -- -------------------------------------------------------- -- -- Table structure for table `customer` -- CREATE TABLE IF NOT EXISTS `customer` ( `col0` int(11) NOT NULL, `col1` varchar(255) DEFAULT NULL, `col2` int(11) DEFAULT NULL, PRIMARY KEY (`col0`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1; -- -- Dumping data for table `customer` -- INSERT INTO `customer` (`col0`, `col1`, `col2`) VALUES (12, 'adasdasd', 231), (22, 'adasdasd', 231), (212, 'adasdasd', 231); /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; /*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */; my javafx codes: import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Map; import javafx.application.Application; import javafx.beans.property.SimpleStringProperty; import javafx.beans.value.ChangeListener; import javafx.beans.value.ObservableValue; import javafx.collections.FXCollections; import javafx.collections.ObservableList; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.TableCell; import javafx.scene.control.TableColumn; import javafx.scene.control.TableColumn.CellDataFeatures; import javafx.scene.control.TablePosition; import javafx.scene.control.TableView; import javafx.scene.control.TableView.TableViewSelectionModel; import javafx.scene.control.cell.ChoiceBoxTableCell; import javafx.scene.control.cell.TextFieldTableCell; import javafx.scene.layout.BorderPane; import javafx.stage.Stage; import javafx.util.Callback; import javafx.util.StringConverter; class DBConnector { private static Connection conn; private static String url = "jdbc:mysql://localhost/test"; private static String user = "root"; private static String pass = "root"; public static Connection connect() throws SQLException{ try{ Class.forName("com.mysql.jdbc.Driver").newInstance(); }catch(ClassNotFoundException cnfe){ System.err.println("Error: "+cnfe.getMessage()); }catch(InstantiationException ie){ System.err.println("Error: "+ie.getMessage()); }catch(IllegalAccessException iae){ System.err.println("Error: "+iae.getMessage()); } conn = DriverManager.getConnection(url,user,pass); return conn; } public static Connection getConnection() throws SQLException, ClassNotFoundException{ if(conn !=null && !conn.isClosed()) return conn; connect(); return conn; } } public class DynamicTable extends Application{ Object newValue; //TABLE VIEW AND DATA private ObservableList<ObservableList> data; private TableView<ObservableList> tableview; //MAIN EXECUTOR public static void main(String[] args) { launch(args); } //CONNECTION DATABASE public void buildData(){ tableview.setEditable(true); Callback<TableColumn<Map, String>, TableCell<Map, String>> cellFactoryForMap = new Callback<TableColumn<Map, String>, TableCell<Map, String>>() { @Override public TableCell call(TableColumn p) { return new TextFieldTableCell(new StringConverter() { @Override public String toString(Object t) { return t.toString(); } @Override public Object fromString(String string) { return string; } }); } }; Connection c ; data = FXCollections.observableArrayList(); try{ c = DBConnector.connect(); //SQL FOR SELECTING ALL OF CUSTOMER String SQL = "SELECT * from CUSTOMer"; //ResultSet ResultSet rs = c.createStatement().executeQuery(SQL); /********************************** * TABLE COLUMN ADDED DYNAMICALLY * **********************************/ for(int i=0 ; i<rs.getMetaData().getColumnCount(); i++){ //We are using non property style for making dynamic table final int j = i; TableColumn col = new TableColumn(rs.getMetaData().getColumnName(i+1)); if(j==1){ final ObservableList<String> logLevelList = FXCollections.observableArrayList("FATAL", "ERROR", "WARN", "INFO", "INOUT", "DEBUG"); col.setCellFactory(ChoiceBoxTableCell.forTableColumn(logLevelList)); tableview.getColumns().addAll(col); } else{ col.setCellValueFactory(new Callback<CellDataFeatures<ObservableList,String>,ObservableValue<String>>(){ public ObservableValue<String> call(CellDataFeatures<ObservableList, String> param) { return new SimpleStringProperty(param.getValue().get(j).toString()); } }); tableview.getColumns().addAll(col); } if(j!=1) col.setCellFactory(cellFactoryForMap); System.out.println("Column ["+i+"] "); } /******************************** * Data added to ObservableList * ********************************/ while(rs.next()){ //Iterate Row ObservableList<String> row = FXCollections.observableArrayList(); for(int i=1 ; i<=rs.getMetaData().getColumnCount(); i++){ //Iterate Column row.add(rs.getString(i)); } System.out.println("Row [1] added "+row ); data.add(row); } //FINALLY ADDED TO TableView tableview.setItems(data); }catch(Exception e){ e.printStackTrace(); System.out.println("Error on Building Data"); } } @Override public void start(Stage stage) throws Exception { //TableView Button showDataButton = new Button("Add"); showDataButton.setOnAction(new EventHandler<ActionEvent>() { public void handle(ActionEvent event) { ObservableList<String> row = FXCollections.observableArrayList(); for(int i=1 ; i<=3; i++){ //Iterate Column row.add("asdasd"); } data.add(row); //FINALLY ADDED TO TableView tableview.setItems(data); } }); tableview = new TableView(); buildData(); //Main Scene BorderPane root = new BorderPane(); root.setCenter(tableview); root.setBottom(showDataButton); Scene scene = new Scene(root,500,500); stage.setScene(scene); stage.show(); tableview.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() { @Override public void changed(ObservableValue observableValue, Object oldValue, Object newValue) { //Check whether item is selected and set value of selected item to Label if (tableview.getSelectionModel().getSelectedItem() != null) { TableViewSelectionModel selectionModel = tableview.getSelectionModel(); ObservableList selectedCells = selectionModel.getSelectedCells(); TablePosition tablePosition = (TablePosition) selectedCells.get(0); Object val = tablePosition.getTableColumn().getCellData(newValue); System.out.println("Selected Value " + val); System.out.println("Selected row " + newValue); } } }); } } please help me..

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• Why do I have to run aptitude update twice to install Ruby?

  - by Willie Wheeler

  Summary. I have a fresh EC2 Precise 64-bit instance (ami-82fa58eb). After launching the instance, I want to install ruby1.9.1 (among others). This doesn't work: aptitude update && apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy dist-upgrade && aptitude install -y ruby1.9.1 ruby1.9.1-dev make as Aptitude can't find the Ruby package. But this works: aptitude update && aptitude update && apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy dist-upgrade && aptitude install -y ruby1.9.1 ruby1.9.1-dev make I would like to understand why I need to run aptitude update twice. Details. The first and second runs look pretty different. First run: Ign http://security.ubuntu.com precise-security InRelease Ign http://archive.ubuntu.com precise InRelease Get: 1 http://security.ubuntu.com precise-security Release.gpg [198 B] Ign http://archive.ubuntu.com precise-updates InRelease Get: 2 http://security.ubuntu.com precise-security Release [49.6 kB] Hit http://archive.ubuntu.com precise Release.gpg Get: 3 http://archive.ubuntu.com precise-updates Release.gpg [198 B] Hit http://archive.ubuntu.com precise Release Get: 4 http://security.ubuntu.com precise-security/main amd64 Packages [161 kB] Get: 5 http://archive.ubuntu.com precise-updates Release [49.6 kB] Get: 6 http://security.ubuntu.com precise-security/restricted amd64 Packages [3,969 B] Hit http://archive.ubuntu.com precise/main amd64 Packages Get: 7 http://security.ubuntu.com precise-security/universe amd64 Packages [43.8 kB] Hit http://archive.ubuntu.com precise/restricted amd64 Packages Hit http://archive.ubuntu.com precise/universe amd64 Packages Get: 8 http://security.ubuntu.com precise-security/multiverse amd64 Packages [2,180 B] Hit http://archive.ubuntu.com precise/multiverse amd64 Packages Get: 9 http://security.ubuntu.com precise-security/main i386 Packages [165 kB] Hit http://archive.ubuntu.com precise/main i386 Packages Hit http://archive.ubuntu.com precise/restricted i386 Packages Hit http://archive.ubuntu.com precise/universe i386 Packages Hit http://archive.ubuntu.com precise/multiverse i386 Packages Get: 10 http://security.ubuntu.com precise-security/restricted i386 Packages [3,968 B] Hit http://archive.ubuntu.com precise/main TranslationIndex Get: 11 http://security.ubuntu.com precise-security/universe i386 Packages [44.0 kB] Hit http://archive.ubuntu.com precise/multiverse TranslationIndex Get: 12 http://security.ubuntu.com precise-security/multiverse i386 Packages [2,369 B] Get: 13 http://security.ubuntu.com precise-security/main TranslationIndex [73 B] Hit http://archive.ubuntu.com precise/restricted TranslationIndex Get: 14 http://security.ubuntu.com precise-security/multiverse TranslationIndex [71 B] Hit http://archive.ubuntu.com precise/universe TranslationIndex Get: 15 http://security.ubuntu.com precise-security/restricted TranslationIndex [71 B] Get: 16 http://archive.ubuntu.com precise-updates/main amd64 Packages [382 kB] Get: 17 http://security.ubuntu.com precise-security/universe TranslationIndex [73 B] Get: 18 http://security.ubuntu.com precise-security/main Translation-en [76.5 kB] Get: 19 http://security.ubuntu.com precise-security/multiverse Translation-en [995 B] Get: 20 http://security.ubuntu.com precise-security/restricted Translation-en [978 B] Get: 21 http://security.ubuntu.com precise-security/universe Translation-en [27.2 kB] Get: 22 http://archive.ubuntu.com precise-updates/restricted amd64 Packages [6,755 B] Get: 23 http://archive.ubuntu.com precise-updates/universe amd64 Packages [129 kB] Get: 24 http://archive.ubuntu.com precise-updates/multiverse amd64 Packages [8,677 B] Get: 25 http://archive.ubuntu.com precise-updates/main i386 Packages [387 kB] Get: 26 http://archive.ubuntu.com precise-updates/restricted i386 Packages [6,732 B] Get: 27 http://archive.ubuntu.com precise-updates/universe i386 Packages [130 kB] Get: 28 http://archive.ubuntu.com precise-updates/multiverse i386 Packages [9,672 B] Get: 29 http://archive.ubuntu.com precise-updates/main TranslationIndex [3,564 B] Get: 30 http://archive.ubuntu.com precise-updates/multiverse TranslationIndex [2,605 B] Get: 31 http://archive.ubuntu.com precise-updates/restricted TranslationIndex [2,461 B] Get: 32 http://archive.ubuntu.com precise-updates/universe TranslationIndex [2,850 B] Get: 33 http://archive.ubuntu.com precise/main Translation-en [726 kB] Get: 34 http://archive.ubuntu.com precise/multiverse Translation-en [93.4 kB] Get: 35 http://archive.ubuntu.com precise/restricted Translation-en [2,395 B] Get: 36 http://archive.ubuntu.com precise/universe Translation-en [3,341 kB] Get: 37 http://archive.ubuntu.com precise-updates/main Translation-en [188 kB] Get: 38 http://archive.ubuntu.com precise-updates/multiverse Translation-en [5,414 B] Get: 39 http://archive.ubuntu.com precise-updates/restricted Translation-en [1,484 B] Get: 40 http://archive.ubuntu.com precise-updates/universe Translation-en [77.3 kB] Ign http://archive.ubuntu.com precise/main Translation-en_US Ign http://archive.ubuntu.com precise/multiverse Translation-en_US Ign http://archive.ubuntu.com precise/restricted Translation-en_US Ign http://archive.ubuntu.com precise/universe Translation-en_US Fetched 6,137 kB in 11s (538 kB/s) Reading package lists... Second run: Ign http://us-east-1.ec2.archive.ubuntu.com precise InRelease Ign http://us-east-1.ec2.archive.ubuntu.com precise-updates InRelease Get: 1 http://us-east-1.ec2.archive.ubuntu.com precise Release.gpg [198 B] Get: 2 http://us-east-1.ec2.archive.ubuntu.com precise-updates Release.gpg [198 B] Ign http://security.ubuntu.com precise-security InRelease Get: 3 http://us-east-1.ec2.archive.ubuntu.com precise Release [49.6 kB] Get: 4 http://us-east-1.ec2.archive.ubuntu.com precise-updates Release [49.6 kB] Get: 5 http://us-east-1.ec2.archive.ubuntu.com precise/main Sources [934 kB] Hit http://security.ubuntu.com precise-security Release.gpg Hit http://security.ubuntu.com precise-security Release Get: 6 http://us-east-1.ec2.archive.ubuntu.com precise/universe Sources [5,019 kB] Get: 7 http://security.ubuntu.com precise-security/main Sources [42.8 kB] Get: 8 http://security.ubuntu.com precise-security/universe Sources [13.5 kB] Hit http://security.ubuntu.com precise-security/main amd64 Packages Hit http://security.ubuntu.com precise-security/universe amd64 Packages Hit http://security.ubuntu.com precise-security/main i386 Packages Get: 9 http://us-east-1.ec2.archive.ubuntu.com precise/main amd64 Packages [1,273 kB] Hit http://security.ubuntu.com precise-security/universe i386 Packages Get: 10 http://us-east-1.ec2.archive.ubuntu.com precise/universe amd64 Packages [4,786 kB] Hit http://security.ubuntu.com precise-security/main TranslationIndex Hit http://security.ubuntu.com precise-security/universe TranslationIndex Hit http://security.ubuntu.com precise-security/main Translation-en Hit http://security.ubuntu.com precise-security/universe Translation-en Get: 11 http://us-east-1.ec2.archive.ubuntu.com precise/main i386 Packages [1,274 kB] Get: 12 http://us-east-1.ec2.archive.ubuntu.com precise/universe i386 Packages [4,796 kB] Get: 13 http://us-east-1.ec2.archive.ubuntu.com precise/main TranslationIndex [3,706 B] Get: 14 http://us-east-1.ec2.archive.ubuntu.com precise/universe TranslationIndex [2,922 B] Get: 15 http://us-east-1.ec2.archive.ubuntu.com precise-updates/main Sources [163 kB] Get: 16 http://us-east-1.ec2.archive.ubuntu.com precise-updates/universe Sources [50.8 kB] Get: 17 http://us-east-1.ec2.archive.ubuntu.com precise-updates/main amd64 Packages [382 kB] Get: 18 http://us-east-1.ec2.archive.ubuntu.com precise-updates/universe amd64 Packages [129 kB] Get: 19 http://us-east-1.ec2.archive.ubuntu.com precise-updates/main i386 Packages [387 kB] Get: 20 http://us-east-1.ec2.archive.ubuntu.com precise-updates/universe i386 Packages [129 kB] Get: 21 http://us-east-1.ec2.archive.ubuntu.com precise-updates/main TranslationIndex [3,564 B] Get: 22 http://us-east-1.ec2.archive.ubuntu.com precise-updates/universe TranslationIndex [2,850 B] Get: 23 http://us-east-1.ec2.archive.ubuntu.com precise/main Translation-en [726 kB] Get: 24 http://us-east-1.ec2.archive.ubuntu.com precise/universe Translation-en [3,341 kB] Get: 25 http://us-east-1.ec2.archive.ubuntu.com precise-updates/main Translation-en [188 kB] Get: 26 http://us-east-1.ec2.archive.ubuntu.com precise-updates/universe Translation-en [77.1 kB] Fetched 23.8 MB in 23s (1,026 kB/s) Reading package lists... Note. My question is almost exactly the same as Running 'apt-get upgrade' on Amazon EC2 AMI twice in succession upgrades very different packages except that I'm seeing this issue with aptitude updates rather than apt-get upgrades.

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• How to resolve Unmet dependencies error?

  - by dandelion

  Using my new install of Ubuntu I haven't been able to download anything from the software center except the maryo game without the following error: The following packages have unmet dependencies: vlc: Depends: vlc-nox (= 1.1.12-2~oneiric1) but 1.1.12-2~oneiric1 is to be installed Depends: libaa1 (>= 1.4p5) but 1.4p5-38build1 is to be installed Depends: libavcodec-extra-53 (>= 4:0.7-1) but 4:0.7.3ubuntu0.11.10.1 is to be installed Depends: libavutil-extra-51 (>= 4:0.7-1) but 4:0.7.3ubuntu0.11.10.1 is to be installed Depends: libc6 (>= 2.8) but 2.13-20ubuntu5.1 is to be installed Depends: libfreetype6 (>= 2.2.1) but 2.4.4-2ubuntu1.1 is to be installed Depends: libgcc1 (>= 1:4.1.1) but 1:4.6.1-9ubuntu3 is to be installed Depends: libqtcore4 (>= 4:4.7.0~beta1) but 4:4.7.4-0ubuntu8.1 is to be installed Depends: libqtgui4 (>= 4:4.5.3) but 4:4.7.4-0ubuntu8.1 is to be installed Depends: libsdl-image1.2 (>= 1.2.10) but 1.2.10-2.1 is to be installed Depends: libsdl1.2debian (>= 1.2.10-1) but 1.2.14-6.1ubuntu4 is to be installed Depends: libstdc++6 (>= 4.6) but 4.6.1-9ubuntu3 is to be installed Depends: libva-x11-1 (> 1.0.12~) but it is not going to be installed Depends: libva1 (> 1.0.12~) but it is not going to be installed Depends: libxcb-randr0 (>= 1.1) but it is not going to be installed Depends: libxcb-xv0 (>= 1.2) but it is not going to be installed Depends: zlib1g (>= 1:1.2.3.3.dfsg) but 1:1.2.3.4.dfsg-3ubuntu3 is to be installed My system specs are version 11.10 64 bit. ge-g41m-es2l mother board amd 5770 video card wdc green 500 gig hard drive I have recently changed the motherboard, but otherwise have not changed my computer from when I used to be running the same version of Ubuntu. edit still unable to download output of sudo apt-get update output of sudo apt-get update ~$ sudo apt-get update Ign http://extras.ubuntu.com oneiric InRelease Ign http://security.ubuntu.com oneiric-security InRelease Ign http://archive.canonical.com oneiric InRelease Ign http://ppa.launchpad.net oneiric InRelease Ign http://us.archive.ubuntu.com oneiric InRelease Ign http://us.archive.ubuntu.com oneiric-updates InRelease Ign http://us.archive.ubuntu.com oneiric-backports InRelease Hit http://extras.ubuntu.com oneiric Release.gpg Hit http://archive.canonical.com oneiric Release.gpg Hit http://security.ubuntu.com oneiric-security Release.gpg Hit http://ppa.launchpad.net oneiric Release.gpg Ign http://us.archive.ubuntu.com oneiric-proposed InRelease Hit http://us.archive.ubuntu.com oneiric Release.gpg Hit http://extras.ubuntu.com oneiric Release Hit http://archive.canonical.com oneiric Release Hit http://security.ubuntu.com oneiric-security Release Hit http://ppa.launchpad.net oneiric Release Hit http://us.archive.ubuntu.com oneiric-updates Release.gpg Hit http://us.archive.ubuntu.com oneiric-backports Release.gpg Hit http://extras.ubuntu.com oneiric/main Sources Hit http://archive.canonical.com oneiric/partner i386 Packages Hit http://security.ubuntu.com oneiric-security/main Sources Hit http://ppa.launchpad.net oneiric/main Sources Hit http://us.archive.ubuntu.com oneiric-proposed Release.gpg Hit http://extras.ubuntu.com oneiric/main i386 Packages Ign http://extras.ubuntu.com oneiric/main TranslationIndex Hit http://ppa.launchpad.net oneiric/main i386 Packages Ign http://ppa.launchpad.net oneiric/main TranslationIndex Ign http://archive.canonical.com oneiric/partner TranslationIndex Hit http://security.ubuntu.com oneiric-security/restricted Sources Hit http://security.ubuntu.com oneiric-security/universe Sources Hit http://security.ubuntu.com oneiric-security/multiverse Sources Hit http://security.ubuntu.com oneiric-security/main i386 Packages Hit http://security.ubuntu.com oneiric-security/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric Release Hit http://us.archive.ubuntu.com oneiric-updates Release Hit http://security.ubuntu.com oneiric-security/universe i386 Packages Hit http://security.ubuntu.com oneiric-security/multiverse i386 Packages Hit http://security.ubuntu.com oneiric-security/main TranslationIndex Hit http://security.ubuntu.com oneiric-security/multiverse TranslationIndex Hit http://security.ubuntu.com oneiric-security/restricted TranslationIndex Hit http://security.ubuntu.com oneiric-security/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports Release Hit http://security.ubuntu.com oneiric-security/main Translation-en Hit http://security.ubuntu.com oneiric-security/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-proposed Release Hit http://us.archive.ubuntu.com oneiric/main Sources Hit http://us.archive.ubuntu.com oneiric/restricted Sources Hit http://us.archive.ubuntu.com oneiric/universe Sources Hit http://us.archive.ubuntu.com oneiric/multiverse Sources Hit http://security.ubuntu.com oneiric-security/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/main Sources Hit http://us.archive.ubuntu.com oneiric-updates/restricted Sources Hit http://security.ubuntu.com oneiric-security/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/universe Sources Hit http://us.archive.ubuntu.com oneiric-updates/multiverse Sources Hit http://us.archive.ubuntu.com oneiric-updates/main i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric-updates/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric-updates/universe TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/main Sources Hit http://us.archive.ubuntu.com oneiric-backports/restricted Sources Hit http://us.archive.ubuntu.com oneiric-backports/universe Sources Hit http://us.archive.ubuntu.com oneiric-backports/multiverse Sources Hit http://us.archive.ubuntu.com oneiric-backports/main i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric-backports/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric-backports/universe TranslationIndex Ign http://extras.ubuntu.com oneiric/main Translation-en_US Ign http://ppa.launchpad.net oneiric/main Translation-en_US Hit http://us.archive.ubuntu.com oneiric-proposed/restricted i386 Packages Hit http://us.archive.ubuntu.com oneiric-proposed/main i386 Packages Hit http://us.archive.ubuntu.com oneiric-proposed/multiverse i386 Packages Hit http://us.archive.ubuntu.com oneiric-proposed/universe i386 Packages Hit http://us.archive.ubuntu.com oneiric-proposed/main TranslationIndex Hit http://us.archive.ubuntu.com oneiric-proposed/multiverse TranslationIndex Hit http://us.archive.ubuntu.com oneiric-proposed/restricted TranslationIndex Hit http://us.archive.ubuntu.com oneiric-proposed/universe TranslationIndex Ign http://archive.canonical.com oneiric/partner Translation-en_US Ign http://extras.ubuntu.com oneiric/main Translation-en Ign http://ppa.launchpad.net oneiric/main Translation-en Ign http://archive.canonical.com oneiric/partner Translation-en Get:1 http://us.archive.ubuntu.com oneiric/main i386 Packages [1,583 kB] Hit http://us.archive.ubuntu.com oneiric/main Translation-en Hit http://us.archive.ubuntu.com oneiric/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/main Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric-updates/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/main Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric-backports/universe Translation-en Hit http://us.archive.ubuntu.com oneiric-proposed/main Translation-en Hit http://us.archive.ubuntu.com oneiric-proposed/multiverse Translation-en Hit http://us.archive.ubuntu.com oneiric-proposed/restricted Translation-en Hit http://us.archive.ubuntu.com oneiric-proposed/universe Translation-en Err http://us.archive.ubuntu.com oneiric/main i386 Packages 404 Not Found [IP: 91.189.92.179 80] Fetched 1 B in 2s (0 B/s) W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/oneiric/main/binary-i386/Packages 404 Not Found [IP: 91.189.92.179 80] E: Some index files failed to download. They have been ignored, or old ones used instead.

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• Stuck at the STARTUP [closed]

  - by Tarik Setia

  I started with "Getting started with asp mvc4 tutorial". I just created the project and when I pressed F5 I got this: Server Error in '/' Application. -------------------------------------------------------------------------------- Could not load type 'System.Web.WebPages.DisplayModes' from assembly 'System.Web.WebPages, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.TypeLoadException: Could not load type 'System.Web.WebPages.DisplayModes' from assembly 'System.Web.WebPages, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [TypeLoadException: Could not load type 'System.Web.WebPages.DisplayModes' from assembly 'System.Web.WebPages, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.] System.Web.Mvc.VirtualPathProviderViewEngine.GetPath(ControllerContext controllerContext, String[] locations, String[] areaLocations, String locationsPropertyName, String name, String controllerName, String cacheKeyPrefix, Boolean useCache, String[]& searchedLocations) +0 System.Web.Mvc.VirtualPathProviderViewEngine.FindView(ControllerContext controllerContext, String viewName, String masterName, Boolean useCache) +315 System.Web.Mvc.c__DisplayClassc.b__a(IViewEngine e) +68 System.Web.Mvc.ViewEngineCollection.Find(Func`2 lookup, Boolean trackSearchedPaths) +182 System.Web.Mvc.ViewEngineCollection.Find(Func`2 cacheLocator, Func`2 locator) +67 System.Web.Mvc.ViewEngineCollection.FindView(ControllerContext controllerContext, String viewName, String masterName) +329 System.Web.Mvc.ViewResult.FindView(ControllerContext context) +135 System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +230 System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +39 System.Web.Mvc.c__DisplayClass1c.b__19() +74 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +388 System.Web.Mvc.c__DisplayClass1e.b__1b() +72 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +303 System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +844 System.Web.Mvc.Controller.ExecuteCore() +130 System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +229 System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +39 System.Web.Mvc.c__DisplayClassb.b__5() +71 System.Web.Mvc.Async.c__DisplayClass1.b__0() +44 System.Web.Mvc.Async.c__DisplayClass8`1.b__7(IAsyncResult _) +42 System.Web.Mvc.Async.WrappedAsyncResult`1.End() +152 System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59 System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40 System.Web.Mvc.c__DisplayClasse.b__d() +75 System.Web.Mvc.SecurityUtil.b__0(Action f) +31 System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +61 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +118 System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +38 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +10303829 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +178 -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17020

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• Agile SOA Governance: SO-Aware and Visual Studio Integration

  - by gsusx

  One of the major limitations of traditional SOA governance platforms is the lack of integration as part of the development process. Tools like HP-Systinet or SOA Software are designed to operate by models on which the architects dictate the governance procedures and policies and the rest of the team members follow along. Consequently, those procedures are frequently rejected by developers and testers given that they can’t incorporate it as part of their daily activities. Having SOA governance products...(read more)

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