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• shutdown.exe on Win Server2k3 64-bit cannot be found

  - by normalocity

  Server 2003 SP2 64-bit Verified my path settings are correct, as I can run other executables within the "system32" folder without issue. If I cd to "c:\windows\system32\" folder, and try to run "shutdown /?" I get "shutdown is not recognized as a valid..." you know - the message you get when you type a command that doesn't exist. Doing a "dir *.exe" inside the "system32" folder, also doesn't return "shutdown.exe" as one of the results. HOWEVER - if I go through Windows Explorer - there it is! I can see shutdown.exe. Also, if I go to "Start - Run" and type "shutdown /?", it works fine. So, works in the GUI, not on the command line. very strange. This is an excerpt of the last portion of "dir *.exe" when run on the "system32" folder. Note the lack of commonly used executables such as "shutdown.exe" and "tsadmin.exe" 02/18/2007 07:00 AM 24,064 route.exe 02/18/2007 07:00 AM 29,184 routemon.exe 02/18/2007 07:00 AM 14,848 rsh.exe 02/18/2007 07:00 AM 67,072 rsopprov.exe 02/18/2007 07:00 AM 77,824 rtcshare.exe 02/18/2007 07:00 AM 18,432 runas.exe 02/18/2007 07:00 AM 34,816 rundll32.exe 02/18/2007 07:00 AM 18,432 runonce.exe 02/18/2007 07:00 AM 13,312 savedump.exe 03/19/2009 07:51 PM 49,152 sc.exe 02/18/2007 07:00 AM 90,112 scardsvr.exe 02/18/2007 07:00 AM 152,064 schtasks.exe 02/18/2007 07:00 AM 16,384 schupgr.exe 02/18/2007 07:00 AM 31,232 sdbinst.exe 02/18/2007 07:00 AM 36,352 secedit.exe 02/18/2007 07:00 AM 32,768 sethc.exe 06/28/2006 12:12 AM 31,232 SetLACState.exe 02/18/2007 07:00 AM 41,472 setup.exe 02/18/2007 07:00 AM 25,088 setup16.exe 02/18/2007 07:00 AM 20,480 setupn.exe 02/18/2007 07:00 AM 60,416 setx.exe 02/18/2007 07:00 AM 10,752 sfc.exe 02/18/2007 07:00 AM 76,288 sfmprint.exe 02/18/2007 07:00 AM 11,776 sfmpsexe.exe 02/18/2007 07:00 AM 65,024 sfmsvc.exe 02/18/2007 07:00 AM 38,400 shmgrate.exe 02/18/2007 07:00 AM 71,168 sigverif.exe 02/18/2007 07:00 AM 26,112 skeys.exe 02/18/2007 07:00 AM 96,256 smlogsvc.exe 02/18/2007 07:00 AM 53,760 smss.exe 02/18/2007 07:00 AM 40,960 snmp.exe 02/18/2007 07:00 AM 25,088 sort.exe 02/18/2007 07:00 AM 9,728 sprestrt.exe 02/18/2007 07:00 AM 10,240 subst.exe 02/18/2007 07:00 AM 14,848 svchost.exe 02/18/2007 07:00 AM 54,272 syncapp.exe 02/18/2007 07:00 AM 18,896 sysedit.exe 02/18/2007 07:00 AM 29,696 syskey.exe 02/18/2007 07:00 AM 107,520 sysocmgr.exe 02/18/2007 07:00 AM 79,360 systeminfo.exe 02/18/2007 07:00 AM 3,072 systray.exe 02/18/2007 07:00 AM 58,880 takeown.exe 02/18/2007 07:00 AM 32,768 tapicfg.exe 02/18/2007 07:00 AM 84,480 taskkill.exe 02/18/2007 07:00 AM 87,552 tasklist.exe 02/18/2007 07:00 AM 168,960 taskmgr.exe 02/18/2007 07:00 AM 13,824 tcmsetup.exe 02/18/2007 07:00 AM 21,504 tcpsvcs.exe 02/18/2007 07:00 AM 28,672 timeout.exe 02/18/2007 07:00 AM 419,328 tracerpt.exe 02/18/2007 07:00 AM 12,800 tracert.exe 02/18/2007 07:00 AM 26,624 tsecimp.exe 02/18/2007 07:00 AM 37,376 typeperf.exe 10/24/2008 04:12 PM 64,000 tzchange.exe 02/18/2007 07:00 AM 5,632 unlodctr.exe 02/18/2007 07:00 AM 321,024 upg351db.exe 02/18/2007 07:00 AM 16,896 ups.exe 02/18/2007 07:00 AM 4,096 user.exe 02/18/2007 07:00 AM 26,112 userinit.exe 02/18/2007 07:00 AM 49,152 utilman.exe 02/18/2007 07:00 AM 47,104 uwdf.exe 02/18/2007 07:00 AM 29,184 verclsid.exe 02/18/2007 07:00 AM 112,640 verifier.exe 02/18/2007 07:00 AM 1,129 vwipxspx.exe 02/18/2007 07:00 AM 55,296 w32tm.exe 02/18/2007 07:00 AM 38,400 waitfor.exe 02/18/2007 07:00 AM 39,424 wdfmgr.exe 02/18/2007 07:00 AM 62,464 wextract.exe 02/18/2007 07:00 AM 38,400 where.exe 02/18/2007 07:00 AM 48,640 whoami.exe 02/18/2007 07:00 AM 36,864 winchat.exe 08/13/2007 06:45 PM 206,336 WinFXDocObj.exe 02/18/2007 07:00 AM 8,704 winhlp32.exe 02/18/2007 07:00 AM 12,800 winmsd.exe 02/18/2007 07:00 AM 2,112 winspool.exe 02/18/2007 07:00 AM 6,656 winver.exe 08/21/2002 05:13 AM 189,952 WISPTIS.EXE 02/18/2007 07:00 AM 67,072 wlbs.exe 02/18/2007 07:00 AM 10,560 wowexec.exe 02/18/2007 07:00 AM 10,752 wowreg32.exe 02/18/2007 07:00 AM 31,232 wpnpinst.exe 02/18/2007 07:00 AM 5,632 write.exe 02/18/2007 07:00 AM 114,688 wscript.exe 02/18/2007 07:00 AM 30,720 xcopy.exe

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• Why doesn't this for loop work?

  - by evilsoup

  This is on Ubuntu 12.04 I'm trying to figure out how to get ffmpeg to do a batch conversion of FLACs to MP3, recursively. If I cd into a directory and use for f in *.flac; do ffmpeg -i "$f" -c:a libmp3lame -q:a 2 "${f/%flac/mp3}"; done that works perfectly fine. However, when I try this, it doesn't work: for f in "$(find . -type f -name *.flac)"; do ffmpeg -i "$f" -c:a libmp3lame -q:a 2 "${f/%flac/mp3}"; done It doesn't even throw up any useful errors (but here is the output anyway, no need to complain): evilsoup@enchantment:~/Music/Jean Sibelius$ for f in "$(find . -type f -name *.flac)"; do ffmpeg -i "$f" -c:a libmp3lame -q:a 2 "${f/%flac/mp3}"; done ffmpeg version git-2012-12-18-b7e085a Copyright (c) 2000-2012 the FFmpeg developers built on Dec 18 2012 19:23:11 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5) configuration: --enable-gpl --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-x11grab --enable-libx264 --enable-nonfree --enable-version3 libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 80.100 / 54. 80.100 libavformat 54. 49.102 / 54. 49.102 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 28.100 / 3. 28.100 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/02. Symphony No.1.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/03. Symphony No.1.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/stripped2.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/05. Symphony No.1.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/stripped3.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/09. Andante festivo.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/08. Symphony No.3.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/01. Finlandia.flac ./Symphonies 1, 2, 3 & 5 (Oslo Philharmonic Orchestra Conducted by Mariss Jansons) Disc 1/07. Symphony No.3.flac ./Symphonies 1, 2, 3 & 5 I've tested the find command on its own, and it works as expected, so the problem has to be something to do with the interaction between find and for. I'm aware that I could do something with find's -exec option, but I can't find any way to do string substitution as I can with a bash for loop, and I'd rather not have a bunch of file.flac.mp3s to deal with, even if they could be fixed with a simple rename.

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• shutdown.exe on Win Server2k3 cannot be found

  - by normalocity

  Server 2003 SP2 64-bit Verified my path settings are correct, as I can run other executables within the "system32" folder without issue. If I cd to "c:\windows\system32\" folder, and try to run "shutdown /?" I get "shutdown is not recognized as a valid..." you know - the message you get when you type a command that doesn't exist. Doing a "dir *.exe" inside the "system32" folder, also doesn't return "shutdown.exe" as one of the results. HOWEVER - if I go through Windows Explorer - there it is! I can see shutdown.exe. Also, if I go to "Start - Run" and type "shutdown /?", it works fine. So, works in the GUI, not on the command line. very strange. This is an excerpt of the last portion of "dir *.exe" when run on the "system32" folder. Note the lack of commonly used executables such as "shutdown.exe" and "tsadmin.exe" 02/18/2007 07:00 AM 24,064 route.exe 02/18/2007 07:00 AM 29,184 routemon.exe 02/18/2007 07:00 AM 14,848 rsh.exe 02/18/2007 07:00 AM 67,072 rsopprov.exe 02/18/2007 07:00 AM 77,824 rtcshare.exe 02/18/2007 07:00 AM 18,432 runas.exe 02/18/2007 07:00 AM 34,816 rundll32.exe 02/18/2007 07:00 AM 18,432 runonce.exe 02/18/2007 07:00 AM 13,312 savedump.exe 03/19/2009 07:51 PM 49,152 sc.exe 02/18/2007 07:00 AM 90,112 scardsvr.exe 02/18/2007 07:00 AM 152,064 schtasks.exe 02/18/2007 07:00 AM 16,384 schupgr.exe 02/18/2007 07:00 AM 31,232 sdbinst.exe 02/18/2007 07:00 AM 36,352 secedit.exe 02/18/2007 07:00 AM 32,768 sethc.exe 06/28/2006 12:12 AM 31,232 SetLACState.exe 02/18/2007 07:00 AM 41,472 setup.exe 02/18/2007 07:00 AM 25,088 setup16.exe 02/18/2007 07:00 AM 20,480 setupn.exe 02/18/2007 07:00 AM 60,416 setx.exe 02/18/2007 07:00 AM 10,752 sfc.exe 02/18/2007 07:00 AM 76,288 sfmprint.exe 02/18/2007 07:00 AM 11,776 sfmpsexe.exe 02/18/2007 07:00 AM 65,024 sfmsvc.exe 02/18/2007 07:00 AM 38,400 shmgrate.exe 02/18/2007 07:00 AM 71,168 sigverif.exe 02/18/2007 07:00 AM 26,112 skeys.exe 02/18/2007 07:00 AM 96,256 smlogsvc.exe 02/18/2007 07:00 AM 53,760 smss.exe 02/18/2007 07:00 AM 40,960 snmp.exe 02/18/2007 07:00 AM 25,088 sort.exe 02/18/2007 07:00 AM 9,728 sprestrt.exe 02/18/2007 07:00 AM 10,240 subst.exe 02/18/2007 07:00 AM 14,848 svchost.exe 02/18/2007 07:00 AM 54,272 syncapp.exe 02/18/2007 07:00 AM 18,896 sysedit.exe 02/18/2007 07:00 AM 29,696 syskey.exe 02/18/2007 07:00 AM 107,520 sysocmgr.exe 02/18/2007 07:00 AM 79,360 systeminfo.exe 02/18/2007 07:00 AM 3,072 systray.exe 02/18/2007 07:00 AM 58,880 takeown.exe 02/18/2007 07:00 AM 32,768 tapicfg.exe 02/18/2007 07:00 AM 84,480 taskkill.exe 02/18/2007 07:00 AM 87,552 tasklist.exe 02/18/2007 07:00 AM 168,960 taskmgr.exe 02/18/2007 07:00 AM 13,824 tcmsetup.exe 02/18/2007 07:00 AM 21,504 tcpsvcs.exe 02/18/2007 07:00 AM 28,672 timeout.exe 02/18/2007 07:00 AM 419,328 tracerpt.exe 02/18/2007 07:00 AM 12,800 tracert.exe 02/18/2007 07:00 AM 26,624 tsecimp.exe 02/18/2007 07:00 AM 37,376 typeperf.exe 10/24/2008 04:12 PM 64,000 tzchange.exe 02/18/2007 07:00 AM 5,632 unlodctr.exe 02/18/2007 07:00 AM 321,024 upg351db.exe 02/18/2007 07:00 AM 16,896 ups.exe 02/18/2007 07:00 AM 4,096 user.exe 02/18/2007 07:00 AM 26,112 userinit.exe 02/18/2007 07:00 AM 49,152 utilman.exe 02/18/2007 07:00 AM 47,104 uwdf.exe 02/18/2007 07:00 AM 29,184 verclsid.exe 02/18/2007 07:00 AM 112,640 verifier.exe 02/18/2007 07:00 AM 1,129 vwipxspx.exe 02/18/2007 07:00 AM 55,296 w32tm.exe 02/18/2007 07:00 AM 38,400 waitfor.exe 02/18/2007 07:00 AM 39,424 wdfmgr.exe 02/18/2007 07:00 AM 62,464 wextract.exe 02/18/2007 07:00 AM 38,400 where.exe 02/18/2007 07:00 AM 48,640 whoami.exe 02/18/2007 07:00 AM 36,864 winchat.exe 08/13/2007 06:45 PM 206,336 WinFXDocObj.exe 02/18/2007 07:00 AM 8,704 winhlp32.exe 02/18/2007 07:00 AM 12,800 winmsd.exe 02/18/2007 07:00 AM 2,112 winspool.exe 02/18/2007 07:00 AM 6,656 winver.exe 08/21/2002 05:13 AM 189,952 WISPTIS.EXE 02/18/2007 07:00 AM 67,072 wlbs.exe 02/18/2007 07:00 AM 10,560 wowexec.exe 02/18/2007 07:00 AM 10,752 wowreg32.exe 02/18/2007 07:00 AM 31,232 wpnpinst.exe 02/18/2007 07:00 AM 5,632 write.exe 02/18/2007 07:00 AM 114,688 wscript.exe 02/18/2007 07:00 AM 30,720 xcopy.exe

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• How to restore Linode to Vagrant VM?

  - by Iain Elder

  I'm trying to set up a Linux development environment so I can safely make changes to my website without breaking the live site. Linode hosts my live site. A simple solution would be to host my development server on Linode as well, but I want to avoid doubling my hosting costs. The cheapest way I see is to use Vagrant on my Windows workstation to host my development environment. After I attempt to restore the backup to Vagrant and reboot the VM, I can no longer ssh into the Vagrant host. It's probably because by restoring the backup I overwrite some special Vagrant configuration, but I'm not sure how to avoid that. How do I make this approach work? If my approach is fundamentally wrong, can you suggest an alternative? Creating the backup On the Linode I used these commands to create a compressed copy of the entire filesystem, while ignoring things that shouldn't be included in the backup: $ sudo rsync -ahvz --exclude={/dev/*,/proc/*,/sys/*,/tmp/*,/run/*,/mnt/*,/backup/*} /* /backup/2 $ sudo tar -czf /backup/2.gz /backup/2 The backup file is called 2.gz because this is thesecond backup. The first backup is called 1.gz. I use WinSCP to copy the backup file to my Windows workstation. Setting up the Vagrant host I need a Vagrant box that matches my Linode operating system (Ubuntu 12.04.3 LTS, kernel 3.9.3). I selected the closet match from vagrantbox.es: Ubuntu Server Precise 12.04.3 amd64 Kernel is ready for Docker (Docker not included) On my workstation I ran these commands to add the box and initialize and boot an instance: $ vagrant box add ubuntu-precise http://nitron-vagrant.s3-website-us-east-1.amazonaws.com/vagrant_ubuntu_12.04.3_amd64_virtualbox.box $ mkdir linode-test $ cd linode-test $ vagrant init ubuntu-precise $ vagrant up Now Vagrant is running a machine with SSH on port 2222. The operating system version is the same. The kernel version is 3.8.0. Sounds close enough. Restoring the backup With WinSCP I copied the backup file 2.gz to /home/vagrant/2.gz on the Vagrant box. With PuTTY I connected via ssh to my new Vagrant box: On the box move the backup to the filesystem root. $ sudo mv 2.gz / Extract the archive to the filesystem root: $ sudo tar -xvpz -f 2.gz -C / --strip-components=2 (I discovered I need to use strip components because all files in the archive have the prefix backup/2/. I'll fix this for the next backup.) After the tar command completes, I log out of the box. Testing the backup When I try to log in again, it doesn't let me log in as vagrant with a password any more. It does let me log in as iain, my user on the live Linode, with a password. That surprised me because I disabled password authentication on my live Linode. I figured that I have to restart the ssh service for the change to take effect. Instead of restarting just ssh, I chose to restart the whole system. Now I can't even get to the login screen. PuTTY says "connection refused" when I try to connect. What went wrong?

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• Screen -X exec commands not working until manually attached

  - by James Watt

  I have a batch script that starts a java server application inside of a screen. The command looks like this: cd /dir/ && screen -A -m -d -S javascreen java -Xms640M -Xmx1024M -jar javaserverapp.jar nogui After I run the batch script, it starts the server and puts it inside the correct screen. If I list my screens after, I see something like this: user@gtwy /dir $ screen -list There is a screen on: 16180.javascreen (Detached) 1 Socket in /var/run/screen/S-user. However, I have a second batch script that sends automated commands to this server and runs on a different crontab interval. Because of the way the application works, I send commands to it like this (this command tells it to alert connected users "testing 123"): screen -X exec .\!\! echo say testing 123 I've also tried: screen -R -X exec .\!\! echo say testing 123 screen -S javascreen -X exec .\!\! echo say testing 123 Unfortunately, these commands DO NOT WORK. They don't even give me an error message, they just do nothing. HOWEVER - If I manually attach to the screen first (with the below command) and then detach, now I can run any of the above commands flawlessly. I can demonstrate this with a video, if I wasn't clear enough here. screen -r -d Thanks in advance. Update: here is the important parts of /etc/screenrc. It should be totally vanilla, I've never edited this file. # VARIABLES # =============================================================== # No annoying audible bell, using "visual bell" # vbell on # default: off # vbell_msg " -- Bell,Bell!! -- " # default: "Wuff,Wuff!!" # Automatically detach on hangup. autodetach on # default: on # Don't display the copyright page startup_message off # default: on # Uses nethack-style messages # nethack on # default: off # Affects the copying of text regions crlf off # default: off # Enable/disable multiuser mode. Standard screen operation is singleuser. # In multiuser mode the commands acladd, aclchg, aclgrp and acldel can be used # to enable (and disable) other user accessing this screen session. # Requires suid-root. multiuser off # Change default scrollback value for new windows defscrollback 1000 # default: 100 # Define the time that all windows monitored for silence should # wait before displaying a message. Default 30 seconds. silencewait 15 # default: 30 # bufferfile: The file to use for commands # "readbuf" ('<') and "writebuf" ('>'): bufferfile $HOME/.screen_exchange # # hardcopydir: The directory which contains all hardcopies. # hardcopydir ~/.hardcopy # hardcopydir ~/.screen # # shell: Default process started in screen's windows. # Makes it possible to use a different shell inside screen # than is set as the default login shell. # If begins with a '-' character, the shell will be started as a login shell. # shell zsh # shell bash # shell ksh shell -$SHELL # shellaka '> |tcsh' # shelltitle '$ |bash' # emulate .logout message pow_detach_msg "Screen session of \$LOGNAME \$:cr:\$:nl:ended." # caption always " %w --- %c:%s" # caption always "%3n %t%? @%u%?%? [%h]%?%=%c" # advertise hardstatus support to $TERMCAP # termcapinfo * '' 'hs:ts=\E_:fs=\E\\:ds=\E_\E\\' # set every new windows hardstatus line to somenthing descriptive # defhstatus "screen: ^En (^Et)" # don't kill window after the process died # zombie "^["

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• Performing mechanical movements using computer

  - by Vi

  How to make a computer (in particular, my laptop) to perform some mechanical movements without buying anything $5, soldering things inside computer or creating big sophisticated circuits? Traditionally CD-ROM tray is used to make computer do some movement IRL by, for example, SSH command, but in laptop tray is one-shot (unless manually reloaded) and also not very comfortable [mis]usage. Some assistance circuits can be in use too, but not complex. For example, there is a little motor that can work on USB power. Devices in my computer: DVD-ROM tray: one-time push. USB power: continuous power to the motor or LEDS or relay that turns on something powerful. Audio card. 3 outputs (modprobe alsa model=test can set Mic and Line-in as additional output). One controllable DC output (microphone) that can power up LED and some electronic (may be even mechanic?) relay. Also with sophisticated additional circuiting can control a lot of devices with a good precision. Both input and output support. Probably the most useful object in computer for radio ham. Modem. Don't know about this much, it doesn't work because of hsfmodem crashes kernel if memory is = 1GB. May be it's "pick up" and "hang up" can turn on and off power taken from USB port? Video card. VGA port? S-Video port? Will them be useful? Backlight. Tunable, but probably unuseful. CardBus (or some) slot. Nothing interesting for the task probably (is it?). AC adapter and battery. Probably nothing programmable here. /* My AC adapter already have additional jacks to connect extra devics */ Keyboard. No use. Touchpad. Good sensor (synclient -m 1), but no output. Various LEDs inside laptop. Probably too weak and requires soldering. Fans inside laptop. Poor control over them, requires soldering and dangerous to tinker. HDD (internal and external) that can be spin down and up (hdparm -Y, cat /dev/ubb). But connecting anything serially with it's power line makes HDD underpowered... And too complex. Is something are missed? Any ideas how to use described components? Any other ideas? May be there are easily available /* in developing countries */ cheap devices like "enhanced multimeters" that are controllable from computer and can provide configurable output and measure current and other things? Things to aid pushing many physical buttons with computer. Isn't this a simple idea and implementation and a lot of use in good hands?

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• Ubuntu 12 crashed and took down network

  - by Leopd

  We recently set up a new Ubuntu 12.04LTS server on our network. It's not fully configured so it's not doing much beyond sshd and a default apache2 install. But this evening it appears to have crashed. It wasn't responding to the network or the keyboard. But the worst part is, it took down the entire network. My knowledge of the network stack below OSI layer 3 is very limited, so the rest confuses me. When this machine was physically connected to the network, no other machine could connect to the outside internet. When things were broken, running arp showed that our gateway's IP address (10.0.1.1) was listed as "invalid." Unplugging the server from the network fixed the problem, and plugging it back in broke it again. So the crashed server was advertising itself as owning the gateway's IP address? There's nothing at all in syslog during the time when it was causing problems. Any ideas about how to figure out what went wrong or what we can do to prevent it from happening again? I'm hesitant to even put the machine back on the network right now. Update ** It crashed again, and I ran tcpdump -penn arp (thanks bahamat!) for several minutes and got this... (timestamps and duplicate lines removed) 00:1e:65:f8:dc:24 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: Request who-has 10.0.1.1 tell 10.0.2.191, length 46 00:1e:65:f8:dc:24 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: Request who-has 10.0.1.44 tell 10.0.2.191, length 46 60:d8:19:d4:71:d6 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: Request who-has 10.0.1.1 tell 10.0.2.125, length 46 d4:9a:20:04:e9:78 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 42: Request who-has 192.168.1.1 tell 192.168.1.100, length 28 Update 2 ** When the network is functioning properly, arping -c4 10.0.1.1 returns this: ARPING 10.0.1.1 60 bytes from c0:c1:c0:77:25:8e (10.0.1.1): index=0 time=267.982 usec 60 bytes from c0:c1:c0:77:25:8e (10.0.1.1): index=1 time=422.955 usec 60 bytes from c0:c1:c0:77:25:8e (10.0.1.1): index=2 time=299.215 usec 60 bytes from c0:c1:c0:77:25:8e (10.0.1.1): index=3 time=366.926 usec --- 10.0.1.1 statistics --- 4 packets transmitted, 4 packets received, 0% unanswered (0 extra) When the bad server is plugged in, arping -c4 10.0.1.1 returns: ARPING 10.0.1.1 --- 10.0.1.1 statistics --- 4 packets transmitted, 0 packets received, 100% unanswered (0 extra) Context ** 10.0.x.x is the main subnet. 10.0.1.1 is the main internet gateway 10.0.1.44 is a printer 10.0.2.* devices are all laptops / workstations I have no idea what's using the 192.168.x.x subnet -- your guesses are at least as good as mine. A VM on a workstation? A misconfigured WAP? Somebody re-sharing wifi? A machine that failed to DHCP? The offending ubuntu server's MAC address ends in cd:80 so isn't listed in the dump. It should DHCP to 10.0.3.3 Thanks for any help. This ARP stuff is all voodoo to me. Packets just go to IP addresses, right? ;)

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• Cheapest way to connect 20-24 Sata II HDDs in a budget storage server?

  - by Joe Hopfgartner

  I need to assemble a high density storage server for as cheap as possible. It's been a while for me and the last systems I integrated didn't even have Sata yet... During my Research I of course stumbled about Nexsan SATA Beast, the BackBlaze storage Pods as well as some ridiculously overpriced HP Proliant or Dell storage solutions. Finally I choose Norco cases as the way to go. My eye is set on the RPC-4020, which is a 4U 19" Rackmount case with 20 Hot Swap 3.5" SATA/SAS Hdd trays (Backplanes included) and room for two 2.5" OS drives as well as a Slim Line CD-Rom. The backplanes connect with a single SATA port for each drive, so there are 20 internal SATA ports to to be connected. They also have redundant power ports which I think is quite nice. The cheapest price I have found is 290$ + 40$ shipping. In europe the cheapest unfortunately is 370€ (500$) + 40 € shipping... A nice alternative would be the RPC-4224 which has SFF-8087 Mini SAS connectors that bundle 4 SATA trays each. But it doesn't seem to be available in Europe (where i am) anywhere. So here comes my problem: What Mainboard/Controller to choose to connect them for as cheap as possible while still having nice data rates? I have to say that the server is intended as a Storage server with 1gps connectivity and the data transfer will be distributed very evenly across all drives. I also don't require any raid functionality. This is all done at application level, I just need JBOD. So for example if I go for the RPC 4020 Model I need to connect 20 Storage + 1 OS + 1 CDROM Sata ports. I searched a bit and stumbled across this very low priced controller: http://www.intel.com/products/server/raid-controllers/SASWT4I/SASWT4I-overview.htm They sell it for 115 € here and the specs say it can control up to 122 hard discs and has 4 Mini SAS connectors. So I would use 4 Mini SAS 36pin - 4 SATA 7pin cables to connect 4 SATA drives to each port and choose a Mainboard taht has 6 SATA on board (for example this one) and hurray, I can connect my 22 SATA devices for as low as about ~ 220 EUR (cpu, ram, psu, case not counted) Question: WOULD THAT WORK? And if not, why? 2nd Question: If I go for the 4220 or 4224 Model, I have internal Mini SAS connectors. Am I right in assuming that the backplane than acts as a "SAS Expander"? And can I just plug these SAS connectors into any SAS port I can find on my controller / mainboard or are there certain requirements? I know that SATA port multipliers only work with controllers that are ready for that. But isn't this expansion already implemented in the SAS standard? I am sorry that this is a very broad question, but I really spent the last week reading up and it seems to be not so clear! Especially all the controlling hardware specifications! 3rd Question: A lot of hardware specs feature "internal channels" and "internal connectors". The connecors are the physical numbers of places where I can plug a cable in. I got that. But are the "internal channels" always the maximum numbers of physical drives that can be used in the end? Or can I enhance this further by Expanders/Fanouts? 4th and last question: What do you think about the setup so far? Do you know any good alternatives? Maby I am completely going the wrong way and some DAS would be way better? Are there any comparable chassis available in europe? Please feel free to say whatever you think is relevant to the subject!

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• How to install pip/easy_install on debian 6 for python3.2

  - by atomAltera

  I'm trying to install pip or setup tools form python 3.2 in debian 6. First case: apt-get install python3-pip...OK python3 easy_install.py webob Searching for webob Reading http://pypi.python.org/simple/webob/ Reading http://webob.org/ Reading http://pythonpaste.org/webob/ Best match: WebOb 1.2.2 Downloading http://pypi.python.org/packages/source/W/WebOb/WebOb-1.2.2.zip#md5=de0f371b46554709ce5b93c088a11cae Processing WebOb-1.2.2.zip Traceback (most recent call last): File "easy_install.py", line 5, in <module> main() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1931, in main with_ei_usage(lambda: File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1912, in with_ei_usage return f() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 1935, in <lambda> distclass=DistributionWithoutHelpCommands, **kw File "/usr/local/lib/python3.2/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/local/lib/python3.2/distutils/dist.py", line 917, in run_commands self.run_command(cmd) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 368, in run self.easy_install(spec, not self.no_deps) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 608, in easy_install return self.install_item(spec, dist.location, tmpdir, deps) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 638, in install_item dists = self.install_eggs(spec, download, tmpdir) File "/usr/lib/python3/dist-packages/setuptools/command/easy_install.py", line 799, in install_eggs unpack_archive(dist_filename, tmpdir, self.unpack_progress) File "/usr/lib/python3/dist-packages/setuptools/archive_util.py", line 67, in unpack_archive driver(filename, extract_dir, progress_filter) File "/usr/lib/python3/dist-packages/setuptools/archive_util.py", line 154, in unpack_zipfile data = z.read(info.filename) File "/usr/local/lib/python3.2/zipfile.py", line 891, in read with self.open(name, "r", pwd) as fp: File "/usr/local/lib/python3.2/zipfile.py", line 980, in open close_fileobj=not self._filePassed) File "/usr/local/lib/python3.2/zipfile.py", line 489, in __init__ self._decompressor = zlib.decompressobj(-15) AttributeError: 'NoneType' object has no attribute 'decompressobj' Second case: from http://pypi.python.org/pypi/distribute#installation-instructions python3 distribute_setup.py Downloading http://pypi.python.org/packages/source/d/distribute/distribute-0.6.28.tar.gz Extracting in /tmp/tmpv6iei2 Traceback (most recent call last): File "distribute_setup.py", line 515, in <module> main(sys.argv[1:]) File "distribute_setup.py", line 511, in main _install(tarball, _build_install_args(argv)) File "distribute_setup.py", line 73, in _install tar = tarfile.open(tarball) File "/usr/local/lib/python3.2/tarfile.py", line 1746, in open raise ReadError("file could not be opened successfully") tarfile.ReadError: file could not be opened successfully Third case: from http://pypi.python.org/pypi/distribute#installation-instructions tar -xzvf distribute-0.6.28.tar.gz cd distribute-0.6.28 python3 setup.py install Before install bootstrap. Scanning installed packages No setuptools distribution found running install running bdist_egg running egg_info writing distribute.egg-info/PKG-INFO writing top-level names to distribute.egg-info/top_level.txt writing dependency_links to distribute.egg-info/dependency_links.txt writing entry points to distribute.egg-info/entry_points.txt reading manifest file 'distribute.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' writing manifest file 'distribute.egg-info/SOURCES.txt' installing library code to build/bdist.linux-x86_64/egg running install_lib running build_py copying distribute.egg-info/PKG-INFO -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/SOURCES.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/dependency_links.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/entry_points.txt -> build/bdist.linux-x86_64/egg/EGG-INFO copying distribute.egg-info/top_level.txt -> build/bdist.linux-x86_64/egg/EGG-INFO creating 'dist/distribute-0.6.28-py3.2.egg' and adding 'build/bdist.linux-x86_64/egg' to it Traceback (most recent call last): File "setup.py", line 220, in <module> scripts = scripts, File "/usr/local/lib/python3.2/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/local/lib/python3.2/distutils/dist.py", line 917, in run_commands self.run_command(cmd) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "build/src/setuptools/command/install.py", line 73, in run self.do_egg_install() File "build/src/setuptools/command/install.py", line 93, in do_egg_install self.run_command('bdist_egg') File "/usr/local/lib/python3.2/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/usr/local/lib/python3.2/distutils/dist.py", line 936, in run_command cmd_obj.run() File "build/src/setuptools/command/bdist_egg.py", line 241, in run dry_run=self.dry_run, mode=self.gen_header()) File "build/src/setuptools/command/bdist_egg.py", line 542, in make_zipfile z = zipfile.ZipFile(zip_filename, mode, compression=compression) File "/usr/local/lib/python3.2/zipfile.py", line 689, in __init__ "Compression requires the (missing) zlib module") RuntimeError: Compression requires the (missing) zlib module zlib1g-dev installed Help me please

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• Application Does Not Start in Windows 7

  - by Jim Fell

  I recently installed a new 60GB SSD as my primary hard drive and re-installed Windows 7 Professional 64-bit. I then installed SSD Fresh from Abelssoft to optimize Windows to run on the SSD. It seemed to install okay, but when I try to run the utility, its splash screen appears briefly before it quietly closes. No errors are displayed; the utility just fails to launch. I have run SSD Fresh on another SSD-equipped Windows 7 Pro x64 computer in the past without any problems. Does anyone know what might be preventing the program from running? I tried running sfc /scannow from the command line (with administrator privileges), shutting down the Spybot Resident, and disabling the firewall and virus scanner. I also tried running the tool as administrator; I even tried reinstalling it, running the installer as administrator. No luck. Every time I try to launch the program the Event Viewer logs this same set of errors: Error 4/2/2012 11:35:44 PM Application Error 1000 (100) Faulting application name: SSDFresh.exe, version: 1.0.0.0, time stamp: 0x4f2a45d8 Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000 Exception code: 0xc0000005 Fault offset: 0x000007ff0016dbba Faulting process id: 0x994 Faulting application start time: 0x01cd11fd9fe978df Faulting application path: C:\Program Files (x86)\SSD Fresh\SSDFresh.exe Faulting module path: unknown Report Id: dfeed551-7df0-11e1-a2c7-002522c47ec0 Error 4/2/2012 11:35:43 PM .NET Runtime 1026 None Application: SSDFresh.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.NullReferenceException Stack: at AbBugReporter.BugForm.InitLanguage() at AbBugReporter.BugForm..ctor(AbFlexTrans.LanguageInfo, AbBugReporter.BugReportManager, Boolean) at AbBugReporter.BugReportManager.Show(System.Exception) at SSDFresh.App.App_DispatcherUnhandledException(System.Object, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs) at System.Windows.Threading.Dispatcher.CatchException(System.Exception) at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate) at System.Windows.Threading.Dispatcher.WrappedInvoke(System.Delegate, System.Object, Int32, System.Delegate) at System.Windows.Threading.Dispatcher.InvokeImpl(System.Windows.Threading.DispatcherPriority, System.TimeSpan, System.Delegate, System.Object, Int32) at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr) at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG ByRef) at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame) at System.Windows.Application.RunInternal(System.Windows.Window) at System.Windows.Application.Run() at SSDFresh.App.Main() Error 4/2/2012 11:35:39 PM SideBySide 59 None Activation context generation failed for "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe".Error in manifest or policy file "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe.Config" on line 0. Invalid Xml syntax. Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None Error 4/2/2012 11:35:39 PM SideBySide 59 None For those who are interested, here is my system configuration: ASRock M3A770DE AM3 AMD 770 ATX AMD Motherboard AMD Athlon II X3 455 Rana 3.3GHz Socket AM3 95W Triple-Core Desktop Processor ADX455WFGMBOX G.SKILL Value Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Desktop Memory Model F3-10600CL9D-8GBNT Mushkin Enhanced Chronos Deluxe MKNSSDCR60GB-DX 2.5" 60GB SATA III Synchronous MLC Internal Solid State Drive (SSD) (Primary/Boot HD) Western Digital Caviar Blue RFHWD1600AAJS 160GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive (Secondary HD) Sony Optiarc CD/DVD Burner Black SATA Model AD-7261S-0B LightScribe Support RAIDMAX RX-850AE 850W ATX12V v2.3 / EPS12V SLI Certified CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply ASUS HD7850-DC2-2GD5 Radeon HD 7850 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card Asus ML228H 21.5" Full HD LED BackLight LED Monitor Slim Design (x3)

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• md/raid:md2: cannot start dirty degraded array, kernel panic

  - by nl-x

  After having made use of a remote power switch, my server did not come back online. When I went to the datacenter and reboot the computer on the spot I see the server booting (I see the centos progress bar with running almost all the way to the end) and eventually giving the following messages: md/raid:md2: cannot start dirty degraded array. md/raid:md2: failed to run raid set. md: pers->run() failed ... md/raid:md2: cannot start dirty degraded array. md/raid:md2: failed to run raid set. md: pers->run() failed ... Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init not tainted 2.6.32-279.1.1.el6.i686 #1 Call Trace: [<c083bfbc>] ? panic+0x68/0x11c [<c045a501>] ? do_exit+0x741/0x750 [<c045a54c>] ? do_group_exit+0x3c/0xa0 [<c045a5c1>] ? sys_exit_group+0x11/0x20 [<c083eba4>] ? syscall_call+0x7/0xb [<c083007b>] ? cmos_wake_setup+0x62/0x112 The server runs CentOS and has software raid, and I don't have backups of the raid settings. The only backup I have is of /home and the database dumps. (Glad to at least have those though.) Since the server is an old Dell PowerEdge 1750 with no CD-ROM drive, I have no way of booting the machine from a boot disk. I also remember in the past that the server also wouldn't boot from a bootable USB disk. So the only way I know how to boot the server is to go to the datacenter, pick up the server and take it to the office. Screw open the server. Attach a cdrom drive to an IDE slot on the motherboard. And then boot it. I am hoping you guys could help me avoid this. I have looked a bit through the boot options and I found the following boot options. When CentOS is about to boot and interrupt the boot-countdown: CentOS (2.6.32-279.1.1.el63.i686) CentOS Linux (2.6.32-71.29.1.el6.i686) centos (2.6.32-71.el6.i686) I think the first configuration is the default one, because choosing that gets me to the above mentioned kernel panic. The other ones end with something like "Sleeping forever". I can press 'e' to edit boot commands, press 'a' to modify kernel arguments and press 'c' for grub command line. The command line gives a grub prompt. But I have no idea how to get the system to boot without (trying to) access the dirty partitions. What I want to do is off course: - boot the machine - check hard drive for errors - mark the drive as clean

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• Intermittent lockups, unable to diagnose in over a year

  - by Magsol

  Here's a real doosie; I may just give my firstborn child to whomever helps me solve this problem. In July 2008, I assembled what would be my desktop computer for graduate school. Here are the specs of the machine I built: Thermaltake 750W PSU Corsair Dominator 2x2GB 240-pin SDRAM Thermaltake Tower Asus P5K Deluxe Motherboard Intel Core 2 Quad Q9300 2.5GHz CPU 2 x GeForce 8600 GT WD Caviar Blue 640GB hard drive CD burner DVD burner Soon thereafter, I ordered a new motherboard (because I was an idiot; that first motherboard supported CrossFire, not SLI), an Asus P5N-D. I was originally running Windows XP SP3. Pretty much right into the start of the fall semester, my desktop would simply lock up after awhile. If my system was largely idling, it would be after 1-3 days. If was gaming, it often happened an hour or two into my gaming session, indicating a link to activity level. Here's where it started getting interesting. I started looking at the system temps. The CPU was warmer than it should have been (~60s C), so I purchased some more efficient cooling compound a way better cooler for it. Now it hardly goes over 40 C. Intel was even kind enough to swap it out for free, just to rule it out. Lockups continued. The graphics cards were also running pretty warm: about 60 C idling. Removing one of them seemed to improve stability a little bit...as in, it wouldn't lock up quite as frequently, but still always eventually locked up. But it didn't matter which card I used or removed, the lockups continued. I reverted back to the original motherboard, the P5K Deluxe. Lockups continued. I purchased an entirely new motherboard, eVGA's nForce 750i. Lockups continued. Ran memtest86+ over and over and over, with no errors. Even RMA'd the memory. Lockups continued. Replaced the PSU with a Corsair 750W PSU. Lockups continued. Tried disconnecting all IDE drives (HDDs are SATA). Lockups continued. Replaced both graphics cards with a single Radeon HD 4980. Average temps are now always around 50 C when idling, 60 C only when gaming. Lockups continued. Throughout the whole ordeal, the system has been upgraded from Windows XP SP3 to Vista 32-bit, to Vista 64-bit, and is now at Windows 7 64-bit. Lockups have occurred at every step along the way (each OS was in place for at least a few months before the next upgrade). Edit: By "upgrade" I mean clean install each time. In addition to those reformats, I have performed many, many other reformats of the system and a reinstall of whatever OS had been previously installed in an attempt to rectify this problem, to no avail./Edit When the system locks up, there's no blue screen, no reboot, no error message of any kind. It simply freezes in place until I hit the reset button. Very, very rarely, once Windows boots back up, the system informs me that Windows has recovered from an error, but it can never find the source aside from some piece of hardware. I've swapped out every component in this computer, and there are more fans in it than I care to count...though for the sake of completeness: top 80mm case fan (out) rear 80mm case fan (out) rear 120mm case fan (out) front 120mm case fan (in) side 250mm case fan (in) giant CPU fan on-board motherboard fan (the eVGA board) triple-fan memory setup (came with the memory) PSU internal fan another 120mm fan I stuck on the underside of the video card to keep hot air from collecting at the bottom of the case I'm truly out of ideas. ANY help at all would be oh-so-very GREATLY appreciated. Thank you!

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• Inconsistent file downloads of (what should be) the same file

  - by Austin A.

  I'm working on a system that archives large collections of timetstamped images. Part of the system deals with saving an image to a growing .zip file. This morning I noticed that the log system said that an image was successfully downloaded and placed in the zip file, but when I downloaded the .zip (from an apache alias running on our server), the images didn't match the log. For example, although the log said that camera 3484 captured on January 17, 2011, when I download from the apache alias, the downloaded zip file only contains images up to January 14. So, I sshed onto the server, and unzipped the file in its own directory, and that zip file has images from January 14 to today (January 17). What strikes me as odd is that this should be the exact same file as the one I downloaded from the apache alias. Other experiments: I scp-ed the file from the server to my local machine, and the zip file has the newer images. But when I use an SCP client (in this case, Fugu for OSX), I get the zip file for the older images. In short: unzipping a file on the server or after downloading through scp or after downloading through wget gives one zip file, but unzipping a file from Chrome, Firefox, or SCP client gives a different zip file, when they should be exactly the same. Unzipping on the server... [user@server ~]$ cd /export1/amos/images/2011/84/3484/00003484/ [user@server 00003484]$ ls -la total 6180 drwxr-sr-x 2 user groupname 24 Jan 17 11:20 . drwxr-sr-x 4 user groupname 36 Jan 11 19:58 .. -rw-r--r-- 1 user groupname 6309980 Jan 17 12:05 2011.01.zip [user@server 00003484]$ unzip 2011.01.zip Archive: 2011.01.zip extracting: 20110114_140547.jpg extracting: 20110114_143554.jpg replace 20110114_143554.jpg? [y]es, [n]o, [A]ll, [N]one, [r]ename: y extracting: 20110114_143554.jpg extracting: 20110114_153458.jpg (...bunch of files...) extracting: 20110117_170459.jpg extracting: 20110117_173458.jpg extracting: 20110117_180501.jpg Using the wget through apache alias. local:~ user$ wget http://example.com/zipfiles/2011/84/3484/00003484/2011.01.zip --12:38:13-- http://example.com/zipfiles/2011/84/3484/00003484/2011.01.zip => `2011.01.zip' Resolving example.com... ip.ip.ip.ip Connecting to example.com|ip.ip.ip.ip|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 6,327,747 (6.0M) [application/zip] 100% [=====================================================================================================>] 6,327,747 1.03M/s ETA 00:00 12:38:56 (143.23 KB/s) - `2011.01.zip' saved [6327747/6327747] local:~ user$ unzip 2011.01.zip Archive: 2011.01.zip extracting: 20110114_140547.jpg (... same as before...) extracting: 20110117_183459.jpg Using scp to grab the zip local:~ user$ scp user@server:/export1/amos/images/2011/84/3484/00003484/2011.01.zip . 2011.01.zip 100% 6179KB 475.3KB/s 00:13 local:~ user$ unzip 2011.01.zip Archive: 2011.01.zip extracting: 20110114_140547.jpg (...same as before...) extracting: 20110117_183459.jpg Using Fugu to download 2011.01.zip from /export1/amos/images/2011/84/3484/00003484/ gives images 20110113_090457.jpg through 201100114_010554.jpg Using Firefox to download 2011.01.zip from http://example.com/zipfiles/2011/84/3484/00003484/2011.01.zip gives images 20110113_090457.jpg through 201100114_010554.jpg Using Chrome gives same results as Firefox. Relevant section from apache httpd.conf: # ScriptAlias: This controls which directories contain server scripts. # ScriptAliases are essentially the same as Aliases, except that # documents in the realname directory are treated as applications and # run by the server when requested rather than as documents sent to the client. # The same rules about trailing "/" apply to ScriptAlias directives as to # Alias. # ScriptAlias /cgi-bin/ "/var/www/cgi-bin/" Alias /zipfiles/ /export1/amos/images/

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• Wordpress Permissions OS X & MAMP

  - by Matt2020

  I have installed several local versions of Wordpress for development purposes. After the install I can create posts, pages and edit admin options. However as soon as try to upload images which would be saved in wp_content/uploads I get an error: Upload Error: Unable to create directory ...../blog/wp-content/uploads/2011/05. Is its parent directory writable by the server? Looks like MAMP server runs as user _www The blog directory is owned by User1 and the group User1 _www is not in the User1 group, should it be? I do not want to chmod 777 or 765 on the directories just to get it going. Googled up a couple of references: http://codex.wordpress.org/Changing_File_Permissions in "Permission Scheme for WordPress" All files should be owned by your user (ftp) account on your web server, and should be writable by that account. On shared hosts, files should never be owned by the webserver process itself (sometimes this is www, or apache, or nobody user). Any file that needs write access from WordPress should be owned or group-owned by the user account used by the WordPress (which may be different than the server account). For example, you may have a user account that lets you FTP files back and forth to your server, but your server itself may run using a separate user, in a separate usergroup, such as dhapache or nobody. If WordPress is running as the FTP account, that account needs to have write access, i.e., be the owner of the files, or belong to a group that has write access. In the latter case, that would mean permissions are set more permissively than default (for example, 775 rather than 755 for folders, and 664 instead of 644). User and group are User1 (which is admin). Running "ps aux | grep httpd" is running as _www So I think this means Wordpress is running as user _www. So the advice seems contradictory: "files should never be owned by the webserver process" i.e. _www but then later it says "Any file that needs write access from WordPress should be owned or group-owned by the user account used by the WordPress" So isn't this _www again? Another search found this url http://dancingengineer.com/computing/2009/07/how-to-install-wordpress-on-mac-os-x-leopard States Which says: My preferred way to do this is to change the group of the wordpress directory and its contents to _www and give write permissions to the group. Keep the owner as your "username". $ cd /Users/"username"/Sites $ sudo chown -R username:_www wordpress_directory $ sudo chmod -R g+w wordpress_directory However, when I tried this, it did not work for automatic upgrades to newer versions of WordPress although it worked for automatically updating the .htaccess file for pretty permalinks. It is not entirely clear to me what should be done. This last suggestion seems to be saying change the group from User1 to _www and give the group write access, but Wordpress upgrades won't work. Is this the right solution? I would have thought there would be a clear way to set this up on OS X 10.6? Be great if there was a plugin that could run a script for each of the main OS's that Wordpress runs on.

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• How to use more than 3 virtual disks in Linux using CentOS and XenServer

  - by 010110110101

  I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it let me add all the disks. But /dev doesn't show all the disks. It shows these: /dev/xvda /dev/xvdb /dev/xvdc /dev/cdrom Perhaps it is bound by the limits of an IDE bus? (3 disks + CD-ROM) If so, how does one change the VM to use SCSI? Edit: According to the documentation: 2.6.3. VM Block Devices In the PV Linux case, block devices are passed through as PV devices. XenServer does not attempt to emulate SCSI or IDE, but instead provides a more suitable interface in the virtual environment in the form of xvd* devices. It is also possible to get an sd* device using the same mechanism, where the PV driver inside the VM takes over the SCSI device namespace. This is not desirable so it is best to use xvd* where possible for PV guests (this is the default for Debian and RHEL). For Windows or other fully virtualized guests, XenServer emulates an IDE bus in the form of an hd* device. When using Windows, installing the Citrix Tools for Virtual Machines installs a special PV driver that works in a similar way to Linux, except in the fully virtualized environment. Still, with 5 virtual disks attached, I don't see the other xvd devices. Edit #2: (attached requested info) Host Machine: XenServer 6.1 Linux version 2.6.32.43-0.4.1.xs1.6.10.777.170770xen (geeko@buildhost) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-51)) #1 SMP Wed Apr 17 05:52:03 EDT 2013 Guest Machine: CentOS release 6.4 (Final) Linux version 2.6.32-358.6.2.el6.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) ) #1 SMP Thu May 16 20:59:36 UTC 2013 Output of 'fdisk -l' on Guest Machine: Note, the disk beyond the first 3 attached are not displaying -- there should be 4 100GB disks. (There are a total of 5 disks displayed in XenCenter -- 16GB, 100GB, 100GB, 100GB, 100GB) Disk /dev/xvdb: 107.4 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xfb6c95b9 Device Boot Start End Blocks Id System /dev/xvdb1 1 13054 104856223+ 83 Linux Disk /dev/xvda: 17.2 GB, 17179869184 bytes 255 heads, 63 sectors/track, 2088 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000e5f41 Device Boot Start End Blocks Id System /dev/xvda1 * 1 64 512000 83 Linux Partition 1 does not end on cylinder boundary. /dev/xvda2 64 2089 16264192 8e Linux LVM Disk /dev/xvdc: 107.4 GB, 107374182400 bytes 255 heads, 63 sectors/track, 13054 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xed249ced Device Boot Start End Blocks Id System /dev/xvdc1 1 13054 104856223+ 83 Linux Disk /dev/mapper/vg_blue-lv_root: 14.6 GB, 14571012096 bytes 255 heads, 63 sectors/track, 1771 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_blue-lv_swap: 2080 MB, 2080374784 bytes 255 heads, 63 sectors/track, 252 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 I see that the Linux versions say SMP. The Guest VM doesn't say "xen" in the name. However, I have already run yum install kernel-xen. Could be a clue?

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• Wi-Fi Stick with ZD1211 chip refuses to work on Ubuntu >8.10. No clue.

  - by Benjamin Maus

  I have a machine running Ubuntu 9.10 (Karmic *x86_64*). Everything is running smooth so far, except for the Wi-Fi USB Stick. The same device worked perfectly in 8.10. The wireless device is a GW-US54GXS using the Zydas Zd1211 chipset. Dmesg output after plugging in: [ 196.303436] phy0: Selected rate control algorithm 'minstrel' [ 196.304209] zd1211rw 2-1:1.0: phy0 [ 196.304227] usbcore: registered new interface driver zd1211rw [ 196.334137] usb 2-1: firmware: requesting zd1211/zd1211b_ub [ 196.357463] usb 2-1: firmware: requesting zd1211/zd1211b_uphr [ 196.402643] zd1211rw 2-1:1.0: firmware version 4725 [ 196.442611] zd1211rw 2-1:1.0: zd1211b chip 2019:5303 v4810 high 00-90-cc AL2230_RF pa0 ---N- [ 196.463814] usb 2-1: firmware: requesting zd1211/zd1211b_ub [ 196.466823] usb 2-1: firmware: requesting zd1211/zd1211b_uphr Syslog output: Nov 5 11:20:24 somesystem kernel: [ 196.303436] phy0: Selected rate control algorithm 'minstrel' Nov 5 11:20:24 kierkegaard NetworkManager: <info> Found radio killswitch rfkill0 (at /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/ieee80211/phy0/rfkill0) (driver <unknown>) Nov 5 11:20:24 somesystem kernel: [ 196.304209] zd1211rw 2-1:1.0: phy0 Nov 5 11:20:24 somesystem kernel: [ 196.304227] usbcore: registered new interface driver zd1211rw Nov 5 11:20:24 somesystem NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/net/wmaster0, iface: wmaster0) Nov 5 11:20:24 somesystem NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/net/wmaster0, iface: wmaster0): no ifupdown configuration found. Nov 5 11:20:24 somesystem NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/net/wlan0, iface: wlan0) Nov 5 11:20:24 somesystem NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/2-1:1.0/net/wlan0, iface: wlan0): no ifupdown configuration found. Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): driver supports SSID scans (scan_capa 0x01). Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): new 802.11 WiFi device (driver: 'zd1211rw') Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/2 Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): now managed Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): device state change: 1 -> 2 (reason 2) Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): bringing up device. Nov 5 11:20:24 somesystem kernel: [ 196.334137] usb 2-1: firmware: requesting zd1211/zd1211b_ub Nov 5 11:20:24 somesystem kernel: [ 196.357463] usb 2-1: firmware: requesting zd1211/zd1211b_uphr Nov 5 11:20:24 somesystem kernel: [ 196.402643] zd1211rw 2-1:1.0: firmware version 4725 Nov 5 11:20:24 somesystem kernel: [ 196.442611] zd1211rw 2-1:1.0: zd1211b chip 2019:5303 v4810 high 00-90-cc AL2230_RF pa0 ---N- Nov 5 11:20:24 somesystem NetworkManager: <WARN> nm_device_hw_bring_up(): (wlan0): device not up after timeout! Nov 5 11:20:24 somesystem NetworkManager: <info> (wlan0): deactivating device (reason: 2). Nov 5 11:20:24 somesystem kernel: [ 196.463814] usb 2-1: firmware: requesting zd1211/zd1211b_ub Nov 5 11:20:24 somesystem kernel: [ 196.466823] usb 2-1: firmware: requesting zd1211/zd1211b_uphr Nov 5 11:20:29 somesystem wpa_supplicant[978]: Could not set interface 'wlan0' UP Nov 5 11:20:29 somesystem wpa_supplicant[978]: Failed to initialize driver interface Nov 5 11:20:29 somesystem NetworkManager: <WARN> nm_supplicant_interface_add_cb(): Unexpected supplicant error getting interface: wpa_supplicant couldn't grab this interface. Gnome tells me in the network menu that the device was "not ready". It appears in iwconfig but not in ifconfig. The same symptoms appear when I boot from the live CD. How can I solve this dilemma?

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• How do I reset/update my BIOS for Optiplex GX280?

  - by Sam Langlhey

  So far this has been a nightmare for me, which has been frustrating me constantly. I am using Dell Optiplex GX280 with Windows XP home edition, which is running a BIOS version A04. Recently, i've rebooted the pc to find out that its not booting. It will get to the Windows boot up screen with the progress bar but only to restart to the same process again, over and over. Frustrated that I am, i've inserted the Windows recovery CD to at least either repair of reinstall the operating system to find out that was not possible. I hit F8 to have the boot options, each of the boot option that I've selected gave me an error saying: "Selected boot device is not available." Right after that, I went to the BIOS setting and did a diagnostic test, which recognized all the Boot devices onboard. Now, I cannot even repair of reinstall Windows XP, because the system is not booting from none of the boot devices. The surprise is when I removed the hard-drive from the computer and loaded it on into another computer successfully; that's right, there is nothing wrong with the hard drive. After that I was totally puzzled. I found a few pointers online saying that the BIOS start-up block might be corrupted itself and I might need to flash/update the BIOS. I found the detailed instruction on how to create a Boot up disk by downloading the BIOS firmware from the manufacture's website. I did exactly as instructed below: Download the latest version or your choose version of BIOS file for your computer or motherboard from the manufacturer’s support site. Rename the downloaded file to AMIBOOT.ROM. Copy the file to a floppy disk. Insert the floppy disk to the floppy drive. Turn on the system. After I did that and powered on the PC to boot from the floppy drive, it gave me this error message: "Non-System Disk or Disk Error. Replace and Strike any key when ready." I did all that, and I kept on pressing [Ctrl]+[Home] to force it, but it did not did any satisfying result. Desperate as I am, my next attempt is to try the instruction below. Since I want to be ready, in the event it does not work, do you have any solution that you can provide? Please keep in mind that I cannot boot from any of the devices at this moment. My only hope now is to come on with a solution that will work through the Floppy drive, since that's the only drive that affected. Thank you very much for your advice and support in advance. To create a Windows startup disk, insert a floppy disk into the drive of a similarly configured, working Windows XP system, launch My Computer, right-click the floppy disk icon, and select the Format command from the context menu. When you see the Format dialog box, leave all the default settings as they are and click the Start button. Once the format operation is complete, close the Format dialog box to return to My Computer, double-click the drive C icon to access the root directory, and copy the following three files to the floppy disk: Boot.ini NTLDR Ntdetect.com

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• Setup access to SAS RAID drives with NTFS partitions on CentOS Machine

  - by Quanano

  We have a Dell Poweredge 2900 system with Adaptec 39320A SCSI CONTROLLER CARD and 4 SAS hard drives attached, with NTFS partitions on them. We installed CentOS on the other raid array with a different controller and it is working fine. We are now trying to access the drives shown above and they are not being shown in /dev as sdb, etc. sda is the drive that we installed centos on and it has sda1, sda2, sda3, etc. The CDROM has been picked up as well. If I scan for scsi devices then the perc and adaptec controllers are both found. sg0 is the CDROM and sg2 is the centos installed, however I think sg1 is the other drive but I cannot see anyway to mount the partitions, as only the drive is listed in /dev. Thanks. EXTRA INFO fdisk -l Disk /dev/sda: 72.7 GB, 72746008576 bytes 255 heads, 63 sectors/track, 8844 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x11e3119f Device Boot Start End Blocks Id System /dev/sda1 * 1 64 512000 83 Linux Partition 1 does not end on cylinder boundary. /dev/sda2 64 8845 70528000 8e Linux LVM Disk /dev/mapper/vg_lal2server-lv_root: 34.4 GB, 34431041536 bytes 255 heads, 63 sectors/track, 4186 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_lal2server-lv_root doesn't contain a valid partition table Disk /dev/mapper/vg_lal2server-lv_swap: 21.1 GB, 21139292160 bytes 255 heads, 63 sectors/track, 2570 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_lal2server-lv_swap doesn't contain a valid partition table Disk /dev/mapper/vg_lal2server-lv_home: 16.6 GB, 16647192576 bytes 255 heads, 63 sectors/track, 2023 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/vg_lal2server-lv_home doesn't contain a valid partition table These are all from the install hdd not the additional hard drives modprobe a320raid FATAL: Module a320raid not found. lsscsi -v [0:0:0:0] cd/dvd TSSTcorp CDRWDVD TS-H492C DE02 /dev/sr0 dir: /sys/bus/scsi/devices/0:0:0:0 [/sys/devices/pci0000:00/0000:00:1f.1/host0/target0:0:0/0:0:0:0] [4:0:10:0] enclosu DP BACKPLANE 1.05 - dir: /sys/bus/scsi/devices/4:0:10:0 [/sys/devices/pci0000:00/0000:00:05.0/0000:01:00.0/0000:02:0e.0/host4/target4:0:10/4:0:10:0] [4:2:0:0] disk DELL PERC 5/i 1.03 /dev/sda dir: /sys/bus/scsi/devices/4:2:0:0 [/sys/devices/pci0000:00/0000:00:05.0/0000:01:00.0/0000:02:0e.0/host4/target4:2:0/4:2:0:0] . lsmod Module Size Used by fuse 66285 0 des_generic 16604 0 ecb 2209 0 md4 3461 0 nls_utf8 1455 0 cifs 278370 0 autofs4 26888 4 ipt_REJECT 2383 0 ip6t_REJECT 4628 2 nf_conntrack_ipv6 8748 2 nf_defrag_ipv6 12182 1 nf_conntrack_ipv6 xt_state 1492 2 nf_conntrack 79453 2 nf_conntrack_ipv6,xt_state ip6table_filter 2889 1 ip6_tables 19458 1 ip6table_filter ipv6 322029 31 ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6 bnx2 79618 0 ses 6859 0 enclosure 8395 1 ses dcdbas 9219 0 serio_raw 4818 0 sg 30124 0 iTCO_wdt 13662 0 iTCO_vendor_support 3088 1 iTCO_wdt i5000_edac 8867 0 edac_core 46773 3 i5000_edac i5k_amb 5105 0 shpchp 33482 0 ext4 364410 3 mbcache 8144 1 ext4 jbd2 88738 1 ext4 sd_mod 39488 3 crc_t10dif 1541 1 sd_mod sr_mod 16228 0 cdrom 39771 1 sr_mod megaraid_sas 77090 2 aic79xx 129492 0 scsi_transport_spi 26151 1 aic79xx pata_acpi 3701 0 ata_generic 3837 0 ata_piix 22846 0 radeon 1023359 1 ttm 70328 1 radeon drm_kms_helper 33236 1 radeon drm 230675 3 radeon,ttm,drm_kms_helper i2c_algo_bit 5762 1 radeon i2c_core 31276 4 radeon,drm_kms_helper,drm,i2c_algo_bit dm_mirror 14101 0 dm_region_hash 12170 1 dm_mirror dm_log 10122 2 dm_mirror,dm_region_hash dm_mod 81500 11 dm_mirror,dm_log

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• ovs-vsctl: "eth0" is not a valid UUID

  - by Przemek Lach

  I'm trying to setup an open v-switch inside my Ubuntu 12.04 Server VM. I have created three interfaces for this VM and I want to create a port mirror inside of the VM using these there interfaces and open v-switch. There are three Host-Only Adapters: eth0, eth1, eth2. The idea is that three other VM's will be connected to these adapters. One of these VM's will stream UDP video to eth0 and I want the vswitch'd VM to mirror those packets from eth0 onto eth1 and eth2. Each of the VM's connected to eth1 and eth2 will get the same video stream. I performed the following steps to install open v-switch: $ apt-get install python-simplejson python-qt4 python-twisted-conch automake autoconf gcc uml-utilities libtool build-essential $ apt-get install build-essential autoconf automake pkg-config $ wget http://openvswitch.org/releases/openvswitch-1.7.1.tar.gz $ tar xf http://openvswitch.org/releases/openvswitch-1.7.1.tar.gz $ cd http://openvswitch.org/releases/openvswitch-1.7.1.tar.gz $ apt-get install libssl-dev iproute tcpdump linux-headers-`uname -r` $ ./boot.sh $ ./configure - -with-linux=/lib/modules/`uname -r`/build $ make $ sudo make install After installation I configured as follows: $ insmod datapath/linux/openvswitch.ko $ sudo touch /usr/local/etc/ovs-vswitchd.conf $ mkdir -p /usr/local/etc/openvswitch $ ovsdb-tool create /usr/local/etc/openvswitch/conf.db Then I started the server: $ ovsdb-server /usr/local/etc/openvswitch/conf.db \ --remote=punix:/usr/local/var/run/openvswitch/db.sock \ --remote=db:Open_vSwitch,manager_options \ --private-key=db:SSL,private_key \ --certificate=db:SSL,certificate \ --bootstrap-ca-cert=db:SSL,ca_cert --pidfile --detach --log-file $ ovs-vsctl –no-wait init (run only once) $ ovs-vswitchd --pidfile --detach The above steps I got from this tutorial and it all worked fine. I then proceeded to add a port mirror based on the open v-switch documentation under Port Mirroring. I successfully completed the following commands: $ ovs-vsctl add-br br0 $ ovs-vsctl add-port br0 eth0 $ ovs-vsctl add-port br0 eth1 $ ovs-vsctl add-port br0 eth2 $ ifconfig eth0 promisc up $ ifconfig eth1 promisc up $ ifconfig eth2 promisc up At this point when I run ovs-vsctl show I get the following: 75bda8c2-b870-438b-9115-e36288ea1cd8 Bridge "br0" Port "br0" Interface "br0" type: internal Port "eth0" Interface "eth0" Port "eth2" Interface "eth2" Port "eth1" Interface "eth1" And when I run ifconfig I get the following: eth0 Link encap:Ethernet HWaddr 08:00:27:9f:51:ca inet6 addr: fe80::a00:27ff:fe9f:51ca/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:17 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1494 (1.4 KB) TX bytes:468 (468.0 B) eth1 Link encap:Ethernet HWaddr 08:00:27:53:02:d4 inet6 addr: fe80::a00:27ff:fe53:2d4/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:17 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1494 (1.4 KB) TX bytes:468 (468.0 B) eth2 Link encap:Ethernet HWaddr 08:00:27:cb:a5:93 inet6 addr: fe80::a00:27ff:fecb:a593/64 Scope:Link UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 RX packets:17 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1494 (1.4 KB) TX bytes:468 (468.0 B) eth3 Link encap:Ethernet HWaddr 08:00:27:df:bb:d8 inet addr:192.168.1.139 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::a00:27ff:fedf:bbd8/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:2211 errors:0 dropped:0 overruns:0 frame:0 TX packets:1196 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:182987 (182.9 KB) TX bytes:125441 (125.4 KB) NOTE: I use eth3 as a bridge adapter for SSH'ing into the VM. So now, I think I've done everything correctly but when I try to create the bridge using the following command: $ ovs-vsctl -- set Bridge br0 mirrors=@m -- --id=@eth0 get Port eth0 -- --id=@eth1 get Port eth1 -- --id=@m create Mirror name=app1Mirror select-dst-port=eth0 select-src-port=@eth0 output-port=@eth1,eth2 I get the following error: ovs-vsctl: "eth0" is not a valid UUID I don't understand why it's not able to find the interfaces?

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• Set up lnux box for hosting a-z [apache mysql php ssl]

  - by microchasm

  I am in the process of reinstalling the OS on a machine that will be used to host a couple of apps for our business. The apps will be local only; access from external clients will be via vpn only. The prior setup used a hosting control panel (Plesk) for most of the admin, and I was looking at using another similar piece of software for the reinstall - but I figured I should finally learn how it all works. I can do most of the things the software would do for me, but am unclear on the symbiosis of it all. This is all an attempt to further distance myself from the land of Configuration Programmer/Programmer, if at all possible. I can't find a full walkthrough anywhere for what I'm looking for, so I thought I'd put up this question, and if people can help me on the way I will edit this with the answers, and document my progress/pitfalls. Hopefully someday this will help someone down the line. The details: CentOS 5.5 x86_64 httpd: Apache/2.2.3 mysql: 5.0.77 (to be upgraded) php: 5.1 (to be upgraded) The requirements: SECURITY!! Secure file transfer Secure client access (SSL Certs and CA) Secure data storage Virtualhosts/multiple subdomains Local email would be nice, but not critical The Steps: Download latest CentOS DVD-iso (torrent worked great for me). Install CentOS: While going through the install, I checked the Server Components option thinking I was going to be using another Plesk-like admin. In hindsight, considering I've decided to try to go my own way, this probably wasn't the best idea. Basic config: Setup users, networking/ip address etc. Yum update/upgrade. Upgrade PHP: To upgrade PHP to the latest version, I had to look to another repo outside CentOS. IUS looks great and I'm happy I found it! cd /tmp #wget http://dl.iuscommunity.org/pub/ius/stable/Redhat/5/x86_64/epel-release-1-1.ius.el5.noarch.rpm #rpm -Uvh epel-release-1-1.ius.el5.noarch.rpm #wget http://dl.iuscommunity.org/pub/ius/stable/Redhat/5/x86_64/ius-release-1-4.ius.el5.noarch.rpm #rpm -Uvh ius-release-1-4.ius.el5.noarch.rpm yum list | grep -w \.ius\. [will list all packages available in the IUS repo] rpm -qa | grep php [will list installed packages needed to be removed. the installed packages need to be removed before you can install the IUS packages otherwise there will be conflicts] #yum shell >remove php-gd php-cli php-odbc php-mbstring php-pdo php php-xml php-common php-ldap php-mysql php-imap Setting up Remove Process >install php53 php53-mcrypt php53-mysql php53-cli php53-common php53-ldap php53-imap php53-devel >transaction solve >transaction run Leaving Shell #php -v PHP 5.3.2 (cli) (built: Apr 6 2010 18:13:45) This process removes the old version of PHP and installs the latest. To upgrade mysql: Pretty much the same process as above with PHP #/etc/init.d/mysqld stop [OK] rpm -qa | grep mysql [installed mysql packages] #yum shell >remove mysql mysql-server Setting up Remove Process >install mysql51 mysql51-server mysql51-devel >transaction solve >transaction run Leaving Shell #service mysqld start [OK] #mysql -v Server version: 5.1.42-ius Distributed by The IUS Community Project And this is where I'm at. I will keep editing this as I make progress. Any tips on how to Configure Virtualhosts for SSL, setting up a CA, setting up SFTP with openSSH, or anything else would be appreciated.

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• How can I make subversion reset the stored passwords/users and remember my authentication credential

  - by NicDumZ

  Hello folks! Background: I used to have everything working just fine on my fresh install: $ svn co https://domain:443/ test1 Error validating server certificate for 'https://domain:443': - The certificate is not issued by a trusted authority. Use the fingerprint to validate the certificate manually! Certificate information: - Hostname: **REMOVED** - Valid: **REMOVED** - Issuer: **REMOVED** - Fingerprint: **checked with issuer and REMOVED** (R)eject, accept (t)emporarily or accept (p)ermanently? p Authentication realm: <https://domain:443> Subversion repository Password for 'nicdumz-machine-hostname': Authentication realm: <https://domain:443> Subversion repository Username: nicdumz Password for 'nicdumz': # proceeds to checkout correctly $ svn co https://domain:443/ test2 # checkouts nicely, without asking for my password. At some point I needed to commit stuff using a different account. So I did that $ svn ci --username other.user Authentication realm: <https://domain:443> Subversion repository Password for 'other.user': # works fine But since then, everytime I want to commit as 'nicdumz' (default user, all repos have been checked-out with that user), it prompts me for my password: $ svn ci Authentication realm: <https://domain:443> Subversion repository Password for 'nicdumz': Hey come on, why :) The same happens if I want a fresh checkout, since read-access is also protected. So I tried fixing the issue by myself. I read around that ~/.subversion/auth was storing credentials, so I removed it from the way: $ cd ~/.subversion $ mv auth oldauth $ mkdir auth It seemed to work at first, because svn had forgotten about certificate validation: $ svn co https://domain:443/ test3 Error validating server certificate for 'https://domain:443': - The certificate is not issued by a trusted authority. Use the fingerprint to validate the certificate manually! Certificate information: - Hostname: **REMOVED** - Valid: **REMOVED** - Issuer: **REMOVED** - Fingerprint: **checked with issuer and REMOVED** (R)eject, accept (t)emporarily or accept (p)ermanently? p Authentication realm: <https://domain:443> Subversion repository Password for 'nicdumz-machine-hostname': Authentication realm: <https://domain:443> Subversion repository Username: nicdumz Password for 'nicdumz': # proceeds to checkout correctly $ svn up Authentication realm: <https://domain:443> Subversion repository Password for 'nicdumz': What? how is this happening? If you have suggestions to investigate more about the behaviour, I am very interested. If I'm correct, there is no way to do a verbose svn up or anything of the like, so I'm not sure should I go for investigation. Oh, and for what it's worth: $ svn --version svn, version 1.6.6 (r40053) compiled Oct 26 2009, 06:19:08 Copyright (C) 2000-2009 CollabNet. Subversion is open source software, see http://subversion.tigris.org/ This product includes software developed by CollabNet (http://www.Collab.Net/). The following repository access (RA) modules are available: * ra_neon : Module for accessing a repository via WebDAV protocol using Neon. - handles 'http' scheme - handles 'https' scheme * ra_svn : Module for accessing a repository using the svn network protocol. - with Cyrus SASL authentication - handles 'svn' scheme * ra_local : Module for accessing a repository on local disk. - handles 'file' scheme * ra_serf : Module for accessing a repository via WebDAV protocol using serf. - handles 'http' scheme - handles 'https' scheme

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• How to install Delorme StreetAtlas (any version) + GPS inside VirtualBox VM?

  - by hotei

  When I try to run the install program I get a popup message that says the installer program is not a valid executable. Background: I want a GPS with maps on my laptop running Ubuntu 10.4LTS. Unfortunately I can't find a decent native Linux GPS solution with 50 state US street level coverage. I have VirtualBox VMs available for WinXP and Win7 (among others). The VMs work fine with MicroSoft Streets and Trips (2010) and MapNGo 5 (a very! old Delorme product), but while both these products support GPS, they don't support the Earthmate LT-40 USB GPS I already have. I've got pretty much every Delorme Street Atlas they've released in the last decade and none of them will install in a VM. Any help would be much appreciated. Clarification: I've installed the Delorme products from these CDs before and the disks are fine - as long as installation is done on a "physical" machine. Added: I've tried install from an iso as well as the real CD. No difference in result (setup.exe is not a valid executable) The WinXP is SP-2 (held back on purpose at this point - I'll snapshot and fork a later SP to test). The Win2K is SP-6a. Win7(32) VM is whatever updates came out last week. The USB setup is working at least to the point where the GPS device is active in the device list (has an x in the box). At this point its not relevant because the program that needs to read it can't even be installed. Added 9-19: Added wine as harrymc suggested. Initial result was no change. Here's wines error message. The file '/media/Disk1/setup.exe' is not marked as executable. If this was downloaded or copied form an untrusted source, it may be dangerous to run. For more details, read about the executable bit. At first I thought the execute bit was the problem, but looking at several other windows CDs I see that the execute bit is not set on their exe files (which install to VM without error). Still it was worth a shot so I copied the StreetAtlas 9 DVD to my hard disk, changed the on-disk exe files to have the execute bit set and tried to install again. This time the install via wine got me through the installation process. When I start the program it bombs immediately, so we haven't made much real progress so far. I very much prefer the VM solution to wine, so I'm going back to that for now. To recap the VM situation, using an updated XP with SP3 and all recommended hotfixes: StreetAtlas 2009 USA fails with "not marked as executable". StreetAtlas 2007 USA fails with "not marked as executable". StreetAtlas 9 (copyright 2001) fails with "not marked as executable". SteeetAtlas (copyright 1991) fails with "not marked as executable" Delorme Topo 4 (copyright 2002) fails with "not marked as executable". Just about ready to give up. So I switched from XP VM to Win7 VM and tried StreetAtlas 2009 again. This time it installs. Earthmate USB GPS works. WTH? I feel like the monkey who just wrote a line of Shakespear. I'm smiling because it worked, but I have no clue why. I'm awarding the bounty to harrymc because wine did give some useful insight into the problem and a +1 to goyiux as thanks for helping.

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• My PC suddenly doesn't detect the primary drive (SSD)

  - by smoth190

  My computer has been working fine for months, and it worked today, but tonight I went to start it up to find that my OCZ Vertex 2 isn't being found. When I turn on my computer, the loading screen gets stuck at "Detecting IDE drives...". After a while, it keeps going and lists the drives it finds. The first one in the list should be my Vertex 2, but it just says "None". The computer proceeds to get stuck on "Loading operating system...", which is understandable because the drive with the OS is "gone". My first thought was drive failure, but every time drives have crashed on me, they're still detected--they just don't work. This drive is an SSD, it's pretty new, and I had no problems beforehand. I find it hard to believe it failed. I'm sure it's possible, but I hope this isn't the case. There has been nothing strange going on at all with my PC, it's been running perfect until now. I was just about to do my monthly dskchk and defrag today. I popped in my Windows 7 Home Premium disk and booted from it. When I launched the repair tool, it didn't list any operating systems (because the drive is 100% missing...). When I've had disks crash before, it still listed the OS, you just couldn't do anything with it. I tried to restore from an image, but I don't have any of those, either. I opened the command console and listed the drivers with wmic logicaldisk get name. Only C: and D: came up. C: was my 1TB storage driver (luckily, all my stuff is here--only the OS is on the SSD!) and D: was the disk driver. So I still had an MIA drive... The SSD didn't come with any driver disks, so I can't install drivers. If there's a way to do this from a CD I can burn with my other PC, please let me know. What the heck do I do? Although only the OS is on my SSD, a new SSD is expensive. I'll probably also have to buy a new copy of Windows (an upgrade would be nice, though...) because I've found it eats my registration key when my PC crashes (and my thousands of dollars of Adobe programs, I'll be on the phone with tech support for a week to get those keys back). And I'll lose my registry, all my settings, all sorts of other stuff that I'll spend weeks restoring. My computer is a pain in the butt to take out and open up, so if I can't fix it, I'll try fiddling with the plug or putting it into a new computer, but not right now. Any help is greatly appreciated! The day when they make crash-less drives will be the day I live without worry.

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• how to install 'version.h' in ubuntu ?

  - by user252098

  Just now , I try to install the Jungo WinDriver in the Ubuntu 13.10 . But I am puzzled by the its manual of how to Install version.h : Install version.h: The file version.h is created when you first compile the Linux kernel source code. Some distributions provide a compiled kernel without the file version.h. Look under /usr/src/linux/include/linux to see whether you have this file. If you do not, follow these steps: Become super user: $ su Change directory to the Linux source directory: # cd /usr/src/linux Type: # make xconfig Save the configuration by choosing Save and Exit. Type: # make dep Exit super user mode: # exit But the shell says: warning: make dep is unnecessary now. Then, I found out there is a version.h in /usr/src/linux-headers-3.11.0.12-generic, so I type: /usr/src/windriver/redist# ./configure --with-kernel-source=/usr/src/linux-headers-3.11.0.12-generic But, the windriver run fails: USE_KBUILD = yes checking for cpu architecture... x86_64 checking for WinDriver root directory... /usr/src/WinDriver checking for linux kernel source... found at /usr/src/linux checking for lib directory... ln -sf $(ROOT_DIR)/lib/$(SHARED_OBJECT)_32.so /usr/lib/$(SHARED_OBJECT).so; ln -s /usr/lib /usr/lib64; ln -sf $(ROOT_DIR)/lib/$(SHARED_OBJECT).so /usr/lib64/$(SHARED_OBJECT).so checking which directories to include... -I/usr/src/linux/include checking linux kernel version... 3.11.10.6 checking for modules installation directory... /lib/modules/3.11.0-12-generic/kernel/drivers/misc checking output directory... LINUX.3.11.0-12-generic.x86_64 checking target... LINUX.3.11.0-12-generic.x86_64/windrvr6_usb.ko checking for regparm kernel option... find: `/usr/src/WinDriver/redist/.tmp_driver/.tmp_versions': No such file or directory 0 checking for modpost location... /usr/src/linux/scripts/mod/modpost configure.usb: creating ./config.status config.status: creating makefile.usb.kbuild checking for cpu architecture... x86_64 checking for WinDriver root directory... /usr/src/WinDriver checking for linux kernel source... found at /usr/src/linux checking for lib directory... ln -sf $(ROOT_DIR)/lib/$(SHARED_OBJECT)_32.so /usr/lib/$(SHARED_OBJECT).so; ln -s /usr/lib /usr/lib64; ln -sf $(ROOT_DIR)/lib/$(SHARED_OBJECT).so /usr/lib64/$(SHARED_OBJECT).so checking which directories to include... -I/usr/src/linux/include checking linux kernel version... 3.11.10.6 checking for modules installation directory... /lib/modules/3.11.0-12-generic/kernel/drivers/misc checking output directory... LINUX.3.11.0-12-generic.x86_64 checking target... LINUX.3.11.0-12-generic.x86_64/windrvr6.ko checking for regparm kernel option... find: `/usr/src/WinDriver/redist/.tmp_driver/.tmp_versions': No such file or directory 0 checking for right linked object... windrvr_gcc_v3.a checking for modpost location... /usr/src/linux/scripts/mod/modpost configure.wd: creating ./config.status config.status: creating makefile.wd.kbuild What is the problem?

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• WiX unresolved reference error

  - by David

  I'm using Wix version 3.0.5419.0. I have two .wxs files, one which is a fragment, and another which uses the fragment to create the .msi file. Here is the file which uses the fragment (DaisyFarmer.wxs): <?xml version='1.0' encoding='windows-1252'?> <Wix xmlns='http://schemas.microsoft.com/wix/2006/wi' xmlns:iis='http://schemas.microsoft.com/wix/IIsExtension'> <Product Name='Daisy Web Site 1.0' Id='BB7FBBE4-0A25-4cc7-A39C-AC916B665220' UpgradeCode='8A5311DE-A125-418f-B0E1-5A30B9C667BD' Language='1033' Codepage='1252' Version='1.0.0' Manufacturer='the man'> <Package Id='5F341544-4F95-4e01-A2F8-EF74448C0D6D' Keywords='Installer' Description="desc" Manufacturer='the man' InstallerVersion='100' Languages='1033' Compressed='yes' SummaryCodepage='1252' /> <Media Id='1' Cabinet='Sample.cab' EmbedCab='yes' DiskPrompt="CD-ROM #1" /> <Property Id='DiskPrompt' Value="the man" /> <PropertyRef Id="NETFRAMEWORK35"/> <Condition Message='This setup requires the .NET Framework 3.5.'> <![CDATA[Installed OR (NETFRAMEWORK35)]]> </Condition> <Feature Id='DaisyFarmer' Title='DaisyFarmer' Level='1'> <ComponentRef Id='SchedulerComponent' /> </Feature> </Product> </Wix> The fragment I'm referencing is (Scheduler.wxs): <?xml version="1.0" encoding="utf-8"?> <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"> <Fragment> <DirectoryRef Id="TARGETDIR"> <Directory Id="dir2787390E4B7313EB8005DE08108EFEA4" Name="scheduler"> <Component Id="SchedulerComponent" Guid="{9254F7E1-DE41-4EE5-BC0F-BA668AF051CB}"> <File Id="fil9A013D0BFB837BAC71FED09C59C5501B" KeyPath="yes" Source="SourceDir\DTBookMonitor.exe" /> <File Id="fil4F0D8D05F53E6AFBDB498E7C75C2D98F" KeyPath="no" Source="SourceDir\DTBookMonitor.exe.config" /> <File Id="filF02F4686267D027CB416E044E8C8C2FA" KeyPath="no" Source="SourceDir\monitor.bat" /> <File Id="fil05B8FF38A3C85FE6C4A58CD6FDFCD2FB" KeyPath="no" Source="SourceDir\output.txt" /> <File Id="fil397F04E2527DCFDF7E8AC1DD92E48264" KeyPath="no" Source="SourceDir\pipelineOutput.txt" /> <File Id="fil83DFACFE7F661A9FF89AA17428474929" KeyPath="no" Source="SourceDir\process.bat" /> <File Id="fil2809039236E0072642C52C6A52AD6F2F" KeyPath="no" Source="SourceDir\README.txt" /> </Component> </Directory> </DirectoryRef> </Fragment> </Wix> I then run the following commands: candle -ext WixUtilExtension -ext WiXNetFxExtension DaisyFarmer.wxs Scheduler.wxs light -sice:ICE20 -ext WixUtilExtension -ext WiXNetFxExtension Scheduler.wixobj DaisyFarmer.wixobj -out DaisyFarmer.msi I'm getting an error when I run light.exe which says "DaisyFarmer.wxs(20) : error LGHT0094 : Unresolved reference to symbol 'Component:SchedulerComponent' in section 'Product:{BB7FBBE4-0A25-4CC7-A39C-AC916B665220}'." What am I missing?

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