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  • Windows 7 boot problem (with colorful blinking smilies)

    - by Ishmael Smyrnow
    I put my computer (Windows 7) to sleep, and a couple hours later, tried to wake it back up, but the monitor wouldn't come back on. I did a hard reset (held power button), but I still couldn't get the monitor to show anything. I plugged it into my laptop, and the monitor works fine. I then swapped out the video card with an older one I have. The monitor came on and started showing the boot process. However, shortly after the Windows 7 animated logo came up, the screen went blank, it made this weird beeping noise, and I seen the strangest thing ever. Small, colorful blocks started to fill my screen, and flash, as if something was loading. Inside of those blocks, were smilies (like the ASCII character kind). This continued for about a minute, then the computer rebooted. It scared the sh!t out of me. I've never had a virus before, and I'm savvy enough to keep myself from one, but I'm wondering if that's what it was. I've been using computers for ages, and never seen anything quite like this. Has anyone ever seen something like this? I'm doing hardware diagnostics before trying to boot into Windows again. Hopefully I can figure this out, but I thought I would consult the SU community while I wait on these results. -- UPDATE -- I did a Memory Diagnostic, which turned up nothing. I also booted into Safe Mode no problem, and scheduled a disk check on both of my drives (I dual boot XP & 7). I was feeling good, and tried putting my regular video card back in, and the monitor won't display anything with it. Also, even though the monitor displays nothing, the system sounds like it's booting up. However, I hear a clicking in one of my hard drives that isn't there with the older video card. Could this be a problem with my hard drive, video card, or PSU? PSU makes sense, except for the fact I've been using the same setup for over a year, and the video card doesn't require it's own power plug thing.

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  • Passive FTP on Windows Server 2008 R2 using the IIS7 FTP-Server

    - by ntor
    Hello serverFault-community! During the last few days I have been setting up a Windows Server 2008 R2 in a VMware. I installed the standard FTP-Server on it by using the Webserver (IIS)-role. Everything works fine with accessing my FTP-Site with ftp://localhost in Firefox. I can also get access to it via the local IP of my Server. Actually everything works fine in my LAN. But here's my problem: I want to get access "from outside", using the external IP or a dyndns-URL. I have a LinkSys-Router in front of my Server, therefore I'm forwarding all the important ports. If you may now think "this idiot has probably forgotten some ports", I must dissappoint you. It even works getting access to my Server-Website and messing around in some WebInterfaces. The problem is my passive FTP (active works for me). I always get a timeout, when e.g. FileZilla waits for a response to the LIST-command. The one big thing I don't get, is, why my Server sends a response to the PASV-command, naming a port like 40918, even if I have restricted the data port range for my passive FTP ( in the IIS-Manager) to e.g. [5000-5009]. I simply don't want to open and forward all possible data ports! And another thing is, I can't specify a static external IP-adress for my server, since I don't own any. I hope I have explained my problem in a comprehensible way. If not, simply ask by posting a comment! LG ntor PS: I have already mainly tried following articles: Out Of Band FTP 7 shows "Operation timed out" How to Configure Windows Firewall for a Passive Mode FTP Server ServerFault --- Passive ftp on Server 2008 --- EDIT: --- There is one idea rising up in my mind: When I use FileZilla to connect by passive mode I always get something like this: 227 Entering Passive Mode (192,168,1,102,160,86) According to a Rhinosof-article FZ tries to connect on port "160*256+86 = 41046", although I have restricted the data ports (as mentioned above). Could this be caused by the router, that doesn't forward out-ports directly, but uses different ones? (-- The IP-Adress given is the local one, since I'm not able to define a static external in the IIS-Mgr)

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  • Access denied to mysql cause by invalid server hostname bind address

    - by Mark
    I cannot login to mysql using the terminal. [root@fst mysql]# mysql -h localhost -u admin -p Enter password: ERROR 1045 (28000): Access denied for user 'admin'@'localhost' (using password: YES) I am sure I have the correct password. The mysql is also running when I check status. The mysql database is also present in the directory /var/lib/mysql/. The host host.myi, host.myd and host.frm are present. By the way this a related to question on my previous problem MySQL server quit without updating PID file . Initially the problem arise when the root directory was full. To be able to login to directadmin and start mysql, I added a soft link of the /var/lib/mysql/ to /home/mysql. Since my database used up the most of the root directory. The root directory has 50Gb and /home has 1.5Gb. Somehow the /var/lib/mysql/idbdata1 is corrupted. So I move it to another location. Now, I can start the mysql server but I cannot login into it. Below are the contents from the myql logs. 121212 20:44:10 mysqld_safe mysqld from pid file /var/lib/mysql/fst.srv.net.pid ended 121212 20:44:10 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 121212 20:44:10 [Note] Plugin 'FEDERATED' is disabled. 121212 20:44:10 InnoDB: The InnoDB memory heap is disabled 121212 20:44:10 InnoDB: Mutexes and rw_locks use GCC atomic builtins 121212 20:44:10 InnoDB: Compressed tables use zlib 1.2.3 121212 20:44:10 InnoDB: Using Linux native AIO 121212 20:44:10 InnoDB: Initializing buffer pool, size = 128.0M 121212 20:44:10 InnoDB: Completed initialization of buffer pool 121212 20:44:10 InnoDB: highest supported file format is Barracuda. 121212 20:44:11 InnoDB: Waiting for the background threads to start 121212 20:44:12 InnoDB: 1.1.8 started; log sequence number 1595675 121212 20:44:12 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306 121212 20:44:12 [Note] - '0.0.0.0' resolves to '0.0.0.0'; 121212 20:44:12 [Note] Server socket created on IP: '0.0.0.0'. 121212 20:44:12 [Note] Event Scheduler: Loaded 0 events 121212 20:44:12 [Note] /usr/sbin/mysqld: ready for connections. Version: '5.5.27-log' socket: '/var/lib/mysql/mysql.sock' port: 3306 MySQL Community Server (GPL) I guess there is something wrong with the bind address. How should I fix the problem?

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  • Quantifying the effects of partition mis-alignment

    - by Matt
    I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that tells me how to actually quantify the effects of mis-aligned partitions. Some of the general information I found suggests the performance penalty can be quite high (upwards of 60%) and others say it's negligible. What I want to do is determine if partition alignment is a factor in this server's performance problems or not; and if so, to what degree? So I'll put my info out here, and hopefully the community can confirm if my partitions are indeed mis-aligned, and if so, help me put a number to what the performance cost is. Server is a Dell R510 with dual E5620 CPUs and 8 GB RAM. There are eight 15k 2.5” 600 GB drives (Seagate ST3600057SS) configured in hardware RAID-6 with a single hot spare. RAID controller is a Dell PERC H700 w/512MB cache (Linux sees this as a LSI MegaSAS 9260). OS is CentOS 5.6, home directory partition is ext3, with options “rw,data=journal,usrquota”. I have the HW RAID configured to present two virtual disks to the OS: /dev/sda for the OS (boot, root and swap partitions), and /dev/sdb for a big NFS share: [root@lnxutil1 ~]# parted -s /dev/sda unit s print Model: DELL PERC H700 (scsi) Disk /dev/sda: 134217599s Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 63s 465884s 465822s primary ext2 boot 2 465885s 134207009s 133741125s primary lvm [root@lnxutil1 ~]# parted -s /dev/sdb unit s print Model: DELL PERC H700 (scsi) Disk /dev/sdb: 5720768639s Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 34s 5720768606s 5720768573s lvm Edit 1 Using the cfq IO scheduler (default for CentOS 5.6): # cat /sys/block/sd{a,b}/queue/scheduler noop anticipatory deadline [cfq] noop anticipatory deadline [cfq] Chunk size is the same as strip size, right? If so, then 64kB: # /opt/MegaCli -LDInfo -Lall -aALL -NoLog Adapter #0 Number of Virtual Disks: 2 Virtual Disk: 0 (target id: 0) Name:os RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:65535MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 ... physical disk info removed for brevity ... Virtual Disk: 1 (target id: 1) Name:share RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:2793344MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 If it's not obvious, virtual disk 0 corresponds to /dev/sda, for the OS; virtual disk 1 is /dev/sdb (the exported home directory tree).

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  • KeePass justification

    - by Jeff Walker
    I work at a place that tries to take security seriously, but sadly, they often fail. Currently, one of the major ways they fail is password management. I personally have about 20 accounts (my personal user id on lots of machines). For shared "system" accounts, there are about 45 per environment; development, test, and production. I have access to 2 of those, so my personal total is somewhere around 115 accounts. Passwords have to be at least 15 characters with some extensive but standard complexity constraints, and have to be changed every 60 days or so (system accounts every year). They also should not be the same for different accounts, but that isn't enforced. Think DoD-type standards. There is no way to remember and keep up with this. It just isn't humanly possible, as far as I'm concerned. This might be a good justification of a centralized account management system, a la LDAP or ActiveDirectory, but that is a totally different battle. Currently the solution is an Excel spreadsheet. They use Excel to put a password on it, and then most people make a copy and remove the password. This makes my stomach turn. I use KeePass for this problem and it manages all of my account very well. I like the features like auto-typing, grouping, plugins, password generation, etc. It uses AES-256 encryption via the .Net framework, and while not FIPS compliant, it has a very good reputation. The only problem is that they are also very careful about using randomly downloaded software. So we have to justify every piece of software on our workstations. I have been told that they really don't want me to use this, be cause of the "sensitive nature" of storing passwords. sigh My justification has to be "VERY VERY strong". I have been tasked with writing a justification for KeePass, but as I am lazy, I would like any input that I can get from the community. What do you recommend? Is there something out there that is better or more respected than KeePass? Is there any security experts saying interesting things on this topic? Anything will help at this point. Thanks.

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  • Gateway GT5220 Boot/POST Failure

    - by John Rudy
    I have a Gateway GT5220 I'm troubleshooting. It is, in fact, the machine I just gave my father for his birthday a couple months ago. (Prior to that, it was my home PC. My home PC is now the MacBook on which I'm writing this.) Before going any further, I suspect that the answer will be, "It's worse than that, it's dead, Jim, it's dead, Jim, it's dead, Jim." At least, mobo and/or CPU. The initial symptoms were as follows: Turn on power All fans fire up (thus making it so I can't hear if the hard drive is spinning or not, nor are my hands sensitive enough anymore to feel it) No LEDs remained lit on the front panel. (Initially, the hard drive indicator flashed briefly.) No beep, no video, no nothing. Following some advice I found here, I tried to "drain the stored power." After following those steps, the new symptoms were: Turn on power All fans fire up The front panel LEDs remained lit! After about 20, maybe 30 seconds, we had video! Sort of. We got to the Gateway splash/POST screen, which appeared thoroughly corrupted. How corrupted? Well, I imagine it's what a POST screen would look like after reading the wrong passage out of the Necronomicon: It stayed there. I gave it at least 5, maybe 6 minutes, and it didn't move. So I shut her down, started her up again, and now (this is where we currently stand, symptomatically) we have this: Turn on power All fans fire up The front panel LEDs remain lit No video, no beep, no nothing. I'm a software guy; haven't done real hardware troubleshooting in years. My gut tells me that the mobo and/or CPU is fried, and unfortunately my gut didn't get to be as big as it is being wrong all the time. :( In addition to the link above, I have read all of the following (trying to save you some LMGTFY trouble): Gateway Support POST Error Messages and Handling About a zillion (useless) POST beep code sites A kioskea.net post indicating that most likely we're at what I consider "total loss" (mobo and/or CPU) My questions: Are there any conditions other than mobo/CPU that could cause symptoms like these? Is it worth my time to try the next hardware troubleshooting step?(IE, remove all non-critical hardware from the machine, try to boot, systematically replace one by one until we find the failing component) Which mobos will fit in the Gateway GT5220 case (with rear ports correctly aligned)? (Why this is not a dupe: I wouldn't have posted this question if it hadn't been for the funkadelic possessed video display on the one occasion we got video out. I think that justified this not being an exact dupe. Of course, if the community overrules, I will understand.)

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  • Where to get laptop replacement parts?

    - by wai
    I am sure some of us have older laptops that still works but just one or two parts started not working very well. However, to send it back to the manufacturer for repair might not be worth the money (as some of them even charge consultation fees just to have it checked) as these old laptops are most probably well beyond warranty. Replacing these one or two parts could give your laptop a new lease of life. For example, I have a Dell Inspiron 640m which the fan recently failed. Everything else still works. I know enough to open up the laptop (after reading the service manual) and put it back together again, hence a replacement fan could save it. However, finding these parts turned out to be difficult. I guess I wouldn't be able to get it from Dell since I have been searching around the Dell forums and concluded if I were going to get Dell to at least talk to me, I would have to pay some money (since my warranty expired). I found this online:- http://www.parts-people.com/index.php?action=item&id=3725 However, as I don't live in the United States, shipping alone would cost me 3 times more than the part in question. In addition, if there's a problem, it would be difficult because I probably would have to mail the parts back (costing more money). One of my friend spilled water on her Macbook, she sent it back to Apple and they told her the cost of repairing it exceeds that of buying a new Macbook. They probably have to change everything except the LCD screen. I opened it up and found that most of the parts are still working, only the RAM had fried. Replaced it and it's working again. For some time before discovering only the RAM fried, I was toying with the idea of replacing the logic board myself but looks like I didn't have to. =) Now I know there's a site for Macbooks used replacement parts:- http://www.ifixit.com/ The question is, does anyone know where to get replacement parts at their own locality? It might benefit the community as a whole. Someone might know a local computer store that sells precisely just the things we needed (for now, I hope to find a shop that sells just the fan). If you own a laptop which you had an easy experience finding the replacement parts, do post that as well. PS: I wish laptop manufacturers have outlets where they sell these replacement parts (or at least let you place an order).

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  • Is Apache 2.2.22 able to sustain 1.000 simultaneous connected clients?

    - by Fnux
    For an article in a news paper, I'm benchmarking 5 different web servers (Apache2, Cherokee, Lighttpd, Monkey and Nginx). The tests made consist of measuring the execution times as well as different parameters such as the number of request served per second, the amount of RAM, the CPU used, during a growing load of simultaneous clients (from 1 to 1.000 with a step of 10) each client sending 1.000.000 requets of a small fixed file, then of a medium fixed file, then a small dynamic content (hello.php) and finally a complex dynamic content (the computation of the reimbursment of a loan). All the web servers are able to sustain such a load (up to 1.000 clients) but Apache2 which always stops to respond when the test reach 450 to 500 simultaneous clients. My configuration is : CPU: AMD FX 8150 8 cores @ 4.2 GHz RAM: 32 Gb. SSD: 2 x Crucial 240 Gb SATA6 OS: Ubuntu 12.04.3 64 bit WS: Apache 2.2.22 My Apache2 configuration is as follows: /etc/apache2/apache2.conf LockFile ${APACHE_LOCK_DIR}/accept.lock PidFile ${APACHE_PID_FILE} Timeout 30 KeepAlive On MaxKeepAliveRequests 1000000 KeepAliveTimeout 2 ServerName "fnux.net" <IfModule mpm_prefork_module> StartServers 16 MinSpareServers 16 MaxSpareServers 16 ServerLimit 2048 MaxClients 1024 MaxRequestsPerChild 0 </IfModule> User ${APACHE_RUN_USER} Group ${APACHE_RUN_GROUP} AccessFileName .htaccess <Files ~ "^\.ht"> Order allow,deny Deny from all Satisfy all </Files> DefaultType None HostnameLookups Off ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel emerg Include mods-enabled/*.load Include mods-enabled/*.conf Include httpd.conf Include ports.conf LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined LogFormat "%h %l %u %t \"%r\" %>s %O" common LogFormat "%{Referer}i -> %U" referer LogFormat "%{User-agent}i" agent Include conf.d/ Include sites-enabled/ /etc/apache2/ports.conf NameVirtualHost *:8180 Listen 8180 <IfModule mod_ssl.c> Listen 443 </IfModule> <IfModule mod_gnutls.c> Listen 443 </IfModule> /etc/apache2/mods-available <IfModule mod_fastcgi.c> AddHandler php5-fcgi .php Action php5-fcgi /cgi-bin/php5.external <Location "/cgi-bin/php5.external"> Order Deny,Allow Deny from All Allow from env=REDIRECT_STATUS </Location> </IfModule> /etc/apache2/sites-available/default <VirtualHost *:8180> ServerAdmin webmaster@localhost DocumentRoot /var/www/apache2 <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel emerg ##### CustomLog ${APACHE_LOG_DIR}/access.log combined Alias /doc/ "/usr/share/doc/" <Directory "/usr/share/doc/"> Options Indexes MultiViews FollowSymLinks AllowOverride None Order deny,allow Deny from all Allow from 127.0.0.0/255.0.0.0 ::1/128 </Directory> <IfModule mod_fastcgi.c> AddHandler php5-fcgi .php Action php5-fcgi /php5-fcgi Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -host 127.0.0.1:9000 -pass-header Authorization </IfModule> </VirtualHost> /etc/security/limits.conf * soft nofile 1000000 * hard nofile 1000000 So, I would trully appreciate your advice to setup Apache2 to make it able to sustain 1.000 simultaneous clients, if this is even possible. TIA for your help. Cheers.

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  • Installing Cygwin C and C++ compilers for NetBeans IDE 7.2

    - by user1294663
    I am very new to Cygwin, C, C++ and NetBeans IDE 7.2. My PC is running MICROSOFT WINDOWS 7 OS. I have read the documentation on how to install the Cygwin C C++ compilers. http://netbeans.org/community/releases/72/cpp-setup-instructions.html#compilers I have tried to run Cygwin setup.exe that has the most recent version of the Cygwin DLL is 1.7.16-1. I am not very sure which exact package to install when the Cygwin setup.exe installer prompted for the selection of packages to download and install. I want to install the Cygwin C and C++ compilers so that i can create C and C++ projects using NetBeans 7.2 I selected those packages that has contains the following names gcc, g++, gdb and make. Then i proceed on to install the selected packages The installation took up a long time so i stopped after about 45 minutes or so. I browsed the installation folder and i saw some packages i selected were installed. I noticed that some packages came in some sort of "zip" file with tar.gz extension. i added the folder path into the PATH variable in the windows 7 environment variables window. I think this command works C: cygcheck -c cygwin but the rest doesn't work i think. C: gcc --version C: g++ --version C: make --version C: gdb --version I tried to create the C C++ project using the Netbeans IDE 7.2 and the IDE pops out a dialog message saying that there was no c c++ compilers found. Have i made some mistake here? like installing the wrong packages or something else??? Are there packages shown in the Cygwin setup.exe installer that contains exact names and exact version that is compatible with NetBeans IDE 7.2?? This i am not too sure. Because i i think i didn't really see some required packages with exact names and versions. My question is : Which exact packages do i install using the Cygwin setup.exe installer so that i can create C & C++ projects using Netbeans IDE 7.2? and what other steps do i have to take note to ensure complete successful installation? do i have to wait all the selected required packages to be installed? I WOULD LIKE TO KNOW THE EXACT NAMES AND THE VERSIONS FOR THE REQUIRED PACKAGES (NAMES AND VERSIONS DISPLAYED IN THE CYGWIN SETUP.EXE INSTALLER WHEN PROMPTED) NEEEDED FOR C & C++ PROGRAMMING USING NETBEANS IDE 7.2??

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  • Troubleshooting sudoers via ldap

    - by dafydd
    The good news is that I got sudoers via ldap working on Red Hat Directory Server. The package is sudo-1.7.2p1. I have some LDAP/Kerberos users in an LDAP group called wheel, and I have this entry in LDAP: # %wheel, SUDOers, example.com dn: cn=%wheel,ou=SUDOers,dc=example,dc=com cn: %wheel description: Members of group wheel have access to all privileges. objectClass: sudoRole objectClass: top sudoCommand: ALL sudoHost: ALL sudoUser: %wheel So, members of group wheel have administrative privileges via sudo. This has been tested and works fine. Now, I have this other sudo privilege set up to allow members of a group called Administrators to perform two commands as the non-root owner of those commands. # %Administrators, SUDOers, example.com dn: cn=%Administrators,ou=SUDOers,dc=example,dc=com sudoRunAsGroup: appGroup sudoRunAsUser: appOwner cn: %Administrators description: Allow members of the group Administrators to run various commands . objectClass: sudoRole objectClass: top sudoCommand: appStop sudoCommand: appStart sudoCommand: /path/to/appStop sudoCommand: /path/to/appStart sudoUser: %Administrators Unfortunately, members of Administrators are still refused permission to run appStart or appStop: -bash-3.2$ sudo /path/to/appStop [sudo] password for Aaron: Sorry, user Aaron is not allowed to execute '/path/to/appStop' as root on host.example.com. -bash-3.2$ sudo -u appOwner /path/to/appStop [sudo] password for Aaron: Sorry, user Aaron is not allowed to execute '/path/to/appStop' as appOwner on host.example.com. /var/log/secure shows me these two sets of messages for the two attempts: Oct 31 15:02:36 host sudo: pam_unix(sudo:auth): authentication failure; logname=Aaron uid=0 euid=0 tty=/dev/pts/3 ruser= rhost= user=Aaron Oct 31 15:02:37 host sudo: pam_krb5[1508]: TGT verified using key for 'host/[email protected]' Oct 31 15:02:37 host sudo: pam_krb5[1508]: authentication succeeds for 'Aaron' ([email protected]) Oct 31 15:02:37 host sudo: Aaron : command not allowed ; TTY=pts/3 ; PWD=/auto/home/Aaron ; USER=root ; COMMAND=/path/to/appStop Oct 31 15:02:52 host sudo: pam_unix(sudo:auth): authentication failure; logname=Aaron uid=0 euid=0 tty=/dev/pts/3 ruser= rhost= user=Aaron Oct 31 15:02:52 host sudo: pam_krb5[1547]: TGT verified using key for 'host/[email protected]' Oct 31 15:02:52 host sudo: pam_krb5[1547]: authentication succeeds for 'Aaron' ([email protected]) Oct 31 15:02:52 host sudo: Aaron : command not allowed ; TTY=pts/3 ; PWD=/auto/home/Aaron ; USER=appOwner; COMMAND=/path/to/appStop The questions: Does sudo have some sort of verbose or debug mode where I can actually watch it capture the sudoers privilege list and determine whether or not Aaron should have the privilege to run this command? (This question is probably independent of where the sudoers database is kept.) Does sudo work with some background mechanism that might have a log level I could turn up? Right now, I can't fix a problem I can't identify. Is this an LDAP search failure? Is this a group member matching failure? Identifying why the command fails will help me identify the fix... Next step: Recreate the privilege in /etc/sudoers, and see if it works locally... Cheers!

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  • Where to get laptop replacement parts?

    - by wai
    I am sure some of us have older laptops that still works but just one or two parts started not working very well. However, to send it back to the manufacturer for repair might not be worth the money (as some of them even charge consultation fees just to have it checked) as these old laptops are most probably well beyond warranty. Replacing these one or two parts could give your laptop a new lease of life. For example, I have a Dell Inspiron 640m which the fan recently failed. Everything else still works. I know enough to open up the laptop (after reading the service manual) and put it back together again, hence a replacement fan could save it. However, finding these parts turned out to be difficult. I guess I wouldn't be able to get it from Dell since I have been searching around the Dell forums and concluded if I were going to get Dell to at least talk to me, I would have to pay some money (since my warranty expired). I found this online:- http://www.parts-people.com/index.php?action=item&id=3725 However, as I don't live in the United States, shipping alone would cost me 3 times more than the part in question. In addition, if there's a problem, it would be difficult because I probably would have to mail the parts back (costing more money). One of my friend spilled water on her Macbook, she sent it back to Apple and they told her the cost of repairing it exceeds that of buying a new Macbook. They probably have to change everything except the LCD screen. I opened it up and found that most of the parts are still working, only the RAM had fried. Replaced it and it's working again. For some time before discovering only the RAM fried, I was toying with the idea of replacing the logic board myself but looks like I didn't have to. =) Now I know there's a site for Macbooks used replacement parts:- http://www.ifixit.com/ The question is, does anyone know where to get replacement parts at their own locality? It might benefit the community as a whole. Someone might know a local computer store that sells precisely just the things we needed (for now, I hope to find a shop that sells just the fan). If you own a laptop which you had an easy experience finding the replacement parts, do post that as well. PS: I wish laptop manufacturers have outlets where they sell these replacement parts (or at least let you place an order).

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  • adress-chunk: separate data stored in one collumn - into three (street, postal-code, town)

    - by zero
    hello dear community. Hello dear friends form all over the planet first of all - this is a great great forum. I like this place to share the ideas. It is so great to see such a supportive place - featuring the knowledge exchange! today i have the following thing to discuss: i want to separate the following data that are stored in one column of a calc-spreadsheet: See the following data: You see that there are the following categories:_ steet, postal-code, town All the data are stored in only one Colum; Well to be honest: i want to separate them into three colums steet, postal-code, town see the data: what can i do? note - you see that there are commas inbetween the enties: and besides this we see that we have a postal-code with four digits: that is a good thing. Perhaps we can use this as a marker that helps us to separate the data?! Perhaps See a data-sample! Here you can see some exceptions: eg. the town that has two words combinde with a "-" ... or somethims without any signs and characters... see the following... as an example: Max-Bader-Platz 1, 5620 Schwarzach im Pongau Pestalozzistraße 4, 9990 Nussdorf-Debant Schulstraße 4, 5162 Obertrum am See But i guess that this means no problem... What do you think about this? I am very very interested to get your opinion! i look forward to hear from you! regards see a snipped of the dataset - that is stored in one column -[b]Goal: [/b]i want to separate the datas into three collumns... : Schulweg 6, 9871 Seeboden Khevenhüllerstraße 45, 4861 Schörfling Franz Xaver Rennstr.18, 6460 Imst Schulstraße 4, 5162 Obertrum am See Schulweg 6, 7432 Oberschützen Pestalozzistraße 4, 9990 Nussdorf-Debant Niederndorf bei Kufstein 53c, 6342 Niederndorf bei Kufstein Hauptschulstraße 18, 2183 Neusiedl an der Zaya Seeweg 14, 5202 Neumarkt am Wallersee Europaplatz 1, 8820 Neumarkt in Steiermark Schulstraße 7, 4212 Neumarkt im Mühlkreis Schulstraße 20, 4720 Neumarkt im Hausruckkreis Bahnhofstr. 10, 4872 Neukirchen an der Vöckla Schulstraße 5b, 4780 Schärding Reitbergstraße 2, 4311 Schwertberg Europaplatz 1, 2320 Schwechat Am Schulberg 5, 3931 Schweiggers Waidach 8, 6130 Schwaz Waidach 8, 6130 Schwaz Max-Bader-Platz 1, 5620 Schwarzach im Pongau Markt 29, 2662 Schwarzau im Gebirge Hofsteigstraße 68, 6858 Schwarzach Gmundner Straße 7, 4690 Schwanenstadt Mühlfeldstraße 1, 4690 Schwanenstadt Mainsdorferstraße 18, 8541 Schwanberg Jakob Stemer-Weg 3, 6780 Schruns Obere Umfahrungsstraße 16, 2432 Schwadorf bei Wien Battloggstraße 54, 6780 Schruns Schloss-Straße 19, 5020 Salzburg Schillerplatz 2, 8280 Fürstenfeld Erzherzog-Johann-Str. 400, 8970 Schladming Schulgasse 261, 8811 Scheifling i look forward to hear from you!! regards

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  • Core i7 c1e and speedstepping - BSOD on shutdown

    - by DeaconDesperado
    I'm having an interesting problem with my recent Core i7 Digital Audio workstation build that I am curious to see if others have encountered. First, here are the specs on the machine. ASUS P6TD Deluxe Intel X58 Socket LGA1366 MB Intel Core i7-950 3.06Ghz 8M LGA1366 CPU CORSAIR DOMINATOR 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 Western Digital Caviar Black WD5001AALS 500GB Plus a couple ASUS optical drives and a 750W Corsair PSU. Running Windows 7 x64. All this is connected to the nefarious Digi 002 firewire audio interface for use with Pro Tools. I following mostly the specs posted by many other I7 users in the digidesign community who pooled their collective knowledge in this thread. Now after completing my build, I fell victim to the "UD5 squeal" described at that forum thread. So taking the advice posted, I disabled c1e advanced halt state and Intel speed stepping (I would likely have done this anyway to maintain a stable clock, power consumption isn't really a relevant concern on this machine.) I enabled XMP to set the ram timings properly as well. What I am experiencing is a BSOD upon shutdown, but only immediately after windows fully exits and ends all processes. The error is a MACHINE_CHECK_EXCEPTION 0x000000. The funny thing is that it is extremely intermitent and only occurs if the shutdown immediately followed a period of relative idleness. It does not a generate a minidump, I suspect because windows monitoring has terminated by the time this error occurs. No damage is evident and one can simply turn off manually and the system will act as though a proper shutdown had occurred. If anything it is a annoyance, I just want to be certain it is not affecting my long term stability. I have read that the i7 950 does not like DRAM voltages past 1.65, but that they are acceptable if they are within .5 of the BLCK setting. I have tried disabling XMP and setting all timings to auto and the problem still manifests in an identical way. It is suspect that the cpu idleness preceding shutdown is the determining factor, as both c1e and speedstepping are both settings intended to modify handling of this state. Any suggestions or prior experiences would be greatly appreciated. EDIT: The behavior very closely resembles what's described in this thread: http://www.tomshardware.com/forum/12003-63-shut-problem-windows The benign nature of it of is identical. I can't seem to download the hotfix cited there however.

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  • Problems migrating an EBS backed instance over AWS Regions

    - by gshankar
    Note: I asked this question on the EC2 forums too but haven't received any love there. Hopefully the ServerFault community will be more awesome. The new AWS Sydney region opening up is something that we've been waiting for for a long time but I'm having a lot of trouble migrating our instances over from N. California. I managed to migrate 1 instance over using CloudyScripts to move a snapshot and then firing up a new instance in the Sydney region. This was a very new instance so both the source and destination were running on a Ubuntu 12.04 LTS server and I had no issues there. However, the rest of our instances are all Ubuntu 10.04 LTS and with these, I'm having a lot of problems. I've tried following: 1- following the AWS whitepaper on moving instances which was given to us at the recent Customer Appreciation Day in Sydney where the new region was launched. The problem with this approach was with the last step (Step 19) here you register the image: ec2-register -s snap-0f62ec3f -n "Wombat" -d "migrated Wombat" --region ap-southeast-2 -a x86_64 --kernel aki-937e2ed6 --block-device-mapping "/dev/sdk=ephemeral0" I keep getting this error: Client.InvalidAMIID.NotFound: The AMI ID 'ami-937e2ed6' does not exist which I think is due to the kernel_id not existing in the Sydney region? 2- Using CloudyScripts to move a snapshot and then creating a new volume and attaching to a new instance in Sydney This results in the instance just hanging on boot and failing the status checks. I can't SSH in or look at the server log I suspect that my issue is with finding the right kernel_id for the volume in the new region. However I can't seem to work out how to go about finding this kernel_id, the ones I've tried (from the original instance) don't result in the Client.InvalidAMIID.NotFound: The AMI ID 'ami-937e2ed6' error and any other kernel_id just won't boot. I've tried both 12.04 and 10.04 versions of Ubuntu. Nothing seems to work, I've been banging my head against a wall for a while now, please help! New (broken) instance i-a1acda9b ami-9b8611a1 aki-31990e0b Source instance i-08a6664e ami-b37e2ef6 aki-937e2ed6 p.s. I also tried following this guide on updating my Ubuntu LTS version to 12.04 before doing the migration but it didn't seem to work either, still getting stuck on updating the kernel_id http://ubuntu-smoser.blogspot.com.au/2010/04/upgrading-ebs-instance.html

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  • Has this server been compromised?

    - by Griffo
    A friend is running a VPS (CentOS) His business partner was the sysadmin but has left him high and dry to look after the system. So, I've been asked to help out in fixing an apparent spam problem. His IP address got blacklisted for unsolicited mail. I'm not sure where to look for a problem, but I started with netstat to see what open connections were running. It looks to me like he has remote hosts connected to his SMTP server. Here's the output: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 78.153.208.195:imap 86-40-60-183-dynamic.:10029 ESTABLISHED tcp 0 0 78.153.208.195:imap 86-40-60-183-dynamic.:10010 ESTABLISHED tcp 0 1 78.153.208.195:35563 news.avanport.pt:smtp SYN_SENT tcp 0 0 78.153.208.195:35559 vip-us-br-mx.terra.com:smtp TIME_WAIT tcp 0 0 78.153.208.195:35560 vip-us-br-mx.terra.com:smtp TIME_WAIT tcp 1 1 78.153.208.195:imaps 86-40-60-183-dynamic.:11647 CLOSING tcp 1 1 78.153.208.195:imaps 86-40-60-183-dynamic.:11645 CLOSING tcp 0 0 78.153.208.195:35562 mx.a.locaweb.com.br:smtp TIME_WAIT tcp 0 0 78.153.208.195:35561 mx.a.locaweb.com.br:smtp TIME_WAIT tcp 0 0 78.153.208.195:imap 86-41-8-64-dynamic.b-:49446 ESTABLISHED Does this indicate that his server may be acting as an open relay? Mail should only be outgoing from localhost. Apologies for my lack of knowledge but I don't work on linux in my day job. EDIT: Here's some output from /var/log/maillog which looks like it may be the result of spam. If it appears to be the case to others, where should I look next to investigate a root cause? I put the server IP through www.checkor.com and it came back clean. Jun 29 00:02:13 vps-1001108-595 qmail: 1309302133.721674 status: local 0/10 remote 9/20 Jun 29 00:02:13 vps-1001108-595 qmail: 1309302133.886182 delivery 74116: deferral: 200.147.36.15_does_not_like_recipient./Remote_host_said:_450_4.7.1_Client_host_rejected:_cannot_find_your_hostname,_[78.153.208.195]/Giving_up_on_200.147.36.15./ Jun 29 00:02:13 vps-1001108-595 qmail: 1309302133.886255 status: local 0/10 remote 8/20 Jun 29 00:02:13 vps-1001108-595 qmail: 1309302133.898266 delivery 74115: deferral: 187.31.0.11_does_not_like_recipient./Remote_host_said:_450_4.7.1_Client_host_rejected:_cannot_find_your_hostname,_[78.153.208.195]/Giving_up_on_187.31.0.11./ Jun 29 00:02:13 vps-1001108-595 qmail: 1309302133.898327 status: local 0/10 remote 7/20 Jun 29 00:02:14 vps-1001108-595 qmail: 1309302134.137833 delivery 74111: deferral: Sorry,_I_wasn't_able_to_establish_an_SMTP_connection._(#4.4.1)/ Jun 29 00:02:14 vps-1001108-595 qmail: 1309302134.137914 status: local 0/10 remote 6/20 Jun 29 00:02:19 vps-1001108-595 qmail: 1309302139.903536 delivery 74000: failure: 209.85.143.27_failed_after_I_sent_the_message./Remote_host_said:_550-5.7.1_[78.153.208.195_______1]_Our_system_has_detected_an_unusual_rate_of/550-5.7.1_unsolicited_mail_originating_from_your_IP_address._To_protect_our/550-5.7.1_users_from_spam,_mail_sent_from_your_IP_address_has_been_blocked./550-5.7.1_Please_visit_http://www.google.com/mail/help/bulk_mail.html_to_review/550_5.7.1_our_Bulk_Email_Senders_Guidelines._e25si1385223wes.137/ Jun 29 00:02:19 vps-1001108-595 qmail: 1309302139.903606 status: local 0/10 remote 5/20 Jun 29 00:02:19 vps-1001108-595 qmail-queue-handlers[15501]: Handlers Filter before-queue for qmail started ... EDIT #2 Here's the output of netstat -p with the imap and imaps lines removed. I also removed my own ssh session Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 1 78.153.208.195:40076 any-in-2015.1e100.net:smtp SYN_SENT 24096/qmail-remote. tcp 0 1 78.153.208.195:40077 any-in-2015.1e100.net:smtp SYN_SENT 24097/qmail-remote. udp 0 0 78.153.208.195:48515 125.64.11.158:4225 ESTABLISHED 20435/httpd

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  • In search of a good audio player for Ubuntu 9.10

    - by Joe Casadonte
    If this should be marked Community Wiki, please let me know. I'm switching from XP to Ubuntu, and I have been very disappointed with the selection of media players available. I'm primarily interested in an audio player, but integrated video and library management is OK, too. My criteria: Must be able to play audio CDs (I'm shocked how many apps this does away with, right away) Must be able to play MP3 & WAV; OGG, SHN, FLAC are all bonuses Repeat and Shuffle modes are a must FreeDB / GraceNote through a proxy is a must (if it can read a PAC file, that would be awesome) It needs to be really small, e.g. skinnable or an applet Ability to execute a playlist is a plus Gapless MP3 playback a plus I'm running Gnome, but I'm not totally adverse to a KDE app. Command-line only is also a viable option. Some that I've tried: RhythmBox - probably the best of the lot that I've tried; I don't like its mini mode (doesn't show the song being played) and I can't figure out how to get it to hit FreeDB/GraceNote through a proxy Songbird - can't play CDs, playlist management is atrocious Banshee Jajuk Maybe a couple of more. Thanks! UPDATE I tried out VLC, Amarok and Songbord (again). VLC I eventually got to work (I had some kind of bad configuration). It seemed way more involved than I was looking for out of a music player, and in general more geared to video than audio. I couldn't fathom its library management, which I think it has; maybe it doesn't, and that's why I couldn't figure it out. Amaork looked very promising but the library management was not to my liking, and the way it handled a playlist with both MP3 and WAV is inexplicable at best. I did like some aspects of the UI, but not enough to keep it. Songbird is very finicky, but I like the library management. Sort of. It kept telling me my Watch folder was invalid, even thought it clearly was accessible. Playlist management is bizarre, and the message that it was deleting source files whenever I deleted a playlist had me too worried to keep using it. Had it been able to play CDs, maybe I would have persevered. Audacious, while a bit odd at times, does seem to do what I want. If it had a library manager, I wouldn't have bothered trying any of the others. Thanks for the help, everyone!

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  • Forwarding rsyslog to syslog-ng, with FQDN and facility separation

    - by Joshua Miller
    I'm attempting to configure my rsyslog clients to forward messages to my syslog-ng log repository systems. Forwarding messages works "out of the box", but my clients are logging short names, not FQDNs. As a result the messages on the syslog repo use short names as well, which is a problem because one can't determine which system the message originated from easily. My clients get their names through DHCP / DNS. I've tried a number of solutions trying to get this working, but without success. I'm using rsyslog 4.6.2 and syslog-ng 3.2.5. I've tried setting $PreserveFQDN on as the first directive in /etc/rsyslog.conf (and restarting rsyslog of course). It seems to have no effect. hostname --fqdn on the client returns the proper FQDN, so the problem isn't whether the system can actually figure out its own FQDN. $LocalHostName <fqdn> looked promising, but this directive isn't available in my version of rsyslog (Available since 4.7.4+, 5.7.3+, 6.1.3+). Upgrading isn't an option at the moment. Configuring the syslog-ng server to populate names based on reverse lookups via DNS isn't an option. There are complexities with reverse DNS and the public cloud. Specifying for the forwarder to use a custom template seems like a viable option at first glance. I can specify the following, which causes local logging to begin using the FQDN on the syslog-ng repo. $template MyTemplate, "%timestamp% <FQDN> %syslogtag%%msg%" $ActionForwardDefaultTemplate MyTemplate However, when I put this in place syslog-ng seems to be unable to categorize messages by facility or priority. Messages come in as FQDN, but everything is put in to user.log. When I don't use the custom template, messages are properly categorized under facility and priority, but with the short name. So, in summary, if I manually trick rsyslog into including the FQDN, priority and facility becomes lost details to syslog-ng. How can I get rsyslog to do FQDN logging which works properly going to a syslog-ng repository? rsyslog client config: $ModLoad imuxsock.so # provides support for local system logging (e.g. via logger command) $ModLoad imklog.so # provides kernel logging support (previously done by rklogd) $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat *.info;mail.none;authpriv.none;cron.none /var/log/messages authpriv.* /var/log/secure mail.* -/var/log/maillog cron.* /var/log/cron *.emerg * uucp,news.crit /var/log/spooler local7.* /var/log/boot.log $WorkDirectory /var/spool/rsyslog # where to place spool files $ActionQueueFileName fwdRule1 # unique name prefix for spool files $ActionQueueMaxDiskSpace 1g # 1gb space limit (use as much as possible) $ActionQueueSaveOnShutdown on # save messages to disk on shutdown $ActionQueueType LinkedList # run asynchronously $ActionResumeRetryCount -1 # infinite retries if host is down *.* @syslog-ng1.example.com *.* @syslog-ng2.example.com syslog-ng configuration (abridged for brevity): options { flush_lines (0); time_reopen (10); log_fifo_size (1000); long_hostnames (off); use_dns (no); use_fqdn (yes); create_dirs (no); keep_hostname (yes); }; source src { unix-stream("/dev/log"); internal(); udp(ip(0.0.0.0) port(514)); }; destination per_host_destination { file( "/var/log/syslog-ng/devices/$HOST/$FACILITY.log" owner("root") group("root") perm(0644) dir_owner(root) dir_group(root) dir_perm(0775) create_dirs(yes)); }; log { source(src); destination(per_facility_destination); };

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  • Local admin password recovery: Windows Vista

    - by Jim Dennis
    I am faced with an unsettling situation. A friend of my father's has rather suddenly become a widower. Naturally they've taken care of the bank accounts and all the normal mundane things that people have been doing for a century or so. However, she was the computer user of the household. He was aware that they had some online banking stuff and bill paying stuff ... and that she spent lots of time on FaceBook and stuff like that. However, he doesn't know what her local passwords were (actually only vaguely aware that her couple of desktop and couple of laptop system even had passwords). He's never heard of "admin" passwords so that's no good either. In the past I've used KNOPPIX and the old LinuxCare "bootable business card" to recover NT passwords. I've never done this with MS Windows Vista. So, I'm looking for the best advice on how to do this. Naturally I do have physical access to the systems (the two laptops are charging across the room from me; and her old desktop systems are, naturally, still back at his place). Getting it right is much more important than fast or easy (I don't want to mess up those filesystems and possibly lose some photos or other stuff that he or his kids or grandkids will want). (BTW: if anyone things this is some social engineering hack to play upon the sympathies of the community to get the information I'm asking for ... think about it for a minute. I know about IRC and the "warez" boards. I know I can find this stuff out there if I dig enough. I'm just asking here because it'll hopefully be faster and, secondarily to raise awareness. As more of us put more of our lives online ... as we get older and as places like FaceBook continue to widen the appeal of computing to a broader segment of older people ... we are, as computer nerds, going to see a lot more of this. Survivors will needs us to be careful, sensitive and ethically responsible as they try to recover those bits of legacy during their bereavement. I can now tell you, first hand, it sucks!)

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  • Broadcom HT1100 SATA controller not working properly with 1TB drives

    - by Jeff C
    I've been using RHEL distro's for several years and always managed to find the answers until now. I know this is more of a hardware issue, but I've been working on this for over a week and trust Linux and the IT community to help more then HP. I have CentOS 6.3 installed on an HP ProLiant DL145 G3 server with the BroadCom HT1100 IO controller and ServerWorks SATA Controller MMIO BIOS v3.0.0015.6 Firmware. This controller does not support large drives fully. Here's what I've tried and the results; Stock setup - Freezes on the ServerWorks POST screen. Can't even enter CMOS without disconnecting the drives. If I simply disconnect the SATA cables before it gets to the ServerWorks screen and reconnect afterwards I can boot from a CD, USB, PXE fine. However fiddling with cables at ever boot isn't practical. If I enter the BIOS config I can set it to not try booting the drives but leave the controller enabled. This lets me boot normally but the drives are not visible in the OS (live CDs or USB installed). I used method #2 to install and update CentOS. I have the /boot partition on a USB drive (everything else is on the SATA drives in software RAID1) hoping that would work around the issue but I get this Kernel panic - not syncing:Attempted to kill init! Pid: 1, comm: init Not tainted 2.6.32-279.9.1.el6.x86_6 #1 Call Trace: [<ffffffff814fd6ba>] ? panic+0xa0/0x168 [<ffffffff81070c22>] ? do_exit+0x862/0x870 [<ffffffff8117cdb5>] ? fput+0x25/0x30 [<ffffffff81070c88>] ? do_group_exit+0x58/0xd0 [<ffffffff81070d17>] ? sys_exit_group+0x17/0x20 [<ffffffff8100b0f2>] ? system_call_fastpath+0x16/0x1b panic occured, switching back to text console I'm sure it should be possible to talk to the drives without the BIOS boot check since the BIOS doesn't see them in method #2 either, their disconnected when it checks, but Linux sees them fine. If anyone could help figure out how I would greatly appreciate it! The other possible option I've come across is a complex firmware update. Tyan has a few boards on their website with the HT1100 and a ServerWorks v3.0.0015.7 update which says "adds support for TB drives" in the release notes. If someone could help me get the Tyan SATA firmware into the HP ROM file so I could just reflash that would also be very much appreciated. Thanks for any help you guys can offer!

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  • How to set up a file server in a restricted corporate environment

    - by Emilio M Bumachar
    I work in a big corporation, and the disk space my team gets in the corporate file server is so low, I am considering turning my work PC into a file server. I ask this community for links to tutorials, software suggestions, and advice in general about how to set it up. My machine is an Intel Core2Duo E7500 @ 3GHz, 3 GB of RAM, Running Windows XP Service Pack 3. Upgrading, formatting or installing another OS is out of the question. But I do have Administrator priviledges on the PC, and I can install programs (at least for now). A lot of security software I don't even know about is and must remain installed. But I only need communication whithin the corporate network, which is not restricted. People have usernames (logins) on the corporate network, and I need to use them to restrict access. Simply put, I have a list of logins of team members, and only people in the list should access the files. I have about 150 GB of free disk space. I'm thinking of allocating 100 GB to the team's shared files. I plan monthly backups on machines of co-workers, same configuration. But automation of backups is a nice, unnecessary feature: it's totally acceptable for me to manually copy the contents to a different machine once a month. Uptime is important, as everyone would use these files in their daily work. I have experience as a python and C programmer, but no experience whatsoever as a sysadmin, and almost nothing of my programming experience is network programming. I'm a complete beginner in this. Thanks in advance for any help. EDIT I honestly appreciate all the warnings, I really do, but what I plan to make available is mostly stuff that now is solely on DVDs just for space reasons. It's 'daily work' to read them, but 'daily work write' files will remain on the corporate server. As for the importance of uptime, I think I overstated it: a few outages are OK, it's already an improvement over getting the DVDs. As for policy, my manager is kind of on my side, I will confirm that before making my move. As for getting more space through the proper channels, well, that was Plan A, and it's still on the table... But I don't have much hope. I'm not as "core businees" as I'd like.

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  • Alternative Windows Offline Files + Windows Backup + Previous Version Setup

    - by Herson
    Currently our documents are all hosted in a Windows 7 box. Users can access the files using Windows share and the documents are available offline (windows 7 feature). The documents are being backed up daily by Windows 7 backup and restore utility. Users can access previous versions of the file (from the backups) using Windows Explorer "previous versions" feature. This setup is currently working well, except for the following: We would prefer to have access to hourly versions of the file, not daily. The previous version mechanism is tied up to the backup mechanism. Windows 7 performs a full backup every week and incremental backup everyday. The previous versions of a file is actually what are the available in the backups. If you 20GB documents and want to maintain at least three(3) year history, you will use at minimum 3 years * 52 weeks * 20GB or about 3TB even if there are few changes in the documents. Its pretty inefficient use of space. Looking up previous versions of a file is very slow (tens of minutes). This is probably related to the previous issue - Windows has to traverse its all of its backups. I am considering using SVN + autocommit/autoupdate tortoisesvn. It will have the following advantages: Backups are easy and will also backup the whole history of each documents. (Just backup the repository). Creating previous versions can be frequent. I think svn commit / update can be done every two minutes or so. Users can sync over the net. However, I can see the following issues: More conflicts than the original setup because both multiple users can now edit the same file even both are online, i.e. can connect to the SVN repo. The users can off course lock the file first before editing, but that would mean they have to adjust. Delay on propagation of file changes. On windows 7 file sharing, changes made by one online user will be instantaneously available to other online users. With the SVN setup, changes will only be propagated when the users execute the svn add/commit/update sequence. Delay will be probably a few minutes. This workflow will no longer work: "Hi, I just edited document X, can you have a quick look?" I would like to ask the opinion of the community for alternative setups, or improvements on the above setups to work out the kinks.

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  • What is the probable failure - no BSOD, no event log, monitors sleeping, force reboot required

    - by Tyler
    Every 3 to 15 days, my PC freezes. This typically happens when the computer is idle, I'm coming home from work, back from vacation, etc. It's never happened while using my computer. The monitors are in power save mode The Caps Lock light on the (wireless) keyboard doesn't work Ctrl-alt-del has no effect, mouse (wireless) has no effect The hardware reset button and single press of power putton have no effect Computer does not appear on the network No BSOD, no memory dump Event logs have no errors or indications of problems near the time of crash. Only messages after reboot indicating that there was a reboot without a clean shutdown. Windows is set to never put the computer to sleep (just the display) Here are the vital stats of the build: OS Windows 8 Pro 64-bit CPU Intel i5-2400 Mobo Intel BOXDP67DE Micro ATX GPU MSI N460GTX Cyclone768D5/OC RAM CORSAIR XMS3 8GB (2 x 4GB) CMX8GX3M2A1333C9 PSU SeaSonic X Series X650 Gold System Drive Samsung 840 Pro 256 GB SSD Data Drive 2 x Western Digital WD20EARS 2TB in hardware RAID 1 Optical Lite-On DVD burner IHAS424-98 And here is the story of how the problem developed and what I've done to diagnose: January 2011, system built with Windows 7 64-bit, runs great. March 2011, Intel replaced the mobo because of the bad sata controllers. October 2012, upgrade to Windows 8 (problems start shortly after). January 2013, system freezes and causes network to fail for the whole house. Unplug the network cable and other devices and PCs can use the internet. Plug it back in, internet goes away for everyone. Reboot and everything is fine. March 2013, install Intel Gigabit CT PCI-E NIC, disable mobo nic in bios. Network strangeness goes away. Freezes are less frequent. Memtest shows no problems (20 passes). Early June 2013, replace Antec PSU with SeaSonic PSU. Mid June 2013, replace OCZ Vertex 2 SSD with Samsung SSD. Late June 2013, get frustrated and hope the community has some good ideas (I'm running out of budget to replace parts). My next plan of attack is setting "Turn off display" to Never and using a screen saver to see how that reacts on the next freeze. It makes me sad to waste power for up to 15 days though. Has anyone out there seen a problem like this? Any ideas on what kind of malfunction would act this way? Ideas of other diagnostic steps to take?

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  • Cablemodem (SBG6580) firewall denying some outbound traffic? Why? Not configured [migrated]

    - by lairdb
    I finally got around to turning the syslog on for my cablemodem (Motorola Surfboard SBG6580) and I'm seeing about the expected amount of inbound attackage being blocked... 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:56 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:56 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 17.172.232.109,5223 --> 66.27.xx.xx,53814 DENY:Firewall interface access request 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:57 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,443 --> 66.27.xx.xx,53385 DENY: Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:02 Local0.Alert 192.168.111.1 May 31 04:58:57 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:10 Local0.Alert 192.168.111.1 May 31 04:59:04 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,443 --> 66.27.xx.xx,59960 DENY: Firewall interface [IP Fragmented Packet] attack 2014-05-30 21:59:10 Local0.Alert 192.168.111.1 May 31 04:59:04 2014 SYSLOG[0]: [Host 192.168.111.1] UDP 12.230.209.198,4500 --> 66.27.xx.xx,61459 DENY:Firewall interface [IP Fragmented Packet] attack ...and that's great. (Sad, but great.) But I'm also seeing a HUGE amount of what appears to be denied outbound connectivity: 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58969 --> 38.81.66.127,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58969 --> 38.81.66.127,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58965 --> 162.222.41.13,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58965 --> 162.222.41.13,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58964 --> 38.81.66.179,443 DENY: Inbound or outbound access request 2014-05-30 16:30:10 Local0.Alert 192.168.111.1 May 30 23:30:04 2014 SYSLOG[0]: [Host 192.168.111.1] TCP 192.168.111.100,58964 --> 38.81.66.179,443 DENY: Inbound or outbound access request ...and Spot checking suggests that it's all legitimate traffic (Opening connections to CrashPlan, etc.), I have no restrictions configured in the modem; I don't see why it should be blocking anything. Am I misreading the log entry, and it's not actually being denied? (Seems unlikely.) Is the ISP (TWC) pushing deny tables that are not exposed in the UI? (Tinfoil hat too tight.) I'm confused. (The good news, such as it is, is that AFAIK I'm not experiencing any actual issues... but maybe I am; tough to tell.) Thanks.

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  • How does the Cloud compare to Colocation? And development too

    - by David
    Currently I/we run a SaaS web application where each subscriber has their own physical instance of the application in addition to their own database. The setup has each web application instance deployed on two different IIS boxes both for load-balancing and redundancy (the machines have their Windows Update install times 12 hours apart, for example). Databases are mirrored on two different SQL Server 2012 machines with AlwaysOn for uptime. I don't make use of SQL Server clustering (as it doesn't provide storage-level failover: we don't have a shared storage box). Because it's a Windows setup it means there are two Domain Controllers (we cheat: they're both Mac Minis, 17W each, which keeps our colo power costs low). Finally there's also an Exchange server (Mailbox, Hub Transport and Client Access). One of the SQL Servers also doubles-up as an Exchange Hub Transport. Running costs are about $700 a month for our quarter-rack colocation (which includes power and peering/transfer), then there's about $150 a month for SPLA licensing, so $850 a month in total. Then there's the hard-to-quantify cost of administration, but I reckon I spend a couple of hours a week checking-in on the servers: reviewing event logs, etc. I keep getting bombarded by ads and manufactured news stories about how great "the cloud" is. Back in 2008 when the cloud was taking off I was reading up about the proper "cloud" services like Google AppEngine, where you write in Python against Google's API and that's how they scale your application across servers and also use their database provider for scaling storage. Simple enough to understand. Then came along Amazon, and I understand how Amazon Storage works, but I'm not sure how Amazon Compute works: web application pages don't take much CPU time to compute, how do you even quantify usage anyway? Finally, RackSpace gets in the act and now I'm really confused. RackSpace advertise "Cloud" SQL Server 2012 available for about "$0.70 per hour", going by how they advertise it I thought the "hour" meant the sum of CPU time, IO blocking time, maybe time spent transferring data, so for a low-intensity application that works out pretty cheap then? Nope. I went on to a Sales Chat window and spoke to one of their advisors. They told me the $0.70/hour was actually for every hour the SQL Server is running... but who wants a SQL Server for only a few hours? You're going to need it available 24 hours a day for months on end. $0.70 * 24 * 31 works out at $520 a month, which is rediculously expensive for SQL Server. An SPLA license for SQL Server is only $50 a month or so. That $520 a month does not include "fanatical support", and you also need to stack on top the costs of the host Windows server instance too. From what I can tell, Rackspace's "Cloud" products seem like like an cynical rebranding of an overpriced VPS service, but priced by the hour. I have the same confusion about Windows Azure which uses similar terms to describe the products available, but I think that's because Azure offers both traditional shared webhosting in addition to their own APIs you can target for scalable applications.

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  • Wireless Network suddenly cant connect after Windows update

    - by vinir
    UPDATE: As my patience started to end, the laptop started to display symptoms of other malfunctions, so I ended up returning it to Asus and actually had the price of the laptop back in store credit. I did not solve the problem per se, but as I don't have the notebook and the screen, the keyboard, the touchpad and other parts were malfunctioning, I can safely assume that it was put to rest. I don't know how to behave when my question isn't actually answered, but was "solved", so I placed this over here. Anyone that knows how to end this topic, I would appreciate the heads up. Thanks for everything, everyone, it's nice to see that this topic in the community was active even when all this time had passed. vinir So I bought an ASUS K43E notebook earlier this year and built a wireless conection to link it to. It worked great for the first weeks, but then I updated my Windows 7 Home Basic with the daily updates; After that my home network couldn't be reached no matter what I did. I have linux on dual boot on the same notebook and it can connect to my home wireless network flawlessly. I have a hunch that it's somehow related to the Network Profile settings. I have noticed my network was set as "Home network", but after the system updates I got changed to "Public". Now I can't connect to it to change the profile settings. My Atheros Network adapter is updated to the latest driver (march 2012), and I still can't connect. The funny thing is that the same thing happened to my mother's notebook, as it has the same Network Adapter, Atheros AR9285, as I recall it. I managed to fix it on my mother's computer by using an specific network LSP and profiling reset that was available through her notebook's antivirus program, avast! Internet Security. I can't get that to work on my notebook, but I suspect that some related tool might just make it work too. So the question is: how to modify a network's profile and settings that were stored in my notebook? I can't connect to the specific network on Windows, as stated before.

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