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• Problem with Ctrl key on a hp 2510p

  - by Ernelli

  I have a tricky problem with my corporate Compaq hp 2510p, the ctrl key is not working properly at all times. I belive that it is hooked in some filter chain that processes certain ctrl+[key] combinations which is very annoying. I would like some pointers on how to proceed when analysing what application/setup can can cause this kind of keyboard filtering to happen. Anyway some more background info: Ctrl works together with X, C, V. Both in editors and terminals (Ctrl-C, Z etc) but Ctrl-Shift-Esc and Ctrl-Alt-Del does not work. Very annoying so my only option for logging in us using HP's security app. Shift-Arrow works for selecting text, but not Ctrl-shift arrow to select word by word, but Ctrl-Arrow works when moving the caret word by word. Now the strange thing is that everything works ok with an external USB keyboard so it might be the driver, but still, google yields 0 when searching for the problem description. I have vm-ware player installed (but not running it), HP Protect Tools installed, if any of these could affect the keyboard driver.

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• Passenger/Rails not releasing memory

  - by michaeldelorenzo

  I have an Ubuntu server running three separate Rails (2.3.8) applications with Passenger, REE and Apache. Recently we started experiencing problems with ruby processes eating up memory and consuming entire cores on our server. Here's what we're getting... %CPU PID USER COMMAND 99.9 1717 nobody Rails: /var/www/api 99.6 5542 nobody Rails: /var/www/api 97.3 1223 nobody Rails: /var/www/api 4.7 5537 nobody Passenger ApplicationSpawner: /var/www/api 10.5 1801 nobody Rails: /var/www/api We've also seen instances where there have been over 100 instances of Apache running. These applications have been running for a few months without an of these issues, but in the last day or so we've been noticing this. The site referenced here is a Rails application that is a RESTful API so it serves many requests every minute. Any guidance on what we should be checking or looking out for would be appreciated.

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• Graceful logout in dwm

  - by Riateche

  I want dwm to close all windows gracefully when I press quit hotkey. I like Unity behaviour: it displays list of windows denying logout (for example, editors with unsaved changes) and do not logout before all issues are resolved and applications are closed. By default, dwm just end X session and all running applications are killed. I was thinking about writing a script that will retrieve list of all windows, gracefully close them and wait for their processes to finish. But I even don't know how to close windows. The only way I know is using wmctrl, and this utility doesn't work with dwm.

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• VPS stops responding every now and again

  - by Or W

  I have a Linode vps that I use to host some of my websites on. It's Ubuntu based and it's up to date in terms of all packages. I don't have any cron jobs scheduled or any automatic processes. I host a few (up to date) wordpress blogs there that have very little traffic altogether. Every day (at a different time) my server stops responding, I can't SSH to it, web access is getting timed out and it just dies until I reboot it through the Linode manager. On the linode dashboard I can see that the CPU is not very high (2-3%) Incoming/Outgoing traffic is on 0 and the IO count has a spike just before the server stops responding (SWAP IO is at 2k and IO Rate is at 5k). When I reboot the server everything is just fine. I'm trying to figure out a way to analyze what's going on at these random times where the server freezes up. How can I determine the problem?

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• nginx php-fpm keeps downloading files

  - by Sam Williams

  vhost: server { listen *:8080; location / { root /var/www/default/pub; index index.php; # if file exists return it right away if (-f $request_filename) { break; } if (!-e $request_filename) { rewrite ^(.+)$ /index.php$1 last; break; } } # serve static files directly location ~* \.(jpg|jpeg|gif|css|png|js|ico|html)$ { access_log off; expires max; } location ~* \.php$ { # By all means use a different server for the fcgi processes if you need to fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param PATH_INFO $fastcgi_script_name; include /usr/local/nginx/conf/fastcgi_params; } location ~ /\.ht { deny all; } } http://192.168.135.128/index.php loads just fine... http://192.168.135.128/public_/html/index.php downloads...

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• Monitor windows startup process

  - by vlad-ardelean

  My win7 starts up pretty slow lately. I think it's some kind of malware, but my antivirus software doesn't pick up anything. How could i monitor the startup processes myself? It seems to me like either something's doing a lot of work, or some important windows process hangs for a while, since there's stuff that i can do while it's starting (like start a console), and stuff that i can't do (like execute the systeminfo command in the console) So if you happen to know how i can monitor my system, that would be great. Thx, you guys rule.

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• How To Check My Current Version of FFMPEG

  - by aamiri

  I have FFMPEG installed on 2 different servers. On one of the servers, i run into an issue every time i try to convert m4v files where ffmpeg just processes the file indefinitely. When I take the same source file and try to run it on the other server it seems to work just fine. Both servers are running the same version of GNU/Linux. Some one suggested i check to see if the same version of ffmpeg is installed on the servers, so my question to you all is, "how do i check my ffmpeg version?" Thanks!

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• Access denied to EFS encrypted files after PC joins domain

  - by mjmarsh

  I'm experiencing strange behavior with Windows Encrypted File System: I have a machine that is in workgroup mode (not joined to a domain) I encrypt an entire directory structure on the machine (basically a folder and subfolders with data files for my application). My application writes and reads files from the encrypted file hierarchy as a local Windows user (let's call the account 'SecureUser'). This works fine I then join the PC to a domain (Let's call it 'TEST') Afterwards, processes running as the local 'SecureUser' account can't read the files it wrote originally when it was off the domain (What is also strange is that the files are listed as "read only" now and I cannot unset this flag via Windows Explorer or the command line, even though it looks like it succeeds) I then 'un-join' the PC from the domain and everything works again Is there something about changing domain membership on a PC that changes the behavior of EFS so that previously encrypted files cannot be read, even by the originating user? Thanks in advance

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• How do I remove Lenovo Veriface from the login screen?

  - by Xenorose

  I have a Lenovo laptop which came preloaded with Windows 7. Every time I start the computer and get to the Windows log-in screen (where you enter the user password) I get a message about Veriface software giving me the option to use it. I'd like to disable this. I went over the Program's settings and there is nothing that allows you to disable it from loading with Windows. Also, I thought that it might be a service to disable, but I don't see it in the list of services, nor is it in the list of start-up Processes (either in msconfig or in the registry). I'm considering uninstalling it completely, but since it's a part of the lenovo software pack that came with the computer and I do use some of these software, I'm not sure if uninstalling it might also remove wanted things (and uninstalling and reinstalling if needed seems like a mess). Anybody know if there's an easy way to achieve this?

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• Running 32 bit SQL Server 2005 on 64 bit Windows Server?

  - by TooFat

  If I have a 32 bit version of SQL Server 2005 running on a 64 bit Windows Server does the max amount of memory avail. the SQL Server process increase from 2gb to 4gb. In reading this blog entry by Mark Russinovich in which he states that "All Microsoft server products and data intensive executables in Windows are marked with the large address space awareness flag" and "Because the address space on 64-bit Windows is much larger than 4GB, something I’ll describe shortly, Windows can give 32-bit processes the maximum 4GB that they can address and use the rest for the operating system’s virtual memory." which leads me to believe that the answer is "yes" but I not totally confident.

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• Can the JVM(Oracle) run into an OutOfMemory error if the heap size is below the max?

  - by user439407

  I am running a Tomcat site(with an NGinx front end) that seems to be randomly running out of memory even though the max heap size is pretty large. My question is is it possible for the JVM to get an OutOfMemory error even if the heap size is significantly less than -Xmx? For instance, here is a snapshot I took just 15 seconds before an OutOfMemory error: Tue Dec 18 23:13:28 JST 2012 Free memory: 162.31 MB Total memory: 727.75 MB Max memory: 3808.00 MB I guess theoretically it's possible that my code generated 3 gigs worth of objects in 15 seconds, but I highly doubt it. It seems like the JVM was unable to grow the heap even though it theoretically had room....Is it possible that other processes started using memory to the point that the JVM could not grow? I am running 64-bit Oracle Hotspot on a 64 bit vm running CentOS 5 with 6 gigs of ram.

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• Problems getting auditd set up on my server

  - by Tola Odejayi

  I'm trying to figure out which processes are deleting files from a specific directory, so I want to set up and run auditd on my system. I've set up the following rule in audit.rules: -w S unlink -S truncate -S ftruncate -a exit,always -k cache_deletion -w /home/myfolder/cache Then I type this to start the audit daemon: auditctl -R /etc/audit/audit.rules -e 1 But I get this error message: Error - nested rule files not supported Does anyone know what I am doing wrong here, and how I can resolve this? Also, what do I have to do to get the daemon running at startup?

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• php-cgi got SIGKILL on burst.net VPS?

  - by Shawn

  I got an VPS at burst.net, very cheap one, but this doesn't matter. The strange behavior of it is, the php-cgi process, which started using lighthttpd's spawn-cgi, dies every a few minutes. however, other processes are fine and great, even include a java process, and I'm sure there is no "out of memory" issue, so it's not killed by OOM killer. I used strace to trace the process, and found out it was killed by SIGKILL, hence no single log was left on the disk, just dies suddenly. Is there anyway I can find out what process/thing sent the SIGKILL to the poor php process? Filed a ticket with the vendor, but they said they won't care. strace -p 7176 Process 7176 attached - interrupt to quit wait4(-1, <unfinished ...> +++ killed by SIGKILL +++

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• Is it possible to mod_rewrite BASED on the existence of a file/directory and uniqueID? [closed]

  - by JM4

  My site currently forces all non www. pages to use www. Ultimately, I am able to handle all unique subdomains and parse correctly but I am trying to achieve the following: (ideally with mod_rewrite): when a consumer visits www.site.com/john4, the server processes that request as: www.site.com?Agent=john4 Our requirements are: The URL should continue to show www.site.com/john4 even though it was redirected to www.site.com?index.php?Agent=john4 If a file (of any extension OR a directory) exists with the name, the entire process stops an it tries to pull that file instead: for example: www.site.com/file would pull up (www.site.com/file.php if file.php existed on the server. www.site.com/pages would go to www.site.com/pages/index.php if the pages directory exists). Thank you ahead of time. I am completely at a crapshot right now.

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• Visual Studio 2010: Is it possible to force editor to use ANSI rather than UTF-8?

  - by Mark Redman

  I am having issues with some files in automated processes, specifically with batch files and sql files. Visual Studio seems to create these as UTF-8 rather than ansi and adds some kind of special characters to the beginning of the file (I think this is a called a pre-amble) This breaks running batch files and running swl files through osql.exe. I have had issues myself in the past in creating text files using C#, but can get around that through encoding. However its seems a bit strange I cant use Visual studio to create batch files and sql files in a database project for automation.

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• cpu usage nearly 100 constantly windows xp sp3

  - by user23954

  When running some heavy applications like games or virtual box for some time.. the cpu usage is normal for some 15 mins and then suddently cpu usage increases. even after i quit the heavy apps and when i start some other apps, the cpu usage of the new opened application is also very high.. this continues until i reboot the system. There is single particular process occupy more cpu. All the processes cpu usage is little high than normal.. Any solutions?

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• Graphing per-user CPU usage on a Linux machine

  - by mart1n

  I want to graph (graphical output would be great, i.e. a .png file) the following situation: I have users A, B, and C. I limit their resources so that when all users run a CPU intensive task at the same time, those processes will use 25%, 25%, and 50% of CPU. I know I can get the real-time stats using top but have no idea what to do with them. I've searched through the huge top man page but haven't found much on the subject of outputting data that can be graphed. Ideally, the graph would show a span of maybe 30 seconds. Any ideas how to achieve this?

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• Launch script after SFTP disconnect

  - by Mates

  I'm currently using Caja (basically the same as Nautilus) to connect using SSH to my server and work with files. What I'm looking for is a way to launch a simple script when I disconnect - I can launch a script after disconnecting from the TTY by putting it into ~/.bash_logout file, but that is not executed when disconnecting from a file manager. The only idea I have is to set up a cronjob which would be checking for existing sftp-server or sshd processes periodicaly and launched the script when there's no such process running. Is there any easier way to do this?

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• Can't see CMD.EXE on Windows 7

  - by Andrea

  I have a problem with Windows 7 and cmd.exe with these conditions: Logon as non admin user Launch cmd.exe I can see cmd.exe in task manager but it's invisible in the desktop and I don't know what to do, everything is fine and I can see cmd.exe if I do login with an admin account. I can see it in the "Process" tab but not in the "Application" tab, and if I launch five cmd.exe's, I see five processes, but from that tab I have no "Bring to front" or "Maximise" I can't find any WOW folder under C:\Windows, even with show hidden and system files enabled. I'm running Windows 7 32-bit running on a 64-bit Intel Core 2 Duo E7500

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• Comparison in Monit Permissions Testing

  - by beanland

  I'm trying to use Monit to check the permissions of a particular directory, but I only care that it's readable to all users. I don't care about any other permissions (write, execute) for the owner, group, or all. I also don't care about any special permissions. Knowing that I can't change the permissions of this directory, and with the possibility of another administrator changing these permissions without affecting my processes that rely on this directory (i.e., granting or revoking write access to the group), is it possible to check for a minimum permission in Monit? I have this which is currently working: check directory archive path /var/home/archive/ if failed perm 0755 then alert But I would like to have something like tihs: check directory archive path /var/home/archive/ if failed perm > 444 then alert This is failing for me. Is it possible to use comparison operators in Monit's permissions checking? If not, are there any workarounds?

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• What is the maximum memory that an IIS6 web site/app pool can use?

  - by Robin M

  I have an IIS 6 server running on Windows 2003 SP2 x86. The server has 4GB of RAM and runs consistently with 2GB allocated. I realise that with x86, the server won't utilize all of the 4GB RAM and the application space is also limited but the IIS processes seem to be limited elsewhere. w3wp.exe never has more than 500MB allocated and I occasionally get OutOfMemory exceptions from a busy .NET application (there are several applications running, each with a separate application pool). What is the maximum memory that an IIS6 web site/app pool can use?

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• Linux freezes every few seconds

  - by Zeppomedio

  We're having an issue where one our Linux boxes (Ubuntu 10.04 LTS, running on EC2 with a quadruple-large size, 68GB of RAM and 8 virtual cores with 3.25GHz each) freezes up every few seconds. Typing in an ssh session will freeze, and running strace on one of the Postgresql processes that's running usually shows: 02:37:41.567990 semop(7831581, {{3, -1, 0}}, 1 for a few seconds before it proceeds (it always gets stuck at that semop). OProfile shows that most of the time is spent in the kernel (60%) versus 37% in Postgresql. The result of these halts (which began suddenly a day ago) is that load on the box has gone from 0.7 to 10+, and causes our entire stack to slow done. Any ideas on how to track down what's going on? iostat doesn't show the disks being particularly slow or overloaded, and top shows user cpu % spike from 8% to about 40% whenever these back-ups happen.

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• Logging in over ssh in a different session?

  - by Jordan Reiter

  I don't know exactly what the correct term is, but I notice if I log in to a remote SSH server, then close the window, open a new one, and log into that server again, my bash history and user processes appear to be different. For instance, if I started a background process I can't get back into it, or something I typed won't show up in my bash history. The problem is for some reason occasionally something happens to my remote session and instead of being disconnected the session just hangs; I have to close the window and open a new one to reconnect. As a result sometimes it means a long running process basically is "lost" since I can't get back into it. Is there any way to set it up so that when I log back in I log back in to the same "session"? This is using OS X Terminal.

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• How can I monitor network usage by process on Mac OS X?

  - by psmith

  Is there any way to find out which process using how much internet bandwidth on Mac OS X Lion? I'm on mobile internet now, which is not very fast, so it would be nice if I can tell that for example, Chrome using 10kB/s, and Skype using 2kB/s. I can see the total amount of traffic in Activity Monitor, but it is not enough for me. I'd like to use an existing application, not interested to write an app like this. And I'm not interested in the actual traffic, only the number of bytes transferred and received by each processes.

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• Win XP shut down window very slow to appear

  - by Heckmaier

  Hi all, I click Start-Shut Down and the Shut Down window takes 5 minutes to appear. This problem doesn't happen after a fresh boot, it only happens after I have been logged on for awhile. I am using a MacBookPro with Bootcamp. The machine actually shuts down quickly, its just really slow to bring up the shut down window. Basically I would like to know if: 1) Anyone has any ideas why this would happen 2) Who owns the "Shut Down" window (i.e. what happens on the OS after I click the Shut Down icon in the start menu) I've tried perusing the task manager to try and see if any processes look suspicious, but to no avail. thanks, H

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