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Questions tagged [centos]

Questions specific to the CentOS Linux distribution. Use this tag if your question relates to how the CentOS distribution affects your problem; do not use it if you just happen to be using CentOS and your question is about a specific configuration detail or syntax.

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6
votes
1answer
9k views

Rename All Files with a Certain Name

I'm trying to find certain files with the name "stringx" and replace the name (but not the extension) with "stringy". So basically for stringx.txt and stingx.cs, I'd want stringy.txt and stringy.cs. I'...
3
votes
1answer
10k views

Where can I find a list of all yum repositories?

Now that I know more about yum from my previous question Where is the best location for finding information on /yum? I need to start playing with some new repositories. Where can I find a list of ...
3
votes
1answer
10k views

Can't login as root even after resetting the password

We're running a small Centos 5 server in a virtual machine for a class assignment. For reasons unknown, starting about a week ago a number of services started failing. When we tried to investigate we ...
1
vote
2answers
218 views

Move Web Directory to Raid Array

I want to improve the performance of a web application running on Apache, so I created a Raid Array on /dev/md0. Now I need to figure out how to move the application to the array and make sure that ...
4
votes
0answers
1k views

How can I tell if no_root_squash is enabled from an NFS client without mounting the share?

Obviously, I can look at /etc/exports on the NFS server-side to see if no_root_squash is enabled, but is there a way I can check this from the NFS client-side without actually mounting the share? ...
2
votes
1answer
5k views

How to install java on CentOS VPS through ssh

I wrote a little Java servlet and, in order to run it, acquired a VPS which runs Centos 5. Now, in order to run it, I guess the first thing to do is to install the latest JRE. I have ssh access and ...
3
votes
3answers
2k views

How do I check if a distribution is Fedora-based?

The Python M2Crypto library requires a slightly different installation command if the Linux distribution is Fedora-core based (e.g., Fedora, RHEL, CentOS, Scientific Linux). Is there a way to check ...
2
votes
1answer
2k views

Remove shutdown/reboot options from logout window

In my CentOS5 installation in KDE, users get presented the options to terminate the session, reboot, and shutdown. Since this computer should always remain on, I'd like to remove the reboot and ...
3
votes
3answers
11k views

How can I get to a terminal or virtual console when Ctrl-Alt-F2 fails?

When X and GNOME are working normally, I can just hit Ctrl-Alt-F2 to leave GNOME and use the terminal on the second virtual console. To switch back to GNOME, I can just hit Alt-F1. Today, X or GNOME ...
0
votes
2answers
900 views

How do I set different directories for different domains on CentOS 5.5 server?

I'm running a CentOs 5.5 server and wanted to know what commands I needed to run to be able to do the following; I have 3 domains on the server - example1.com, example2.com, example3.com I wanted ...
5
votes
2answers
4k views

/dev/sda2 has gone 49710 days without being checked, check forced

Why the shell show "/dev/sda2 has gone 49710 days without being checked, check forced." at centos start and then reboot? ...... /dev/sda2: Superblock last mount time is in the future. FIXED. /dev/...
10
votes
1answer
2k views

How do you omit “./” when running scripts on current directory

On some tutorials over the internet they can run a script on the current directory without doing: ./script How do you omit this? I am using CentOS 5.6 x64. I want to run it this way script
3
votes
1answer
1k views

How to turn off all event notification under CentOS 6/GNOME?

In the top right corner under CentOS 6/GNOME it pops up messages if ex.: ethernet is connected, update has failed, etc. How can I completely turn OFF these messages??
1
vote
1answer
183 views

No installation option with livecd

I'm currently running Windows 7 x64 Professional and want to dual-boot with CentOS. I made a disk partitioning and wrote an image of CentOS on flash drive. But when it is being booted there's no ...
4
votes
1answer
4k views

User logged in by sftp does not show up in `w`

My server is Centos 5. I have a chroot environment set up with the following in my sshd_config Match group sftponly ForceCommand internal-sftp ChrootDirectory %h AllowTcpForwarding no ...
1
vote
1answer
1k views

iostat usage and output

When I run the iostat command like this: iostat -d I get a result something like this: Linux 2.6.18-238.el5 (mon01) 09/03/2011 Device: tps Blk_read/s Blk_wrtn/s Blk_read ...
0
votes
1answer
99 views

vim always shows help/documentation

Whenever I run vim, it randomly shows the help/documentation at a non particular time. How do I disable that. It's irritating.
1
vote
3answers
480 views

How to install CentOS 4.7?

I am trying to install CentOS 4.7. When I get on to the mirror site, it offers me different binaries, bin1of5, bin2of5,bin3of5, etc. I just want the basic version. Which one should I download? Thank ...
2
votes
2answers
959 views

CentOS server migration

I have 2 dedicated servers at the moment both running CentOS 5.3 and Plesk 10, but I'm about to give up trying to transfer the data from old one to a new one, because they just wouldn't connect via ...
8
votes
3answers
8k views

How to execute a script on gdm login automatically for all users?

What file should I modify to execute some instructions when any user logs in through gdm? I tried /etc/bashrc but that is executed ony when starting bash (and each time an xterm is open). I'd like to ...
7
votes
1answer
5k views

Force X to use second video card so I can pass through first card to XEN VM?

So I am trying to get X to start on my second (PCI 02.00:00) video card and stop using the main card (PCI 1.00:00). I would like to do this because I want to pass through the PCI 1 card to a XEN HVM ...
3
votes
1answer
4k views

command line tool to set time zone

In Centos 5.x there is the text mode interface of system-config-date to set the time zone. Although that utility still exists in Centos 6 the text mode is gone. Is there anything similar in Centos 6?
3
votes
1answer
2k views

Is it safe to delete the quota.user file?

Is it okay to delete the quota.user file from the root directory? This file is 2.7GB in size and I need to wipe it from the system. I ran: $ quotaoff -avug $ mv quota.user quotaold.user $ quotaon -...
1
vote
1answer
3k views

Do special characters in paths pose a problem when mounting network shares?

I am trying to create a permanant access point to a windows share from a CentOS 5.5 machine. I edited the /etc/fstab file to have the following entry: //travellot/ArcGIS Setup's/9.3.1 Entire/...
4
votes
2answers
2k views

Using YUM or installing APT on CentOS

I am having trouble with a centOS machine I am using. I need some packages, including john the ripper, but yum cannot find the packages. When I type sudo yum install john, I get back the nothing to ...
0
votes
1answer
362 views

Where to find this specific source (centos 2.6.18-53.el5PAE)

okay all my looking around on the normal kernel site ftp can't find it. I need specifically, the PAE version. I am compiling virtualbox and if you don't use the right source you get this lovely: ...
6
votes
2answers
11k views

How can I get a list of long running processes that match a particular pattern?

I know that I can do ps aux | grep cgi to get a list of all cgi scripts currently running, and ps -p [pid] -o etime= can get me the run time for each pid; is there a way to combine the two, or better ...
1
vote
2answers
1k views

Failed dependencies

I am searching for the following : libpython2.5.so.1.0 libtinfo.so.5 python(abi) = 2.5 I searched , but I am not able to find these. I am running Centos 5.6 with linux kernel 2.6.18-238.el5. $ ...
0
votes
3answers
306 views

Building from Source on CentOS 5 or newer

I've got a few applications of which I've got to build from source files in order to make it work on CentOS (the programs do not exist in the yum repos). I may be missing something, but unlike Debian ...
2
votes
2answers
4k views

How should I search for packages to install on CentOS 5.5?

Backstory: Recently, it was explained to me that to upgrade any package via terminal on a linux machine, I will need to use the distributions package management system to install or upgrade the ...
1
vote
2answers
12k views

Encountering this error /usr/bin/ld: final link failed: No space left on device

/usr/bin/ld: final link failed: No space left on device is the error coming when I'm trying to complie Open Source code project I have about 7GB free space over the Disk so I think that cannot be the ...
2
votes
1answer
1k views

Upgrade to Mozilla Firefox 5.0 using terminal on CentOS?

On the screenshot below is an icon squared in red. Clicking it will launch Mozilla Firefox 3.0.18. I want to upgrade Firefox to version 5.0 so that clicking the same icon should launch the new version....
1
vote
1answer
2k views

How to secure CentOS and FreeBSD by disabling USB ports and VGA output on-site?

Is it possible to disable USB ports and CDRom and VGA output in the Dell R310 from CentOS or FreeBSD (without BIOS)? A demo server is running in a customer test laboratory, where they can simply get ...
4
votes
2answers
3k views

Centos: Adduser/Passwd/Sudoer Script

I'm currently running a VPS on CentOS. I have an application running in the background and it will run a script under sudo to either disable or enable any account. So what I'm trying to create is a ...
1
vote
1answer
230 views

Compiling Source Code Error

While I'm compiling a open source project on Cent OS 5.5 I'm getting error "cc1plus warnings being treated as errors". Why and how to solve this problem.
2
votes
1answer
4k views

How to access shared locations on a windows machine from a linux machine via terminal?

I’ve setup a Virtual CentOS machine and set up a bridged network and static IP so that it can communicate with other Windows machines in the network. Currently, to access any shared directory, I ...
3
votes
1answer
6k views

How to fix possibly wiped MBR after centOS install?

I think I have messed this one up royally... I have done a clean install of centOS 5.6 (x86_64) on my system. I got through the installation process successfully and rebooted. Now I am greeted with ...
0
votes
1answer
890 views

In my Dell R310 server, i would like to install CentOS, but for RAID1 what special care i need?

I have my Dell R310 server to install CentOS latest version, it has 2 hot plug disk drive, about 250GB of each. - But i need to install RAID1 on it. My question is for RAID1 installation with ...
3
votes
1answer
2k views

ls -a not showing folder “system”, but echo * shows it

When I create a folder named system in my home folder, or in /tmp (can't try other locations as I am not root, but owner confirmed same problem even on root), ls -a will not show it. Also tried /bin/...
3
votes
1answer
4k views

Unable to make outbound SNMP connections when IPTables is enabled

I have a bunch of windows servers configured with the windows SNMP agent. Each server has four IP addresses and SNMP listens on all of them. There is something very odd with my monitoring server (...
0
votes
1answer
2k views

mon linux monitor install on centos - can't find glib.h although present

I am trying to install the linux_monitor package under Centos 5.5. When I try make I get: make[3]: Entering directory `/tmp/linux_monitor-2.0RC3/src/server' if gcc -DHAVE_CONFIG_H -I. -I. -I../../...
1
vote
3answers
818 views

How to set Internet Protocol properties using terminal?

When I set up a Virtual Machine with windows (using VMPlayer), I set the Network Connection properties from the VM settings from NAT to bridged. Then I proceed to set the following IP Properties in ...
0
votes
2answers
272 views

symbolic link to a large file

I have a large(1 TB) file that I would like to download from the centos server via http, should I create a symbolic link to the file to the http file directory? would the link work? the file is too ...
2
votes
2answers
2k views

install rtorrent failed using yum install rtorrent in CentOS

I want to install rtorrent as a client (NOT SeedBox). I tried the following command: yum install rtorrent I get following message: Loaded plugins: fastestmirror Loading mirror speeds from cached ...
0
votes
1answer
421 views

Problem with RAID5

I have a CentOS server with RAID5. Every time RAID5 re-syncs my server stop working. The hosting company stopped the httpd service so that RAID5 can re-sync itself, a process which can take as long as ...
1
vote
1answer
995 views

RHEL/CentOS: Installing a new version of Java, why not just change the path?

I am installing a new version of Java on a CentOS/RHEL Linux distro for a single developer to develop java. The way I want to install on this development system is to just put the new java version ...
2
votes
1answer
1k views

CentOS 5.6 x86 64 Not seeing all my memory

So I installed CentOS 5.6 on a box at my house and it is not recognizing all my memory. I have 2gb in the machine but when you run a 'free -m' or a 'top' or a 'cat /proc/meminfo' it only shows that ...
6
votes
4answers
4k views

Why do I need to hit enter to get my shell prompt after my init.d script completes?

I had to write my own CentOS init.d script for celery because it only ships with one for Debian. You can see the script I wrote when I answered my own stack overflow question 3989656. But there's a ...
-1
votes
2answers
329 views

CentOS command issue

This is what I am trying to run in VMware using CentOS 5 /pwnat: invalid option -- p usage: ./pwnat <-s | -c> <args> -c client mode (default) <args>: [local ip] <...
0
votes
1answer
3k views

Centos 'Login incorrect' problem

When I type my username and password into the login field, I receive the following error: Login incorrect How can I solve this problem? I am using CentOS.