CentOS is an Enterprise-class Linux Distribution derived from Redhat Enterprise Linux sources freely provided to the public.

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5
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2answers
2k views

rsyslog drops messages excessively

We have a CentOS machine acting as our syslog server. I recently noticed that the machine has been dropping large numbers of syslog messages at times. We have over 250 routers and switches, as well ...
1
vote
1answer
955 views

Red Hat Network (RHN) and package updates

I was just reading about Linux servers and Red Hat Enterprise Linux. What exactly is the Red Hat Network (RHN)? From what I've gathered, you subscribe to it to be able to update your system. Does this ...
1
vote
1answer
245 views

Perl dependency issue

I've installed CentOS 6.3 (i386) recently. It has two perl binary /usr/bin/perl (v5.10.1) /usr/local/appx/perl/bin/perl (v5.8.8) My question: Is it possible to install some other funtinonality ...
3
votes
3answers
964 views

Colorize Bash Console Color

I need to be able to set my CentOS 6.4 bash prompt color to yellow. I've managed to find where to set this (.bashrc) and the ANSI color for yellow (\e[0;33m). I've setup my prompt as follows: ...
4
votes
2answers
4k views

Install a GUI (KDE) on a centos 5.3

I'm trying to install KDE on a vps of centos 5.3. These are the steps: yum install kdepim yum install vnc vnc-server x11-xorg vncserver vncserver -kill :1 vim ~/.vnc/xstartup #(replaced the last ...
0
votes
1answer
60 views

Where to put generated certicate for user [duplicate]

I was following this tutorial and I want to implement mutual authentication between server and client, where server and CA (certificate authority) is the same thing. I reached the last step and I ...
1
vote
1answer
132 views

Where can I find mailfromd RPM's for CentOS 6?

I have been trying to locate an RPM for GNU Mailfromd and it's dependencies and have been quite surprised to find it absolutely nowhere on the 'net. Only place I could find any RPM's were for ...
1
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0answers
230 views

Wifi module doesn't work anymore in CentOS

Like the title said, my wifi module doesn't work anymore. After a kernel upgrade. The wifi LED is permanently red. I can only use a wired connection. EDITS I add only the lscpi output because the ...
3
votes
2answers
531 views

rpmbuild: Is there a way to specify recommended packages

So, search as I might, I can't find anything about specifying recommended packages in a spec file. I wouldn't even consider it possible if I hadn't seen it in the spec file for Mono 2.10.9. It reads ...
2
votes
1answer
200 views

rpmbuild: How can I 'Require' one package *or* another

So, I'm trying to fix a spec file right now for rpmbuild. On Suse, it looks like the X11 library development package is named "xorg-x11-libX11-devel" while on CentOS it seems to be named ...
2
votes
1answer
691 views

Running 'make test' on an individual module for Python 2.7.4 build

I am working on building Python 2.7.4 on CentOS 6.4. When running the make test step, the test_gdb step fails, and I would like to get some more info as to why. Build commands I'm running: ...
4
votes
3answers
303 views

What process is running before I even get a prompt?

When I log in to a specific server I see the following: Note that I get get Last login: ... information but no prompt. I hit Ctrl+C and only then do I get my prompt, thus proving that my username ...
0
votes
1answer
1k views

How can I disable or limit disk cache memory usage globally?

The disk cache takes too much memory in my OpenVZ VPS. How can I disable or limit disk cache memory usage globally? I am using CentOS 6.4.
1
vote
2answers
418 views

Monitoring script started by rc.local

We have a C program which is started using rc.local´. We added a line like this: /usr/local/bin/pc to the rc.local file. pc is a compiled C program. Everything is working fine at the moment. What ...
0
votes
0answers
1k views

CentOS, Django, mod_wsgi permission error

Running CentOS 6.4, Django 1.5.1, and mod_wsgi 3.2. I've set up a simple server configuration but when I restart the httpd service I get the following error in the logs: (13)Permission denied: ...
0
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0answers
457 views

Trouble communicating with FTDI FT245RL on ttyUSB0. works fine on Win7x64

I purchased a Sainsmart 4 channel USB relay board which seems to be based on a FTDI FT245RL chip. I should be easy enough to use. when you plug it in it appears as a serial port (VCP). You send it ...
0
votes
0answers
160 views

uploading from Netbeans to remote CentOS server failed

I have a php web application on Netbeans on my Ubuntu , and server is CentOS on a virtualBox . Suddenly uploading to server stopped and I'm getting these errors for non-root user : Failed: file ...
0
votes
3answers
3k views

libxml2.so.2: cannot open shared object file: No such file or directory

I am using CentOS in which i had removed libxml2 accidentally now it was showing the following error as follows: There was a problem importing one of the Python modules required to run yum. The ...
0
votes
3answers
3k views

Reinstall package in CentOS

I am trying to install a perl package and getting the following dependencies error: [user@localhost Downloads]$ rpm -Uvh ImageMagick-6.8.4-9.i386.rpm error: Failed dependencies: libltdl.so.3 is ...
2
votes
2answers
891 views

How to disable trash?

This is a nice and straightforward question: how can I disable the Trash Can in Gnome running on CentOS/RHEL 6.4? I know I can use Shift + Del, instead of Del to bypass the Trash; but how can I ...
1
vote
1answer
379 views

Add ipv4 support to CentOS 6.3

I've installed two identical versions of CentOS using VirtualBox. The first instance works fine and has ipv4 configuration automatically working, but the second instance doesn't; it only comes with ...
1
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0answers
900 views

Why doesn't /etc/udev/rules.d/70-persistent-net.rules exist on virtual machines?

CENTOS 5.9 I'm curious, why doesn't /etc/udev/rules.d/70-persistent-net.rules exist on virtual machines with CentOS 5.9? Is there an alternative file name for this when using a virtual machine?
0
votes
1answer
2k views

adding home directory after -M option

First off I'm new to Linux. I have created a new user called "ginny" with -M option. Now I'm trying to assign a home directory with usermod -d /link/to/directory ginny but it doesn't assign a home ...
2
votes
0answers
228 views

Setting up surround sound with optical out

I have centos 6.3 running on this pc. the built in sound card is detected normally and is a 7.1 card with all speakers listed. It includes a optical out as well as hdmi for the built in video. It ...
1
vote
1answer
783 views

How to add a GUI to a minimal install of CentOS?

I did a minimal install of CentOS 6.3 and now want to add a GUI. I tried using yum to install a GUI, but it is unable to resolve the CentOS repository server mirror.centos.org. I tried to install ...
3
votes
2answers
936 views

Using TMUX on boot up of Linux CentOS

I'm trying to figure out a way in which I can boot TMUX under a user other than root, but automatically whenever Linux starts. At least that's what I think I need. What I want is to be able to SSH ...
1
vote
1answer
154 views

Establishing I/O Patterns for an Application

Are there any system tools that allow you to profile an application's usage of storage? Basically, I'm looking for information on determining whether there are more large sequential reads, tiny ...
1
vote
0answers
232 views

403 Forbidden on Sub-Folders

I am a Linux newbie and decided to do a LAMP install to start getting more familiar with it (as our company is moving more towards nix these days). Everything went great and PHPMyAdmin, MySQL, ...
1
vote
0answers
1k views

Unable to install Atheros AR8161 Ethernet controller driver for centOS 6

I've installed CentOS 6.3. However, eth0 does not show up on ifconfig. So I figured out that I need to install alx Ethernet driver from here. Since my internet is not working, as ethernet drivers are ...
7
votes
2answers
9k views

DHCPD ignoring my subnet declaration

eth0, my internal interface, has a static address of 10.0.0.1. I also have an interface, p4p1, acting as my external interface. If it matters, my external interface is not physically connected and ...
0
votes
1answer
872 views

non root ssh keys help

I'm having issues setting up a different CentOS account with its own pair of SSH keys. I have created the required files but when connecting with Putty it says Connection refused, here's the putty ...
3
votes
1answer
684 views

CentOS network connection breaks every 5 min

I installed CentOS 6.2 about a month ago and it worked fine. Two days ago I saw that the internet connection is broken, so I reconfigured it. I was able to use it but after a few minutes it broke ...
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0answers
147 views

Booting 32bit CentOS from external HDD on Lenovo IdeaPad Y580

I've got Lenovo IdeaPad Y580 with a 64bit CPU and I would like to boot it from my external Toshiba HDD with a 32bit CentOS 6.4 installed on it. However all my tries ended up with kernel panic: not ...
0
votes
1answer
7k views

Centos freeing up disk space

I have a CentOS server running Plesk and it's run out of space on the plesk partition. I have narrowed down where a lot of the disk space is being used, but I'm not sure how to move forward. Can I ...
0
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0answers
115 views

User installation emacs 23 on a centos 5 with system-wide installed emacs-21.4-20.el5?

I would like to install my own copy of emacs 23 on a Centos 5 Linux where I don't have admin rights. I would like to have my own modern copy of emacs on this Centos 5 system since I've got a problem ...
3
votes
2answers
4k views

Installing CentOs 5.5-x86_64 kernel hangs with message NET: Registered Protocol family 2

The title pretty much says it all. I am attempting to install CentOS 5.5 on Oracle VM VirtualBox. I press enter for normal installation, things start to happen and then it hangs with the above ...
0
votes
2answers
3k views

increasing a logical volume

I need to increase the logical volume of the var directory, the maximum size of var right now is 10GB, I need to make it 50GB. I have a Centos 6 server. The output of df -h is: Filesystem ...
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0answers
417 views

selinux, dovecot and sieve

I've just started learning to configure SELINUX and this morning on my CentOS 6.4 x64 system, with postfix/dovecot/mysql installed, I woke up to the following selinux issue found 1 alerts in ...
-1
votes
1answer
240 views

Plesk, Centos server error: Cron <root@…> cd /tmp;curl -s -O http://…/r.png;perl r.png;rm -fr r.png [closed]

I had the bright idea of clearing some space on the root partition. I thought I was fairly safe from what I have read by removing some of the locale files for Plesk and some of the backup.tar.gz and ...
0
votes
1answer
580 views

netinstall media of CentOS 6.4 is broken?

I couldn't find a way to customize the partition schema during installation of CentOS 6.4, all these 3 options lead me directly to the "confirm disk change" screen. Was it configured to be so? ...
1
vote
2answers
295 views

Which Linux distribution is suitable for serverside development and somewhat easy to use?

I need to setup a Linux-based server which is going to be the backend for our web services. This is what I need: (In order of importance) A GUI to manage applications and files It would be running ...
0
votes
1answer
77 views

Installing a software on Linux- Centos

I am a complete amateur in Linux. There is a software that only runs on Linux. It came with a virtual machine package and every thing. When inside the virtual machine, I run a .py file in the ...
1
vote
2answers
541 views

Is it possible to have a cron job run more frequently than once every minute?

CentOS 6 I have a shell script that performs a task every minute. The task itself only takes a couple seconds to complete and ideally I'd like to have this shell script execute 2-3 times per ...
3
votes
1answer
4k views

How to colorize “root” in red in CentOS?

This is the content of /etc/bashrc, I would like to modify it for show "root" as red but don't know where to add the color code. # /etc/bashrc # System wide functions and aliases # Environment stuff ...
2
votes
1answer
8k views

How do I configure CentOS 6.4 to allow normal users to run startx, without installing Gnome/KDE?

I installed CentOS 6.4 x86 from the minimal installation CD into a qemu/kvm virtual machine and installed the basic X server using: yum groupinstall "X Window System" "Fonts" When I run startx as a ...
5
votes
2answers
7k views

How does createrepo work. How does yum understand parse its files. A conceptual explanation

I am not looking for a how-to on creating a repo (createrepo) or using yum. I want to understand how they work together. I want to know what files yum looks at and why, what those files contain. I ...
2
votes
2answers
4k views

Can I “yum upgrade” to a specific CentOS version?

I'm using a third party proprietary application on CentOS 5.4, which is known to malfunction on pristine 5.9 or later. I would like to incrementally upgrade to the latest CentOS version where that ...
4
votes
3answers
2k views

Can't open syntax.vim error when using vimrc

When I try to open my .bashrc file. then it shows these lines: Errordetected while processing /etc/vimrc: line 45: E848: Can't open file /usr/share/vim/vim70/syntax/syntax.vim Press ENTER or type ...
1
vote
0answers
463 views

RHN Satellite scout won't push

My RHN Satellite (Spacewalk) server is having issues with monitoring. The Spacewalk Monitor Scout will not push out successfully. It always stops with a Request Expired status. I can't seem to find ...
1
vote
1answer
157 views

IPs that I bound keep stop responding to ping

So Internic sent over a few cs, and it seems fine on some of them. However, on some I have to run arping -U on to get them up and they only seem to stay up for a short time. They are a /24 properly ...