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

learn more… | top users | synonyms (2)

1
vote
1answer
1k views

Ffmpeg problems on centOS 5.8 64 bit

I did install ffmpeg with winff, unsuccessfully when I try converting avi to x264, it says I don't have it. When I try to convert mp4 to Xvid I get unknown encoder 'libxvid'. It's like nothing really ...
2
votes
2answers
3k views

CentOS: Sharing WLAN for internet access

I have installed CentOS 6.2 on HP Proliant server. I want to share my USB wireless internet (Tata photon +). I am able to start internet on my server, but when I enable my LAN, I don't have internet ...
5
votes
1answer
8k views

Encode with ffmpeg using avi to mp4

What command lines to use to convert from avi to mp4, but without destroying the framesize and making the file small as the original size or a little bit bigger, and same thing with mp4 to avi? ...
1
vote
0answers
322 views

ffmpeg: error while running with libx264

Main code: ffmpeg -i 2269801.avi -threads 0 -vcodec libx264 -b 900k -acodec libfaac -ar 44100 -ab 96k -ac 2 earthgirlsareeasy1.mp4 [libx264 @ 0x16cdde10]broken ffmpeg default settings detected ...
2
votes
1answer
154 views

dag.repo overwritten

I accidentally overwrote dag.repo by trying to add this [dag] name=DAG RPM Repository baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag gpgcheck=1 enabled=1 does anyone have the ...
1
vote
0answers
225 views

i386 libtool conflicting with x86_64 libtool when installing Handbrake

I've been trying to install Handbrake on centos 5.8 with the help of some different guides. I'm running x86_64, and whenever I try to install packages necessary to build the binary, the arch ends up ...
1
vote
1answer
3k views

CentOS Apache virtual hosts sites-available type structure

I just set up LAMP on a new CentOS server. Previously when I installed LAMP on Ubuntu, I always needed to create a virtual host definition for each website I create in my /var/www directory. But on ...
-1
votes
2answers
445 views

Centos Crontab not responding

I was learning and experimenting with crontab today. The default editor was just too difficult for me to figure out which caused me to remove my crontab by running crontab -r. Now, when I run ...
4
votes
4answers
1k views

script for logging all the stats for a particular process

I want to monitor CPU usage, disk read/write usage for a particular process, say ./myprocess. To monitor CPU top command seems to be a nice option and for read and write iotop seems to be a handy ...
1
vote
1answer
169 views

Centos apache virtual hosts definition

Please excuse me if my logic is flawed as I am really new to Centos. I know I can define multiple virtual hosts in my httpd.conf file. But what I would like is to define virtual hosts in individual ...
1
vote
2answers
5k views

Partitioning for Web Servers

I was curious what some general best practices are in relation to partitioning for a new Linux VM that will be used as a web server? Are there certain guides that should be consulted or followed? ...
0
votes
1answer
299 views

Automount cdrom when accessed via NFS

I am currently running CentOS 5 on a server that has a built-in CDROM drive. I currently have a setup where /media/cdrom is automatically mounted by autofs as needed and I am exporting /media/cdrom ...
1
vote
2answers
294 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
0answers
37 views

How to make unused dependencies clean with yum? [duplicate]

Possible Duplicate: How can I remove Orphan Packages in Fedora? I need something equal gentoo's emerge --depclean so how to make unused dependencies clean with yum?
0
votes
1answer
4k views

Centos 6.2 static IP: only getting IPV6 address and need IPV4

I installed a Centos 6.2 min install. I have edited /etc/sysconfig/network-scripts and I have ifcfg-eth0,eth1 I have tried to setup static IPs but I only get IPV6 address back on both adapters and ...
3
votes
3answers
5k views

Trying to Open a Port using CentOS

(I'm new to this!) I'm running a virtual server running CentOS. I'm trying to run a server that listens on port 37760. The code I'm running executes successfully, so I run netstat -lptu To show a ...
2
votes
3answers
2k views

How to configure SELinux to print date and time in each entry in audit log?

I'm using CentOS 5.5 and by default my /var/log/audit/audit.log looks like this: type=USER_AUTH msg=audit(1331897657.359:8435): user pid=15610 uid=0 auid=4294967295 ...
4
votes
4answers
11k views

How to create Maildir directory with enough permissions for Postfix?

I have CentOS 5.5 with Postfix installed on it. I want to use local delivery agent with default setting, but I want it to store mail with Maildir directory style mailboxes. When I set the mailboxes ...
19
votes
5answers
16k views

How can I limit the bandwidth used by a process?

I have a CentOS 5.7 server that will be backing up its files nightly. I am concerned that visitors to the various sites that the server hosts will experience degraded performance while the backup is ...
6
votes
2answers
46k views

Static IPv4 & IPv6 configuration on CentOS 6.2

I try to configure static IPv4 & IPv6 configuration on CentOS 6.2. The configuration below works perfectly : # ifconfig eth0 x.x.x.x/29 # route add defalt gw x.x.x.y # ip addr add dev eth0 ...
5
votes
1answer
3k views

install using YUM without root permissions

So I don't have root permissions but I've been installing packages to a local directory on my(CentOS) system and it works fine. But I was wondering if I can do the same using yum. The reason I want ...
7
votes
2answers
68k views

Installing git “sudo: apt-get: command not found”

I am trying to install git. I run the following command: sudo apt-get install git-core git-gui git-doc But receive the following error: sudo: apt-get: command not found What should I do?
1
vote
2answers
6k views

Problems with CMake in CentOS 6

I try to install a software in CentOS 6.2, without success. In README file it says: Requirements: - qt4 gui lib version >= qt4.6.x Note that many linux distributions split packages into a ...
4
votes
1answer
1k views

byobu configuration menu is missing options

I've used byobu on servers in the past (with byobu version 3.4) but I recently installed CentOS 6.2 and installed byobu 5.15 from the tarball. Most byobu-config menus have options to change ...
3
votes
1answer
106 views

HDD Testing En Masse

Does anyone have any ideas about how to set up automatic detection and conditional formatting of a LOT of HDDs? I tried posting this on TomsHardwareForums, but I don't think the responder read my ...
2
votes
1answer
3k views

Trying to install gearman on CentOS, and ./configure cannot find event.h even though libevent is installed

I'm trying to compile and install gearman onto a CentOS 6 box, and am getting an error when I compile from its source code. It requires the boost libraries, and was failing on that at first, but I ...
0
votes
2answers
263 views

Got an error while upgrading CentOS

I'm upgrading my server but an error occurred. Here is the error report: Transaction Check Error: package subversion-1.6.15-0.1.el5.rfx.x86_64 (which is newer than subversion-1.6.11-7.el5_6.4.i386) ...
2
votes
1answer
536 views

How to migrate from CentOS to RHEL?

What packages do I need to install to migrate my CentOS 5.7 server to identical version of RHEL. I have RHN subscription but I don't want to create a fresh install and move files.
1
vote
1answer
398 views

I cannot install “unifdef” on CentOS 6

After I ran yum install unifdef I got "No package unifdef available" I already added all sources. (Base, contrib, Debuginfo, Extras, Plus and Updates)
6
votes
1answer
4k views

Xvfb or Firefox throwing errors & gratuitously logging

per the answer to this question, I'm running Xvfb to make a virtual display so firefox will run on my CentOS server. (I don't need to see firefox or do any actual key or screen input/output with ...
3
votes
2answers
595 views

Installing FreeBSD without removable media from CentOS 6

I've been tasked with installing FreeBSD 8 alongside CentOS 6, without the luxury of removable media. CentOS 6 is already on the machine, and running quite nicely. However, I cannot figure out how to ...
1
vote
0answers
817 views

Hanging at “Running Transaction Test” when trying to install php-soap

I have here a CentOS 5 and I'm trying to run yum install php-soap but the installer hangs on and the last step is Running Transaction Test. I found out that NFS shares are the problem. See here or ...
2
votes
2answers
7k views

Change default path for when I SSH in to CentOS server?

I have a CentOS 5.7 web server, and I want to change the default place I land in when connecting using SSH. Currently I land in /home/username, and I want to land in /home instead. I've gone in as ...
0
votes
2answers
6k views

CentOS 5.5 network problem

I have been made to install CentOS-5.5 on my desktop. The network is not working. These following are the outputs of various commands. #ifconfig lo link encap:local loopback inet addr 127.0.0.1 mask ...
0
votes
1answer
958 views

How to easily maintain the latest versions of Apache/ MySQL/ PHP on CentOS 6.2?

We have a few servers running CentOS 6.2 deploying web applications using Apache/ MySQL/ PHP. In the past we've just regularly run "yum update" to keep all the software up to date. As of right now ...
5
votes
4answers
8k views

What are the different ways that a message can be displayed to a bash shell after a user logs in?

I have a CentOS 5.7 VPS using bash as its shell that displays a branded greeting immediately after logging in via SSH. I've been trying to modify it, but can't seem to find where it is in the usual ...
1
vote
1answer
803 views

Any better alternative to chroot on an OpenVZ VPS?

Are there any better alternative to chroot environment? I'm thinking about running nginx on a jailed environment. BTW, I'm on OpenVZ VPS, so modifying the Kernel is a no-no. (I think that prevents ...
1
vote
2answers
1k views

Which are best repo for Cent OS 5.7? [closed]

Which are best repo for Cent OS 5.7? Should I install apt-get and use other deb packages on Cent OS? I mainly used Ubuntu which is really easy to update any packages.
1
vote
1answer
2k views

How to log user in to Gnome Desktop from remote ssh terminal?

I'm using CentOS 5.5 with Gnome Desktop Enironment. By default, after system boot i get Gnome's login screen. Independently, I can log in through SSH and execute commands. Is there any command line ...
1
vote
1answer
328 views

Does CentOS fall into System V family? How is it considered to be while comparing with Unix System V family?

CentOS is "derived entirely from the Red Hat Enterprise Linux (RHEL) distribution" (more here). Does it fall into any UNIX System V family? Such as PDP-11 or etc? If not, where does CentOS stands ...
2
votes
2answers
1k views

How can I Forward a subDomain to a specific port?

My apologies if this has been asked before. I haven't found an adequate solution so... yeah. When a specific domain, "example.com" is accessed, I want it to act normally. In other words, it should go ...
1
vote
1answer
382 views

How to remotely control a CentOS 5.4 install

I need to support a legacy system that's running CentOS 5.4. There are errors coming up during the install and walking through the admin on the other end is quite tedious and inefficient. Does ...
2
votes
1answer
583 views

SELinux outbound access to other sites with restrictions

We have CentOS 6 configured with SELinux to host a number of websites. Unfortunately SELinux is preventing websites from accessing (outbound) sites, such as download.wordpress.com to update ...
4
votes
3answers
6k views

Trouble booting server from GRUB prompt

I just installed CentOS 6.2 on my server but it keeps going to the GRUB prompt. I've never used Grub before but did some digging online. Looks like I have to run the kernel command before I can boot ...
7
votes
1answer
1k views

Why isn't the ls command listing huge filesizes?

In my Redhat Linux, I am getting the following error when executing the ls command. # ls ls: sugar.sql: Value too large for defined data type
6
votes
2answers
420 views

Mysterious write IO

I am just reviewing the disk IO of a XEN VM server. I stumbled across a DomU that has constant write traffic. To narrow that traffic further down I logged in to the DomU (CentOS 5, 64 Bit) and ...
2
votes
0answers
357 views

Odd Inode/Ram cache drops happening in CentOS

I run a CentOS 5.7 machine (64bit) with 24GB ram and 4x SAS drives in RAID10 setup. This machine runs nginx/1.0.10, php-fpm & xcache. About a month back the RAM usage of this machine has changed. ...
4
votes
3answers
1k views

No font in emacs on CentOS

When I open emacs over an SSH connection I get this error Warning: Cannot convert string "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*" to type FontStruct Warning: Cannot convert string ...
6
votes
3answers
498 views

Distro for a startup?

We run a small start-up in the SaaS industry. About half of our current staff are developers using their own laptops with various Linux distros (Ubuntu, Debian, Fedora) with a few exceptions of ...
1
vote
3answers
431 views

antispam techniques in postfix on linux

We have an issue of incoming spam on the server hosting several domains. Its running postfix on CentOS 5.x. Please suggest the techniques that can be enabled on the server to prevent incoming spam.