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

learn more… | top users | synonyms (2)

4
votes
2answers
575 views

When running to a run level does it execute previous run levels?

If I tell my system to go to run level 3 does that mean that it first runs through run level 0, 1, 2, and then finally runs through run level 3? I thought the answer to this question was yes. But ...
4
votes
3answers
2k views

What is the recommended way of checking running services?

I'm often exposed to various GNU/Linux systems including CentOS, SLES and Debian. I want to know: what is the recommended method of checking all running services across these systems? I am aware of ...
0
votes
0answers
544 views

Linux won't install on RAID set: disks “contain BIOS RAID metadata, but [are] not part of any recognized BIOS RAID sets”

I plugged a Q-Tec 340R ATA-133 IDE RAID card, with two IDE connectors and support for up to four IDE drives, into an old P4 machine, attached two hard drives and managed to set up RAID0 and install ...
3
votes
2answers
5k views

CentOS - Issue with write permissions

I am running CentOS 6.4 and I have installed Wordpress on it. (along with LAMP) Now the problem is, that I cannot make any write changes to any files in the wordpress editor: eg. header.php, ...
2
votes
1answer
2k views

How to add entry to right click menu?

I have CentOS 6 and i need Terminal a lot. i want to add an entry "Open Terminal to the menu when i right click on a blank space in my desktop. How can I do this?
3
votes
1answer
158 views

Why my SSDs are in /dev/hdx instead of /dev/sdx on CentOS 5.9?

I have two SSDs Kingston SH103S3240G plugged on SATA ports of my Intel Server Board S3000AH. The SSDs apear like a PATA device (hdx instead of sdx) on my CentOS 5.9. I'm having problems related to ...
1
vote
1answer
3k views

Error while installing perl-DBD-mysql

When I want to install perl-DBD-MySQL I get this error: yum install perl-DBD-MySQL.x86_64 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package ...
0
votes
1answer
431 views

How to add FTP users to my CentOS VPS [closed]

I am running a CentOS VPS. Now I have installed an FTP server on the Server like this: yum install vsftpd And I have restarted the service as well. However, when I point my browser to: ...
0
votes
2answers
2k views

CentOS VPS - Pointing my Domain name to the VPS static IP

I am a Linux Newbie. I have a VPS with CentOS installed at my ISP and I am managing it remotely. Up to this point, I have had shared webhosting on a Linux machine at my ISP where I had CPANEL ...
1
vote
1answer
301 views

Can 32-bit and 64-bit CentOS 6.4 servers both be AD domain controllers for the same domain?

If I have two CentOS 6.4 servers, one i386 and the other x86_64, running Samba 4.0.7, will they replicate domain controller data with each other (and from a Windows Server 2003 AD DC) without any ...
3
votes
3answers
13k views

Run CentOS 6 from a USB flash drive

I have a 16 GB USB flash drive that I would like to install CentOS 6 on so that I can boot into it on other computers. The reason for this is because I am going to be upgrading to VPS hosting and I ...
5
votes
7answers
419 views

Are there additional ways to protect SSH connections besides firewall and RSA Keys?

Sometimes I don't have a static IP and need to administrate my web server remotely. I'm looking for any additional layers of protection I could add to make opening port 22 safer. Currently I have ...
1
vote
2answers
3k views

Installing Samba 4.0.7 on CentOS 6.4

CentOS 6.4's yum repo has only 4.0.0. I see some major security and stability patches since then. So I signed up for SerNet, and followed their directions to install their GPG key. Then I did: ...
1
vote
1answer
3k views

iptables prevents connection via ssh after port change despite ACCEPT rule

I have two machines hooked up to a router, one Windows with PuTTY, and one CentOS 6.4 with sshd and with the default SELinux still enabled. They can both ping each other successfully. I installed ...
6
votes
1answer
17k views

Setting up network from a “minimal” CentOS 6.4 install [duplicate]

Just installed CentOS 6.4 from a "minimal" ISO. On first boot, I discover that I cannot ping the outside world, yum update, or anything like that: connect: Network is unreachable. In fact, I can't ...
3
votes
2answers
2k views

llvm and clang on CentOS 5 without root permissions?

I am trying to have llvm and clang on a centOS 5 without root permissions. I tried to do it downloading llvm and clang src packages and trying the ususal configure, make and make install steps as ...
0
votes
3answers
276 views

Brand new to Linux - running a web server/database server, need to connect to my servers- how?

I am brand new to Linux. I have a database server and web server both running CentOS. My database server will host MySQL and my web server will host Apache. I am very familiar with Windows and ...
1
vote
1answer
654 views

CentOS vs RedHat on hp DL 380 G5

hp lists downloads for: » Red Hat Enterprise Linux 5 Server (x86) » Red Hat Enterprise Linux 5 Server (x86-64) » Red Hat Enterprise Linux 6 Server (x86) » Red Hat Enterprise Linux 6 Server ...
3
votes
1answer
3k views

Import EPEL GPG key in kickstart post-installation

I'm trying to use Oz to create a CentOS 6.4 virtual machine image and install some packages from EPEL. When it tries to install the epel-release package, I get the error: Public key for ...
1
vote
1answer
8k views

Possible to install PHP 5.2.17 on a new CentOS 6.4 system?

I'm trying to set up CentOS 6.4 (Linux 2.6.32-358.11.1.el6.x86_64) with a specific version of PHP (5.2.17) as it is required by an app I'm trying to install. I've downloaded the PHP version and ...
1
vote
1answer
2k views

Fixing botched CentOS 5.9 Grub step

I installed CentOS 5.9 x64 on a fresh server with hardware RAID level 5. In my ignorance, I told it not to install Grub. The next reboot, I got a blinking cursor. So, I went back to the installer ...
0
votes
1answer
235 views

Does CentOS 5.9 need Grub to run on hardware RAID?

I'm doing a fresh install of CentOS 5.9 x64 on a server with 8 disks in RAID5. At some point during the install, it gave me the option of configuring Grub, or not bothering. I chose not to bother, ...
1
vote
1answer
86 views

compiling ldc2 on a centOS 5 system with no root access

I git-cloned the latest version of ldc2, but I don't know how to compile it on my centOS 5 machine: git clone --recursive git://github.com/ldc-developers/ldc cd ldc git submodule update --init ...
0
votes
1answer
152 views

Mail server installation in Cent OS 6.2

I have a server with a dedicated IP. I didn't take any domain yet. CentOS 6.2 is installed on this server. I tried to install mail server in it and followed these links exactly. The Perfect Server ...
8
votes
0answers
4k views

OpenSSL Package Rebuild CentOS 6.4 [closed]

Rebuilding openssl with Elliptic Curves on CentOS 6.4 The strategy is: 1) Download the "official" CentOS source package (.src.rpm) 2) Modify the .spec file to enable elliptic curves. (change no-EC ...
0
votes
2answers
1k views

Centos CMake Does Not Install Using gcc 4.7.2

A similar problem has been reported here with no solution:https://www.centos.org/modules/newbb/print.php?form=1&topic_id=42696&forum=56&order=ASC&start=0 I've added and upgraded gcc ...
0
votes
1answer
51 views

Is there any way to deploy an virtual machine software via command line on centos3

I have a centos3 based legacy distribution with all the desktop environment removed. I have only access via command line. I am now asked to run a centos 6.1 distribution on a virtual machine on this ...
1
vote
2answers
3k views

cannot create symbolic link on CentOS 5.6 - File exists error

I am trying to setup a symbolic link on my CentOS 5.6 machine to point dev_crmpicco/ to ~/vhosts/dev/dev_crmpicco/web/ I am using the following command: [crmpicco@devel dev]$ ln -s ...
0
votes
1answer
381 views

403 http code appears when I go to a certain website

I wrote a PHP script to a particular site using a home computer for debugging. Script worked properly, when I tested it on a home computer. The script has stopped working when I deploy the script on ...
2
votes
2answers
2k views

CentOS 6.4 Mail Server

I'm trying to install a mail server on my root server. I'm relative new to Linux but not a absolute beginner. There are many many how to's on the internet I tried to get my own mail server with ...
0
votes
3answers
1k views

Linux mail client that can trigger a PHP script to parse email received

Is there any simple text-based mail client that I could use that could trigger a PHP script to parse mails received from the users? I have a PHP application that sends email out to users and it would ...
1
vote
2answers
122 views

Possible to get RAID1, by simply adding HDD? [duplicate]

I have server and there is one 1TB drive in it and I guess it's not running any raid, I'm thinking if it's possible to add another 1TB HDD and setup RAID1 somehow?(software raid1) Server is running ...
0
votes
1answer
290 views

Network goes down when LAN cable plugged in

As per subject, I have a Zimbra mail server on Centos 5.5. and the problem is there that when I plug the LAN cable in to the server port all Internet and network services go down. This means the ...
1
vote
1answer
298 views

Access Remote files through http path

I am using lamp on CentOS 6. Application code is written in CakePHP. Application files path is "/var/www/html/my_app". Another file server is mounted with an Application Server. Mounted path on ...
1
vote
3answers
597 views

How compatible is Centos in respect to hardware for desktop systems?

I have been tasked with creating a promotional/sales tool for our clients and sales people . (about 8400 users) It is expected that the tool will be used on office and home systems. The tool will ...
2
votes
2answers
3k views

Installing Git Unit

I am trying to install git using my yum command Following is the error log Loaded plugins: product-id, refresh-packagekit, security, subscription-manager Updating certificate-based repositories. ...
0
votes
1answer
158 views

Version of OpenVPN for Linux kernel 2.4.21 & having iOS client

I have the following requirements: Have OpenVPN version that works with iOS client The OpenVPN version should also be able to be compiled with and work on Linux kernel 2.4.21 (due to business ...
4
votes
1answer
5k views

No /etc/mdadm.conf in centos 6

I have installed centos 6 and setup a new RAID array with two disks. every thing is ok and I have partitioned the array but I don't see any /etc/mdadm.conf or /etc/mdadm/mdadm.conf files. I have ...
5
votes
2answers
1k views

How can I ensure only the root user have the right to halt/reboot the system?

CentOS Linux by default allows all users to have permission to "halt" & "reboot" the system by using the commands halt and reboot. How can I configure my system so that only the root user has the ...
3
votes
3answers
2k views

Node installation: No module named gyp.common

I was trying to install node.js on CentOS 6.4 VirtualBox guest on a Windows XP host with the following commands: cd /usr/local/src/ git clone git://github.com/joyent/node.git cd node ./configure make ...
1
vote
1answer
304 views

How to remotely check if apache server responds

I have 2 servers. one of them often crashes. I want to send a SMS to my phone when it crashes. I wrote this simple bash script in another server and put it in crontab to run every 10 minutes. wget ...
7
votes
3answers
848 views

How does the CentOS installation work from the inside?

I am trying to understand the content of a Linux distribution's ISO image file and how the installation process take place. Here I am specifically talking about CentOS 6.4 in its minimal version. So ...
0
votes
1answer
478 views

CentOS VNC-Server

Are there any instructions how to install a VNC-Server on CentOS? Some of them explain how to setup a terminal server, but I primarily want to use the currently logged in desktop.
4
votes
1answer
485 views

Konsole works, gnome-terminal doesn't?

I'm running on CentOS 5.7 (in case that matters) I have a program (not my own) that runs fine from Lonsole, but when I run it from xterm, gnome-terminal or rxvt, it just hangs. I'm doing this with a ...
0
votes
1answer
102 views

How to add a virtualhost of a domain other than default folder?

I have a server (OS is CentOS) which has Apache. My default folder is /var/www/html/. When I add my domain this folder it works. But when I do this in httpd.conf <VirtualHost *:80> ...
1
vote
0answers
589 views

How to scroll in a terminal by line in GNOME Terminal 2.31.3?

I use Shift+(PgUp/PgDown) while scrolling in the terminal. But it seems to scroll one screen (or a half may be) at a time. I feel comfortable scrolling the terminal by line with the mouse, but don't ...
1
vote
1answer
236 views

LDAP : one suffix : search multiple separate Active Directory

I have configured an OpenLDAP 2.4.23 as a proxy to multiple separate Active Directory, it works fine when each AD as a different suffix/search base. I have an use case to fullfil : one application ...
-1
votes
1answer
274 views

How do i change the password for root using webmin, where i have no more access as root?

I changed the root password, using webmin it shows me successfully done. $ uname -a Linux .com 2.6.18-194.11.4.el5 #1 SMP Tue Sep 21 05:04:09 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux $ echo -e ...
2
votes
2answers
4k views

Determine if reboot is required to update kernel?

I am running a server which runs on CentOS with cPanel (latest version) and I have it set to automatically update using yum. Since it needs to be rebooted in order to update the kernel (and possibly ...
5
votes
4answers
19k views

What are the settings to correct vsftpd “500 OOPS: cannot change directory” error?

My question is what settings do I need to change and/or commands to run to allow me to log into my vsftpd system? I am getting this error, when I login using ftp instead of sftp: Name ...