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

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3k views

Failed to start slapd in CentOS

I was trying to setup an LDAP server for my development. For this purpose, I have chose CentOS 6.3 install it in VirtualBox host in Fedora 17. I'm following this tutorial to guide me on this setup, ...
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2answers
134 views

Can't figure out which Cent OS to download

I'm not sure if this belongs here, but I really need help on which Cent OS version to download. There's some linux distros that I want to try, but none of the websites are as user friendly as Ubuntu ...
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1answer
2k views

Guide to installing Xen on CentOS 5.9 (That is still valid)

I need an idiots guide to installing Xen Hypervisor on CentOS 5.9 We attempted to install it on 6.3 before, but completely failed, so we reverted to 5.9 to see if we had more luck. We had issues ...
0
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1answer
2k views

Is it possible to install KVM On A VMWare virtual machine? If so, what are the steps?

I want to understand how to use KVM in CenTOS. At the moment, all I have is a VMWare ESX 5.x server to use. Is there a way to get KVM working on a system that is running on VMWare? Essentially, a ...
2
votes
1answer
639 views

IBM Java Runtime Environment on CentOS

I need to install IBM's JRE, but I can't seem to find an appropriate download or guide to installing it on CentOS. I've found various zips, but none of them include an RPM and I have no idea where to ...
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2answers
642 views

CentOS 5.9 | Program Listening on Port, Causing It Not To Bind

I have a game server running on my CentOS box that binds to port 28960, now when I restarted the game server it stated that it can't bind the port because its in use, but its obviously because the ...
6
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2answers
1k views

OpenLDAP Password Policy overlay error while loading

I'm trying to load the password policy overlay but i'm having the following error ldapadd -Wx -D "cn=Manager,cn=config" -f overlay.ldif Enter LDAP Password: adding new entry ...
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0answers
94 views

Allocating resources to VPS's

I need a layman's term definition of these parameters and what they do in terms of allocating resources to servers, as I'm having issues with the VPS's that I set up, as Java seems to be unable to set ...
0
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1answer
166 views

Bash config files being read in contradiction to `man bash`

While trying to determine the differences between .bashrc and .bash_profile I notice that .bashrc is never read, and that .bash_profile is only read from SSH, but not from PHP. This seems to ...
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0answers
135 views

Upgrade from Fedora 17 -> 18 problem

I tried to update Fedora 17 to 18 from within yum using the directions on the fedora web site. When I rebooted I ended up in the CentOS installer screen. I am not sure how that happend but I can't ...
3
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1answer
450 views

Log file not growing beyond a size. Why?

We have a java based web-app running on CentOS 6.0 64bit and it writes out many log files. Some of the files are rotated on daily basis using logrotate using the daily, copytruncate and other few ...
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3answers
4k views

Create swap partition after install

I already have parititon contain data under lvm enviroment with centos 5.8 output of fdisk -l root@server [~]# fdisk -l Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, ...
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1answer
244 views

Mirror RHEL repositories

I'm attempting to install Spacewalk 1.8 with mrepo and create a mirror of RHEL 5&6 packages to use for frequently spun up development VMs. There are several guides that indicate I should use ...
4
votes
3answers
9k views

install minimal desktop on CentOS 6.3

I just want to install a minimal GNOME desktop without all the Thunderbird/Firefox and any other packages that may come with full CentOS Live Cd. Is there something like yum groupinstall base-desktop? ...
2
votes
1answer
6k views

Installing vpnc on CentOS

I'm currently attempting to establish a vpn connection, but I am unable to install a vpn client. I assumed installation would be as simple as sudo yum install vpnc, but CentOS is unable to find the ...
2
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1answer
585 views

How to have find recurse into subdirectories when using -prune option

I see that the find command does not descend into subdirectories when you're using the -prune option. How do I tell find to recurse into the sub directories, but also ignore some stuff? ...
1
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1answer
298 views

Dynamic wallpaper change on CentOS 6.3

Is there any possible way to change wallpaper (background) every five minutes on centos 6.3 with gnome 2.28.2 ? I found this Python script: #!/usr/bin/env python import gobject ...
3
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1answer
3k views

Definitive way to configure network devices in Centos 6.2

What is the definitive way to configure network devices in Centos 6.2? Via network manager or editing /etc/sysconfig/network-scripts? I have a notebook with 1 ethernet port and a usb ethernet adapter ...
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0answers
151 views

Build minimal centos

I'm building a miniminal Centos5 for use in xen but i having problems when go to use yum this are the steps: $ mkdir -p images/x86_64/5 $ cd images/x86_64/5 $ mkdir -p proc etc dev ...
4
votes
1answer
589 views

CentOS file owner changed on editing

I have the following problem. On Unix server (CentOS 5.5) a number of users belonging to the same group have access to the same files (via ssh). After one particular user (let's say usera A) has ...
1
vote
1answer
356 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 ...
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4answers
11k views

Java update on Centos

I have a Centos 6.2 machine. It currently has JDK 1.6.0_26 installed. I would like to update that to 1.6.0_38, the current release version. I saw a comment somewhere about sudo apt-get; apt-get does ...
3
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1answer
150 views

Previous login notification

I am using CentOS 6. How can I configure it so the system notifies the user, upon successful login, of the date and time of the last login? Is that possible?
0
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2answers
237 views

Create a CentOS Guest img over Ubuntu

I want to create a basic CentOS 5.8 system from scratch. for now i build my own img for Ubuntu Guest (debootstrap), my host is a Ubuntu 12.04.1LTS but I don't know how to make for a CentOS, is ...
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1answer
4k views

“client denied by server configuration” with “AllowOverride All”

I've installed CentOS 6.3 with Apache 2.2 on a VM. I'm trying to set up a LAMP stack with these VirtualHosts: localhost loads the path /var/www/html/ lcl.mydomain.com loads the path ...
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1answer
923 views

How to change terminal character encoding

Today I uninstalled the GUI packages on my home CentOS installation. Now, when the machine starts, I get the login prompt. It acts finicky. Sometimes pressing enter just once after answering each ...
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2answers
588 views

iptables routing marked packets from router to PC and routing them back to router

I'm trying to do deep packet inspection on HTTP packets. The purpose of this is to collect HTTP payload data and then create some proxy/cache-independent reports. Following this, the idea is to ...
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3answers
2k views

Minor upgrades and version numbers on CentOS

I installed CentOS 6.0. Later I ran yum update to apply software updates. After that my operating system version changed to 6.3. Why did the version change? How far up will it go? How can I choose ...
4
votes
1answer
6k views

Using autofs to mount under each users' home directory

(crosspost from SF, where I wasn't getting much joy) I have a CentOS 6.2 box up and running and have configured autofs to automount Windows shares under a /mydomain folder, using various howtos on ...
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1answer
316 views

User gets rejected after system crash on CentOS

The power went out on my PC running CentOS 6.3 while I was logged in as a regular user. Since then, when I try to login from the GUI, my screen flashes to black then returns to the login screen, ...
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2answers
355 views

Plugin support for gcc in RHEL/CentOS?

Is there anyway to enable or install plugin support for gcc in RHEL/CentOS?
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2answers
137 views

How to know which hard disk is the new one and which one is the old one

I ordered 2 SSDs from my provider. However, which drive is the main drive? How do I know which drive is the new SSD drives?
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1answer
208 views

security concern around adding cron user to web application group

I have a permissions issue on my CentOS 5.6 machine with regards to the cron user. On my test/staging environment my cron user (picco-cron) is a member of one group - picco-cron, as below: ...
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2answers
89 views

Problem accessing an Apache-hosted folder

I'm running Centos 6.2, and Apache. I'm running into an error to do with access rights/permissions when trying to navigate to a webpage. I'm trying to go to the URL http://localhost/repos, but I get ...
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1answer
867 views

CentOS: Avoid that ALT-F4 switches to console

At least every Linux system that I worked with used the convention to switch to the non-graphical consoles by Ctrl-Alt-F1, Ctrl-Alt-F2 and so on. Recently, I installed CentOS 6.3 on a machine. The ...
0
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1answer
131 views

Cent OS 6.3: How to make places show up folders in tabbed versions (or at least not in a new window)

I moved to CentOS 6.3 recently. The places application shows folders but each folder is shown in a new window. So if I go to 2 different folders and go deep in 3 sub folders, I will have six windows ...
0
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1answer
627 views

Is the maximinm value of network.http.pipelining.maxrequests still 8?

I've detected some slowness in Firefox 17 under Fedora 18, so I decided to modify some configuration options. So, the question is: Does someone know if the maximum value of ...
3
votes
1answer
6k views

How do I configure the network interfaces persistently in CentOS so it will survive a reboot?

I configured a network interface with the following commands: ifconfig eth0 up ip addr add 192.168.9.1/28 dev eth0 route add default gw 192.168.0.1 This works. However, when I reboot the machine I ...
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0answers
255 views

Fail2ban showing error Unable to contact server. Is it running?

We start fail2ban in centos using this command service fail2ban start but when we run service fail2ban status we get as below? What could be the mistake ya? Fail2ban (pid 2810 2813) is running... ...
3
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2answers
4k views

How to install emacs using YUM without X11 libraries?

I have installed a minimal installation of CentOS 6.3 inside a VirtualBox VM. Now, I would like to install Emacs for use from the command line only. When I do a search for emacs using yum search ...
4
votes
4answers
6k views

CPU monitoring tool for Centos

I'm looking for a CPU monitoring tool that could monitor the different processors in my machine, and also has a GUI (similar to the Ubuntu monitoring tool). Is there anything like that in Centos?
2
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0answers
536 views

How to edit rpm's HEADER and NAME-VERSION-RELEASE

Is there's a way or a tool that can modify the HEADER and the NAME-VERSION-RELEASE for an existing rpm without installing/rebuilding it?
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0answers
161 views

iSCSI on startup

I've configure iSCSI but CentOS 6.3 is unable to recognize if on startup. Here is fstab config: /dev/sdb1 /home ext4 _netdev 0 0 Here is iscsi.conf ...
2
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0answers
961 views

Running gnome-keyring-daemon in CentOS?

I successfully installed MySQL Workbench in Centos 6.2. When I run MySQL Workbench and try to store a password by clicking "Store in Keychain", I get the following error: Could not store password: ...
2
votes
2answers
11k views

Error on application install: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory

When I executed a command to install an application, the following error occurred /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory I was not aware on how to fix this problem. I ...
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5answers
6k views

CentOS | [root@hostname] does not show anymore?

For some reason I logged into my CentOS6 server and at the beginning of every line it normally shows [root@hostname]# Now it shows -bash-4.1# What does this mean? And how to I get it back to ...
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2answers
1k views

fix the virtualbox centos after vdi resizing or expand a LV group

I successfully resized my centos vdi in virtualbox with command VboxManage.exe modifyhd Centos.vdi --resize 12000 But when i started Centos i got error messages that gnome power manager not been ...
0
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1answer
214 views

What to do if Cacti monitering server goes down in Centos 6.3?

I have successfully deployed cacti with plugins thold, nectar, realtime. Currently I am monitering my amazon ec2 servers and internal servers in my organization. but I afraid what to do In following ...
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3answers
904 views

recreate mysqld file centos

I have tried installing mysql several times but keep getting this error: mysqld: unrecognized service I've tried: yum remove mysql-server yum remove mysql yum remove MySQL-* then yum install ...
2
votes
1answer
1k views

Remove noexec from Home folder

I trying to deploy an rails application into /home/app/myapp, but when application tries to connect to Mysql, I get this error: ** [out :: 192.168.110.50] ...