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

learn more… | top users | synonyms

2
votes
0answers
32 views

Matterhorn dead but PID file exists

Installed opencast-matterhorn14 in a Centos 6.5 Machine and after Installation steps while I try to run the Matterhorn using service matterhorn start I keep on getting the same error: ...
1
vote
3answers
3k views

Slow start of Midnight Commander on CentOS

Is there any way to prevent mc from taking 10-30 seconds to open? Never seen this with Debian.
-1
votes
1answer
348 views

Run a php file as service?

I created a .sh file and it is email.sh In this email.sh file I have these lines #!/bin/sh php /home/username/public_html/Worker.php Now, I want to make that email.sh as a startup service in the ...
1
vote
1answer
26 views

Crontab does not run?

crontab -e 0 */4 * * * root /usr/bin/rsnapshot hourly 30 3 * * * root /usr/bin/rsnapshot daily 0 3 * * 1 root /usr/bin/rsnapshot weekly 30 2 1 * * root /usr/bin/rsnapshot monthly tail ...
2
votes
1answer
155 views

Can't run yum update

I've been banging my head on the keyboard with this! I'm working on CentOS 6.5 x86_64. Firstly I tried to update php and apache using easy apache. The update failed very quickly so I went on the ...
1
vote
2answers
153 views

how can I add records to the zone file without restarting the named service?

I'm working on centos6.5 and bind9 and I have managed to add records to a DNS zone by doing this steps: creating the key: dnssec-keygen -a HMAC-MD5 -b 128 -n HOST example.com. editing conf. ...
3
votes
3answers
57 views

How to manage installed from source programs?

I have servers (with Debian or Centos) and I would like to install programs from sources, because I can always have up to date software. If I want to install some program from source I usually do next ...
1
vote
1answer
44 views

SELinux preventing ssh via public key

I have user $USER which is a system user account with an authorized users file. When I have SELinux enabled I am unable to ssh into the server using the public key. If I setenabled 0, $USER can now ...
4
votes
1answer
481 views

Centos 6.3 Server ignoring IGMP Queries

I am using a CentOS 6.3 server to subscribe to UDP multicast data, and I noticed that my server doesn't answer the IGMP queries sent by the switch it is connected to. As a result, when I open my ...
0
votes
0answers
36 views

Show icons for open windows on multiple desktop panels

By default, the bottom desktop panel in centos(6) gnome displays icons for all open windows in the workspace. However, with two monitors, these icons are frequently sitting in my blind spots, causing ...
0
votes
4answers
6k views

HTTPd shows PHP code instead of executing it

My setup: # grep php /etc/httpd/conf/httpd.conf LoadModule php5_module modules/libphp5.so AddType x-httpd-php .php AddHandler php5-script .php # grep PHP /etc/httpd/conf/httpd.conf PHPIniDir ...
0
votes
1answer
1k 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 ...
0
votes
2answers
3k views

Installing OpenSSL shared libraries on CentOS 6.5

OS: CentOS-6.5-x86_64-minimal I downloaded the latest version of OpenSSL Extracted it with tar -xvzf openssl-1.0.1e.tar.gz cd openssl-1.0.1e ./config --prefix=/usr/local make it gives me the ...
0
votes
1answer
46 views

Can I install libXcomposite.so without the root permission?

I got this error when I execute dropbox on CentOS. ImportError: libXcomposite.so.1: cannot open shared object file: No such file or directory I don't have a root account. Output of uname -a: ...
0
votes
0answers
42 views

vagrant private network unstable

I have these 2 boxes, but I have a problem, when I start disributed and ping 172.28.128.2 often the network isn't working, but if I then go into oracle and ping 172.28.128.3 it'll find that and both ...
0
votes
0answers
23 views

Yum update crashing my OpenVPN tunnels

I have 100's of CentOS 5.10 clients that I access through a OpenVPN connection. I have internal repo that they use for updates. However some of my clients have some serious issues pulling packages ...
0
votes
1answer
772 views

Why FreeRADIUS service won't work on Centos ?

I have installed FreeRADIUS server on centos via yum successfully, but I couldn't start radiusd service. when I run as root user and exec the following radiusd -X an error is occurred. [root@IgorAAA ...
0
votes
1answer
89 views

Nagios misinterpreting Http response!

I've installed Nagios 4.0.1 on my CentOS 6.5 server. Since I'd set up Node.js to use port 80, I configured the Apache (httpd) service to listen to port 3000 instead. I can open Nagios console and ...
2
votes
2answers
4k views

CentOS 6 VSFTP 553 Could not create file

I installed vsftpd yesterday on CentOS 6, however didn't get a chance to test it today. When I went to upload a test file it's coming back and giving me this error: 553 Could not create file After ...
1
vote
0answers
22 views

Setting up traffic for GRE Tunnel

I want to set up clients that are behind NAT with a public IP but allow them to have one or more public IP's on their device. The idea is to have a linux box with either 1 or two network cards. Lets ...
1
vote
2answers
4k views

On Red Hat Enterprise Linux 6.2 how can I use Python 2.7 as default not Python 2.6? I did but still showing 2.6?

RHEL 6.2 I have python 2.6 but I need default python 2.7 using yum packaging (so that nothing goes messed up, cause its a heavy duty working system, all I need the python 2.7 on it, without messing ...
0
votes
1answer
74 views

CentOS: what impact does a kernel update have?

When running this on CentOS 6: yum update I get this: --> Finished Dependency Resolution Error: Package: 2:irqbalance-1.0.4-6.el6.x86_64 (base) Requires: kernel >= 2.6.32-279 ...
2
votes
1answer
5k views

Set Static IP in CentOS 6.4?

Most guides seem to revolve around modifying ifcfg-eth0, which doesn't exist on my system.. [root@Azaz07]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 [root@Azaz07]# ls ...
7
votes
3answers
6k views

CentOS no network interface after installation in VirtualBox

I have Ubuntu 12.10 on which i installed virtual box on which I setup centos 6.4 i386. On Ubuntu I have: 3.5.0-17-generic kernal running. On virtual box I install centos 6.4 and everything works ...
4
votes
1answer
4k views

CentOS doesn't know what the internet is

So I've done my share of investigating this problem... I just recently created a CentOS 6 VM on my LinuxMint box using VirtualBox. I left all the recommended values the same upon creation (8GB HDD, ...
1
vote
2answers
2k views

Postfix, Amavis-new, ClamAV: Permission denied. ERROR

Error lines in /var/log/maillog Sep 22 12:08:20 sun amavis[4493]: (04493-09) (!)run_av (ClamAV-clamd) FAILED - unexpected , output="/var/spool/amavisd/tmp/amavis-20130922T052321-04493-crApLkq5/parts: ...
1
vote
1answer
37 views

Switch Maven version after installing from jpackage?

I've installed maven3 on CentOS from the JPackage repository. Problem is my installs also seem to have pulled in maven2 which is the default. Is there any way to switch /usr/bin/mvn to be maven3? ...
2
votes
1answer
354 views

Mount Realtek RTS5129 Card Reader Controller in CentOS 6.5

I have an in-built card reader that works fine under windows, but in Linux, I cannot mount the drive whatever I do. lspci doesn't show the device lsusb shows Bus 001 Device 004: ID 0bda:0129 ...
2
votes
3answers
46 views

Add new packages to repository server

I'm using CentOS I've built a repository and put packages on it ,testing from another server and all things are fine. When I added new packages on repository and execute: $ createrepo -v ...
2
votes
1answer
42 views

CentOS replace config error

I'm currently working on updating our CentOS server, however whenever I'm trying to use yum I get this error. Config Error: Plugin "replace" requires API 2.6. Supported API is 2.5. I'm new to ...
0
votes
0answers
21 views

Centos not respecting ClientAliveCountMax

I'm running Centos 6.3 and trying to connect to it via OS X through capistrano deploying a Rails project. Capistrano is notorious for not respecting ServerAliveInternal from the client so I must set ...
0
votes
0answers
22 views

Setting up Kolab Mail Server on Cent OS. The port number '389' is not available for use error?

I use: setup-kolab and all goes well , except an error is returned: The port number '389' is not avaialble for use. This may be due to an invalid port number, or port already being in use by another ...
0
votes
0answers
79 views

set the default keyboard type to ascii mode

I am running CentOS 6.5 and I am having problems setting the default keyboard mode to ascii for the virtual terminals. Currently, only the system console defaults to ascii mode, but if I log in to an ...
3
votes
1answer
71 views

Removal of HDD causes kernel panic

I recently added a 2nd HDD to a system and then proceeded to do a clean install on to this 2nd HDD of CentOS 6.5. The original system was CentOS 5.9. My plan was to leave the original HDD in place so ...
49
votes
13answers
39k views

How can I get distribution name and version number in a simple shell script?

I'm working on a simple bash script that should be able to run on Ubuntu and CentOS distributions (support for Debian and Fedora/RHEL would be a plus) and I need to know the name and version of the ...
0
votes
1answer
187 views

mcrypt, EPEL and CentOS 6.4

I am having issues installing php-mcrypt. I am not an administrator of any level. I have performed the following. Installed EPEL Installed REMI Configured EPEL Updated YUM Cleaned YUM Installed ...
3
votes
0answers
35 views

Properly configuring symmetric active NTP?

I'm trying to configure two NTP servers to be peers to each other but I have no idea how to tell if it is working or not or whether my NTP configuration is even correct. I've put a simplified view of ...
2
votes
1answer
34 views

CentOS VM 3972 Segmentation Fault

I'm trying to install MATLAB 2012 on CentOS 5.8 running on a VM cluster. I was able to mount the .iso file, but when I run ./install, it was unable to write to /tmp giving the error, "no space on ...
0
votes
1answer
46 views

repairing a damaged grub with centos

I have a damaged grub in my centos system. to repairing this problem, I use rescue mode and then I execute this follwing comand : chroot /mnt/sysimage grub-install /dev/mapper/ddf1OSp3 and then ...
2
votes
0answers
748 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: ...
1
vote
1answer
37 views

CentOS - Creating a partition for OpenVZ

I've recently installed a fresh copy of CentOS 6.4 and I was going to install OpenVZ on it however on the install instructions it said that it is advised to make a separate EXT4 partition for the VMs. ...
1
vote
3answers
4k views

sudo does not allow me to run cp

Executing the following command on a CentOS 5 box: $ sudo cp file1 file2 gives me the following error: Sorry user my_username is not allowed to execute '/bin/cp file1 file2' as root on ...
0
votes
1answer
28 views

Building rtmpdump on RHEL x86 without yum and no root rights

I have an ssh connection to a RHEL x86 machine, and I can't use yum and I don't have root rights. Is there a way to still install rtmpdump? By looking at this tutorial, it seems that installing ...
1
vote
1answer
72 views

A messagebox keeping popping up in my centos VNC server asking to change proxy settings?

I have included a screenshot of what it looks like. It keeps appearing and in the morning you to close it 50 times. Could you please help me identify where the problem lies? NOTE: It's CentOs 6 ...
-1
votes
1answer
69 views

MIC not working due to USB bandwidth

Using debian and centos, i get the same error when plugging my USB mic in. In Windows (xp thru 8.1) it works fine. [ 304.237543] usb 2-1.6.2: USB disconnect, device number 6 [ 305.220785] usb ...
0
votes
1answer
145 views

Transfer files from CentOS VM VirtualBox to Windows host machine

How can I transfer the scripts and text files I've created in my CentOS environment and put it in my host desktop (Windows 7)? I've tried using ftp but it needs to configure the routers to use vsftpd, ...
1
vote
0answers
108 views

Improving TCP performance over a gigabit network

I have two machines both network cards speed is 10Gbps. The inbound bandwidth between the two machines is 10Gbps, the outbound bandwidth internet bandwidth is 500Mpbs. Both machines are using public ...
3
votes
3answers
3k views

Fix “firefox is already running” issue in Linux

I am trying to open Firefox in CentOS, but I'm getting the following message: Firefox is already running but is not responding and Firefox doesn't open. I tried this in command line: kill ...
13
votes
5answers
11k 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
3answers
396 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 ...