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

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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 ...
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Building from Source on CentOS 5 or newer

I've got a few applications of which I've got to build from source files in order to make it work on CentOS (the programs do not exist in the yum repos). I may be missing something, but unlike Debian ...
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How to secure CentOS and FreeBSD by disabling USB ports and VGA output on-site?

Is it possible to disable USB ports and CDRom and VGA output in the Dell R310 from CentOS or FreeBSD (without BIOS)? A demo server is running in a customer test laboratory, where they can simply get ...
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symbolic link to a large file

I have a large(1 TB) file that I would like to download from the centos server via http, should I create a symbolic link to the file to the http file directory? would the link work? the file is too ...
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844 views

RHEL/CentOS: Installing a new version of Java, why not just change the path?

I am installing a new version of Java on a CentOS/RHEL Linux distro for a single developer to develop java. The way I want to install on this development system is to just put the new java version ...
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installed java, but java -version not showing new java

I just installed jdk1.6.0. I have tried multiple ways to set the path variable and make java 1.6 my new running version. And nothing is working. Running centos5 virtual machine. alternatives --config ...
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How do I enable a new repository in CentOS?

I need to upgrade my version of subversion however, simply running yum update subversion tells me: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: ...
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40 views

Service start and Permission denied

I have a script that execute a java program, and I want to create a service to start this script at boot time. So I've created a script called run.sh. /test/run.sh #!/bin/bash java -cp ...
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How can I upgrade libxml2 package on CentOS 6?

On CentOS 6.5, when I am trying to upgrade the libxml2 package with: yum localinstall libxml2-2.9.1-99.1.src.rpm I am receiving the following output: Examining libxml2-2.9.1-99.1.src.rpm: ...
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downloading sshd logs from remote centos 7 server

When I log into a remote centos 7 server as root, I am able to see the sshd logs by typing journalctl _COMM=sshd in the terminal. But the logs are massive. How can I download all the logs into a ...
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1answer
34 views

linux boot stick being ignored on windows 7

I am trying to install CentOS server on a machine that also runs Windows 7. Towards this end: 1.) I created a 100GB "Unallocated" partition using the Disk Management tool in windows 7. 2.) I ...
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Cannot use free space in filesystem

I want to install a program but it says that there is not enough free disk space more than 11 GB although there is. df -h shows: Filesystem Size Used Avail Use% Mounted on ...
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313 views

Windows Server 2012 R2 and Centos 7 dual boot: Windows gone from boot menu

I had in my mind that I cannot do much wrong when installing Linux (CentOS 7) after Windows (Server 2012 R2) to get all OSs as boot options. So, after installing Server 2012 R2 nicely, I installed ...
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CONFIG_LOCALVERSION (CentOS 6.5)

I am in /boot as "root". I edit config-2.6.32-431.el6.x86_46 and added my name to CONFIG_LOCALVERSION="John" But when I type uname -r is just shows the version, but not my name at the end. Am I ...
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73 views

What's the default server root path (CentOS7)

In /etc/httpd/conf/httpd.conf line 36 the ServerRoot is set. Mine is : ServerRoot /etc/httpd But this returns a syntax error when I try to start httpd service. Can anyone give me the default ...
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locale-gen command in centos6

In my bare centos6.5 system, which is a docker container, en_US.utf-8 locale is missing: bash-4.1# locale -a C POSIX Normally in Ubuntu there is command locale-gen to do this: # locale-gen ...
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190 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 ...
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100 views

Access Windows File System From Linux OS

My sister's computer has stopped working. I am not entirely sure what the problem is, but I think it is a Windows/software issue. She really just wants to retrieve the pictures off it. I am ...
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467 views

Graphics card recommendation, Dell PowerEdge R210 & CentOS 6.5 [closed]

I have server with displays and a keyboard-mouse for displaying network map status and for use as a shell and virtual console in my server room. Need a recent video card that is > $100 that can ...
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33 views

Linux Image to recreate a machine with the same configuration

I have a CentOS 6.5 machine with some installed packages , I want three more identical boxes to be setup and I was wondering if I can make an image of the one machine that I have pre-configured and ...
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Error 8000: Bad sectors when installing Centos 6.5 Minimum

I downloaded the ISO Centos 6.5 i386 and burned it onto a disk. When I try to install it on my computer, I get the following with install or upgrade an existing system .loading vmlinuz..EDD: Error ...
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755 views

(CentOS-6.5) How to implement GNOME environment privilege escalation like GKSUDO?

How would I implement a GKSUDO -like privilege escalation control on CentOS 6.5 workstations? (standard GNOME config, x86_64 and i386) I do not want to share the root password with users, and some of ...
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945 views

Issue with yum - error in importing one of the python modules

I am trying to install rpm package on CentOS 6 using yum install command, but getting folowing error There was a problem importing one of the Python modules required to run yum. The error leading to ...
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Alsa Pulse Audio cannot open audio device pulse (No such file or directory) pulse: Input/output error

I'm trying to stream my Gnome Desktop I installed on my OpenVZ VPS Server, and I'm not trying to run this from SSH, but the terminal inside the GNOME desktop, I know it probably doesn't have a sound ...
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I'm not able connect internet from vmware player with centos

I installed centos 6.4 and when I installed I set the network config. But somehow centos did not save them. Now I forced server to use dhcp but it is taking wrong IP address and it is not able to ...
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(CentOS) default FTP (SFTP) Log File?

I'm on CentOS v6.4 and using its native FTP Server, which i suppose is sftp. (Am i right?) Now i can use FTP well. But i need to log the actions taken by Users. Logs for the actions, such us, who ...
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134 views

Linux re install order of events to include ffmpeg

Before I go ahead and wipe my whole system and start from scratch, is there a way I can avoid what just happened on trying to install ffmpeg? I still don't actually know the correct way to install it ...
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How to properly set up 2 network interfaces in CentOS (running in VirtualBox)?

I have a VirtualBox machine running CentOS 6.5. I've created 2 network adapters for it in VirtualBox's networking settings for the machine. The first is NAT which I want the guest to use to connect to ...
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444 views

what does mean crond[2113] : (*system*) RELOAD (/etc/cron.d/mycron)

crond[2113] : (*system*) RELOAD (/etc/cron.d/mycron) My cron job is not working and I got the error above in log, What does mean that, how can I know what is going on. My cron job code: ...
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Updating CentOS by YUM command without removing previous version

I wanna update my system by yum command, after executing yum update it wants to update kernel to 2.6.32-431.5.1.el6 version also it wants to remove my oldest kernel version (2.6.32-279.el6). ...
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CentOS yum install gcc error: glibc-common conflicts with glibc

I met a problem with installing gcc on my CentOS. Outputs of my command sudo yum install gcc: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: centos.ustc.edu.cn ...
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How to check which specific processes (Python scripts) are running?

Using the command 'top' I can see 2 python scripts are running. However, how do I check their names or directory/location? I want to identify them so I can see what is running properly and what isn't. ...
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How can I install file-roller for CentOS 6 to use in Gnome?

I've just started messing about with Linux and trying to figure things out as I go using tutorials. I've installed Gnome desktop and have some .rar files I would like to open. I've found file-roller ...
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Need IP for my Virtual Machine

I want to scp to my virtual machine (CentOS 6) from my Windows 8 machine. I have installed VMPlayer and installed CentOS 6 on my machine. I have enabled Bridged adapter setting, but I still can't see ...
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Is there any IP messenger for Linux (CentOS)?

Currently am using a Linux (CentOS) machine. Is there any IP messenger for CentOS like iptux and Gnome IP Messenger?
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Software RAID 1 with dissimilar size and performance drives

Background I was experimenting with a home server setup in a small box I had that was supposed to be a media centre but never found much use. I installed CentOS 6.5 in a software RAID1 configuration ...
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How to rebuild /etc/cron.d on CentOS?

I installed an RPM on a CentOS machine that was supposed to merge its own files contained in a /etc/cron.d structure with the current /etc/cron.d. However it replaced the current contents. I believe ...
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mount: special device /tmp/cdrom does not exist - CentOS kickstart %post section

I am upgrading an installation from CentOS 5.5 to 6.4. I am having troubles with my kickstart file in the %post section while mounting /tmp/cdrom during the install: The following configuration in ...
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450 views

Launch application as root user in GNOME

I've got CentOS 6 installed on my server. A few users want to have access to it via VNC, so I installed GNOME separately. Everything works okay, but I want to have possibility to run applications as ...
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148 views

What package is necessary to install for the getacl command? [closed]

CentOS 6.3 I'm studying Access Control Lists and for some reason, the getacl command isn't available. When I try running it, I get: [root@foobox test] getacl test.txt -bash: getacl: command not ...
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How to get back on track of your Linux PC fails and your USB drives with Linux O.S. are lost [closed]

Assumption is you take your netbook or nettop and fly to another country where you have no friends, etc. You can not create a bootable usb drive with a linux iso file unless you purchase a windows pc ...
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329 views

Similar method to /etc/init.d

I have set my script to run using the /etc/init.d method. All works good. The problem is that my script does packet capturing and when it restarts the machine after say the crond is loaded then it ...
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Intrusion system suggestion specifically for Centos 6.4 [closed]

We are trying to evaluate a good possible intrusion detection package specifically for centos 6.4. So far Ossec looks promising. Any other based on others experience.
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338 views

Connecting to KVM on a GUI-less CentOS 6.4 using MobaXterm

I followed the directions at this question: Installing KVM on CentOS 6.4 without GUI (yet) But I'm not sure which feature (there are many!) of MobaXterm I should use to connect to the KVM. On the ...
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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, ...
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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 ...
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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.
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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 ...
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863 views

wget hangs AFTER download complete, on exit_group

I am running CentOS release 6.3 (Final). This issue occurs for every VM on my server. When connected over SSH, wget hangs after download certain URLs. I am running the following command: wget ...
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emacs fonts from ssh not as good as locally installed

How can I have the same emacs fonts and antialiasing configuration that I have in my local Ubuntu 12.04 also working when I open an emacs session via ssh to a CentOS 5 system? EDIT: I didn't get an ...