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

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239 views

Telnet no echo output from xinetd script

I have have installed xinetd, and I wrote a script: #!/bin/bash echo "Some text" touch /home/somefile I made a service configuration under /etc/xinetd.d/ and basically it works when I connect to ...
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1answer
5k 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, ...
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1answer
2k views

How to surpress audit daemon rotating log messages?

On a CentOS 7 system messages like these are logged several times a day: Sep 24 00:11:42 example.org auditd[756]: Audit daemon rotating log files Sep 24 00:26:23 example.org auditd[756]: Audit daemon ...
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1answer
10k views

How to install applications from KDE desktop on CentOS

I've just installed CentOS 6.5 in a virtual machine. I know how to install packages with command-line yum but I'm wondering how to do the same from the GUI (KDE). They apparently did not write ...
0
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1answer
285 views

Saxon rpm build fails due to “ant: command not found”

Hopefully this is a question I can ask this community. I'm currently working on building zookeeper-3.4.5-13 for a CentOS 5 environment. During this process I've been going down a long list of required ...
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2answers
307 views

What is the difference between installing software as root versus user?

I just installed CentOS 7 with Gnome desktop. In doing so, I created a root password, and added a user. Now I am logged in as the user. I like to install MariaDB server, PHP, and other software. To ...
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0answers
565 views

No volume groups found after restoring CentOS image to VirtualBox VM

I used Clonezilla to backup an HP Proliant server running CentOS 5.10. I restored the image to a VirtualBox VM but when I try to boot I get an error of "No volume groups found" "Volume Group ...
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1answer
350 views

Unable to find an option to install CentOS 6.4 (64bit) in command line (linux text) for Asterisk

I am trying to learn Asterisk, so I downloaded the latest CentOS 6.4 (64bit) to install on VMWare Workstation 9. When I started the installation it is not giving any screen to start the installation ...
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1answer
115 views

rpmbuild library register for 'requires'

Big Picture: I am building an in-house rpm for a customized php. I build an rpm which works, but generate library requirements that I can't seem to meet without using 'nodeps', which I want to avoid ...
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0answers
345 views

Problems while executing slimerjs on linux (Centos 6.5 32bit)

I'm not used to work with Linux yet I wanted to try to use slimerjs on a Linux vps in order to have access to php exec function since most hosting companies disable that function. I did manage to ...
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0answers
290 views

Yum or Reposync: How can I slowly remove a repository without unintended dependency issues?

I have used reposync to create and maintain local copies of two repositories, remi and remi-test. These are repositories maintained by Remi Collet. On several systems in an internal LAN, I added both ...
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1answer
881 views

Bandwith Usage in OpenVPN

Is there any way to check how much bandwidth a user used in OpenVPN (using PAM Authentication)
4
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1answer
545 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 ...
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2answers
3k views

Hyperthreading not detected by Linux [closed]

I have a Dell server with two Intel Xeon E5645 cpus, each cpu has 6 cores, and each core is hyperthreaded (i.e. should be equivalent to two virtual cores). I installed CentOS 6.2 on this server and it ...
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1answer
52 views

Empty kernel processes on CentOS vps : 2 different servers

I'm not sure I'm asking correctly, or perhaps I'm just looking at the wrong things. I'm migrating from one CentOS Vps (on an OpenVZ box) to another CentOS VPS (on a VMWare box). VPS #1 = CentOS ...
1
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1answer
235 views

How to install mutliple PHP instances and configure for Apache

I need to upgrade my PHP installation on CentOS 6 from 5.3 to 5.5. While I have a couple of webprojects running I like first to install the new PHP in parallel and switch back to the old one if ...
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5answers
35k views

Kipmi0 eating up to 99.8% cpu on centos 6.4

We have CentOS 6.4 and the kipmi0 is showing as 99.8%cpu and 0.0% memory and load average is 1.00. What should we do to rectify on this?
2
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1answer
212 views

autofs does not prompt for password when needed

I am trying to setup an automount point using autofs to mount a samba fileshare. I am using the following syntax in my auto.misc file mydir -fstype=cifs,rw,user=myusername ...
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2answers
316 views

First key pressed repeates forever

I just installed CentOS 6.4 on an old machine I acquired for a development box, but I am running into keyboard issues I can't get around. I start the machine and go to type a user name in and ...
2
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1answer
2k views

How to Mount a Drive with Right Filesystem?

I am trying to mount the device /dev/xvdc on my CentOS system. When I run an fdisk command I get: Device Boot Start End Blocks Id System /dev/xvda1 * 1 33 ...
4
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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 ...
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2answers
307 views

Issue in Asterisk Performance

I am running FreePBX on DigitalOcean VM. I am facing some call dropping issue in Asterisk. When looking at "htop", "top" and FreePBX GUI, I see different results of CPU utilization and can't ...
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3answers
1k views

rsync: samba vs ftp for backup

I need to back up ~0.5 TB of files (about 600,000 of them) from a Windows Server 2003 machine to a CentOS 6.4 machine across a 100MB network, and update them once a night. The backup script would be ...
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1answer
3k views

Unable to install ATI Catalyst drivers under CentOS 7

I'm getting an error running ./amd-driver-installer-14.20-x86.x86_64.run # ./amd-driver-installer-14.20-x86.x86_64.run Created directory fglrx-install.xjgOcJ Verifying archive integrity... All good. ...
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0answers
184 views

Reinstalling Centos 6.4 over current Centos 6.4 OS

I am a newbie to Linux, and I am trying to reinstall Centos 6.4 from an AsteriskNOW CD I have because through an update I believe I lost the res_srtp.so module I installed from an external source. I ...
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1answer
110 views

Keychain SSH Key Manager prevents SFTP login on CentOS

I installed keychain and added this to my .bashrc in CentOs to help manage my SSH Keys: /usr/bin/keychain --clear $HOME/.ssh/id_rsa source $HOME/.keychain/$HOSTNAME-sh So on SSH login I am prompted ...
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1answer
543 views

ERROR: could not find driver after changing from mysql to mariadb

mysql was working fine but I wanted to give mariadb a try on a new server I have going. However I am having an issue where all my php websites seem to have issues communicating with mariadb. Webmin ...
2
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1answer
940 views

Building OpenFOAM 2.2.2 for Xeon Phi

I'm trying to build OpenFOAM for Xeon Phi on CentOS 6.5 (Linux 2.6.32-431.11.2.el6.x86_64) Using these steps Install Intel Parallel Studio tar xvfz parallel_studio_xe_2013_sp1_update2.tgz cd ...
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2answers
18k 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 ...
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3answers
6k views

Updating PHP 5.3 to 5.4 in CentOS

I followed this tutorial to update PHP from 5.3 version to 5.4. My distro is CentOS 5.5. After running the following command: yum --enablerepo=remi,remi-test install httpd php php-common I get ...
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1answer
412 views

What is the default behavior of %install?

I am attempting to build an RPM using the -bb flag (%prep %build %install %check package). This is the output of the %install step: Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.2kgeNY + umask 022 ...
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0answers
280 views

Datanode in slave isn't working : Hadoop in CentOS

We've created a Hadoop cluster of two machines following these instructions: http://tecadmin.net/set-up-hadoop-multi-node-cluster-on-centos-6/ with the machines set as follows: hadoop1 = master ...
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1answer
2k views

I opened a port with iptables but still doesnt work

I have a CentOS installation as a guest VM with VirtualBox. I have two ethernet interfaces, eth0 with NAT and DHCP, and eth1 with Host-only adaptor and static IP. I have oracle installed in this ...
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0answers
163 views

Get KERN_DEBUG messages into syslog on rhel7/centos7?

I've been trying to get KERN_DEBUG messages logged to a file in centos7, but have had no luck. I can get them just fine from "dmesg," but not /var/log/messages or /var/log/dmesg Here's a MWE kernel ...
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2answers
2k views

What is the difference between the whatis and apropos commands?

CentOS 6.3 / RHEL 6.3 Can someone please explain the difference between the whatis command and the apropos command? I noticed that both appear to be installed by default and I'm not sure what the ...
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0answers
112 views

CentOS 7 gnome Version Network issue

I just installed Cent-OS 7 with GUI Interface, but now I am logging in but I can not connect to network, in virtual machine I see it's connect with bridge (VMware) but I cannot connect to network, I ...
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2answers
332 views

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 ...
2
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1answer
242 views

How do I determine if the linux password was changed?

I'm developing an application which is distributed on a VM. The default password is always the same, but it's hash in /etc/shadow changes with every release. How can I programmatically (e.g., from a ...
0
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1answer
2k views

Can't load IA 32-bit .so on a IA 32-bit platform

I'm trying to install an 32_bit_application on CentOS (64-bit), while running the setup.bin file it return the following error Invocation of this Java Application has caused an ...
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1answer
122 views

How to use partial IP address in /etc/sysconfig/iptables for the “-s” flag?

in this example it is a full ip ip is: 1.1.1.1 -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -s 1.1.1.1 -j ACCEPT but suppose i want to allow any ip that simply starts with: 1.1. ...
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1answer
135 views

Mounting Linux root fs NFS share on OS X?

I am attempting to share the root filesystem (/) of a CentOS 6.5 virtual machine to my OS X host system. While this should be relatively simple process, I'm hitting some kind of wall. Presently my ...
0
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1answer
500 views

CheckInstall on CentOS

I am attempting to make CheckInstall on a clean version of CentOS however I am having difficulty, I receive the following error: [root@host checkinstall-1.6.2]# make for file in ...
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3answers
2k views

Requires: perl(Compress::Raw::Zlib) = 2.052

Im trying to run a yum update but getting stopped by dependencies. I have installed rpmforge el6 which i need for other packages. Error: Package: perl-IO-Compress-2.052-1.el6.rfx.noarch ...
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1answer
1k views

dual-head with NVidia Quadro FX3450/4000 on Centos 6.2

I am having troubles setting up dualhead with an NVidia Quadro FX3450/4000 card with Centos 6.2. The driver is installed from ELRepo. I set up twinview with nvidia-settings (and checked ...
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1answer
286 views

Mitigating BEAST Centos 6.5 Apache 2.2

I'm trying to get my system to pass a BEAST scan, it seems no matter what settings I use, an error is always returned stating that TLS 1.0 is enabled. I'm using Qualys SSL Labs to test ...
4
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1answer
604 views

Transmission-daemon service spontaneously stops

I've installed, configured and ran transmission-daemon on my CentOS 6 machine using service transmission-daemon start This works nicely, and I can see the web interface on http://server.ip:9091 as ...
4
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2answers
3k views

find: File system loop detected

When I try to find a file using find -name "filename" I get an error that says: ./var/named/chroot/var/named' is part of the same file system loop as `./var/named' I ran the ls -ldi ...
3
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2answers
7k views

yum installs an old version of cmake

For some reason when I run yum to get cmake it will install an older version. Could it be because my repo list is not complete? I'm on CentOS 6 using a minimal desktop install from the non-net install ...
4
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1answer
1k views

Wireless is not working on Lenovo ThinkPad X201 with CentOs 6.5

I am having trouble with wireless connection on my Thinkpad X201 laptop. I installed CentOs 6.5 Minimal. The Wired (cable) internet works perfect. But wireless is not detected. I looked at following ...
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1answer
1k views

Creating a virtual microphone

I run a CentOS Server with VNC enabled and some services require a microphone to work properly, but it doesn't have to be used for recording, just a microphone device available. So I was wondering if ...