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

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Can't access XAMPP on Centos from other Windows PCs

I have a server with Centos 6 on it and I have installed XAMPP on it. I have this server on static IP address. But I can't access this server's IP address from other PCs. I tried to access XAMPP on ...
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2answers
3k views

Install Ghostscript v 9.05 (or newer) on CentOS

I need to use the ghostscript inkcov device on my CentOS server. The device is said to be available on GS versions 9.05 and newer. However, yum install ghostscript installs version 8.70. What is the ...
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1answer
2k views

How can I fix this dependancy error when updating clamav using yum?

I'm trying to update clamav on an old CentOS 5 mail server installation but keep getting a dependency error which I can't understand. I followed the method described here. Perhaps someone can show ...
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2answers
213 views

Distro agnostic init script dependencies

I'm trying to write an init script which will be able to handle basic dependencies (for example, It has to be started (just) before MySQL service starts). Is there a distro agnostic way to write such ...
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1answer
170 views

Install Guest Additions CentOS 64 (guest), Win 8 (host)

I am attempting to Install Guest Additions CentOS 64 (guest), Win 8 (host) Oracle's VM Virtual Box quite unsuccessfully. I have tried to follow the method answered here. But, I get the "mount point ...
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3answers
1k views

run file from different directory [closed]

I have a directory mainfolder with a subdirectory execution which contains a configure script. I can switch to the execution directory and run ./configure and it works fine. Now I'm trying to figure ...
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3answers
12k 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 ...
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1answer
630 views

No installation steps when Installing CentOS 6.4 on VMware Fusion

This is my first real day on using linux. I'm following a book guide. I installed CentOS 6.4 on my mac using VMWare Fusion. However, during the installation, it did not guide me through the ...
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3answers
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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 ...
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3answers
89 views

How can I determine which commands are installed by default on Ubuntu, CentOS and Red Hat?

I was surprised to discover that curl didn't come bundled as part of Ubuntu. Is there a canonical list of included components Linux commands that I can check for these three operating systems?
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1answer
981 views

Changing the server name

I changed the name of the hosts in /etc/hosts to IP.GOES.HERE newname Apache does recognize the new server name; but still, via ssh i get this on the ssh prompt: [root@oldname] Why? Where else ...
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1answer
983 views

USB DVD device type, /dev designation

What is the device type of an external USB DVD player to use when using the Linux mount command? ISO9660 is the type for the internal CDROM. What is the corresponding type for a DVD drive? Are ...
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2answers
671 views

How to restrict rm -rf / in CentOS machine? [closed]

I would like to know how we can restrict rm -rf /on CentOS machines?
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1answer
884 views

CentOS 5.8 with gcc 4.4.7 links against libstdc++ 6.0.8. How is it possible?

According to the gcc ABI policy, gcc 4.4.7 should depend on libstdc++ 6.0.13. As far as I understood, the compiler version and the libstdc++ version are deeply interrelated and can't be swapped, so it ...
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1answer
5k views

CentOS conservative governor, nice error

I changed my CentOS 6 CPU governor from ondemand (the default one) to conservative and got this after restarting the cpufreq service: /etc/rc5.d/S13cpuspeed: line 88: ...
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2answers
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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 ...
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1answer
2k views

Alternatives not working well for Java installation on Centos 6.4

I am trying to installing on Centos java from Oracle. Following are my steps. yum install /usr/local/jdk-7u3-linux-x64.rpm alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java ...
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1answer
580 views

install mysql 5.5(remi) with centos 6.2 complains error

Finished Dependency Resolution Error: Package: mysql-server-5.5.31-1.el6.remi.i686 (remi) Requires: libz.so.1(ZLIB_1.2.0) I type yum --enablerepo=remi install mysq and these error ...
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2answers
118 views

Copy website from RedHat to CentOS

We currently have our website and website's CMS hosted on a dedicated host which runs Red Hat. We want to remove Red Hat and install CentOS instead. My question: is there a straight forward way of ...
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1answer
953 views

What are the chkconfig directives (classic style) into init.d scripts?

To ask my question, I must first clarify the context. Every init script in /etc/init.d (on RedHat and Centos distros) is prepared to be managed with the chkconfig command-line tool utility. This ...
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1answer
309 views

Configure Clock on different port other than port 80 in CentOS

I installed CentOS 6.4 & noticed that port 80 is being used by Clock application [root@l-22733-p11 logs]# lsof -i tcp:80 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME clock-app ...
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1answer
1k views

Java installation having issues on Centos java and javac showing different version

I have this package of java jdk-7u3-linux-x64.rpm. So I have been doing this normally yum install jdk-7u3-linux-x64.rpm. Then immediately I will do this alternatives --install /usr/bin/java java ...
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1answer
4k views

Redhat find process memory usage [duplicate]

When I cat /proc/meminfo I see: MemTotal: 1048576 kB MemFree: 11136 kB Buffers: 0 kB Cached: 0 kB SwapCached: 0 kB Active: 0 kB Inactive: ...
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2answers
3k views

Why there are two ifcfg-eth0 file but in different directory

I am trying to understand why there are 3 ifcfg-eth0 on my CentOS 6.4 server, they are hardlinks to the same file looks like. Anyone knows why ? $ ll /etc/sysconfig/network-scripts/ifcfg-eth0 ...
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1answer
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grub error : “File not found” for separate /boot/efi partition

I've installed CentOS 6.4 on UEFI enabled machine, created /boot/efi partitions. But my grub is not automatically starting, if I start the PC, I start in Windows 8. I can only start CentOS by ...
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4answers
5k views

How to know which is the default script shell in Centos?

I'm using Centos 6 and after reading about different shells and dash implementasion as sh replacement in Debian, Ubuntu and Fedora, made up my mind to replace sh with dash as the script shell in ...
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1answer
4k views

SELinux Write access for vsftpd and samba

This should be easy enough I think, but I'm new to SELinux. I have a CentOS 6 file server. I have some LVM file systems at /var/media and I want to use both Samba and FTP to share them with a Windows ...
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1answer
495 views

Install vmware-tools using yum in vmware fusion

I added vmware-tools repo [1] to my virtual CentOS box. What is the exact set of packages I have to install? The rationale is to be able to update vmware-tools using yum. Environment: Host OS: Mac ...
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2answers
234 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 ...
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1answer
368 views

Atomic repo to just update Ossec and not the rest is that possible for Centos 6.4?

I followed this link http://www.ossec.net/?page_id=19 and enable both epel and atomic repo to install ossec. My problem is I just want a local installation of ossec so I ran this yum install ...
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2answers
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gedit preferences grayed out

I'm using gedit 2.28.4, on Centos 6.4. When I click on Edit > Preferences, I can't modify anything, as everything is grayed out. Also, I could not re-size the preferences window to locate the ...
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How to determine the sequence of ordering certificates by browser?

I did a Mutual Certificate Authentication implementation with OpenSSL and Apache Web Server on CentOS platform. To simple explanation see this diagram: ---------- | ...
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Cent OS 6.4 UEFI Dual boot

i'm really a beginner to Linux trying to study for RHCSA certification here. I have Windows 8 installed on UEFI BIOS. When i installed Cent OS, installation went smoothly and then after restarting, ...
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1answer
4k views

Problem compiling a driver : “No rule to make target”

First of all I am running a CentOS 6.4 installation. My computer is a laptop and I am trying to install the drivers for my ethernet card, because this week end I lost my ability to connect to the ...
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Installing Ossec on an existing centos 6.4 machine

I have an existing machine running centos 6.4. Is it ok to install now the Ossec or it's not worth any more as the machine is already running for few months. Which is the best mechanism to install ...
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2answers
3k views

CentOS 6.4 as VirtualBox guest under Windows 8 host, fullscreen mode causes unresponsive cursor

I apologize in advance if this is an inappropriate place to post this question. I've installed VirtualBox 4.1.26 in Windows 8 6.2 (I don't think I have Pro) and got CentOS 6.4 installed with Guest ...
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1answer
964 views

Red hat enterprise linux how do i install apache with SSL HTTPS? i have CERTIFICATE, KEY, INTERMEDIATE (ROOT CA) from heart internet [closed]

How can i install SSL HTTPS in my apache webserver in Red hat enterprise linux? Only following is installed. And i have tried this website follow up but its not working it fails. $ uname -a ...
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3answers
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Virtual Interface Not Showing up in ifconfig?

I am trying to create a virtual interface for the purpose of NameBased Virtual Hosting on my CentOS linux box; please find below is the devices' information:- DEVICE=eth0 BOOTPROTO=dhcp ...
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0answers
371 views

Can't get BIND and NS to work properly [closed]

I just got myself an unmanaged Dedicated VPS from OVH and I don't have a prior experience of setting up servers or DNS servers but I followed a couple of tuts and installed webmin and created NS Zones ...
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1answer
383 views

SSH screen (CentOS) crashes

I use the screen command to run a Minecraft server on my CentOS 6.4 machine. However, once I end the SSH session, the Minecraft server and the screen will eventually simply stop such that when I come ...
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1answer
369 views

centos httpd.conf set different ip for a directory

I have 3 IPs in my server, i want use them to increase twitter API limits. How to set a different ip for a directory in centos 6.1 httpd.conf (apache 2.3.1) I added these line in the bottom of ...
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2answers
480 views

Finding yum equivalents of apt repositories?

I have code to setup an Ubuntu server that relies on apt-get. It has lots of packages as documented on our project wiki, for example these: development environment and the ruby dependencies. However, ...
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0answers
955 views

gnome-terminal won't launch because it crashes every time

gnome-terminal worked this morning, and I haven't installed any software or changed any OS configurations. Now every time I try to open a terminal window, I get an error dialog: The application ...
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4answers
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How can I uncompress gz files in random directories and store the decompressed files in those same directories?

CentOS 5.9 I've got a server with a foo.ext.gz file located in a variety of random directories. Example: /opt/fooapp/foosubdirectory/foo_randomnumber/blah/blah/foo.ext.gz ...
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721 views

Installing a secondary drive in CentOS 6

I am new to Linux and CentOS so I may not be sure of the exact question to ask. It may be best for me to tell you what I have done. I installed a secondary 500gb HD to use for file share storage. I ...
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1answer
512 views

When running a terminal, I get the default bash prompt

Whenever I run a terminal in Linux (Centos), my console line starts with: bash-4.1$ During the Centos installation, I created a user 'mark'. Later on that day, I needed to change the name to 'john' ...
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4answers
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ldd tells me my app is “not a dynamic executable”

I have a 32-bit application (called uclsyn) I received from an astronomy professor. I managed to get it running on CentOS a year ago, but now when I am setting up a new CentOS VM, it won't run and I ...
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2answers
435 views

Commands for determining level of usage of server

I am scripting a new program that will connect to a cluster of machines in a VM park, and hopefully check their level of usage. The VM clients are a combination of RHEL and CentOS, and runs on ...
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5answers
27k 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?
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376 views

How to add my own created certificate authority to system trusted repositories

I was told that I can add my created CA to trusted repositories/authorities in my system instead of adding it from browser and configuring in in ssl.conf. Yet I can't find anything similar on the ...