CentOS is an abbreviation for Community Enterprise Operating System that aims to be compatible with its upstream source, Red Hat Enterprise Linux. CentOS 6 is the 6th major version of CentOS, which was released on July 10th, 2011.

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getting red alarm on dahdi show status command

I am trying to configure dahdi on my centos system by following this my system.conf # Autogenerated by /usr/sbin/dahdi_genconf on Sun Sep 21 16:06:45 2014 # If you edit this file and execute ...
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5 views

VNC server immedietly closes connection

So, I am attempting to use VNC over SSH via this method. However when I type the command vncviewer localhost:[port] I get the response vncviewer: VNC server closed connection. However, I do have ...
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7 views

How do install vlc media player in centos 6.4? [on hold]

I try to install vlc as below [root@js ~]# cd /downloads [root@js ~]# cd /downloads/ [root@js downloads]wget http://pkgrepo.linuxtech.net/el6/release/linuxtech.repo Move repo in ...
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2answers
2k views

Setting up FQDN in CentOS 6.3

I have a domain name: example.com. I am setting up my CentOS 6.3 server's FQDN, it used to be centos63min. Reading on the internet, I found a lot of examples, where people name the server something ...
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13 views

How can I repair a totally corrupt rpm db on centos 6.4 with no backup?

I am looking for help in repairing my Centos 6.4 rpm db. I had a disk failure and the backup rpm i have is not working also. I have googled the request and have come up with many different solutions ...
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1answer
13 views

Samba same shared folder read only for guest and read write for @somegroup how to

I want users in group Audio to have read/write and all of the other users (guest, anonymous, everyone....) to be able to browse and read only access to the same share folder. Guest users cannot mount ...
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1answer
304 views

Samba 3.6.9 on CentOS 6.5 existing user unable to connect to new share

I've got a question about samba connectivity. I installed a minimal installation of CentOS 6.5 and have it as a member server of AD, as per this guide: ...
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1answer
16 views

bind 9 and multiple domain names

I have been told the following from someone after trying to get more than one domain name (zone) to work on the same BIND instance. We are able to get a single domain name "example.com" working but ...
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0answers
11 views

Webshpere 8.5 with deployment folder on Virtual Box shared folder cause an “Operation permitted” error

I have a Websphere 8.5 on Centos 6.5 and I changed deployment directory by changing ${APP_INSTALL_DIRECTORY}. New path is pointing to place in Virtual Box shared folder (so it's pointing to vboxsf ...
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29 views

rm -rf * results in “Killed”

I used PHP to generate about 4,000,000 files in a directory (f/) because I was bored. When I cd .. and use rm -rf f, it simply returns "Killed" about half a second later and does not delete the ...
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3answers
323 views

How to deduplicate 40TB of data?

I've inherited a research cluster with ~40TB of data across three filesystems. The data stretches back almost 15 years, and there are most likely a good amount of duplicates as researchers copy each ...
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1answer
12 views

Bind domain name to hosting CentOS

I own "YouPlus.biz" and I own hosting at 192.169.218.8 (goddady VSP) I have been trying to Bind youplus.biz to 192.169.218.8 but have had no luck. have tried: ...
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0answers
35 views

How to spilt a bootable linux distro iso file onto multiple dvds or cds?

I have customized a centOS distro , by including some packages such as VLC,eclipse etc. but now the size of distro exceeds 7.42 gb. I want to : split the large distro iso into multiple small iso ...
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1answer
314 views

legacy grub: updated menu.lst is not used

This is a CentOS 6.4 with all updates inside Virtualbox OSE (quite old version). All information below refers to the VM, I don't think there is any issue on the host. /boot is a separate ext2 fs on ...
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1answer
85 views

How to upgrade xorg-x11-server

I want to use Xdmx, but it has got bug. I found this bug on Bugzilla and there is information that bug is fixed in xorg-x11-server-1.14.3-2.fc19 package. I use Centos 6.5 and I cannot upgrade to 7 (I ...
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1answer
30 views

How to use an email relay server from cmd line

I have some cronjobs that run on our servers that monitor processes, run automated jobs, etc. These scripts mail alerts for our monitoring or mails out the automated job results, etc. using the mail ...
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2answers
2k views

How to mount nfs using automounter(autofs)

I have an nfs at 192.168.1.10:/home/vm1/Desktop/nfs and will like to mount locally to /home/vm1/Desktop/nfs-mount using automounter...need help doing do What i did $cat /etc/auto.master /home ...
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0answers
29 views

Zenoss crashing

We have had a Zenoss installation for a couple of years. Everything was fine until about a several weeks ago when the system being out of memory. There was no significant event that could've led to ...
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1answer
25 views

Bash hints does not work after sudo or man

I use Centos 6.5. Tab key on keyboard helps to insert command in terminal. E.g. if I write vi and press tab then all possible opportunities are printed: $ vi vi vim ...
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0answers
46 views

How to start icewm?

I installed icewm 1.2.13. Metacity is my default window manager. Usually, to replace window manager --replace option is used, e.g metacity --replace. But my version of icewm does not have this option. ...
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1answer
480 views

How to mount a iSCSI/SAN storage drive to a stable device name (one that can't change on re-connect)?

We need stable device paths for our Twinstrata SAN drives. Many guides for setting up iSCSI connectors simply say to use a device path like /dev/sda or /dev/sdb. This is far from correct, I doubt ...
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0answers
11 views

How to delete a user from its private group?

I have tried deleting a user from its private group using the command " #gpasswd -d ". It is showing like this "Removing user test2 from group test2" gpasswd: user 'test2' is not a member of ...
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0answers
17 views

CentOS 6 Getting Sudo to show the display in a FreeNX session

My platform is a 32-bit installation of CentOS 6.4 with a gnome desktop and the FreeNX server. When I log into an NX session (usually using NoMachine NX Client), and then try to open an application ...
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26 views

Desktop Gone in Centos 6

I had a third party library created a ~ folder (a bug there), and I tried to delete it by "rm -rf ~". And apparently, it is a mistake -- my session got rebooted and then when I went back in, all the ...
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1answer
157 views

Centos 6.5( Desktop edition ) - Skype 4.0 login issue

I have installed Skype 4.0 on Centos 6.5. When I am trying to log into Skype, it tells me that the server failed to connect. Note: I also removed the ~/.Skype directory under the home directory. I'm ...
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0answers
45 views

Moving to a complete Nginx/PHP-FPM environment from Apache

I am sure this is a question many beginner sysadmins like me have, and many more advanced people have already put this in place: CURRENT PLATFORM: Nginx proxying to Apache, which manages PHP ...
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1answer
100 views

How to hide a directory and its contents on Centos

A quick Google search did not clear up my issue. I need to hide a directory on Centos 6. I want to do that because I'm running the command tree to print the tree directory structure, but I don't want ...
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0answers
50 views

Printing from Centos (CUPS) to a windows print server over HTTPS takes forever

I have a Centos server setup up to print to a Windows server 2012 (though version may not matter) across the internet. When I use HTTP to make the IPP call the process is nearly instant and works ...
2
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1answer
759 views

Why does ping to google.com or 8.8.8.8 fails

I am using Cent OS 6.4 and it is in a official lab. ping google.com gives the below output and hangs: [root@LAB1 ~]# ping google.com PING google.com (74.125.236.195) 56(84) bytes of data. ping ...
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1answer
21 views

Filetype is NET? Other sites on server are “folder”

I am curious as to why two sites on my Centos 6 server are "NET" as the filetype. Does it make a difference vs a folder? Here is a picture for better understanding: As you can see, ...
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3answers
79 views

Tuleap: Configuration of Bug Tracker report

I created a Bug Tracker and open different bugs. When I enter in my Bug Tracker, I see a web page with a search form in the upper part and a list with the different bugs in the lower part. However by ...
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0answers
45 views

Linux ALSA: No sound out from internal speaker

There is no audio output when running "Test Speakers" in Sound Preferences -> Hardware -> pcsp. The internal speaker worked fine under Windows. Sound can, however, be heard when headphones or a ...
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1answer
327 views

generate a keystore file in CentOS

How do I generate a keystore file in CentOS? I basically used the following command to generate the keystore and keys: keytool -genkey -alias signFiles -keystore name however I get the ...
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1answer
202 views

Warning: remote port forwarding failed for listen port on Centos 6

I have a problem with port forwarding in centos 6, when i do: ssh -v -R root@hostname:19999:localhost:22 root@hotname I get this warning: Warning: remote port forwarding failed for listen port ...
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2answers
46 views

CentOS 6.5 PHP extensions

I need to enable php extensions like PDO and GD but I can't find a section with all the PHP extensions enabled inside /etc/php.ini, so in which file is this defined? EDIT: using PHP Version 5.5.14 or ...
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votes
1answer
18 views

Tuleap: display of project description

I entered a list in the description of my project with carriage return after each item of the list. However in the project page, when Tuleap displays the descritpion of the project, it suppressed the ...
0
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1answer
113 views

libssl.so.6: cannot open shared object file

I tried installing my application in a CentOS 6 server. But while I am starting Apache(Server version: Apache/2.2.26 (Unix)), I am getting error like [error] install_driver(mysql) failed: Can't ...
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0answers
36 views

Linux Box Internet Speed

I have encountered a weird problem with my Centos6 Server, currently I have install Centos6.4 on a 64bit support CPU with 8GB of RAM and 500GB HDD. Just went to check on the internet this morning and ...
0
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1answer
461 views

Python2.7 / Pip2.7 install in Centos6: root does not see /usr/local/bin

I am trying to install Python2.7 in Centos 6. It's a pain as centos6 ships with python26 and yum is dependent on it. Furthermore yum does not seem to have python2.7 I ended up building it from ...
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1answer
76 views

Blank screen, CentOS 6.5

I'm on a Dell PowerEdge 2850, and I recently installed CentOS 6.5, and it worked well for a while, then recently whenever I booted into the OS like after the BIOS screen, everything went blank and it ...
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0answers
171 views

yum install gcc fails with invalid linux.dropbox.com/fedora directory

I am relatively new to Linux administration. I have installed Centos 6.5 (under VirtualBox on a Win7pro system). When I try to install gcc to the system using yum, I get the following results: ...
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0answers
12 views

CentOS login GUI Issue

I am trapped in weird problem. My Setup is CentOS 6.3 64 Bit My login screen is blinking so frequently that I am unable to see and login into it. I previously installed gtk2 using yum install gtk2, ...
3
votes
2answers
5k views

NIS failing on CentOS 6

Solved: See bottom. tl;dr: enable network manager. I'm trying to set up a CentOS6 system to login using NIS. I've set up the NISDOMAIN and for the files like passwd to be on the NIS server in ...
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0answers
13 views

CentOS - Creating a Virtual Internal Network

I've been looking around for a while now, and I can't seem to find an answer (maybe due to false terminology, searching for VLAN ends up bringing up something completely different). I want to create a ...
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2answers
1k views

CentOS 6.5 - bash: service: command not found

So I can't type service on my CentOS 6.5 server. I'm logged in as root. When typing service I get this error: bash: service: command not found I have also tried to type sudo service, but with no ...
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1answer
1k views

PuPHPet, Vagrant and SSH - SSH Connection Timeout

I built a new CentOS 6.5 vagrant box and after provisioning, the SSH connection keeps timing out. I've attempted the steps in Vagrant ssh fails with VirtualBox but I receive errors (see below). I ...
0
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1answer
404 views

Installing Oracle 12c on CentOs 6.4

I need to install Oracle DB 12c on Centos 6.5/6.4 that has no GUI (or xserver) installed, Is there a way to do it? Can you point me to a manual? Thanks
6
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2answers
27k views

Upgrading PHP 5.3.3 to 5.4.4 in CentOS 6.4

I'm using CentOS 6.4 (centos-release-6-4.el6.centos.10.x86_64). I'm trying to upgrade the php version from 5.3.3 to 5.4.4 by using: yum upgrade php-mysql php-devel php-gd php-pecl-memcache php-pspell ...
0
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0answers
48 views

centos 6.5 cant recognize gigabyte's onboard graphics card

I have just changed my OS to centos 6.5 and plugged in two monitors, both of the monitors are working but showing the same view. when I try to get the Display settings (System->Preferences->Display) I ...
4
votes
1answer
203 views

How to correct a screen wrapping around?

I got my hands on a Ubuntu System (which was displaying correctly) and I installed CentOS 6.3. The screen is wrapping around on itself. Any ideas? See for yourself