CentOS stands for Community ENTerprise Operating System, the most popular Linux distribution for web servers with almost 30% of all servers using it. Third-party software is not included in the base.

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4
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227 views

Connection timing out when connecting to Milter service

I'm using a VPS with CentOS 5, containing Postfix and OpenDKIM. I have set up OpenDKIM using this guide. Everything seems to work properly as the log in /var/log/maillog does not report anything other ...
2
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24 views

Printer configurations on Linux: Providing privilege to normal users

I am on a CentOS machine. Everything is working fine, I can configure the printer with the GUI System->Administration->Printing. It asks for root password and then I can make the configurations. ...
2
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73 views

“screen is terminating” for non-root

When I try to run screen as a non-root user I get: screen [screen is terminating] immediately, though it works fine for root ls -alh /usr/bin/screen -rwxr-sr-x 1 root screen 465K Jun 9 20:30 ...
2
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0answers
75 views

Convert rtf to pdf removing the hidden text of rtf file

I am using Ted on CentOS 6, for conversion of RTF to PDF documents via shell_exec command from php script like: shell_exec(rtf2pdf.sh test.rtf test.pdf) But the issue is that if the RTF file has any ...
2
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810 views

CentOS 5.10 Yum Packages won't update/upgrade

I've just used yum to install PhpMyAdmin and it installed version 2.11.11.3-2.el5 which is completely out of date since version 4 is out. I've tried running yum update phpmyadmin but I receive No ...
2
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146 views

bash column command confused by ANSI color escapes

I have a bash script I got from Gary Bernhardt's dotfiles that prints a nice colorized listing of the recent git commits. It uses the column command to line the output up into columns. On my mac, it ...
2
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1k views

Accessing VM on host machine through IP address

I'm trying to set up a CentOS VM with VMware Fusion and get access to it through the host. I was following a tutorial online for this as this is my first time doing this. When I try to access the IP ...
2
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159 views

Need noacpi in CentOS 6.4, not in RHEL 6.4

I've been trying to fix a rather odd problem that I've seen on our new Dell R5500 (Xeon based workstations). We want to run CentOS 6.4 64 bit on them. We did a base install which worked fine, however ...
2
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275 views

Is my CentOS library multiarch? And what does that mean?

On CentOS release 6.4, I am trying to run a binary. However, it gives the following complaint: (...) requires "/lib/libuuid.so.1" to function. From a quick search, I can see that the only similar ...
2
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470 views

mdadm RAID monitoring no DegradedArray email

So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working. The system in question is a ...
2
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231 views

How do I install sass on centos 5.9 with ruby 1.8.7?

I have CentOS 5.9 on an x86_64. I've installed ruby 1.8.7. Whenever I try to install sass I get an Error saying sass requires Ruby version >= 1.8.7. but that's what I have installed. This is the ...
2
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429 views

CentOS Freezes on Startup

I'm very new to Linux, so please go easy! I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
2
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240 views

Centos/Redhat XSP4 daemon

How can I install xsp to run as a daemon.I run my /etc/init.d/xsp script(see below) it stops with status message : Listening on address: 0.0.0.0 Root directory: /var/www/asptest Listening on port: ...
2
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0answers
283 views

Authenticate Mac OS X Mountain Lion against EL6 OpenLDAP only succeeds for ssh

I'm having an issue with mountain lion authenticating against a CentOS 6 openldap/krbkdc server. I can ssh into the macs in question and I am issued a ticket and all autofs mounts (like the homedir) ...
2
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795 views

Why is ssh login occasionally failing?

I'm using ssh to execute commands on another host and have noticed that occasionally the connection is closed before it ever connects. Both hosts are CentOS release 6.3 running OpenSSH_5.3p1, OpenSSL ...
2
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227 views

How do I mount a Union filesystem under Centos

I did some work on a Centos LiveUSB system. I created some files etc. I later moved to a complete linux install and want to read the previous LiveUSB filesytem straight from the usb key. From my ...
2
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551 views

Virtual Box Pen Test Lab Set Up

So i'm trying to set up a pen test lab in virtual box on my windows 7 host. I have 3 guest OS's installed: 1.) BackTrack5 2.) Centos 5 Server/Snort (My Snortbox) 3.) Win XP (Unpatched) I have 3 ...
2
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3k views

setup vpnc to use vpnclient certificate for authentication

I am trying to access my company VPN using my Centos 5.5 laptop. I have the vpn client certificate issued by my company's IT dept. I am able to access the webmail using the same certificate which I ...
1
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27 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 ...
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31 views

Can't login to CentOS desktop as root via GUI prompt

I have CentOS 6.5 running on a VM in VirtualBox (Windows host). I had no problems logging in as root from the GUI prompt (clicking on Other and typing root, then my root password and getting the ...
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19 views

White label Nameservers (RDNS): IP and BIND Syntax Questions

Some questions regarding setting a RDNS on a DNS cluster using BIND/WHM/cPanel + WHM DNS Only. Objective Setting up a DNS Cluster of: East US | Xen | CentOS 6.5 | with WHM/cPanel VPS | 2 IPv4 | ...
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30 views

NTP Multicast configuration

I'm trying to get NTP multicast set up between a few computers. Right now I'm getting NTP multicast packets from a computer that I have neither access to nor information on (let's call that A) that is ...
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21 views

Block web browser FTP integration on CentOs 6

I'm switching over to a new provider and I can't remember what I did on my old server to block browser FTP log in. What I mean by browser log in, is that someone can go to a web browser and type ...
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38 views

No irq handler for vector (irq -1)

I recently installed Centos 6.5, however, I am constantly flooded by messages like: Message from syslogd@localhost at May 18 15:38:34 ... kernel:do_IRQ: 0.123 No irq handler for vector (irq -1) I ...
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21 views

Is there a way to make a desktop session recording using RHEL/CentOS 6 Base or Extras packages only?

I have access only to the Base and Extras packages and am trying to make a screencast on CentOS 6.5. All of the packages that I have used in the past (istanbul, recordmydesktop) are unavailable to ...
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188 views

When I try to access a SMB mounted folder from inside a Vagrant CentOS Virtual box on a Windows 8.1 system, my shell locks up

I'm running Oracle VirtualBox 4.3.10 on Windows 8.1 and inside I'm running CentOS 6.5. I have a /windows mounted on my Windows machine through SMB. Normally I use the /vagrant vboxfs file system, but ...
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14 views

Changing internal database to external JDBC in Atlassian crowd

I have installed Atlassian crowd using the internal database method on Centos 6. Installation went successfully and now i want to use external database (mysql) using JDBC. I cant find the option to ...
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62 views

linux - centos won't boot after rebuilding raid

I have a dedicated server with OVH. Yesterday they had to replace one of the HDD because it was about to fail. After replacing the disk, we had to rebuild the RAID and now the server won't boot ...
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65 views

Avoiding sleep when lid is close and no one is logged in

I've an old Dell Latitude laptop that I've converted to CentOS 6.5. As this is going to work like a server (i.e. no one will use it directly) I've changed from UI the power management option to ignore ...
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80 views

Is there a way to get host Hyper-V UUID from linux gest?

I have a CentOS 6.4 runing on Hyper-V VM. If I export the VM to other Hyper-V server, the UUID keeps the same. Is there a way to avoid this, or use other identifyer to know that the host hardware have ...
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65 views

Does a VirtualBox/CentOs need two adapters to work properly ?

I have a Windows 7, 32bit, HP Laptop. I have CentOs 6.5 running on VirtualBox 4.3.10. Here is my eth0 config. Code: #vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 ...
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102 views

chpasswd and passwd not updating /etc/shadow for root user

I'm having a weird problem, and I don't know if I've screwed something up or this is the way it's supposed to be and I never noticed.. Using passwd and chpasswd to change a users password works as ...
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245 views

Is there a Vim 7.3 or 7.4 package available somewhere for CentOS 6.5

I'm running CentOS 6.5 and the only Vim packages available from yum are for Vim 7.2, even though Vim 7.4 is now out. A lot of the Vim plugins I typically use are only compatible with Vim 7.3 and ...
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189 views

execl: couldn't exec `/bin/sh'

I accidentally moved the whole bin, boot, dev and etc directory. After moving everything back I get the following error email from various cron jobs: execl: couldn't exec `/bin/sh' execl: No such ...
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176 views

Installing fonts on GUI-less Linux for wkhtmltoimage

I'm having difficulties getting wkhtmltoimage to recognize fonts not installed on my CentOS 5.8 box. I've tried installing the font I need (Verdana) via .rpm but that didn't seem to work. I tried ...
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343 views

CentOS 6.4, hibernate issue

The problem is, I can't use Hibernate feature. The system allows me to, but just after the power down, the system wakes up. Seems the system is getting wakeup command from somewhere else, USB, PCI... ...
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236 views

mount: / not mounted already, or bad option

Can't mount the system with data=writeback I've added ,data=writeback to fstab than fstab: /dev/mapper/vg-lv_root / ext4 defaults,noatime,discard,data=writeback ...
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0answers
36 views

HyperVM Disk Issue

I have HyperVM installed on a server with a 250 GB SSD hard disk. Now, it is showing "Disk quota exceeded" error. On the same server I have a 6 TB SATA HDD. I want to move my HyperVM from SSD to SATA. ...
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0answers
22 views

How to view the versions available in yum

I'm trying to find a specific version of node.js (npm) to install on a CentOS machine. I want a specific version so that new members of our team aren't all running different versions of node.js than ...
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0answers
59 views

CentOS 6, Webmin, Virtualmin

I have a VPS account running CentOS 6 with 3 IP addresses allocated to it for various SSL certificates. When I do an NSLookup for the IP addresses they resolve and display the wrong name. ...
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0answers
404 views

Logging rssh/chroot SFTP users

I'm trying to log activity (uploads, downloads, renames, deletes) for SFTP users. If I SFTP with a normal user, it logs to /var/log/secure. If I SFTP with a rssh user, it logs that they connected, but ...
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0answers
101 views

xdotool : close all windows except the one that is active (infront)

I would like to execute a command that will close all windows except the one that is currently active. i would likely to place this command in the gnome-panel which means when i click on the button, ...
1
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0answers
101 views

OpenDKIM Signing return fail when spaces in mail

Few days ago I install OpenDKIM Signing using on my CentOs 6 server by manual - http://stevejenkins.com/blog/2011/08/installing-opendkim-rpm-via-yum-with-postfix-or-sendmail-for-rhel-centos-fedora/. ...
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156 views

ifup, ifdown on centos 6.3 guest on virtualbox

On a Mac OSX I'm running virtualbox 4.2.16 with a centos 6.3 guest. On the centos guest when I issue ifdown eth0 or ifup eth0 I get: usage: ifdown <device name> Same thing with eth1. What am ...
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117 views

Setting up VPN on Centos with router doing dhcp

I've successfully setup PPTP VPN on my CentOS 5 server and can connect to it. I've set it up to use the IP range 10.0.1.50-60 and this works and we can ping each other but from what I can tell these ...
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422 views

Can I hide BIND mount points from DF?

Is there a formal way to hide the mount points of BIND from df (in CentOS 6.4) ? It's ugly and distracting. Apparently people have been complaining about it for a decade but I cannot seem to google ...
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312 views

Git and (gitweb) and SVN both over HTTPS at same time

I'm trying to run both a Git server over http and I already have SVN running over http as well. I'm runnning centos 6 My git.conf (located in /etc/httpd/conf.d/) file looks like LoadModule ...
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0answers
202 views

Trouble installing php-devel on CentOS

Working with a PHP install and trying to install APC on a server to help with speed issues with an application we're developing. We are having trouble getting phpize installed. phpize is not on the ...
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79 views

My vbox shared mount will not auto mount and is only ready only?

My vbox shared mount will not auto mount and is only ready only? I am using scientific linux host and centOS guest and I am trying to share a folder I have in both accounts but the folder is only ...
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183 views

How to set Cloud9 URLs to subfolder?

I have installed an instance of cloud9 on a webspace (CentOS 5). Installation was easy and it is running fine. My hosting provider supports mod_proxy, thus I use a .htaccess to re-route the requests ...