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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5
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477 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 ...
4
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0answers
60 views

No browsing issue on PPTP VPN Server on CentOS 6 64bit

I am trying to setup a VPN server in CentOS 6 64-bit. I used the first 4 steps of following document to setup the server in How-to-setup-your-own-vpn-with-pptp. And I successfully managed to setup ...
3
votes
0answers
255 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 ...
3
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0answers
195 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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0answers
60 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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0answers
137 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
votes
0answers
410 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 ...
2
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0answers
1k 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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0answers
2k 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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0answers
386 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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0answers
675 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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327 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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0answers
608 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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0answers
324 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
326 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
votes
0answers
959 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
votes
0answers
300 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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0answers
642 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: BackTrack5 CentOS 5 Server/Snort (My Snortbox) Windows XP (Unpatched) I have 3 ...
2
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0answers
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
vote
0answers
13 views

request_module: runaway loop modprobe binfmt-0000

I'm running CentOS 7. Everything was working fine, until I had one pending update, which I accepted and rebooted. Now the system fails to boot and instead reports: request_module: runaway loop ...
1
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0answers
21 views

tuning windows 7 to centos linux smb over a long distance VPN connection

I'll try to fill in as I can, but here's the basics We have a VPN (I believe running openvpn) between a site in singapore to a main site in london, with the main site.Its a purely ipv4network. We ...
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0answers
9 views

1 chroot sftp user that is able to traverse all other chroot sftp users files/folders

I have a chroot environment that I have setup on CentOS 6. We have users for all of our trading partners and I would like to create an internal user for another department that can sftp in and only ...
1
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0answers
25 views

Got red screen of death after installing Centos6.6 on HP Proliant using cobbler

I'm trying to install CentOS 6.6 on a HP server using Cobbler 2.6.3. The installation process seems to be fine, but after rebooting, I get a red screen of death when the system tries to load the SO. I ...
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0answers
13 views

RHEL 5 box constantly displaying NIC statistics on console screen, how can I disable this?

I have a RHEL 5 box that is constantly displaying nic statistics on the console screen when using the KVM. This makes it very hard to do any troubleshooting when the box goes down as these statistics ...
1
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0answers
23 views

Failing to install PY2NEO

I am trying to install py2neo on a CentOS server. It fails with the following message: File "setup.py", line 29, in <module> from py2neo import __author__, __email__, __license__, __package__, ...
1
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0answers
16 views

X11 not starting correctly

I'm using the i3 window manager on Centos 6.5, with no GDM. I can boot fine, log in via the console, all works fine. When I do startx to load my .xinitrc file and start i3, it appears to start X, but ...
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0answers
26 views

How do I recompile Python in VirtualEnv?

I built virtualenv and it adds Python 2.7 by default in it. After reading this solution to a bug I have, it says I have to recompile Python with the option --enable-shared. So should I rm -rf Python ...
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0answers
56 views

How to autostart svnserve on reboot and specify the default svn path?

I'm trying to transfer a working subversion Ubuntu server to a CentOS server. Right now I just use svnserve, since I see no need for running it as an Apache module. I installed svn on CentOS with ...
1
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0answers
33 views

Unable to open gedit over sshx as root

I'm doing an remote login using sshx -X as root: ssh -X root@172.16.0.1 After that whatever application I open, a warning is coming like: X11 connection rejected because of wrong ...
1
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0answers
107 views

Nodejs remote debugging ports closed

I have a problem with nodejs remote debugging. I'm using centos on remote server and phpstorm on my PC. When I open putty I type the command: node --debug-brk=5858 main_server.js, and get the ...
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0answers
72 views

Is there a way to 'clean out' physical memory (RAM) that is tied up on my Centos/Apache webserver?

I am developing something that requires Server-side javascript, and as such am using PhatomJS to run the JS. It uses up about a 1GB of physical memory when all is well, but if I screw up some ...
1
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0answers
94 views

CentOs stopped working after update in VirtualBox

I recently updated my OS to centOs 6.4 in virtual box. Before update I had guest additions installed and everything worked fine. The screen resolution all was fine. After update to 6.6, the OS stopped ...
1
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0answers
26 views

CentOS 6 with User Permission (Read at message)

I have create users on CentOS 6 between test1 and test2 so I login on user test1 on ssh and i tried to access home dir of test2 so why it can access? how i can setting for other users can't access ...
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0answers
54 views

save alsamixer input source centos 6

I am not able to save the input source of my alsamixer. Every time I reboot the system the input source is set back to front mic. I want it to stay as rear mic. I tried alsactl store I disabled ...
1
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0answers
254 views

CentOS 6.3 and GNOME 3 (gnome-shell) installation from repository

Is there any possibility to install GNOME 3 (gnome-shell) from repository on CentOS 6.3, e.g. does some extra repository with GNOME 3 exist? I've read the thread about installing GNOME 3 on CentOS ...
1
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0answers
72 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 ...
1
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0answers
187 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 ...
1
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0answers
158 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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0answers
77 views

Map network drive to VM Virtualbox with CentOS

I can connect with Putty to my CentOS using the virtual machine's IP address, but I can not map a network drive to the virtual machine from Windows 7 using \\IP\shared_file. I use the VM's IP address, ...
1
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0answers
257 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 ...
1
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0answers
55 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 ...
1
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0answers
268 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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0answers
37 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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0answers
127 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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0answers
232 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 ...
1
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0answers
198 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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0answers
113 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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0answers
247 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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0answers
452 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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0answers
176 views

How to properly configure and use LXC through lxc-tools (NOT libvirt) on Red Hat based distros?

I am currently learning all about LXC. No doubt there are excellent tutorials about it. The tutorials/guides take one of the following approach: LXC on Ubuntu/Debian etc. using lxc-tools OR LXC on ...