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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128 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 ...
4
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33 views

What are the steps to enable Apple Monitor on Centos 7

I have Centos7 installed on a Dell which has a thunderbolt compatible port. I've plugged in my Apple Mac monitor but predictably enough Centos detects it as an unknown monitor and can't push any ...
4
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0answers
226 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 ...
4
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841 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 ...
3
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0answers
68 views

Can't install python requests library on Centos 5.11

I'm running Centos 5.11. I'm trying to install the python requests package. But pip keeps giving me syntax errors. pip help returns [root@32437-201824 bin]# pip help Traceback (most recent call ...
3
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0answers
419 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
48 views

Centos 7 KVM cifs mount issues

I am having a issue with Centos changing my KVM images folder from the default to a Cifs Shared folder. Any time I try it, it returns a error like so: [root@localhost Centos_Atomic]# systemctl status ...
2
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0answers
305 views

How to mount NFS share in OS X Yosemite?

I have an NFS server (CentOS 6.6 at IP 192.168.1.16) that shares a folder /nfs/share. I want to mount this folder from a Mac laptop (at mount point /nfs/share). When I tried the following: sudo ...
2
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0answers
64 views

Set up Dynamic dns server

I am trying to set up a server at home. The network the server is on will be assigned a dynamic IP address from the ISP. I have looked into services such as DYNdns for a dynamic dns service. However I ...
2
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0answers
85 views

CentOS 7 Can ping but cannot browse

I have install CentOS 7, I unable to update unless I add the mirror list into my /etc/hosts. I can ping to what ever domain but cannot browse unless I put the address in my hosts file. The ping ...
2
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51 views

How to configure interface for FPGA using Red Hawk SDR

I would like to start using the Red Hawk SDR with a custom data acquisition board, but the documentation does not seem clear enough on exactly how to interface with custom FPGA based hardware. Is ...
2
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68 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 ...
2
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0answers
72 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
423 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 ...
2
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0answers
184 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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0answers
402 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 ...
2
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0answers
539 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
votes
0answers
487 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
536 views

How to get current number of opened inotify watches?

My system is CentOS. I'm trying to get this by listing fs.inotify variables via sysctl call (sysctl fs.inotify), but didn't found anything useful, only variables to specify limits.
2
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710 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
414 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
364 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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0answers
1k 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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0answers
352 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
696 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
775 views

Set the from address on emails from cron/Set default from address for sendmail

As a normal user I can send email, either from the commandline or from PHP. But when a cron job has error output, sending of that email fails (I have a MAILTO=me@example.com at the top of the ...
2
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0answers
4k 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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0answers
20 views

OCI8 extension not loading in PHP 5.4, CentOS 7

I have a CentOS environment running as a VM guest. It runs and Oracle 12.1 Database, along with PHP 5.4.16, on Apache 2.0. I've gone through the installation steps to ensure that the correct OCI ...
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33 views

CentOS can't see RAID array partitions

I have the current setup composed by (4x) HDDS sda, sdb, sdc, sdd partitioned in the same way: /dev/sd[abcd] | |- /dev/sd[abcd]1 [EFI FAT 32] |- /dev/sd[abcd]2 [Linux RAID] |- ...
1
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0answers
21 views

How to create a custom debian iso file from Windows step-by-step?

I'm using a Windows machine as a personal PC and I would like to know how could I customize a CentOS 6.7 iso file. In general, what I'd like to have on that specific CentOS is: a .tar archive some ...
1
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0answers
29 views

Centos warewulf cluster with openmpi

I have setup a warewulf cluster on centos 7 and i have installed openmpi-x86_64-1.10.0-10.el7, additionally i also installed mpich. Wen i run mpirun with openmpi it results in the error below, the ...
1
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0answers
25 views

Disk-less Booting with UEFI mode?

I'm fairly new to this. I was able to successfully disk-less boot in Legacy mode. But trying to see whether I can do the same on UEFI mode; since one of my system has issue on Legacy mode. I see ...
1
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0answers
17 views

PostFix Issue When Sending Emails through Outlook

I also have the Relay access denied issue and it's really disturbing me. I can send and receive normally from the web mail. However, when I configure the email on [B]Outlook [/B]without using ...
1
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0answers
24 views

Apache proxy returning 403 forbidden

I'm trying to set up a home page where I can redirect my requests to others servers with a proxy so I have a single point of entry. I used to have this setup working properly on a windows machine ...
1
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0answers
54 views

Installing zerofree on Centos 7 bare

I am trying to reclaim free disk space from a VirtualBox VM with Centos 7 as the guest OS. All of the resources I found online recommend using zerofree to zero out the free disk space before ...
1
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0answers
65 views

systemd-udevd.service ignoring 60-net.rules

I've tried my hardest to get this to work without asking for help. I can't figure it out. I have a machine that has 6 ethernet ports. I want them to be consistently named eth0 through eth5 just as we ...
1
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0answers
25 views

Is it possible to “peek” on another users session on the command line

I have deployment systems which connect via SSH and execute tasks after uploading files (namely deployhq.com). In my instance they're connecting to CentOS, Wheezy or Jessie servers. I only get ...
1
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0answers
24 views

Serve auto-generated zip files with small footprint

I currently use mod_zip/nginx(for automatically generating zip files). The (very very big) issue with mod_zip is - when it accepts range requests - it doesn't pass ranges to subrequests. What ...
1
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0answers
5 views

footer.html not being included on CentOS?

I'm a part time Apache admin (but not by choice). I'm trying to get a common footer configured on CentOS 7. The pages are plain HTML and they are being served correctly, but they lack the footer. I ...
1
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0answers
32 views

ifcfg-eth0 not being recognized after network restart

I am trying to configure a Bridged connection on a Centos 6.7 Virtual Machine, on a Windows 7 host. I have a static IP and a MAC Address for the host ethernet adapter (as shown in eth0). I have an ...
1
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0answers
48 views

Configuring my Bridged Network on a CentOS Virtual Machine

I am having trouble configuring my Bridged Network Connection on my CentOS 6.7 Virtual Machine. I am trying to run a R Shiny-Server Web Application on this Virtual Machine. When I try to go to ...
1
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0answers
20 views

CentOS - using PXE to install it on my host ( kickstart configuration )

I am trying to install an OS from our server through PXE ( Preboot Execution Environment ). However, on my host, I have two disks say A ( /dev/sda ) and B ( /dev/sdb ) The default installation path ...
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0answers
43 views

Limit process ram but force swap instead of kill

I am currently quite frustrated with meteor. I am going to make my own telescope modification via the official repository on my hosting service of choice. The only problem is that meteor builds the ...
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0answers
66 views

Tuleap 8.7 on Centos 6.6 “My Account” page blank

I have just installed Tuleap V8.7 on Centos 6.6 using the instructions at http://tuleap-documentation.readthedocs.org/en/latest/installation-guide/full-installation.html The installation seems to ...
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0answers
76 views

404 No input file specified. on VirtualBox, CentOS 6.5, Nginx

I have installed VirtualBox on my mac, and change the settings with VitualBox , Adapter 1 - Attached to: Host-only Adapter, Name: vboxnet0. and install guest addistions ./VBoxLinuxAdditions.run ...
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0answers
163 views

CentOS 7 as guest in VMWare: can't drag and drop, can't copy and paste

I have installed CentOS 7 as a guest under VMWare Workstation 7 on a Windows 7 host, and the problem is that I can't drag and drop files, nor copy and paste. VMWare's documentation has the following: ...
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0answers
36 views

Python 2.7 don't have HTTPSHandler and _ssl modules on Centos4.4

I build Python 2.7 from source code on Centos4.4, but there aren't HTTPSHandler and _ssl modules in Python2.7.10. I have already installed and upgrade openssl and openssl-devel before building ...
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0answers
165 views

Change windows border on Gnome 3 on CentOS 7?

I've downloaded new GTK3 themes and installed to the .theme folder, I can see that I can select the new theme under Gtk+ theme in Tweak tool, but it doesn't change the border. I can see that Current ...