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

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Service httpd is failing to start - fcgid can't create shared memory

I'm not sure why, but when I try to start the httpd service, it will not start. Server config: OS: CentOS 5.10 PHP: 5.5.7 Apache: 2.2.3 I built mod_fcgid from source, put it into the ...
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2k views

How to install PHP 5.2.4 in CentOS release 6.5 (Final)?

Folks I need to install PHP 5.2.4 in CentOS release 6.5 (Final). My souces list are: # CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of ...
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303 views

CentOS VPS not starting after installing zPanel

I've had some trouble earlier installing zPanel, but then I was told that I've been using the wrong package, I was supposed to use the 32-bit version, but kept trying with 64-bit. After figuring that, ...
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374 views

how to set up ldap and trac

I have set up kerberos authentication with trac which works well. Now I want to use AD groups and users for trac permissions using the trac plugin Configuration for LdapPlugin. I have been following ...
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495 views

CentOS memory allocation

I was running my VPS with CentOS on 1G memory, but I saw the memory was getting "full" so I had 1G extra installed. This VPS is one I rent at a hosting company. That company did most of the ...
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80 views

Configure Cent OS 6.4 so that desktop persists after closing VNC session?

I want to configure my newly bought VPS to be able to automatically boot into the Xfce window manager and let users connect to it via VNC and still keep the window manager running after the user ...
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170 views

Listing previous logins through sftp

Hello people of the stackexchange, I am having a little difficulty trying to find a location of a particular log file which i'm hoping someone on here could help me with. What i am trying to do is ...
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170 views

Firewall config prevents hibernate connecting to postgres in CentOS6.3

I have an operating environment in CentOS 6.3 that has tomcat7 and postgres9.2 installed. There is just one web application deployed in tomcat that tries to establish a connection from localhost to ...
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62 views

Where is the default icon used by Gnome when no icons are found?

Just to experiment, I moved the folder /user/share/icons/ away, as in saved it on a USB drive and deleted it from Linux. Now, all icons are shown as the default "white" icon. Where is this icon ...
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488 views

FFmpeg-php installation error on CentOS 6 x64 bit

I'm trying to install ffmpeg and ffmpeg-php. FFMpeg installed perfectly. When I try to install ffmpeg-php, I'm running ./configure and it's configured fine. However, when I run make it gives me the ...
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514 views

Restore a Linux backup on virtual machine

I have made a backup of my Linux OS in a bacukp.tgz, the OS is Centos 6.4. Now I want to create a new VMWare virtual machine from it. Do I first need to install Centos from CD or ISO, and then ...
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1k views

How can I enable fail2ban and mod_secure logs to appear in logwatch on centos 6.4?

I have logwatch working fine but I don't see the fail2ban and mod_secure logs appearing in my logwatch logs. How do I enable this? What do I need to do to logwatch's configuration file? Below is the ...
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1k views

putty connection works but ssh command line refuses password authentication

I'm struggling quite a lot around ssh tunnels today. First, here is my configuration: My local machine, a PC with windows XP (ip=l.l.l.l) My remote server, with a CentOs 5 installed (ip=x.x.x.x) ...
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603 views

How to scroll in a terminal by line in GNOME Terminal 2.31.3?

I use Shift+(PgUp/PgDown) while scrolling in the terminal. But it seems to scroll one screen (or a half may be) at a time. I feel comfortable scrolling the terminal by line with the mouse, but don't ...
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390 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 ...
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228 views

Wifi module doesn't work anymore in CentOS

Like the title said, my wifi module doesn't work anymore. After a kernel upgrade. The wifi LED is permanently red. I can only use a wired connection. EDITS I add only the lscpi output because the ...
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409 views

Centos 5.3 - Need to use 4 com ports without resource conflicts (system has 6 com ports)

we hope to use 4 serial ports together on Centos 5.3 (could not upgrade to newer version due to application limitation). COM1 and COM2 works perfectly. We use echo to output to customer display to ...
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898 views

Why doesn't /etc/udev/rules.d/70-persistent-net.rules exist on virtual machines?

CENTOS 5.9 I'm curious, why doesn't /etc/udev/rules.d/70-persistent-net.rules exist on virtual machines with CentOS 5.9? Is there an alternative file name for this when using a virtual machine?
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232 views

403 Forbidden on Sub-Folders

I am a Linux newbie and decided to do a LAMP install to start getting more familiar with it (as our company is moving more towards nix these days). Everything went great and PHPMyAdmin, MySQL, ...
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1k views

Unable to install Atheros AR8161 Ethernet controller driver for centOS 6

I've installed CentOS 6.3. However, eth0 does not show up on ifconfig. So I figured out that I need to install alx Ethernet driver from here. Since my internet is not working, as ethernet drivers are ...
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416 views

selinux, dovecot and sieve

I've just started learning to configure SELINUX and this morning on my CentOS 6.4 x64 system, with postfix/dovecot/mysql installed, I woke up to the following selinux issue found 1 alerts in ...
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1k views

rc.local not being executed when os boots up

I have a script that needs to be run when os boots up. I added it to /etc/rc.local. It was working fine for sometime but now rc.local does not load at boot time. When i checked the permissions on the ...
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179 views

Centos 6.2: Unable to open terminal after vbox save state

I'm experiencing this issue frequently. Usually, I work on my Centos 6.2 in VBox for a while and then close it by saving state (going to other machines or doing host work). Then, I resume my session ...
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3k views

centos 6, hostname won't resolve, dns issue, loop detected

I've searched everywhere and tried all the suggestions that I've seen, but I just can't get this to work now (it was working before). This is the first time I've ever installed a test server that I ...
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96 views

Allocating resources to VPS's

I need a layman's term definition of these parameters and what they do in terms of allocating resources to servers, as I'm having issues with the VPS's that I set up, as Java seems to be unable to set ...
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282 views

Fail2ban showing error Unable to contact server. Is it running?

We start fail2ban in centos using this command service fail2ban start but when we run service fail2ban status we get as below? What could be the mistake ya? Fail2ban (pid 2810 2813) is running... ...
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167 views

iSCSI on startup

I've configure iSCSI but CentOS 6.3 is unable to recognize if on startup. Here is fstab config: /dev/sdb1 /home ext4 _netdev 0 0 Here is iscsi.conf ...
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93 views

How to install master branch of freeradius on Centos

Could someone take me through the steps to install the master branch of freeradius on a fresh Centos 6 installation?
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409 views

Editing isolinux leads to kernel panic error in Centos Live CD

I downloaded a CentOS Live CD and tried to customize features on it. The CD boots fine if I use it "as-is". If I edit "isolinux.cfg" to edit the change the title of the CD or the automatic boot time, ...
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305 views

Set default Soundcard Centos

How do I set my default soundcard on Centos/Linux? I have two soundcards installed on my system and it always detects the wrong one, upon boot.
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118 views

Naming process in init scripts

I'm trying to write an init script that will start a service that needs to have started postgresql server before. Bellow is the postgresql's init header: #!/bin/sh # # postgresql This is the init ...
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463 views

RHN Satellite scout won't push

My RHN Satellite (Spacewalk) server is having issues with monitoring. The Spacewalk Monitor Scout will not push out successfully. It always stops with a Request Expired status. I can't seem to find ...
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2k views

After install Centos 6.3 from USB, it doesn't boot

I installed CentOS on my machine from my USB. I did a minimal CentOS USB drive with UNetbootin. After I install the CentOS, when i try to reboot, it does not starts. I have only the cursor blinking on ...
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598 views

Can't launch Snort on CentOS 6.3

I have a problem installing Snort on CentOS 6.3 in a virtual environment. When I run snort - ./snort status: Running in packet dump mode --== Initializing Snort ==-- Initializing Output ...
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219 views

Multiple Sessions and 1 is slow

Setup is a Centos 6 x64 server and a Windows 7 client running putty. Multiple sessions are opened to this same server from the same client. Periodically, one of these sessions slows to a crawl and ...
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588 views

Install CentOS in a VirtualBox to a Compact Flash and use it on a mini PC

I got into a very specific situation and want to get to know your opinions. I have got a mini PC with Intel Atom processor which should run CentOS with an upgraded kernel to 3.x and some ...
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465 views

Unable to run yum update on virtualized centOS 6.3

I am running a virtualized CentOS 6.3 on a Windows 7 computer. The computer (4 GB RAM) is connected to a corporate network. When I run yum update, it shows some progress, then eventually the VM (2 ...
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690 views

I can't find my tape library changer under centos 5 with a quantum scalar i40

i have a quantum scalar i40 connect on a centos 5 machine trough SAS interface. I fight with it since a while because the media changer does not work. I finally understood yesterday that the system ...
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324 views

ffmpeg: error while running with libx264

Main code: ffmpeg -i 2269801.avi -threads 0 -vcodec libx264 -b 900k -acodec libfaac -ar 44100 -ab 96k -ac 2 earthgirlsareeasy1.mp4 [libx264 @ 0x16cdde10]broken ffmpeg default settings detected ...
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225 views

i386 libtool conflicting with x86_64 libtool when installing Handbrake

I've been trying to install Handbrake on centos 5.8 with the help of some different guides. I'm running x86_64, and whenever I try to install packages necessary to build the binary, the arch ends up ...
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824 views

Hanging at “Running Transaction Test” when trying to install php-soap

I have here a CentOS 5 and I'm trying to run yum install php-soap but the installer hangs on and the last step is Running Transaction Test. I found out that NFS shares are the problem. See here or ...
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587 views

How can I tell if no_root_squash is enabled from an NFS client without mounting the share?

Obviously, I can look at /etc/exports on the NFS server-side to see if no_root_squash is enabled, but is there a way I can check this from the NFS client-side without actually mounting the share? ...
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14 views

How to grant user teminal access in VNC

I have server CentOS 5.2 that has GUI, ORACLE 10g R2 installed on it, I want to provide any DBA who will use the system access to the server via VNC, but I don't want to share the GUI, only terminal ...
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18 views

“iptables -L” isn't showing a rule I just added

I have issue with iptables it's not listing any newly added IPs. I tried both: iptables -A INPUT -s 188.143.232.15 -j DROP and iptables -I INPUT -s 188.143.232.15 -j DROP and service iptables ...
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9 views

Different linux OS on particular hdd

Have Adaptec RAID controller. There're 4 hdds on it. Existed Centos 5.10 on: /dev/sda1 - /boot ext3 /dev/sda2 - LVM I decided to migrate to Centos 7 and installed It on: /dev/sdd1 - /boot XFS ...
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12 views

centos 7 installation with customized bridge module

I have installed latest Centos 7 x64 edition in my server. I need to modify the linux-bridge module with some customized changes and use it as a default bridge module. Currently I am building centos ...
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26 views

Centos 6.6 unrecognized services during boot rsyslogd / iscsid / iscsi / mcstrans / syslog / yum-updatesd / rhnsd

Could anyone explain what is going on here, the server used to boot fine without errors and now all of a sudden services cannot be found anymore? When researching any of these errors I get no ...
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16 views

Fail2Ban: Sending Mails with CentOS 7 using postfix

I am seeking advise on how to get Fail2Ban installed and configured on CentOS7 using firewalld and postfix for sending reports. I am not in need and even don't want having a fully featured mail server ...
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24 views

CentOS 7: write failed: broken pipe when trying to reboot

Commands I've tried: sudo reboot sudo systemctl reboot Both commands just ask for my password for sudo then write: Write failed: Broken pipe Then they close the SSH connection and I can ...
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10 views

installing r8168 driver in centos 4.8

I have installed cent os 4.8 and I am not able to connect to internet from that system. After searching on the net I found that the system has r8169 driver instead of r8168. Now I am trying to ...