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

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Unknown DAV provider: svn

I did something wrong On my CentOS 5.9, I did the following: cd /usr/local/directadmin/custombuild ./build rewrite_confs But now I get an error restarting httpd: [root@1332 conf]# service httpd ...
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1answer
659 views

Got the “ERROR: Cannot decode data link type 239” message when turn on sniffer mode

I would like install snort 2.9.6 into Centos 7 the installation is ok and the result of the self-testing mode is correct but when I run this command to change Snort into sniffer or nids mode. I got ...
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0answers
34 views

Job for openvpn@server.service failed

here is the problem during starting the OpenVPN service.. Just after command systemctl start openvpn@server.service terminal shows message: Job for openvpn@server.service failed. See 'systemctl ...
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1answer
42 views

what is difference between /usr/lib and /etc/systemd?

Before all the unit files were in /etc/systemd/system/ but now some are showing up in /usr/lib/system, what is the difference between these folders?
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3answers
119 views

Software RAID 10 Array Space Loss

I purchased a dedicated server from a hosting company for a forum I am starting and the drives are configured as 4 x 64GB SSD's in a RAID 10 software array. The total amount of space I was expected ...
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119 views

fresh centos 7.1 install continually boots into “emergency mode”

I installed centos 7.1 on bare metal (dual boot with windows), with encrypted disk. Installed a few things (oracle java) and did a full yum update Now the system keeps booting to a console emergency ...
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1answer
50 views

Alternative to adobe flash on centos 7?

Am unable to play content from sites like "hbogo.com" on my centos machine, as it warns me of having outdated flash player. As adobe is not supporting linux updates anymore, can you suggest me ...
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50 views

What does “4m[terminated]” mean after restarting CentOS?

After installing CentOS 7 and restart it, it always promptd "4m[terminated]". After googling, I can't find the meaning of this phrase. What does this prompt mean? Will it affect normal OS functions?
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73 views

Install php apache module from source in CentOS 6.6

I tried running yum install php on my centos box however it kept installing an older version. Therefore I installed apache 2.4 and php 5.4 from source. However, I'm not sure how to install the ...
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2answers
553 views

Cant install gnutls.i686 on a x64 CentOS install

I need to install gnutls.i686 on CentOS 7 but I get this error in yum: Transaction check error: file /usr/share/man/man5/pkcs11.conf.5.gz from install of p11-kit-0.18.7-4.el7.i686 conflicts with ...
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2answers
4k views

Installing python modules for python2.6

On my CentOS 5.8 system (el5 , 64bit), I had python2.4 after OS install and I installed python2.6 now. Now I want to install python modules using yum. But whenever I install a new python module it ...
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0answers
47 views

Run 2 instances of xinit with output to separate video out

I have a video card with 2 video outputs. I want to run 2 instances of xinit and draw 2 different displays. I want one display to be output to one video out and the other to go to the other video out. ...
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2answers
291 views

yum Error:rpmdb open failed

I'm trying to run yum update and I'm running this error: rpmdb: PANIC: fatal region error detected; run recovery error: db3 error(-30974) from dbenv->open: DB_RUNRECOVERY: Fatal error, run ...
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3answers
6k views

How to install emacs using YUM without X11 libraries?

I have installed a minimal installation of CentOS 6.3 inside a VirtualBox VM. Now, I would like to install Emacs for use from the command line only. When I do a search for emacs using yum search ...
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1answer
28 views

Install nemiver in CentOS 7

I am trying to install nemiver debugger in my CentOS machine. I followed the instructions listed here: Walkthrough. I got stuck however because despite the successful installation of ...
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1answer
36 views

Failed to create local repo in CentOS

I'm trying to create a loca repo in Centos 6.6, so: I created the file: [local] name=Centos $releasever-$basearch baseurl=file://var/pub/rpms gpgcheck=0 enabled=1 Then: mkdir /var/pub/rpms cp -r ...
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1answer
65 views

CentOS 7 - why the service file is not working to run my bash script?

How to make my bash script as service in CentOS 7? following is failing. $ cat /etc/systemd/system/mybash.service [Unit] Description=mybash Service After=network.target [Service] Type=simple ...
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1answer
18 views

Safely updating packages on Centos and custom compiled applications

I've inherited some Centos servers (6.2) that I want to get up to date, we have one dev machine. I'm starting off on the dev machine going through updates with security amendments, and applying ones ...
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0answers
83 views

how to make LVMs at available boot? kernel panic - dracut cannot find logical volumes after kernel upgrade in CentOS 6.6

I have a centoOS 6.6 vmware vm that I ran yum update on which upgraded the kernel after reboot, I started getting this: dracut Warning: No root device "block:/dev/vg_myhost/lv_root" found dracut ...
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0answers
91 views

SSD installed, but shows as HDD in command output

Strange issue here. I have a 480GB SSD drive installed in this server. I installed it myself. I see it, it's there. But, I'm getting an incorrect output on a typically used command to determine if ...
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1answer
45 views

CentOS Postfix changing mail server

I've been using Postfix on my CentOS 6 Server on it's default install settings but I would like to configure it to use the mail server from my existing email. I altered the /etc/postfix/main.cf file ...
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2answers
15k views

How to create a bootable USB with Windows?

How would I go about creating a CentOS 7 bootable USB drive with Windows? I've read the howto page for it and it says that Unetbootin and Universal USB installer won't work for CentOS 7. In addition, ...
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0answers
29 views

trouble with installing php-gmp on centos with whm

In order to use blocktrail sdk https://github.com/blocktrail/blocktrail-sdk-php I need to install php-gmp. I installed it on one server using yum successfully. But the server I need to use is ...
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1answer
135 views

How to disable local delivery in exim Vesta CP panel

How to disable local delivery in exim VestaCP Panel, I'm getting “Unrouteable address” error message in mail log.
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6answers
23k views

CentOS no network interface after installation in VirtualBox

I have Ubuntu 12.10 on which i installed virtual box on which I setup centos 6.4 i386. On Ubuntu I have: 3.5.0-17-generic kernal running. On virtual box I install centos 6.4 and everything works ...
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36 views

Mod Speed Installation Error

I have 2 webservers Apache and Nginx. Trying to install mod_speed integrated with Apache but I get error: Failed dependencies: httpd >= 2.2 is needed by ...
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0answers
8 views

centOs 7 Bind 9 pki directories what is the purpose

i would know what is the use of this directory, because he caused some bad behaviors(permissions issue) with the named-chroot service. So i would know why named-chroot need it to start. he contains ...
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1answer
47 views

ffmpeg -acodec copy does not copy all audio stream to the new container

I wish i can find ffmpeg help here at stackexchange. I'd been re-encoding old videos to libx264 to save up some storage space, as I thought it should be working based on documentation seems failing to ...
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2answers
1k views

php-fpm error unable to bind listening socket for address '127.0.0.1:9003': Permission denied (13)

I've added a config file to /etc/php-fpm.d ; Start a new pool named 'joeri'. ; the variable $pool can we used in any directive and will be replaced by the ; pool name ('joeri' here) [joeri] ; Per ...
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1answer
34 views

Problems Setting Up DHCP Server On CentOS 6

I have been trying to set up a DHCP server on CentOS 6 running on an Intel NUC i7. I have installed dhcpd and am using the example dhcpd.conf subnet 192.168.1.0 netmask 255.255.255.0 { option ...
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1answer
861 views

Any better alternative to chroot on an OpenVZ VPS?

Are there any better alternative to chroot environment? I'm thinking about running nginx on a jailed environment. BTW, I'm on OpenVZ VPS, so modifying the Kernel is a no-no. (I think that prevents ...
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48 views

scp from a remote machine

I am having trouble moving files off a remote machine that we need to take down. I can SSH into the remote machine just fine but, when I try to scp the files out I get an connection timed out on port ...
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1answer
890 views

Upgrade OpenGL from 1.2 to 2 for Nvidia GT218 [GeForce 310]

To run my application OpenGL version 2.0 or higher is required. glxinfo | grep OpenGL yields: Xlib: extension "NV-GLX" missing on display ":1007.0". OpenGL vendor string: Mesa project: ...
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0answers
50 views

Using Cgroups with Systemd to restrict bash cpu & memory

I want to restrict every user on my Centos 7 server who is logged in via SSH. They should not be able to use, for example, a forkbomb and kill the whole system. The superuser will have no restriction. ...
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1answer
56 views

Install CentOS 7 through IBM IMM2

I'm trying to remotely install CentOS 7 (using the "Everything ISO" from official download page) on an IBM server with IMM2 (Integrated Management Module 2) using the Remote Control single-user mode ...
4
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4answers
12k views

Can't wget from github, sslv3 handshake error

We have a script that downloads mod security from github that has recently started failing. The servers run CentOS 6 but RHEL 6 probably has the same issue. The output is: # wget ...
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0answers
62 views

Apache (httpd) failing to start on boot - CentOS 7

i've just installed CentOS 7, so still getting to grips with it, but can't seem to figure out why Apache won't start on boot. I have enabled the service via systemctl, and if I start it manually then ...
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1answer
53 views

AWS Outbound ACL Rules impact on incoming ssh connections

I am making a bastion ssh server on CentOS 7 in an AWS EC2 instance. When I use the following rules in its ACL, I am able to connect to the server just fine: Inbound Rules Allow traffic on port 22 ...
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1answer
43 views

Systemcrash suexec forkbomb.sh ulimits

i got this script named fork.sh: #!/bin/sh forkbomb() { forkbomb | forkbomb & } ; forkbomb if i call it trough suexec my whole system will consume 99% cpu. to prevent a normal bash forkbomb i ...
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1answer
85 views

Intel 6300 wireless card won't work on CentOS 7 - worked during install though!

I installed centos 7 on a laptop with an intel 6300 wireless card in it. During the install, the wireless card was available and I was able to connect to my lan. After the install, I don't see the ...
0
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1answer
65 views

CentOS 7 - while installing i set disk encrypted with password, but on reboot always it asking password

While installing CentOS 7, i put password for disk encrypt. Now while working remotely on that machine and doing reboot it always ask password to be inserted on-site. Is this normal? or there is a ...
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6answers
9k views

CentOS | [root@hostname] does not show anymore?

For some reason I logged into my CentOS6 server and at the beginning of every line it normally shows [root@hostname]# Now it shows -bash-4.1# What does this mean? And how to I get it back to ...
1
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1answer
40 views

Connect to Samba Share across OpenVPN tunnel

I've recently setup OpenVPN for remote connection to our CentOS 6 file server. Server Static IP: 10.0.0.66 Remote OpenVPN IP: 10.8.0.1 However when using the OpenVPN connection I am unable to ...
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2answers
60 views

Problem to Install CentOS 6.4 (Second) after that Win7 (First) - dual boot

I want to install CentOS 6.4 in my PC, this image shows my Windows 7 partition before to install it But when I was ask to select my option (mode) of install CentOs like this: Or this (really is my ...
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5answers
86 views

How can i find out what is taking space on my system

I am trying to find out what files/folders are using most space on the filesystem df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 94G 85G 4.4G 96% / tmpfs 16G ...
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2answers
51 views

Setting up a static IP from ISP

I think my question might be an easy one but i struggle a little with setting up servers. I have a CentOS 6 setup. I have added Webmin and Virtualmin. I set this up with a static IP address and had ...
1
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1answer
2k views

Trying to get firefox running on CentOS 6 minimal iso - can't open display

I've got minimal CentOS 6 running on an Oracle VirtualBox on a Mac. I'm trying to get Firefox up and running so I can download some web files into the VM. I installed Firefox (yum --enablerepo=remi ...
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1answer
1k views

kvm virtual manager connection failed

I installed kvm package in the centos7 i am getting this problem how to solve this. full error is here Unable to connect to libvirt. no connection driver available for qemu:///system Libvirt URI ...
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1answer
349 views

“yum-config-manager --disable <repoid>” How to get repoid for centos 7?

I mistaken installed centos7 minimal. But I want to install GUI for Centos 7.From this link, I try the following commands: yum groupinstall "GNOME Desktop" "Graphical Administration Tools" But It ...
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2answers
209 views

Installing VBox Guest Additions when there is no X-server

I'm using Virtual Box on my windows 8.1 host machine. I have installed CentOS & Ubuntu in 'Graphical Mode' and had sufficient practice. But now I wanted to switch to 'Command Line Mode" ...