CentOS is a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL). The "CentOS6" tag refers to versions 6.x of CentOS.

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IPSec tunnel between Cisco and openswan

We need to setup a site to site vpn connection and Our provider use Cisco system and we are planing to use openswan on centos (hosted on digitalocean). Our provider asking us following information. ...
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1answer
534 views

DNS setup with BIND [on hold]

I've recently made a server (it's a VPS hosted on a2hosting) by following these instructions: http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3 All is working well, except for ...
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3answers
12k views

EPEL Repo for CentOS 6 causing error

I've got a VM running CentOS 6 (64bit) and I'm attempting to add the EPEL repo like usual to install various packages as I do quite regularly. Today, I'm experiencing some strange errors yet I'm ...
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1answer
907 views

How to disconnect pptp client?

How to disconnect pptp client connected to Cent OS 6.2 server from the server side ? ifdown ppp0 doesn't work.
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13 views

CentOS 6.6 LDAP configuration failed

I'm trying to config OpenLDAP on CentOS 6.6 with this db.ldif config: dn: olcDatabase={0}config,cn=config changetype: modify replace: olcRootPW olcRootPW: {SSHA}UCCQrNoadIFC2lN0Y6YxzCfu9hT/jZni - ...
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1answer
38 views

Supermicro super server RAID warning

Hey guys sorry in advance for the noobish question. Our company just received a brand new 6017R-WRF Supermicro superserver. I have been tasked with getting this bad boy setup. I am a software dev ...
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2answers
5k views

CentOS - You must give (non-root) uid and gid

I'm trying to add users to ftp using pure-ftp I used the following command: pure-pw useradd test-user -u ftpgroup -d /path/to/my/dir And I get the following error: You must give (non-root) uid and ...
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1answer
18 views

SFTP - Create a hierarchy of users to control access

I would like to create two levels of users to restrict SFTP access: "parent" users, and "child" users. I need the parent users to be able to access all the directories owned by the children, but the ...
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3answers
6k views

Update from PHP 5.3 to 5.4 on CentOS 6.3 while keeping Plesk [closed]

I need to update the servers PHP version, but when I try to remove the old php to install the new PHP 5.4 via yum it wants to remove the whole plesk suite which I want to keep. I followed this guide ...
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1answer
105 views

How to create an error_log in each's vhosts httpdocs directory

Running a CentOS 6.4 server with Plesk 11 and virtual hosts for each client/domain. What I'm now trying to accomplish is to auto-create an error_log in each user's httpdocs folder in case of problems ...
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0answers
19 views

Installed codec not working ffmpeg [closed]

I have ffmpeg installed on my server, I can trancode mp4 and it works great. However, I have installed the Theora codec as it explains here, ...
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1answer
35 views

Special characters in mysql password using mysqldump

I have the following ssh script: #Here I am getting the mysql password for the root user password=$(cat /root/.my.cnf | grep "password" | awk -F\" '{print $2}') #here I am trying to dump the ...
2
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1answer
889 views

Putty: Incoming Packet was garbled on decryption

I am unable to connect to my server on my local network (VM). I have multiple servers I am able to connect to. When I try to putty into the server, I get the message Incoming Packet was garbled on ...
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0answers
13 views

CentOS-6-x86_64-GenericCloud Credentials

I have downloaded a CentOS-6-x86_64-GenericCloud-20141129_01.qcow2 image from http://cloud.centos.org/centos/6/images/ While using the above image in the openstack, I need the SSH credentials to ...
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1answer
1k views

OpenVZ Can't initialize containers after install

I have installed OpenVZ on centos 6 on a dedicated server. I followed quick installation guide on openvz wiki. After installing thru yum, I don't know why, but grub.conf wasn't automatically updated ...
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2answers
1k views

SVN Checkout error on large repositories

I wonder if anyone can help me. We have recently migrated our Subversion repository from a VisualSVN Server on Windows to a subversion server on CentOS. The migration was succesfull however we are ...
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0answers
78 views

CentOS 6.5 filename wrong encoding via apache or FTP [closed]

I have a CentOS 6.5 server (in a VPS), all was configured with Plesk 12.0.18. Also I have the option (in Plesk) to serve static files via nginx. I updated to PHP 5.4 via this method: ...
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3answers
919 views

CentOS https Error Upon Start

I am getting an error in CentOS when trying to start/restart apache(httpd): [root@database ~]# /etc/init.d/httpd restart Stopping httpd: [FAILED] Starting ...
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0answers
59 views

How to emulate union mount behaviour with LVM in CentOS?

In short, I want to create a system restore image. My idea with AUFS is like the image below Now, as I require this mount setup at boot-time, I don't think I can do it with fuse and will require AUFS ...
0
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1answer
92 views

CentOS 6 phpMyAdmin access denied [closed]

I am having issues setting up my VPS with phpMyAdmin. My error message: Forbidden You don't have permission to access /phpMyAdmin/ on this server. My phpMyAdmin config: # phpMyAdmin - Web ...
3
votes
1answer
47 views

NGINX orphans a semaphore on restart (4294967295)

Every time NGINX is restarted, two semaphore arrays are left behind. Given semaphores are a limited, shared resource--the server is constantly careening, albeit slowly, towards a quota limit failure. ...
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29 views

how to have one role deploy different files per hosts in ansible [duplicate]

I have a role in ansible but and want to use the copy module in ansible to copy the specific files for specific hosts. Not exactly but pretty same scenario .../roles/serverfiles/tasks/main.yml # ...
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0answers
43 views

CentOS 6: Apache 2.4 drop-in replacement for Apache 2.2 via yum?

I've a CentOS 6.6 installation with the stock Apache 2.2 package. I need to upgrade it to Apache 2.4, but I want a true drop-in replacement for the installed package, not something that goes into /opt ...
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3answers
2k views

Varnish won't start as service but works fine from command line?

We're trying to setup a varnish on a Cent OS 6.5 64 but can't get it working as a service. What could be the reason for the following error? [root@server]# service varnish start Starting Varnish ...
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1answer
31 views

Hudson GUI cannot run a job with same command that runs fine from the shell

I get this error while trying to run a job in hudson here is the log Started by user anonymous [workspace] $ /bin/bash -x /tmp/hudson3189813701500418318.sh + date Thu Feb 19 17:02:03 EST 2015 + fab ...
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1answer
41 views

What is fastest way to copy a sparse file? What method results in the smallest file?

BACKGROUND: I'm copying a sparse qcow2 VM image that is 200GB in size, but has 16GB of allocated blocks. I've tried various methods to copy this sparse file within the same server and have some ...
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0answers
13 views

subdomain don't resolve on VPS + PLESK [closed]

I have registered a domain on a different company than my server Host the DNSs are by default DNSs and I have set the IP on the domain registrar panel to point the VPS server. Now the main domain ...
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2answers
40 views

Nginx - 2 https servers on same public ip [duplicate]

I currently have several regular http servers and 1 https server. I would like to add another https server with the same public ip. I have something similar to server { listen 443 ssl; ...
0
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1answer
19 views

Mail delivery hindered by alias?

Account info exists for receiving email. However, all mail sent to info is delivered to root. It looks to me this is because the following aliases exist (as shown by praliases): info: postmaster ...
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1answer
215 views

VPS CentOS 6.3 x64 recovery mode changes are not saved after reboot

i am running a CentOS 6.3 x64 OS on a VPS server, the server was having issues logging in to SSH using root credentials, it showed a message similar to "No Shell Exists, Access Denied" root login via ...
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2answers
41 views

How do I make KVM images with LVM partitioning be thinly provisioned with a max growth size?

BACKGROUND: Up to now, I have been provisioning VMs as follows: Create template/gold VM: Create new CentOS 6.6 VM with raw 200GB disk (1 .xml file, 1 .img file) LVM partitioning with: /boot, swap, ...
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1answer
10 views

Change default user configuration file location [closed]

If possible, how can I change the default location the system looks to for files such as: .bashrc .bash_history .bash_profile .cshrc .hushlogin .tcshrc I run Plesk and the default user home ...
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1answer
51 views

How do i print the current hostname of a host in ansible

I wrote a role to edit the motd when user log into the machine, but i want to personalize the motd to print the hostname of the machine What vriable do i use? or how do i do this? template? how? I ...
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1answer
140 views

Redis installation on centos 6.5

I am trying to install Redis on centos 6.5 (x64) with following line: yum install redis But I am getting following screen: [root@NodeJs ~]# yum install redis Loaded plugins: fastestmirror Setting ...
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1answer
47 views

Apache automatically stops each sunday. Why?

Every sunday at 3 Apache restarts. Problem is: there is a ceritificate on the server with an encrypted private key. Being the password not provided during automatic restart, apache stops and all my ...
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1answer
59 views

CentOS startup script command not found

Trying to start bitcoind on CentOS 6, but just getting command not found errors. #!/bin/bash # # bitcoind The bitcoin core server. # # # chkconfig: 345 80 20 # description: bitcoind # processname: ...
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1answer
863 views

lighttpd virtual hosting configuration

I need help setting up virtual hosting in lighttpd. i have the lighttpd default webpage in /var/www/lighttpd dir and i have created other dirs for my other websites /var/www/web1.com/public_html and ...
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2answers
684 views

Is there a way to exclude specific hosts from a Nagios hostgroup?

I have a Nagios server which includes many hostgroups. One of these hostgroups include a server which I'd like to exclude from being checked for one specific Nagios Check but I want it to keep being a ...
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0answers
96 views

High network softirq requests for kernel 3.10 under a lot of traffic

We have been experimenting rolling out 3.10 series kernel that's provided by centos via the centosplus repo for v6. We have been noticing something interesting where under the same load the load for ...
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0answers
33 views

pam_mount not working when logging in from ssh or console

okay so i configured pam_mount on my centos 6 machine as i did on my centos 7 and 5 machines. But when i login locally or via ssh, pam_mount can't mount my home dir. when i login with a local user, ...
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1answer
60 views

LDAP users can't ssh

When I ssh to my CentOS 6 server with root account, everything is working fine. But when I try with an LDAP user, I get permission denied. I tried logging in with root, and then su to a LDAP user, to ...
0
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1answer
35 views

Postfix/OpenDKIM not signing PHP sent emails

We installed SPF, DKIM, and DMARC records for email security/verifiability. When sending through the console or a mail client like Outlook or Mac's Mail it processes fully and has all three pass. ...
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0answers
15 views

netstat output without PID

I just stumbled across this issue with the netstat output on my server, There are a couple of ports which are listening, but do not have a PID attached to it. I want to make sure they are not ...
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0answers
57 views

Installing MySQL in Cent OS 6.6 Final

I removed/ uninstalled MySQL version 5.5.40 from my VPS and want to install the latest version of MySQL but when I run the following command: sudo yum install mysql-server mysql I get the following ...
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1answer
1k views

Compiling PHP on CentOS Needs MySQL PDO Configured

I am trying to compile PHP with mysql_pdo on CentOS 6 and I am having just one heck of a time trying to make it happen. Currently I am trying to compile PHP 5.2, but I am going to have to do this for ...
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1answer
74 views

assign Second IP in ESXi 5.5 host Centos 6.6

Hello i have just installed CenOSs 6.6 on ESXi 5.5 and I have eth0 working fine. I have internet access and I want to assign a second IP in CentOS. So purchased another ip from oneprovider.com and ...
0
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1answer
78 views

Error while installing php-imap on CentOS 6.6

I'm trying to install php-imap on CentOS 6.6 yum install php-imap But I'm getting this error: Error: Package: php-common-5.3.29-4.w5.x86_64 (webtatic) Requires: libcurl.so.3()(64bit) ...
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1answer
1k views

Installing distcache on CentOS 6.3

I'm trying to re-build our server based on CentOS 6.3 and i can't seem to find the distcache rpm. I have it on my 5.8 CentOS: [root@server]# yum list distcache Loaded plugins: fastestmirror, ...
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0answers
17 views

Rollout approach for centOS/RHEL linux servers to achieve centralised authentication through AD

We have 3 environments testing develop and production each having more than 40 Linux servers. Need to establish centralized authentication through AD for all these environment. Which is the best ...
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1answer
885 views

Yum repo priorities and conflicts

On my CentOS 6.4 server, I am running MySQL 5.5.33 that I installed from the remi repository. I decided to upgrade MySQL to 5.6.x via MySQL's own yum repositories: ...