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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Apache bench failing with error “No route to host”

Got a new dedicated box. Installed CentOS 6.5 Installed KVM Installed a CentOS 6.5 guest rsync'd websites/database/settings etc over from existing VPS. Set up "dedi.mydomain.com" in DNS to test it ...
29
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6answers
3k views

How to create a symbolic link without using ln?

I deleted a critical symbolic link - libc.so.6. I have the file it should point at, but the basic commands such as ln or wget won't work anymore due to the link missing. However, echo or other Bash ...
8
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1answer
2k views

Is installing a GUI on my CentOS server a good idea?

I have a new dedicated server that I'm going to create a couple of VMs on. OS will be CentOS 6.5, for the host and the VMs. Does the GUI on the host (Gnome etc) give any real benefit when it comes ...
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0answers
35 views

spamassassin not loading DKIM module

I kept noticing SA 3.3.1 giving DKIM invalid even though my webmail system performs an additional check using OpenDKIM that does return valid for some. I ran sa-update -D and got this: module not ...
5
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2answers
618 views

How to pass input from one script into another using bash

I am writing a script where I am want to launch the mysql_secure_installation script and provide the appropriate answers at each prompt. I tried using echo like this: echo -e ...
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1answer
480 views

CentOS 6.5 / OpenSSL 1.0.1g still showing vulnerable to Heartbleed

After update all my other CentOS servers via yum update openssl openssl-devel successfully, there is one left that does not want to work. openssl version shows OpenSSL 1.0.1g 7 Apr 2014 installed, ...
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1answer
67 views

Heartbleed - Centos 6.5, Apache - should I recreate pair of default certificate and key [duplicate]

I am using Centos 6.5, Apache 2.2.15 with SSL. Due to heartbleed I have updated openssl to release 16.el6_5.7 and I have restarted the httpd service. I am using default Apache certificate and key: ...
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0answers
167 views

How to enable core files on CentOS 6

I am trying to enable core files on a machine running CentOS 6; however, nothing I have tried has produced core files…here is what I have done: Added the following two lines to ...
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0answers
138 views

500,403,404 Errors with Apache2 and ISPconfig 3

I currently have an issue with Apache2 on a Centos 6.4 base with ISPconfig3. Apache by default serves out the directory, /var/www with the FQDN www.example.com and example.com. However, I have a ...
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1answer
448 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: ...
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3answers
127 views

How Do I Install CentOS with Minimum Amount of Packages? [closed]

After running rpm -qa | less there was a result of 234 installed packages. From my experiences with default installations, there are usually applications installed that are not required by the system. ...
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1answer
47 views

IPtables mail is not working though i allow smtp traffic

I'm working server Centos 6.5. I allowed incoming and outgoing traffic for SMTP as below though i'm unable to sent mail from server if iptables are switch on. My IPtables files rules are as below ...
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1answer
46 views

Possible to move a whole OS (including it's content) from one server to another?

I've got a server that I host several websites on. That's basically what the server is for. I've recently acquired a new server and i'd like to move everything over. Since my old server and my new ...
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1answer
552 views

Cannot set postgres user password

Trying to install PostgreSQL with Ruby on Rails with Nginx on CentOS 6.5 using the following guide: ...
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0answers
89 views

SSH not working when called by automated script

SUMMARY: My script which includes ssh runs fine from the command line but the ssh part does not work when the script is called by an an automated daemon (apcupsd). DETAIL: I've got an ESXi server and ...
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1answer
174 views

Trouble setting up Ruby with Nginx on CentOS 6.5

Following the instructions here: https://www.digitalocean.com/community/articles/how-to-deploy-rails-apps-using-passenger-with-nginx-on-centos-6-5 I get to the point of "Use vim /etc/init.d/nginx to ...
1
vote
1answer
71 views

How to compile sources into rpmbuild BUILDROOT?

All the information I can find about building RPMs seems to pre-date CentOS 6, and as a complete package-building novice running CentOS 6.5, I'm rather stuck. All the tutorials I've read mention one ...
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1answer
209 views

Why does my command stop when I exit SSH? [closed]

I am running the following command in a loop (without notable memory leaks) as a cPanel user: nohup php ~/www/app/console.php run clean 1> /dev/null 2> ~/www/logs/run_clean.log & But when ...
2
votes
1answer
361 views

Hotplug scripts not working xen [closed]

I am using CentOS 6.5 64 using this script to install xen on server yum install http://fedora.cu.be/epel/6/x86_64/epel-release-6-8.noarch.rpm yum install centos-release-xen yum install xen ...
1
vote
2answers
791 views

PECL command produces long list of errors

Currently running PHP 5.4 on CentOS 6.5. I installed the webtatic php55w package then installed PEAR+PECL without issue along with redis and mongo through PECL. Shortly after, I realized 5.5 is not ...
0
votes
1answer
133 views

mail issues. cent os6, postfix and php mail. many domains, one with google apps

I am running a private server with centos6. I am using postfix. My "main" domain is using google apps to deliver its messages. I have several other websites hosted on this server too. The problem is ...
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2answers
313 views

OpenVPN not routing over tun0 interface

I've looked at a lot of different pages on this site and in other places but I couldn't find any solution to this problem I've spent the afternoon on. I want to setup an OpenVPN server on a VPS ...
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2answers
558 views

IpTables Configuration Not Working to block ports (Centos 6.2)

I am trying to only allow certain IPs to access port 8209. I have tried a few different methods that I read on ServerFault. This method is the most recent one I have tried. I manually edited my ...
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0answers
111 views

ntpd -gq do not working on CentOS 6.4

when I'm running 'ntpd -gq' from CentOS 5.10 (i686) the time is synced, but in CentOS 6.4 (x86_64) the command gets stuck (I need to stop it using ctl+c). Any idea hoe to fix it? EDIT: iptables ...
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1answer
250 views

LDAP Login fails, but su to ldap users works

I have a new ldap setup and I am trying to login, either directory to the machine or remotely over SSH. When I try to actually login, my authentication fails. If I login with a local user, (root), ...
1
vote
1answer
2k views

Processing Conflict: mysql55w-libs-5.5.36-3.w6.x86_64 conflicts mysql-libs < 5.5

I'm trying to install the latest webtatic MySQL 5.5 edition via yum (http://webtatic.com/packages/mysql55/) on CentOS 6.5 but every time I try I get the following output ending in error: # yum ...
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vote
2answers
157 views

CentOS6 Iptables deletes rule after 24 hour

Since I updated my CentOS server with yum update and now some of my iptable rules get deleted after a while. When I notice the server closed down my port I can simply fix this by: service iptables ...
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0answers
98 views

MAGMI fails while importing big chunks of records. Ideal Mysql configuration for Magmi

Configuration: Linux Centos 6, NGINX, Mysql We are trying to use MAGMI a common tool for mass importing of data in Mysql based on webbrowser. I run in an issue. As a try to import more than a small ...
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1answer
75 views

Linux :SSH sessions connections getting closed on pkill

I inadvertently executed the following command : pkill -9 tar -xvf I see that all my SSH sessions onto system gets disconnected and ssh deamon also stops. How is the above command affecting SSH ...
1
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1answer
65 views

Replacing SSL Cert Apache

I am replacing our SSL cert on our Apache web server. This is the first time I have done this, with my 2 colleagues being on holiday, and an urgent need to replace our SSL cert(due to the openssl ...
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2answers
62 views

Iptables save expected behaviour [closed]

I was updating my iptables in CentOS 6.4 I added port 8080 to iptables and ran iptables save. However now when I view my iptables all it is showing me is: # Generated by iptables-save v1.4.7 on Wed ...
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1answer
1k views

CentOS yum *.rpm package changelog (not installation changelog)

I just logged into my new rented server and updated openssl because of the heartbleed-bug (http://heartbleed.com). I updated using yum list openssl ... Installed Packages openssl.x86_64 ...
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votes
1answer
54 views

Samba configuaration not working

I am trying to set up a Samba share with a Windows computer from CentOS6. This is my current samba config: [global] restrict anonymous = no domain master = no preferred master = no workgroup = ...
0
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1answer
123 views

Where do I specify the Bind DN and password for sss+ldap?

I'm trying sssd for LDAP authentication, and while it can show user IDs with the id command, getent group and getent passwd do not show LDAP names, and while I can chown files to ldap users, they ls ...
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0answers
91 views

Confirm IPTables firewall settings for NFS v4 server?

This question has been asked here before but has conflicting and possibly outdated answers. It seems to depend on OS, version of OS, and version of NFS. On a CentOS 6.5 server, the default rules are ...
1
vote
1answer
126 views

DNS secondary server for external domain and DNS lookup fails

Dedicated server CentOS 6, Parallels Plesk Panel 11.0.9 (64 bit) ISP: 1&1 Problem 1 (Solved): Google and other mail providers were classifying as spam, messages sent from mydomain.com using PHP ...
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2answers
449 views

Check RAID rebuild status of R710?

How can I check the rebuild status of a RAID volume without booting into the PERC utility in CentOS via the command-line?
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0answers
401 views

Upgrading PHP 5.3.3 to 5.4 on CentOS 6.4 (Transaction Check Error)

I am trying to upgrade PHP 5.3.3 to PHP 5.4 I have used this command: yum --enablerepo=remi,remi-php55 update --skip-broken -y However I got this error: Transaction Check Error: file ...
0
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1answer
178 views

postfix not sending mail from localhost

I am having a problem sending mail from the server. The issue was spotted because as php mail() is failing to deliver any messages. I have checked the mail log on the server and found the following; ...
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0answers
80 views

ftp freezing on upload when sending a large amount of files

I recently switched over to a new server and am coming up against an issue with uploading large amount of files. Our sites has over 15k files and the software i am using required me to upload though ...
1
vote
1answer
31 views

Share a single uploads folder between 2 users through a Symlink or similar

One of the VPS's we're running contains 2 accounts that both share a database and SHOULD share an uploads folder. Both accounts are directadmin generated web accounts on a Centos 6 server. The second ...
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0answers
175 views

pysqlite for python 3.3.5 on Centos 6.5

I have compiled python 3.3.5 from source in the /opt folder as follows: yum install sqlite-devel ./configure --prefix=/opt/python3 make make install ln -s /opt/python3/bin/python3 /usr/bin/python3 ...
0
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0answers
39 views

Windows Server 2012 Server for NFS mounted by webserver -> create empty files

For the beginning, it wasn't my idea to use a Windows Server as a NFS-Server for our CentOS-Webserver. ;-) At the moment we have webservers, who has mounted a nfs-share from a Windows Server 2012. ...
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1answer
1k views

Uninstall nagios that has been manually installed through source

I installed nagios through this guide which works fine, but now i'd like to uninstall it altogether. Could you guide me what i need to delete as i cannot see an uninstallation routine.
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1answer
210 views

Abnormal CPU usage during Disk Write Operations

I have a decent CentOS 6.5 dedicated host (CentOS 6.5/E3-1230 3.2Ghz Quad Core + HT/16GB/Software Raid 1 SATA II/WD2503ABYX/ext4) with the default CentOS kernel and "elevator=deadline" in grub. I/O ...
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3answers
372 views

phpmyadmin can't login on nginx Centos 6 Server

I've installed phpmyadmin on my ded server with Nginx and MariaDB under Centos 6.i can login into mariaDB cli with root user falwlessly but i can't login through phpmyadmin. it shows me first login ...
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1answer
828 views

installing php-mysql on centos 6

I've installed MariaDB for my database and Nginx on my computer that running Centos 6 . when i want to install php-mysql driver i get this problem : # yum install php-mysql Loaded plugins: ...
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1answer
123 views

Chillispot and DHCP setup on single server [closed]

Background I have a simple network topology consisting of 3 pieces of hardware, a CentOS server, an access point and a 4g modem. The server has 2 LAN ports and the 4g modem and the access point are ...
0
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1answer
179 views

bash script to check zabbix java gateway

I wrote simple script to check status of a service and when service is down search live processes for the service and kill them, then remove pid file and restart service. The problem is that the ...
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1answer
267 views

Centos 6.5, Active directory and ldapsearch

I need to query the ldap part of an Active Directory DC from CentOS 6.5. ldapsearch allows me to do that, but I have found two bumps in the "ldapsearch" road: ldapsearch wraps long text to several ...