CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat.

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CENTOS Apache: non-www alias not resolving when CGI executes

I'm setting up my first ever dedicated server, and copying over site files (mostly HTML code from a discussion board product) from another site to this new one. My issue is when I click on some links ...
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22 views

nginx - Load Balancer - Considerable lag when upstream node is offline/down

Running nginx 1.0.15 on CentOS 6.5. I have three upstream servers and everything works fine, however when I simulate an outage, and take one of the upstream servers down, I notice considerable lag in ...
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1answer
20 views

Deal with brute force ftp attack [duplicate]

While Checking the /var/log/secure on my centos server have found lot of attempts of failed login by using unknown usernames, from a list of ip from Japan And China How to hide my server from these ...
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22 views

Access logs of sftp on centos

Is it possible to log the sftp logged in informations (Who accessed, when and from where ) Like which sftp user have logged on to the file server , This may also contain information such as ip ...
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1answer
10 views

503 errors on Apache+Mod_wsgi+Django

I'm new to Python and trying to setup Django on my VPS that is running CentoOS 6.5. My Apache version is 2.2.15. Python is running on version 2.7. I created a virtualenv under ...
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1answer
47 views

From last night I don't see any graphics on my websites

Beware when dealing with this question. Some of the sites mentioned appear to be pornographic in nature. All of my websites are crashed. There is no graphic but only text and links on white ...
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1answer
23 views

Upgrade PHP-mysql Lib Centos 6

I just delete all php and mysql and installed it again. but in PHPMyadmin i still get: Your PHP MySQL library version 5.1.69 differs from your MySQL server version 5.5.39. This may cause ...
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11 views

Freeswitch, No such file or directory on CentOS

I am currently trying to install ITC fax on a fresh digital ocean droplet (CentOS 6.4 x32). While the installation works fine I am stuck on the part that requires the installation of Freeswitch. ...
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7 views

process /var/www/cgi-bin/cgi_wrapper/cgi_wrapper(53573) exit(lifetime expired), get unexpected signal 6

after a plesk update i see the following errors in my logfiles and cant find out what the issue is.. can someone help me? i use OS: CentOS 6.5 (Final) and Plesk version: 12.0.18 Update #14 , [Wed ...
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1answer
26 views

How to forward a port to multiple internal ips

I have a Centos 6 64 bit server with OpenVPN installed. I'm using this iptables rule to forward a port for an OpenVPN user: iptables -t nat -A PREROUTING -p tcp -m tcp --dport PORT -j DNAT ...
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1answer
52 views

mv deleted my directory. Why?

I was trying to correct the spelling on a directory, issued a mv command, and the directory is now gone. I'd like to understand--specifically--what happened. Here's the command I ran: mv ...
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2answers
21 views

Centos Your PHP MySQL library version 1.5.73 differs from your MySQL server version 5.5.39

I have recently updated my PHP version to 5.4 and my mysql version to 5.5 [root@**** ~]# php -v PHP 5.4.31 (cli) (built: Jul 25 2014 07:41:53) Copyright (c) 1997-2014 The PHP Group Zend Engine ...
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2answers
50 views

Evaluating uncorrectable ECC errors and fallback methods

I run a server which has just experienced an error I've not encountered before. It emitted a few beeps, rebooted, and got stuck at the startup screen (the part where the bios shows its logo and begins ...
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2answers
25 views

Apache: Can I disallow access to a dir except when via a vhost?

If we assume I have a server called machinename.ip which resolves http://machinename.ip to default root (/var/www/html), and resolves http://www.example.com via vhosts file www.example.com to ...
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1answer
15 views

Centos mysql version is 5.5 however PHPmyadmin still says version 5.1

When i run the following in my console: [root@****~]# mysql -u root -p -e 'SELECT VERSION();' Enter password: +-----------+ | VERSION() | +-----------+ | 5.5.39 | +-----------+ Which should be ...
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1answer
14 views

mysql “no packages marked for update” in Centos

From the following guide i have been trying to update mysql on my Centos server: http://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/updating-yum-repo.html My current mysql version is: ...
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1answer
25 views

How to monitor and get notify which VPS within one node is sending mass emails?

How to monitor and get notify which VPS within one node is sending mass emails (spam) ? Actually I have several nodes with CentoS OS and KVM VPS clients, some of them are sending bulk emails and ...
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20 views

“Unstable” NFS mount point

I've posted that on StackOverflow and I've been advised to move it here. Sorry for that. First of all, this is the first time I'm posting a question on ServerFault, so please don't kill me if I've ...
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1answer
31 views

CentOS 5 : error in installing php-imap

can someone please help me with this CentOS 5 question? I am trying to install php-imap, i tried yum install php-imap but I am getting the following output: Loaded plugins: fastestmirror, ...
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0answers
11 views

FTP User Action History

Is there anyway to get logs of the actions that an ftp user has done on my linux (centos) server? Specifically, I am looking for file changes, uploads and downloads?
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1answer
23 views

Can not connect mongoDB remotely on centos

Previously I've installed mongodb 2.6 on Debian. After installation I could connect to MongoDB remotely but when I've tried that on Centos, I just able to connect mongodb locally using this commend: ...
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1answer
21 views

Handling expected supervisord exit codes

I am using supervisord inside a Docker container to manage my running processes and would like to also use it to trigger certain commands - run them once and expect them to exit with 0. Here's one ...
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1answer
50 views

Centos 5.5 [Read-only file system] issue after rebooting [on hold]

I have a virtual server under centos 5.5 (hosted by a japanese company called sakura ) Since yesterday, connection through ssh couldn't be established. I've contacted support center who told me to ...
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1answer
69 views

All commands stopped working in centos 6.5

I have made a big mistake while removing some duplicate packages as it appears to be broken. yum 1036 rpm -e --nodeps glibc-2.12-1.132.el6_5.2.x86_64 1037 rpm -e --nodeps ...
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1answer
18 views

Configuring Redhat / CentOS 5 SSH to authenticate to IPA server with public keys

I'm trying to configure some Red Hat/CentOS servers to use an ipa-server on CentOS 6 for SSH authentication with public keys. I'm storing the public keys on the IPA server, which works great on ...
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19 views

Two identical VPS hosts with different ways of handling file names

I have CentOS 6.5 32 bit, 512 RAM, running Nginx, PHP-FPM, Mysql on two hosts. One for local dev, running inside a VirtualBox 4.3.12 and the other running online with digital ocean. Both of these ...
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3answers
96 views

CentOS 6.5 new Kernel not active after reboot

Today I was running some yum updates and wanted to verify that everything went through fine by making sure I had a new kernel. To my surprise I noticed that CentOS was still running ...
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19 views

Enable Soap for PHP 5.5.x on CentOS 6.5

Unfortunately I have to support soap on my server for the Fedex webservice. I recompiled PHP enabling support and it works via CLI but not PHP-fpm. They both point to the same ini file and both show ...
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1answer
18 views

Restore Zimbra Mail Server from Server that crashed

I had a Zimbra installation which crashed due to Hard drive failure. The Zimbra was version 5. My backup was not good and so I did a fresh install and now I have managed to get the /opt/zimbra folder ...
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1answer
22 views

unable to configure vsftpd using ssl

i am trying to setup vsftpd over ssl . followings are configuration under vsftpd.conf anonymous_enable=NO local_enable=YES write_enable=YES local_umask=022 #anon_upload_enable=YES ...
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1answer
25 views

HA - Heartbeat / Pacemaker - CentOS - Manual Symlinks

I have a MySQL Master <> Master pair setup for HA. I would like to setup automatic failover not just if the node hosting the current write mysql instance goes down, but also if the mysql instance ...
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2answers
27 views

FTP and SFTP logs track in CentOS

How it is possible to track the changes made to a directory using tools like FileZilla or XFTP ? because we found some files suddenly got missed from server, in history also nothing was found so ...
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1answer
41 views

How to create a snapshot volume to a remote server using kvm?

I want to backup a few virtual machines to a backup server. Here're the backup steps. suspend a virtual machine create a snapshot of the virtual machine using lvcreate -s resume a virtual machine dd ...
0
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1answer
19 views

Application outside document root in Apache/CentOS

I have a PHP application running in Apache on CentOS 6. The document root is pointed to a specific app folder: /var/www/my-project/app I'm trying to get phpMyAdmin running on the same server but I ...
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26 views

cloud-init does not grow the partition nor the filesystem

I am currenty preparing OpenStack-ready images of CentOS 7 and Ubuntu 14.04. For the "automation" I use packer, which is provided by you with a json-template. Packer then starts the installation ...
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27 views

Choose a VPN software on CentOs 6.5 [closed]

We are installing a SMS gateway with Kannel, on a CentOs 6.5 server, which is supposed to connect via SMPP to our local operators. Kannel is working fine and no probleme there. Now 2 operators are ...
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1answer
33 views

Unable to connect remotely to Vsftpd server set up on CentOS VirtualBox

I have set up a Vsftp server using the following instructions provided Here and even went as far as following the commentary at the bottom. But I am unable to connect remotely. When I attempt to use ...
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2answers
47 views

CentOS 6 - Kernel 3 from CentOS 7 Repo?

i want to run kernel 3 on centos 6. I found out, that it cant get installed over yum and i would need to compile it by my own. My question: Could i use the centos 7 repo to install kernel 3.x from ...
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2answers
23 views

How to install mcrypt in dual PHP version CentOS 6?

I have two parallel versions of PHP installed on CentOS 6.5 via this method [root@host ~]# php -i | grep "PHP Version" PHP Version => 5.3.3 [root@host ~]# /opt/rh/php54/root/usr/bin/php -i | grep ...
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17 views

users AD can not login on linux (graphical level 5) but can loggin in level 3? [closed]

i integrated authentication AD with ipa in centos6.5 users create in ipa can loggin through graphical on centos 6.5 but users create AD can not loggin in graphical mode but can loggin in level 3 also ...
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1answer
26 views

yum update rpm packages installed manually

I needed to install the libxml 2.7 package and for this i uninstalled yum (yum have dependencies on libxml), is there any way I can make the pass to work with yum rpm packages installed previously? I ...
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1answer
67 views

Memory Ram too high in HTTPD processes

I management two dedicated servers. I use Centos 6 with Plesk Panel. Update: I use Apache with mod_php. On the first server I have a site in Wordpress. I have noticed that my httpd processes take ...
0
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1answer
48 views

Install mcrypt for php54 on centos 6.5

I'm completely new to VPS and am trying to install php54 on a centos6.5 server. I've updgraded the php version to 5.4 which appears to work. Currently using php5.4.31 However I now need to install ...
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1answer
29 views

Crontab not working to send email [closed]

I have CentOs 6.5 running on a VPS Host. I installed crontab and email using the below commands yum install vixie-cron service start crond chkconfig crond --levels 235 on yum install sendmail ...
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145 views

Linux kernel 3.10.0-123.4.2 processes [flush] aren't present [migrated]

I am using CentOS 7 with "3.10.0-123.4.2.el7.x86_64" version, but I don't know why the kernel threads named flush aren't present in this kernel version. I tried to look in the kernel change log, but ...
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1answer
27 views

Update power dns from EPEL repo

I'm using EPEL repo on Centos 6. If I start update for power dns with mysql backend - so please - must I update mysql schema manually, or YUM will do this self? Thank youů
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1answer
19 views

disabling webtatic repo spitting back errors on centos

I installed the "webtatic" repo for PHP and it's caused nothing but trouble. When I try to run yum --disablerepo=webtatic distro-sync it returns this: Transaction Check Error: file ...
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1answer
52 views

defer (111): Connection refused when trying to send mail

I am getting desperate for answers. The problem is simple, some email messages are getting stuck in our queue and hitting their retry limits, which ultimately end up in a never end deliverable bounce ...
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2answers
38 views

yum install php-devel amongst other commands returning problems

I run yum install php-devel and it returns this. Typically I'd just run it with --skip-broken, but when I do, it still doesn't do the trick. Available: php-common-5.3.3-22.el6.x86_64 ...
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2answers
52 views

Centos Server Recently slowed down significantly

I have Dedicated Server on 1and1 with RAM - 16 GB HD 1000GB CPU: Intel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz, 4 cores Centos 6 Apache/2.2.15 PHP 5.3.3 Mysql I have a video sharing website (on ...