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 7 Automated SSL Generation from Active Directory

I have an Active Directory Server setup for Certificate Services. I am able to manually generate certs as needed. However, I need to find a way to automate the sending of the cert request to AD and ...
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0answers
16 views

How to Create and Restore a Snapshot of CentOS from one to another Server

I own a server at SoYouStart (OVH), I have installed CentOS 7. PHP, Apache, PostgreSQL, Varnish, etc ... I want to clone the same server with the same configurations and software to my new server on ...
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1answer
21 views

EC2 volumes & partitioning

With Amazon EC2 CentOS 7 HVM community image machine just thinking for volumes & partitioning. Would it not be good that I create default 8GB volume sda for root device for all operating system ...
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7 views

MS Data protection manager restore files from linux vhdx

We are backing up our few linux VM servers (Centos 6.6 with VSS , Online backup) in Hyper-V 2012 R2 with Microsoft Data Protection Manager 2012 R2. Its backing with Online method. In Windows VMs ...
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37 views

Banned from SSH Centos server but can't find where [SOLVED]

For some reason my ip address is banned from using ssh or sftp. I have no problem connecting to the server using an other ip nor i have problems reaching all other services (like http, teamspeak) with ...
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1answer
29 views

Cannot find error in iptables firewall configuration

I'm struggling with a firewall problem on my Centos server. I have the following configuration which when I use it with a service iptables restart and I try to ssh to the server with putty, I cannot ...
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1answer
18 views

Minimum System Requirements for MariaDB [duplicate]

I recently set up a CentOS 7 server on digitalocean, I went with the $20 a month plan because i found these minimum specs for MYSQL. When i did a LAMP install it had me install MariaDB instead. I'm ...
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10 views

How to set cups quotas per users on centos from active directory domain?

How can I import cups users from active directory domain which is installed on windows server 2008 R2 and set quotas per users on cups printing server which is installed on centos 6.6 ?
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3answers
58 views

How to install packages offline?

Our server runs offline and we need to install lot of yum packages, like oracle-jdk, elasticsearch, nginx, etc. Is there any way to download the rpm dependencies so we can install them offline in ...
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10 views

Scalix - Finding out when a mailbox received its last email

I have an old email-server that I want to shutdown. To do that I want to know when each mailbox on that email-server has received its last email. Sadly i don't know much about Scalix, just a few ...
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0answers
18 views

`aptitude` like conflict resolution on RHEL like systems? [on hold]

Is there any package manager for CentOS and such that, like aptitude, lets you navigate alternatives of add-proposals and remove-proposals? The machine is not mine so in principle a GUI program ...
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0answers
13 views

Using /etc/fstab to add a mount as a user (VirtualBox, centos) [migrated]

I'm mounting my mac folder as a share in virtualBox CentOS6 machine with the following command: mount -t vboxsf git /mnt/git/ -o uid=500,gid=500 It works perfectly but I can't figure out how to ...
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22 views

Building a stack of SRPMs in build-dependency order

If I have a stack of SRPMs that I'd like to build, leading to a final product binary RPM. Many of the SRPMs require the built RPMs of other SRPMs to build. These requirements are expressed in the ...
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1answer
22 views

Security risk in using one user for all shared hosting clients?

I have currently setup my CentOS 6.6 VPS for clients who host websites on my server. They have FTP access using a virtual user (with vsftpd as the real user) that is chrooted to their www folder. ...
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1answer
58 views

SSL broken encryption in Firefox

I have an SSL wildcard certificate installed on a number of servers, in Firefox the padlock is broken citing a issue with encryption. Broken Encryption (TLS_RSA_WITH_RC4_128_SHA, 128 bit keys, TLS ...
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1answer
32 views

Unable to use builtin CA bundle to verify GoDaddy SHA2 SSL certificate

I ran into an interesting problem. We have a PHP script that contacts a LTL shipper (https://facts.dohrn.com/). That script has been failing because it can't validate the SSL certificate. I went to ...
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1answer
26 views

Change the logs directory for CentOS

The default directory in which the OS writes its logs is '/var/log/', I want to change that directory to another one that I create. How can I do that? Note: I tried changing the paths (/var/log/.) ...
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1answer
26 views

Understanding CPU% on Apache Extended Server Status

I just migrated an existing fairly high traffic website to a Digital Ocean droplet and I viewed the Apache extended server status page. It shows the information below. One thing I noticed is that ...
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1answer
24 views

Apache Module blocking access to FTP [on hold]

EDIT: previous server admin changed all sites to use Apache Module. Now the sites only run on apache:apache Problem is, now the client can't access their files in Filezilla, since originally the user ...
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1answer
31 views

Does this partition setup look OK for Centos 6.x and Plesk panel?

I have a new server with 2x3TB HDD, I want to setup software raid 1; When I use host's automatic install it makes my largest partition 2TB and the other 1TB a separate partition (not nice). So I am ...
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0answers
21 views

*** glibc detected *** /usr/sbin/httpd: free(): invalid pointer: 0x068977f0 ***

Completely fresh install of CentOS and I've installed PHP, MySQL and Apache with all modules, when I first tried to run the service the following message is in the error_log followed by a memory map. ...
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1answer
57 views

CentOS 6.6, Limits of user-specific environment

So I'll add context, but my BLUF is this: In an organization that actively prefers "old, known, stable" (CentOS 6.6, highly curated Repo, etc...) to "modern, efficient, effective", but allows me ...
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1answer
33 views

How to install phpmyadmin in centOS

I use a vps and it has centOS 6.5 . I installed Nginx and php and mySql clearly. But when I tried to install phpMyAdmin by these steps , in Step Three when I enter this code: sudo yum install ...
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3answers
261 views

How can I create one large partiton over two drives in CentOS?

I've got a new dedicated server that I want to use purely for backup purposes. [root@dedi ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 20G 942M 18G 6% / tmpfs ...
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1answer
26 views

ERROR The requested URL could not be retrieved - when accessing URL by using PROXY

I'm getting this error message: ERROR The requested URL could not be retrieved The following error was encountered while trying to retrieve the URL: http://xxx Read Timeout The system ...
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0answers
19 views

Cron Jobs on CentOS with CentOS WebPanel [closed]

I am looking to setup some cron jobs for a PHP app running on the server. I would like to know if it is possible to setup the cron jobs directly on the CWP.admin or, if not, what are my other ...
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0answers
12 views

working webserver failing after install ispconfig [on hold]

I had a working webserver on 200.124.128.148 with webmail (squirrelmail) and phpmyadmin, and a wordpress installaion. Now i tried installing ISPConfig and the mainpage goes to apache testsite, and so ...
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0answers
30 views

Centos Server fault [closed]

My Server continually at intervals of a few days is problems. But after reboot every OK. log: May 17 14:21:39 MyServer kernel: [67644.239105] trivial-rewrite invoked oom-killer: ...
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1answer
31 views

Unable to get Virtualhost config working with Apache 2.4.6

I had a HTTPS site running successfully under Apache 2.4.6 on CentOS7. I was then asked to host another site on the server, which at the moment is just HTTP but will eventually also move to HTTPS. I ...
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0answers
32 views

The service 'named' on server server.example.com is currently down [closed]

After updating my server with the yum update command the service named won't start. Content of /var/log/messages: May 16 20:16:01 server named: zone server.example.com/IN: loading from master file ...
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1answer
21 views

CentOS Multi Nic and Policy Routing?

I'm not familiar with CentOS and I need help doing the routing for this. I have a CentOS box with 3 NICs. eth0 Link encap:Ethernet inet addr:10.50.121.16 Bcast:10.50.121.255 ...
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1answer
37 views

mysql error when running script to dump all databases

I am having mysql server in centos which is running fine, i recently got a script to dump all individual databases to one folder, when i run that script to dump, i'm getting this error when ever i run ...
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1answer
27 views

centos 6 64bit crond not running on startup?

I have two VPS from ramnode, centos 6 64bit. I have reinstalled server 2 several times and also tried 32 bit centos 6. Same problem. Whenever I type reboot and then service crond status it says ...
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0answers
16 views

In ldap slapd service is not starting [closed]

In LDAP When im staring slapd service file it not starting. Showing failed. Below im getting error like this in log file. read_config: no serverID / URL match found. Check slapd -h arguments slapd ...
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0answers
24 views

connections_destroy: nothing to destroy in openldap [closed]

$OpenLDAP: slapd 2.4.39 (Oct 15 2014 09:51:43) $#012#011mockbuild@c6b8.bsys.dev.centos.org:/builddir/build/BUILD/openldap-2.4.39/openldap-2.4.39/build-servers/servers/slapd May 15 08:15:43 hubweb1 ...
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2answers
35 views

ssh not using /etc/hosts to resolve hostnames

This is how my /etc/hosts file looks in /etc/hosts: If I try to connect to one of these machines with ssh: ssh -p 22 ramy@Ramy-MacBook I get an error: ssh: Could not resolve hostname ...
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1answer
34 views

Kickstart fails to set up multiple bonded interfaces

I’m having some trouble setting up bonded interfaces in a CentOS 6.5 kickstart script. I have 8 physical network interfaces, which want to be configured in pairs as 4 bonded network interfaces. My ...
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1answer
29 views

Got blocked by server after starting TCP nodejs sever. Why?

I recently installed node on my VPS, and tried to complete a tutorial. I saved this code into server.js and hit node server.js in putty. I got instant "ban" from my VPS, I can't access it, however on ...
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0answers
30 views

Block All Connections Not From CloudFlare [duplicate]

I have a simple request. I would like to only allow traffic to my server from cloudflare. My website is being pounded by attacks, and there is no legit reason someone should be making a connection to ...
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2answers
63 views

Centos 6 - Postfix wont send to own domain without flag

I am moving a site to another server and am having an issue with PHP mail. But only when sending mail to the host domain e.g anything@example.com. mail($send_to, 'Web contact' ,$message,null,"-r ...
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0answers
13 views

Make Fail2ban parse latest logs generated monthly.

I have a log file generated monthly (e.g messageApril2015.log,messageMay2015.log). Can anyone tell me how to make fail2ban parse the latest log? I have read somewhere about adding %F%Y but it didn't ...
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0answers
22 views

File Sharing disabled on Plesk 12.0.18 [closed]

I'm running Plesk version 12.0.18. Recently one of our clients was unable to FTP in to their site. The File Sharing tab in Plesk for the site in question has the following error message: Internal ...
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0answers
23 views

Caching cookies with Varnish 4

I want to be able to cache pages that have a cookie. Let's say I have a cookie called "testcookie". If testcookie = 1 I want a page (cached), if testcookie = 2 it will have a different page ( i want ...
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0answers
16 views

How to remove apache check dns error?

I have configured apache virtual host in http.conf like below <VirtualHost xx.xx.xx.xx:80> ServerAdmin admin@example.com DocumentRoot /mnt/external/project/Creative ...
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2answers
26 views

how to stop cron mail receiving in spam folder?

I have added a cron job for my incremental backup, and I configured it like this.But my mail goes to spam folder.so iclick not spam option in mail.it moves to inbox.but again it receives in spam 0 23 ...
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1answer
29 views

Problems installing PECL extension Memcache

I have installed memcached fine and seems working properly , and now I will need to install PECL extension memcache. Im running Centos 6.2 x86_64 .When I try to install gives me this error at the ...
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1answer
154 views

(nginx) Apache Forbidden error (at random): No error logs

I am running an Nginx server, but as of late I am randomly getting "Forbidden" errors by Apache, and it seems to never happen at "first" visit, only after refreshing/browsing for a while. What is ...
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1answer
53 views

Unable to get squid working on centos

I have set up squid on my centos vps server and I am trying to connect to it through my windows computer but I am getting following error for all the websites: Waiting for google.com The ...
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2answers
51 views

MySQL keep crashing

So a little background, a few weeks ago I brought a new CentOS dedicated server in Melbourne, however it seems beside the number of attackers I get, there also seem to be an issue with the MySQL ...
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32 views

High CPU Usage and hangs randomly with HHVM

I'm using phpbb on Centos 7 with 512mb of ram and 1 core. And I'm having randomly hangs and high cpu usage when I get some url of my clean phpbb installation. This is my server.hdf file: idFile = ...