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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turn server hardware configuration [duplicate]

I want to deploy TURN server on CentOS 6.0 which can handle 5000 audio video connections at a time. Can any buddy give me minimum hardware requirement for it? Specifically number of CPU, RAM and ...
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Password History isn't working in 389ds LDAP

I'm testing few of the password policies that are available in 389ds which is installed in CentOS 6.5. In that except Password History, all the attributes are working according to the configuration ...
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Zpanel Not Showing Anything in Admin Screen / Reinstall / Repair Required [on hold]

I was trying to update zpanel repository so ran few commands including zppy update zppy update zgodx and after that my zpanel admin area shows nothing , it's empty, no modules show, if i try to ...
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0answers
14 views

How to disable httpd permanently in Centos 6 [on hold]

I installed NGINX in the server, which was earlier APACHE (httpd). Since i could not remove, erase the httpd via yum - i disabled it by, service httpd stop chkconfig httpd off But after a while, ...
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1answer
1k 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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101 views

Installing php-mysql on centos 6.5 fails due to conflicts when percona client 5.5 also installed

Some background: I'm writing a Chef cookbook to set up a LNMP stack for local development. It requires the php-mysql library for PHP 5.4 (using the php package). We're using the yum-remi repository ...
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1answer
18 views

Any equivalent to vmtools to install on Centos 6.6 KVM (Centos)Guest?

When creating a Linux VM in ESX, I would typically use the vSphere Client to mark the VM for an installation of vmtools. vmtools is kept on the Server, installed at the next boot of the VM, and ...
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0answers
22 views

Nagios Apache publishing

I am deploying a NagiosXI server (CentOS 6.6) and I would like to publish the site externally to allow team members to use the mobile app without the need for a VPN client. I have worked out the ...
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2answers
765 views

httpd unpacking error on installing subversion and mod_dav_svn

I am unable to make subversion working on centOS 6.4. I am getting httpd unpacking error on installing mod_dav_svn. I am getting the following error. Running Transaction Installing : ...
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1answer
23 views

Unrecognized Service Nginx ERROR [on hold]

I freshly created droplet on digital ocean, centos 6.5 64 bit. I did all things below. After make install, it seems like nginx doesn't installed my server. I am getting Unrecognized Service Nginx ...
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30 views

SPAMMERS and DNS attacks [on hold]

I am having a few small issues with a number of IP ADDRESSES that seem to keep trying to access the server. I am wondering is there any software for CentOS which is like an auto IP Blocker which is ...
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1answer
18 views

Postfix sending mail from local users but not from mailman [duplicate]

I am attempting to set up a Mailman server for a local club and have run into a strange issue with Postfix and Mailman. I think the issue lies with Postfix. So The issue is that I am able to send ...
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1answer
31 views

How to correctly setup an Apache VirtualHost as HTTP and HTTPS?

I am trying to setup a locally (for development/testing purposes) SSL site using Apache and mod_ssl and this is what I have in my VirtualHost files: /etc/httpd/conf.d/local.conf <VirtualHost ...
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5answers
1k views

Reloading a kernel “live” in CentOS / RHEL 6

When upgrading the kernel package on CentOS or RHEL 6, is it possible to load the new kernel without rebooting? My gut tells me it's not, but if it were, it'd be handy - especially when compiling ...
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18 views

Mounted with bind folder doesn't appear in FTP client if mounted a folder in a volume

I mounted an external folder (from outside the ftp folder) in the ftp folder with mount bind parameter this way: mount --bind sourcefolder destinationfolder The folder is correctly mounted and I ...
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1answer
29 views

Enabling SOAP on CentOS 6.6 Server

I am trying to enable SOAP on my server. Soap is installed, but doesn't show up in php_info. PHP Version 5.4.39 System Info: Linux ip-xxx-xxx-xxx-xxx.secureserver.net 2.6.32-042stab106.4 #1 SMP Fri ...
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2answers
9 views

CentOS 6 donwgrade RPMForge packages

I have a CentOS 6.6 server, and I tried some packages from rpmforge and rpmforge and extras. I did a yum update with those repos enabled and got a lot of stuff updated. Now I want to go backwards and ...
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1answer
16 views

Nginx refuses to read new directory in /home

I'm on CentOS6.6, installed "Akeneo" and all went well. Installed into /home/pim so the actual location for nginx to use is the web directory where app.php is located. Doing a namei on ...
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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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0answers
18 views

CentOS hangs on commends cd & ls [closed]

I have a remote directory that is mounted in fstab as follows: //1.1.1.1/some/directory /media/mydirectory cifs username=someuser,rw,file_mode=0777,dir_mode=0777,noauto 0 0 The problem is that it ...
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0answers
14 views

Puppet: remediation handler 'Recieved API Response (404)'

What would cause a 404 when trying to run 'touch /tmp/hello' on CentOS6.5? The server has a subscription to its hostname, I don't see anything on the sensu-agent.log on the server showing it got the ...
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3answers
352 views

Accidently removed localhost.crt SSL in Centos 6 - what can i do?

So I just got my certificate issued from Digicert, and since there was other unused/old files in /etc/ssl/ i marked and removed, and accidently also removed localhost.crt. Now I cannot start my web ...
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31 views

CURL & SSL failing on a specific site [duplicate]

I can't get curl to download https://www.sicdm.caixa.gov.br/cadmut/login_internet_form.do on a CentOS 6.2 server. The command curl -v -k -3 ...
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0answers
48 views

Init script has permissions issues, but running with /bin/sh resolves them? [closed]

Can someone tell me what's going on here? As far as I knew, these ways of executing an init script are identical. box:~# whoami root box:~# /etc/init.d/nginx restart nginx: [emerg] open() ...
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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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3answers
2k views

Exim on Centos - Configuring gmail smtp

I want to set up Exim to send the mails through my gmail (actually my domains google apps). I have added the router, transport and authenticator. Specifically: gmail_route: driver = manualroute ...
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1answer
37 views

Centos6 with cloud-init takes longer boot time

Centos-6.6 vm image takes almost ten minutes of boot time when ran using virsh. I captured the logs using virsh console. It looks like this, ci-info: ...
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3answers
1k 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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22 views

CentOS 6.6 port not open locally [duplicate]

I searched around and can only find the opposite problem -- ports are available locally, but not remotely. My issue is, the port was opened for me remotely, and it works, but it isn't available ...
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1answer
34 views

SELinux - mysql/ and httpdoc/ in same folder?

Looks like my old faithful LAMP directory structure has come unstuck with SELinux. I prefer everything in the same place. CentOS 6.6 Apache 2.2.15 MySQL 6.5 /DATA/ /DATA/httpdocs/ /DATA/mysql/ ...
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13 views

Update default PATH in CentOS6.6 Docker Image

docker run -t -i centos:6.6 /bin/bash I installed two java versions on this container Saved it via docker commit blah blah and I wanted to update the default PATH so when I run docker run -t -i blah ...
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1answer
33 views

fail2ban says banned, but can still log in

Running fail2ban 0.8.14 on CentOS 6.5 with Python 2.6.6, fail2ban puts my IP in the banned list, but doesn't actually prevent me from logging in. Here's an example of a failed ban in ...
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1answer
25 views

How can i detect if the virtual CD ROM is attached or detached?

I have a requirement where i need to check if a virtual CD ROM is attached if yes then read the values and apply it on to the application. But couldn't find a way to detect if a CD ROM is attached or ...
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3answers
19k views

What does that mean: packages excluded due to repository priority protections

When updating with yum i recieve the following message: yum update Loaded plugins: fastestmirror, priorities Loading mirror speeds from cached hostfile * atomic: www7.atomicorp.com * base: ...
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3answers
57 views

How I can Block all China to entry to my server [closed]

How I can Block China to entry to my server ? All China country ? By ipset and iptables I want by this to avoid DDOS attacks OS: CentOS 6.6 Thanks.
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1answer
22 views

Iptables - How can i limit the access of a service on a server with two ips?

On my personal server ( Centos 6.6 ), i acquired a secondary ip in order to keep all backend access splitted from the frontend applications. But i'm not sure how can i specify wich port can be ...
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1answer
8k views

Centos /etc/hosts doesnt resolve my hostname

[root@data001 etc]# hostname data001.dd [root@data001 etc]# ping data001.dd ping: unknown host data001.dd [root@data001 etc]# How do I fix this? This is on a fresh Centos6 build...does this not come ...
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404 error Munin and Vestacp

So we are using VestaCP as our control panel for our clients hosting. I am having a small issue with installing and running Munin. The reason we want to use it, is because we want to track when MySQL ...
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1answer
97 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
924 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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3answers
1k views

VMware ESXi CentOS 6.4 kickstart installation

I was trying to do a kickstart installation for CentOS 6.4 but it always show me a warning of re-initializing the HDD as it say may contain invalid partition table or a virtual disk. I have added ...
4
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4answers
218 views

Which ports are required in order to authenticate against a ldap server in another domain which is behind a firewall?

I have a Linux domain running with sssd, let's call this domain NJ. I'd like machines on the NJ domain to be able to authenticate against an Active Directory ldap server which resides on a different ...
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0answers
46 views

XenServer CentOS VM: EXT4-fs error (device dm-2): ext4_journal_start_sb: Detected aborted journal

I have 2 different CentOS 6.4 VM's on 2 different Citrix XenServer and both have the same error within couple of few days. Output of messages: kernel: Aborting journal on device dm-2-8. kernel: ...
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3answers
5k views

Interpreting cryptic kernel “page allocation failure” messages

I have a multi-user CentOS 6.1 database system running an application named ABC. The server is 64-bit, 8GB RAM and 6 vCPU (on VMWare ESXi 4). We get frequent dumps into the dmesg and the system logs ...
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4answers
25k views

In CentOS 6.x, how can I upgrade to Kernel 3.4?

I have a server running CentOS 6.2 with kernel version 2.6.32, but I need to increase my application Performance. The Kernel Version 3.4 has x32abi which can improve the performance so i want to ...
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1answer
3k views

daemon function isn't working in CentOS 6.4

I'm trying to daemonize a process under a different user. In my init.d, I have a service which looks a little bit like this: ... start() { echo "Starting mydaemon..." daemon --user someuser ...
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2answers
461 views

CentOS 6 in production

All of my virtual servers are on Centos 5.5. Now I am deploying new one and there is a new OS option: CentOS 6. I like new software, and I prefer to use new versions (but not the edge). So, as far as ...
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1answer
914 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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1answer
38 views

Redirect for https and www [duplicate]

I currently have my rewrite rules in the post_virtualhost_2.conf file this in inserted into the httpd.conf file at the absolute end. I have two blocks that don't seem to be working <IfModule ...
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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 ...