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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NFS client; how to check that resvport option works correctly?

I am trying to use the resvport option because the server I am connected to uses SECURE_NFS="yes"... [root@localhost tmp]# mount -v -t nfs -o resvport nfs.example.com:/Prod/ISOs /tmp/ISOs mount.nfs: ...
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2answers
56 views

Why can my servers not access their own addresses?

I have two VMs on CentOS 6.5, running Plesk 12, and the webserver is Apache 2.2. One is a clone of the other, and I inherited them setup by someone else. My problem is that I can access my sites ...
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18 views

No version specified, and no candidate version available for mysql

I'm trying to install MySQL using Chef on CentOS 6.5. I've got the repositories in place. -rw-r--r--. 1 root root 256 Oct 15 16:59 centos-base.repo -rw-r--r--. 1 root root 267 Oct 15 16:59 ...
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1answer
31 views

How to install Foreman on Centos 6?

Attempt According to this documentation, Puppet should be installed before installing Foreman. Puppet sudo rpm -ivh ...
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12 views

save alsamixer input source [closed]

I am not able to save the input source of my alsamixer. Every time I reboot the system the input source is set back to front mic. I want it to stay as rear mic. I tried alsactl store I disabled ...
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2answers
84 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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16 views

Static Route Dual LAN CARD Centos 6

First let me explain the scenario. I have two internet connection (Lease LINE and BroadBand). I have a CENTOS 6 Server which is used for VOIP calling (GOAUTODIAL). Now I want everyone in the LAN to ...
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18 views

Setting up a wireless connection on CentOS 6.5 without NetworkManager [migrated]

I'm trying to set up a wifi connection from my CentOS 6.5 system to a wireless AP, without using NetworkManager. This is a fresh installation, but yet I don't see any ifcfg-* files in ...
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1answer
39 views

relocate EXT3 quota files

Is it possible to relocate the quota files for one filesystem to a different filesystem (e.g. using a symlink)? Rationale: testing SSD with quota, and I am worried that the constant writing to the ...
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89 views

Can't receive mail, but can send mail? Centos 6 Postfix/Dovecot

I followed this tutorial to setup my webmail on CentOS 6: https://www.rosehosting.com/blog/mailserver-with-virtual-users-and-domains-using-postfix-and-dovecot-on-a-centos-6-vps/ Everything is setup ...
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1answer
54 views

How to upgrade version of an installed package on CentOS 6.5

I installed libtiff by command yum install libtiff-devel.x86_64 which installed ver 3.9.4. [anthony@server ~]$ sudo yum list installed | grep "libtiff" libtiff.x86_64 ...
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1answer
127 views

segfault error with bash on CentOS 6

I updated bash as soon as both patches were available, and using the test script at https://shellshocker.net, I am showing fixed on all vulnerabilities except for segfault. OS: cat /etc/*release* ...
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27 views

CentOS 6.5 filename wrong encoding via apache or FTP

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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1answer
35 views

OpenVPN config for route some traffic through VPN CentOS 6

My server is using CentOS 6.4 64 bit and have 2 network adapter. 1st adapter have an internet ip: 192.241.190.x 2rd adapter is an LAN network with ip: 10.60.5.62 I installed openvpn and config for ...
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34 views

How to Fix/ solve Very High serverload on Cents os 6 VPS

My VPS is constantly on High Load from last 2 days , cant figure out what the problem is . here are more info about vps. VPS acts as HTTP(Apache), Mysql, Proftp Server, not much traffic., daily approx ...
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23 views

yum remove package freeze while erasing

I'm using CentOS 6.5 on a server. Some time ago, I installed from a third-party repository Newscoop CMS. Now I'm not able to remove it. yum remove newscoop Freeze at the "erasing" point, shutting ...
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2answers
65 views

What mailer does cron use to send mail?

I am trying to debug an issue with cron not sending mail on a Centos 6 box that I did not configure. How can I determine which mailer cron is using to send mail? The crontab man page has this to say, ...
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1answer
54 views

Puppet's issue: Configure WAN interface, reload network in the process result in broken agent's run

A little background: I want to use puppet to fully configure RHEL6 servers freshly after they have been installed with kickstart, the kickstart itself is fully automatic and provide dhcp-enabled ...
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1answer
69 views

How to start open-office headless service on a particular port in CentOS

I am trying the following to start OpenOffice headless service: soffice -headless -accept="socket,host=127.0.0.1,port=8100;urp;" I have tried with double-dash -- instead of single - and this ...
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1answer
24 views

How to find the cause of random network timetous

I have Centos 6.5 server that is having some issues with random network timeouts. It happens 3 o 4 times per day ( I couldn't identify a specific minute or hour ). When it happens, it affects almost ...
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43 views

Sudo yum update errors

I recently tried installing HHVM on my Centos VPS today without luck. I then tried to update my VPS and received the following errors below. I'm quite new to the command line so I don't have a clue as ...
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2answers
630 views

How to patch for CVE-2014-6271 & CVE-2014-7169?

CVE-2014-6271 & CVE-2014-7169 is a bash related bug that reported at 24-Sep-2014. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-6271 ...
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1answer
52 views

Centos disk space allocation

My internal server is running out of space. I want allocate some of the space from lv_home over to lv_root. I have checked the following link: Centos 6.3 disk space allocation. It has few commands ...
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30 views

High number of TCP RST packets

Whilst looking into some transient network issues, I have noticed what seems to be a high number of RST packets received: Tcp: 40091950 active connections openings 44754733 passive connection ...
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20 views

Can't connect to Tomcat

I an new to Tomcat and having some problems - I have installed Tomcat 7 and it is running and set to use port 8080 in server.xml. I have opened port 8080 in iptables (and saved iptables) but I cannot ...
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77 views

Can someone help install cups2.0 on CentOS 6 x86_64?

I am experimenting in building up CUPS2.0 for my CentOS6. As CUPS2.0 supports SSL/TLS communication CUPS2.0_Encryption. As CUPS2.0 is not released officially, I can't use yum install as no mirrors are ...
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1answer
67 views

DNS Lookups no longer working - administratively prohibited

I'm running into a strange issue where my server now refuses to do DNS lookups (using bind). I use a CentOS box as an OpenVPN gateway and provide DNS service to the clients. For month everything was ...
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42 views

How can I use LDAP and Kerberos for web auth only, not server auth

I have read this question on proper kerberos integration and this question on enterprise authentication, neither are helpful to me at this point in time though they did provide some good background. ...
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1answer
61 views

How to reinstall python2.7 on CentOS 6 in order to install mod_wsgi [closed]

I've installed Python2.7 from source on a CentOS 6 VPS, and I'd like to get a Django site up and running. Unfortunately, everything I've Googled so far says that I'll need to install mod_wsgi, which ...
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2answers
41 views

Huge Outgoing traffic on windwos azure [closed]

I have a vm on Windows Azure running centos6 as dev node, and have recently experiencing a huge increase in outgoing traffic. VM was stopped and after started by 1 day it shows 236.63 GB on outgoing ...
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36 views

Centos and PHP 5.4+

I am a web developer and I am looking to start my next (Rather huge) project using a PHP framework called Laravel, which requires at a minimum PHP 5.4. Currently, on my company's web server we run ...
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68 views

Rails Permission Error on Sub-URI with Passenger, Apache, & Centos

I have a rails 4 application installed on a machine running centos 6. I have Apache serving up another application and I'm try to mount the rails application at a sub-uri. To aid deployment I've ...
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1answer
93 views

apache always serves first named vhost regardless of SNI setting

Apache is always serving the first named vhost regardless of SNI setting. I'm unsure what is causing this. I no longer get the message Init: Name-based SSL virtual hosts only work for clients with ...
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2answers
54 views

iptables to route/filter traffic by URL behind NAT

I have the following configuration: a DNS record of X.a.b.c pointing to an ip address I a DNS record of Y.a.b.c pointing to the same ip I. Internet---->(RT)--->(FW)--+-->(MN) ...
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1answer
286 views

Zimbra - 'Some services are not running'

I installed Zimbra Collaboration Open Source Edition 8.5.0 in a Centos 6 Virtual Machine. Zimbra is up and running and all the services are up and running. #>service zimbra status Host ...
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2answers
35 views

How to configure OpenLDAP server and test using Apache HTTPD

I am using CentOS 6. I found a great article on how to install and configure OpenLDAP on CentOS 6, and I found some other great documentation here on how to configure LDAP to work on Apache HTTPD (I ...
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1answer
208 views

Is there a timeout for init.d scripts running during boot process?

I am creating a few scripts that are being registered to execute on server start on CentOS 6.5. One of this scripts has a while loop that blocks until it finds a successful start message on the log ...
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1answer
30 views

xfs - command limit not found

I'd like to set xfs quota on my CentOS 6 server, so I installed xfsprogs package. However it says command limit not found as shown below. [root@myserver ~]# xfs_quota xfs_quota> print Filesystem ...
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1answer
36 views

Apache unable to access mounted Samba share

I'm running Apache 2.2 on CentOS 6.5, and I'm having problems accessing a Samba share that I've mounted. My web root is /var/www/html, and I've created a folder in the root called intranet, and I'm ...
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1answer
39 views

Postfix from address changed, mail being bounced

I have an Apache server which has been happily sending emails for the past few years - earlier this week the from address on all emails sent by postifx has changed and, as a result, 99% of messages ...
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1answer
44 views

How to change /home size

This server is running CentOS 6.5 minimal and comes equiped with two 3TB HDD. df -h shows: Filesystem Size Used Avail Use% Mounted on /dev/md2 1008G 933M 956G 1% / tmpfs ...
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1answer
37 views

Google Sitemap Generator sitesettings.xml file empty

I have installed Google Sitemaps Generator and the installation seemed to be successful. I can access the control panel and there are settings in the various fields, but Sitemaps fails when it tries ...
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1answer
55 views

Basic Salt File server commands not working

I have a salt master and just one salt minion with the Id saltMinion2. I installed the rpm salt-master-2014.1.10-4.el6.noarch on the master and salt-minion-2014.1.10-4.el6.noarch on the minion and ...
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1answer
156 views

Why am I getting this 404 error trying to install postgresql 8.2 on centos 6?

Im trying to install postgresql 8.2 on centos 6 but when i add the repo for it and do a yum upgrade or try to install the package i get the following error yum upgrade Failed to set locale, ...
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74 views

How to setup multiple OpenVPN connections on a server for a single localhost app to use on CentOS 6.5?

I have a scenario where I need to run several OpenVPN connections at one time and to allow a singular application to access each of these connections. How wold I go about starting up several ...
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1answer
74 views

Multiple Apache virtualhosts on same server

I am trying to setup a virtualhost / redirection point so i can have two different systems on one site. so far this is what i have: NameVirtualHost 89.104.220.207:80 NameVirtualHost ...
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2answers
28 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
68 views

Hard drive error message in Virtual Root Server

After noticing a high load on our virtual root server (2 x 1 TB RAID 1 Subset) I have found these messages in /var/log/messages (CentOS): kernel: ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action ...
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1answer
70 views

100% usage for 11G/40G, how is it possible?

How is it possible to have the stats below: 11G used over 40G Size and no more space available. Now I cannot send my e-mail because I receive: An error occurred while sending mail. The mail server ...
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75 views

CentOS 6.5 password-less scp fails only when ssh server not running debug

I've got a very weird situation going on. I've got 3 database servers, 1 primary with 2 hot standby. These are running CentOS 6.5 and postgres 9.3.3 with WAL segment archiving so the primary needs to ...