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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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
50 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
25 views

Configuring Httpd VirtualHost on CentOs6 [on hold]

I want to use Virtual host to use my two domains in my ded server , i went through its documentaion and my current virtual hosts is this : NameVirtualHost *:80 <VirtualHost *:80> ...
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28 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
18 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), ...
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1answer
47 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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1answer
51 views
+50

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
14 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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0answers
23 views

Owner and full permissions - but cannot upload to SFTP

I've setup chroot for the user sftptest in group sftpusers on a CentOS6 box. I can sftp in and land in the correct chroot directory. I can browse up and down the directories available within chroot ...
1
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1answer
35 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 ...
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0answers
39 views

Server running latest patched OpenSSL testing vulnerable for Heartbleed [duplicate]

I'm running CentOS 6.5 with the latest OpenSSL which has been patched for Heartbleed. Name : openssl Arch : x86_64 Version : 1.0.1e Release : 16.el6_5.7 Size : 4.0 M Repo ...
1
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1answer
38 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
46 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
602 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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1answer
35 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 = ...
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1answer
25 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
31 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 ...
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0answers
19 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
43 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
23 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 ...
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0answers
28 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
26 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
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1answer
10 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
27 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 ...
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9 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
28 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
74 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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0answers
39 views

How to correct with right user permission on Centos 6.5, Plesk - 500 Internal Server Error

Can someone help me because I have a serious problem with my entire server on all accounts. I installed vimp on '/var/www' which was recommended by FAQ on ...
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2answers
40 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
69 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
24 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 ...
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24 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
75 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 ...
0
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1answer
51 views

Postfix Spamassassin deferred queue massive error

I have been witnessing some massive problems with my Postfix email server, equipped with Dovecot, and spamassassin. The log files show errors like below, and there are thousands of such lines in the ...
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1answer
57 views

How to read CPU usage statistics shown in “top” screen?

I'm pretty confused about understanding of CPU usage in a linux server... Please see the screenshot below: WHAT does Cpu(s): 9.1%us mean ACTUALLY? and WHAT does 74.7 at the ruby/deployer row ...
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1answer
60 views

x2Go dependency requires unavailable nx packages on CentOS 6.5

I thought I'm at my wits ends trying to figure out how to resolve these dependencies... [root@mrwizard yum.repos.d]# yum install x2goclient x2goserver [...] Error: Package: ...
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0answers
92 views

Centos 6.5 Samba 3 You require permission from user to make change to this file.. (Copy Files)

I have an error while i want to copy my file in Centos 6.5 using samba to my Windows 7 folder. This is the error message : You need permission to perform this action You require permission from ...
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1answer
18 views

Bounced mail reaches postfix but being removed by the queue manager

I have setup postfix and dovecot. Postfix is set to accept connections from my webserver to send out system generated mail. These are being sent out successfully. Sent out emails to some non-existent ...
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0answers
37 views

awstats not working on CentOS 6 and IPSConfig 3

I setup my server by following this guide http://www.howtoforge.com/perfect-server-centos-6.4-x86_64-apache2-dovecot-ispconfig-3 All works fine but default statistics is set to Webalizer which I ...
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0answers
55 views

Failing to mount root from ramdisk while PXE boot

I have a working TFTP/DHCP PXE boot environment where I've already booted some images successful. Now I built an CentOS 6.5 diskless image and this one is failing booting with the following error: No ...
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0answers
33 views

collectd: ping plugin fail randomly on medium/high number of hosts

I am trying to use collectd to monitor ping time and interface traffic of upwards of a 150 hosts, using the snmp and ping plugins (nodes are mostly routers). The servers reads stats (ping/snmp) and ...
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0answers
58 views

Routing on CentOS with multiple subnets

I have a server with 2 VLANs on a NIC, configured as follows: eth0 Link encap:Ethernet inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 eth0.10 Link encap:Ethernet inet ...
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0answers
25 views

Script for creating a session with multiple tabs

I am new to screen utility in CentOS, I've seen this utility being used by OpenStack for logging different services. I am trying to imitate same with my custom script, but I'm unable to :( I've to ...
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2answers
25 views

“Server too busy” after moving to fcgid

I was previously using mod_fastcgi and had issues as described here with configurations getting ignored. After moving to mod_fcgid, I've seen a whole new issue which is causing issues for all sites ...
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1answer
58 views

Server gets hang and shows error: waiting for required block device discovery

Yesterday My server gets hang and it was showing following errors at bottom of console: waiting for required block device discovery waiting for 4 sda-like device(s)... Then I had hard-booted it. ...
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2answers
89 views

Bounced mails not reaching postfix

I have postfix and dovecot installed on a Centos 6.4 production (www.bw.co.uk) machine. The intent is to send all system and transactional messages and collect bounces. The email id's that resulted in ...
0
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1answer
33 views

Character encoding bugged after migration

I'm facing a nightmarish situation trying to fix my website's character encoding. Latin characters like á, é, ô, ã all turn to � This is my website's structure: I have 3 systems running my website, ...
-3
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1answer
44 views

Adding more space to VirtualBox HD (Centos Host) does not add space in the folder [closed]

I am running Centos 6.5 guest on Windows 7 Pro host (VirtualBox v4.3.6) - all 64 bit. I am trying to increase the size of Centos virtual disk (which is currently about 15G) to 90G. I did run the ...
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0answers
55 views

Automatically acquire IPV6 address in CentOS 6

The network has fixed IPv4 address, and automatic acquired IPv6 address. Does anyone have an idea how to setup? Thanks a lot! I didn't use NetworkManager. The following is my setting, but it does not ...
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2answers
104 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 ...