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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1answer
52 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 = ...
0
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1answer
93 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
76 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This question has been asked here before but has conflicting and possibly outdated answers.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 ...
1
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1answer
100 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
303 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
220 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 ...
0
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1answer
123 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
64 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
25 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
139 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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0answers
31 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
755 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
160 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
284 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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3answers
221 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 ...
0
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1answer
677 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
108 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 ...
0
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1answer
131 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
223 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 ...
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1answer
184 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 ...
1
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1answer
79 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
307 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
410 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
76 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
125 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 ...
2
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0answers
196 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
80 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
306 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
34 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
73 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
180 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
128 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 ...
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1answer
44 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, ...
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1answer
200 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 ...
2
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1answer
140 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
910 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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0answers
321 views

centos 6.5 postfix postgresql support

i m trying to use postfix with postgres to create a virtual users mail boxes. I get the following errors : fatal: unsupported dictionary type: pgsql warning: process /usr/libexec/postfix/smtpd pid ...
2
votes
1answer
365 views

telnet unable to connect to remote host

I have installed postfix and devcot on one of my live servers to send bulk mail (system messages on sign-up, wrong passwords etc). I use the php_imap function to check bounces and flag those email ...
0
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2answers
102 views

rbash to limit user to its home directory closes sftp connection

Server: Red Hat Enterprise Linux Server release 6.5 (Santiago) Using openssh-server to allow sftp connexions. I'm trying to limit users to their own personal home directory. So i modified ...
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0answers
62 views

opensips sever running fine and UDP connection cannot register but TCP connections works fine

Im a newbie to opensips and Centos/Linux. Recently installed opensips sever which running smoothly on TCP connections, but users cannot register on UDP connections. here my Log, have a look. Feb 26 ...
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0answers
184 views

Teamcity, Error collecting changes

Created a brand new TeamCity build project and configuration along w/ a new VCS root and receive the following errors on the first check for revisions TeamCity 8.0.6 (build 27767) running on CentOS ...
1
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2answers
155 views

rsnapshot: WARNING: Some files and/or directories in / vanished during rsync operation

I once in a while get this message in my rsnapshot log, and an identical message in /var/log/messages. Unfortunately, there is no other deviation from normal output, despite loglevel 5 in ...
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0answers
83 views

Need help getting two commands to run on startup (Seafile)

Trying to get the Dropbox alternative Seafile to run automatically on startup on my VPS running on CentOS 6.4. I want to get these two commands on startup. Noob here, any help will be really ...
0
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2answers
121 views

Apache has a long lag before responding

I have an Apache server on CentOS that occasionally takes 1-5 seconds to serve a file, including a text file that is 2 characters. I have a JMeter test that gets a few different types of files, and ...
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2answers
47 views

Network Buffer Usage

I am facing some issues with my Application, and am curious to know the network buffer usage at any given moment. I am using a CentOS 6 linux Machine. I know the Default values are present in ...
1
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1answer
62 views

Shrinking Linux Partition and VM's

I have a Centos 6.2 x86_64 Virtual machine running on an EXSi 5.1 Server. It currently use 320GB of space which is way too much space and need to be shrunk to about 80GB. What I need to do is reduce ...
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2answers
281 views

Unable to access PageSpeed console installed alongside WordPress; getting 503 error and 'LimitInternalRecursion' error

On a CentOS 6 web server with Wordpress installed in /var/www/html/wordpress, and using PageSpeed for caching, I cannot access the /pagespeed_console through the web browser. I only get a 503 error. ...
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2answers
131 views

I can't log into my VPS. Email server up, SSH down, HTTP down

I can't log into my VPS. SSH gives the following error. All the web servers are down. They connect, but do not serve content. However, the email server is still working. The server responds to ping as ...
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3answers
1k views

Trying to understand the correct way to create a static route in CentOS, please assist

I've been trying to understand what's the correct way to add a static route on a CentOS 6.x machine. In some forums they say to create a file named route-dev_name (for example route-eth0) with the ...
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0answers
111 views

How can I suppress rtc error messages in a CentOS 6 PV DomU?

We run a number of CentOS6 PV DomUs. Now logwatch reports afer reboot rtc-errors of this type: kernel: platform rtc_cmos: registered platform RTC device (no PNP device found) rtc_cmos: probe of ...