Error in system filter: failed to open filter log file /var/log/filter.log

admin — Sat, 26 Jan 2013 11:57:22 +0000

Emails on my server were discarded and exim log was showing following error: Error in system filter: failed to open filter log file “/var/log/filter.log”: Permission denied (euid=506 egid=559) This error indicates that either file /var/log/filter.log does not exist or ownership of the file is incorrect. and so server is unable to open the file. …

iptables error: restorecon command not found

admin — Tue, 15 Jan 2013 23:38:58 +0000

Saving iptables rules: iptables: Saving firewall rules to /etc/sysconfig/iptables: /etc/init.d/iptables: line 268: restorecon: command not found [FAILED] This error mainly occurs due to misisng restorecon file. restorecon is provided by policycoreutils package. You can try uninstalling and re-installing policycoreutils package and see if you get restorecon file under /sbin Installing policycoreutils package: root@server [~]# yum …

ip_conntrack: table full,dropping packet

admin — Mon, 10 Dec 2012 08:10:28 +0000

ip_conntrack is an iptables module which limits number of simultaneous connections your system can have. If this connections are exceed, then your server may not respond to ping and ssh. by default a linux Cent OS server have 65536 connection. Today I faced same issue with my server. and Fixed for the same was increasing the …

install memcache/Memcached on centos

admin — Sat, 20 Oct 2012 05:50:11 +0000

Free & open source, high-performance, distributed memory object caching system Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. Installing Memcached using YUM If you are using Centos or RHEL, you need to install the RPMforge rpm to install the …

Sorry, no mailbox here by that name. (#5.1.1)

admin — Thu, 18 Oct 2012 14:13:38 +0000

Try Following Fix. Error occurs when you send mail to your Parallels Plesk Panel server, 1) make sure that the mail address to which you are trying to send mail really exists and that the “Mail” service for the domain is enabled. 2) Make sure that the domain to which you sent mail is not …

Problem with Configure PHP and SuExec

admin — Thu, 04 Oct 2012 14:36:51 +0000

WHM Configure PHP and SuExec showing following message: This message is normally shown when apache/php compilation is running on the server. If this process is completed and you still see this message in the WHM then this is a problem. You can simply fix this by removing following file from server. SSH the server as …

Can’t Enable/Disable PHP Support for a Domain in Plesk

admin — Wed, 29 Aug 2012 12:14:02 +0000

Plesk control panel has inbuilt feature to enable/deselect PHP support for each domain. Sometimes, the check box to enable/disable PHP support is grayed out. So the user won’t be able to use that feature. This happens if PHP is not installed or the installed PHP is not recognized by Plesk components. In most cases this happens …

InnoDB: Unable to lock ./ibdata1, error: 11

admin — Wed, 07 Mar 2012 12:10:34 +0000

Today, I saw that our mysql server suddenly went down and on checking mysql server logs, following thing was noticed. InnoDB: Unable to lock /path/to/ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. To fix this issue, make a copy of …

Recovering Parallels Plesk panel password

admin — Tue, 24 Jan 2012 12:20:45 +0000

Following are the steps to recover Plesk Control Panel Password. 1. SSH to the server as root user. 2. For Plesk version 10.1 and below, you can use following command to check/retrieve password. cat /etc/psa/.psa.shadow This file contains your admin Parallels Plesk Panel password Parallels Plesk Panel 10.2, however, encrypts this file. To view …

mysql :Got error: 1016: Can’t open file: … (errno: 24) when using LOCK TABLES

admin — Sun, 22 Jan 2012 10:56:55 +0000

Sometimes, when you have got a large number of tables in your database and while taking the dump of that particular database, you would have encountered this strange error. mysqldump: Got error: 1016: Can’t open file: ‘.\database\certain_table.frm’ (errno: 24) when using LOCK TABLES There are two solutions for this problem. 1) Set the following …