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

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.   …

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Unable to connect to smtp server localhost:25 on plesk

When we try to send emails through horde we get the following message: There was an error sending your message: unable to connect to smtp server localhost:25 So, I tried to telnet to localhost on 25 using ‘telnet localhost 25′, which returns: Trying 127.0.0.1… telnet: Unable to connect to remote host: Connection refused I ran nmap …

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/usr/libexec/mysqld: Can’t create/write to file ‘/var/run/mysqld/mysqld.pid’ (Errcode: 13)

while starting mysql service on plesk server I was getting above error.   /var/log/mysqld.log was showing logs 101114 12:43:42 mysqld started 101114 12:43:42 InnoDB: Started; log sequence number 9 2286522967 101114 12:43:42 [ERROR] /usr/libexec/mysqld: Can’t create/write to file ‘/var/run/mysqld/mysqld.pid’ (Errcode: 13) 101114 12:43:42 [ERROR] Can’t start server: can’t create PID file: Permission denied 101114 12:43:42 mysqld …

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

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 …

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iptables error: restorecon command not found

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 …

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ip_conntrack: table full,dropping packet

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 …

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install memcache/Memcached on centos

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 …

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

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 …

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Error in system filter: failed to open filter log file /var/log/filter.log
Unable to connect to smtp server localhost:25 on plesk
/usr/libexec/mysqld: Can’t create/write to file ‘/var/run/mysqld/mysqld.pid’ (Errcode: 13)
Can’t Enable/Disable PHP Support for a Domain in Pleskiptables error: restorecon command not foundip_conntrack: table full,dropping packetinstall memcache/Memcached on centosSorry, no mailbox here by that name. (#5.1.1)

Jan 26

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

Categories:

Cpanel/Whm

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Error!

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

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.

 

if file is not created then create it and assign following ownership.

 

touch /var/log/filter.log

chown cpaneleximfilter.cpaneleximfilter /var/log/filter.log

this should fix the issue now.

 


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Mar 29


Error (ERROR_PLATFORM_FAILURE)

Categories:

Gallery

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I use to receive following error on accessing my photo gallery

Error (ERROR_PLATFORM_FAILURE) :

* in modules/core/classes/GalleryTemplate.class at line 251 (GalleryCoreApi::error)
* in modules/core/classes/GalleryTemplate.class at line 180 (GalleryTemplate::_initCompiledTemplateDir)
* in main.php at line 486 (GalleryTemplate::fetch)
* in main.php at line 94
* in main.php at line 83

On investigating the issue I found g2data directory was having wrong permission it should have 777

go to the installation directory of your gallery use following command to change permission recursive

[root@server~]#chmod -R 0777 g2data

That fixed the issue.


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Mar 29


How to change date and time zone in php

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php

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If your php script is not showing correct date and time then it means your script is using date and time zone configured on your server.

If you want to set your own date and time zone for your domain then it can be done in a very simple manner.

You will need to create php.ini in document root of your domain.

[root@Server ~]#nano php.ini

and enter following line.

date.timezone =Asia/Jakarta

save and exit from file.

Now create phpininfo page and open it in browser and you will see that date and time zone have been enabled.


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Jun 12


User is Over Quota Internal server error

Categories:

Cpanel/Whm

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Disk quota for overall account and email account is not exceeded, but still on accessing squirelmail I use to get error  Internal Server Error User is Over Quota

FIX:

root@server[#] cd /var/cpanel/overquota

root@server[#]rm -f username

NOTE: Replace username with your actual cpanel username.


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Jan 16

iptables error: restorecon command not found

Categories:

Linux

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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 install policycoreutils


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Dec 10

ip_conntrack: table full,dropping packet

Categories:

Linux

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Error!

ip_conntrack: table full, dropping packet

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 limit.

 

You can refer to following tutorials:

Check current limit:

# sysctl net.ipv4.netfilter.ip_conntrack_max

Increase this limit to e.g. 75536, type

sysctl -w net.ipv4.netfilter.ip_conntrack_max=75536

To check current open session, execute following command.

wc -l /proc/net/ip_conntrack


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Oct 20

install memcache/Memcached on centos

Categories:

Installation

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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 packs. Go to http://dag.wieers.com/rpm/FAQ.php#B2 and download/install the correct rpm/arch belongs to your server.

 

 yum install memcached

yum install libmemcache

 

Installing Memcached from source

 

cd ~/memcache
wget http://memcached.googlecode.com/files/memcached-1.4.5.tar.gz
tar zxvf memcached-1.4.5.tar.gz
cd memcached-1.4.5
./configure --with-lib-event=/usr/local/
make
make install

Installing libmemecached

cd ~/memcache
wget http://monkey.org/~provos/libevent-1.4.14b-stable.tar.gz
tar zxvf libevent-1.4.14b-stable.tar.gz
cd libevent-1.4.14b-stable
./configure
make
make install




Staring the memcached as daemon process


 


It is advisable to run/start the memcached process as non-root user, you can use the nobody user/group to start.


memcached -d -u nobody -m 1048 -p 11211 127.0.0.1


 


Install the Memcache PECL Extension for PHP


 


Even though memcached is happily running on the server, it’s not accessible from PHP without the PECL extension. Fortunately this is a very easy process, just use the pecl command.


 


pecl install memcache


Then add the memcache extension to your global php.ini file.


extension=memcache.so


 


Now restart web server.


 

 
        

        
    



   

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

		
		
						

			
									Categories: 
			
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Error!
Sorry, no mailbox here by that name. (#5.1.1)


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 listed in the “/var/qmail/control/locals” configuration file. The file must contain the entry, “localhost” only .


3) If DrWeb is installed on the server and has no valid license, make sure that LicenseLimit is set to “pass” in /etc/drweb/drweb_qmail.conf


grep License /etc/drweb/drweb_qmail.conf

LicenseLimit = pass


        

        
    



   

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