By default smtp servers use port 25 but some of the isps block port 25 and force their users to use their smtp server to avoid spamming, however Cpanel have a simple option to add additional smtp port so that your users can use their website's smtp server to send emails.
Login into WHM.
Click...
Have you lost your wordpress blog password? No worries, you can reset it using simple steps
Open up Cpanel and click on PHPMyAdmin
Go to the database of your blog
Populate tables
Go to the table wp_users and click on browse
Click on the pencil (edit) icon next to the user you want to...
firewall is always very important for the security of your system, specially if you are running a web server running very popular websites then firewall is the life of your server.
Previously I explained how to install CSF firewall, and here is the tutorial for APF which is another great firewall...
By default plesk 9.x and 8.x comes with php 5.1 installed, however if your application requires php 5.2 specifically then you can upgrade it manually with simple steps.
wget -q -O - http://www.ucvhost.com/installers/atomic.sh |sh
yum update php
yum install php-soap
yum install...
Cpanellogd [log processing] and cpbackup [Backups] consumes lots of CPU power of server. Therefore, it is not recommended to run cpanellogd and cpbackup at the same time on shared server. By default cpanel run them at the same time, however you can set cpanel to not to run them at the same time to...
By default cpanel do not allow you to setup an Addon domain which is not pointing to your nameservers, and to solve this problem you can change the setting in "tweek setting" in WHM.
You can login to WHM, and click on "Tweek Setting" in left side bar.
Then click on "Domain" tab, and...
All linux and Unix distributions comes with kill command inside.
Killing process by name
If you know the process name which you want to kill then you can simply use
killall [process_name]
killall -9 [process_name]
Killing process by process ID
You can find process ID of a process...
If you find a process creating load on your linux machine, and you want to find the application, file or script which is running this process and ps aux command is your friend.
Suppose, a php process is running and creating load, you can run
ps aux | grep php
It will show the the path to file...
Symptoms
Sometimes I get the "Too many connections" error in Plesk CP or when open a site in my browser:
Unable to connect to database: Too many connections
Cause
This error means that the limit of simultaneous MySQL connection to mysql server is reached and new connections to the server...
Previously I explained the list of ports to configure in firewall if you are running direct admin in your web servers.
Ports to configure in firewall for Directadmin
Here is the list of ports which are required to configure if you are running plesk control panel.
#20 ftp-data
#21 ftp
#22...