For many of the websites there will be different time elements used for displaying time. It will use the server time this, but in some cases we need to have different time for the website and it is not possible to change the server time. So in that case we can change the timezone for MySQL to keep the website updated with the required timezone. For…
How to check mysql processlist on a cPanel server
There are different ways for checking mysql processlist from a cPanel server. As you all know for most of the production server it is needed to check mysql process list for checking the currently running queries and for finding slow queries that slow down the website loading speed. You can check MySQL process list from command line in the following ways, Enter into mysql from…
Issue related with WORDPRESS :: XMLRPC.PHP ATTACK!
WordPress is the most targeted CMS nowadays and needs to be updated regularly. Recently I have seen attacks on wordpress :: xmlrpc.php using POST requests and the attack is large enough to take down / freeze the server. The top or ps aufxw shows most of the xmlrpc.php requests as below : successroute4414 1.3 0.4 85512 35544 ? R 20:57 0:00 | \_ /usr/bin/php /home/successroute/public_html/wordpress/xmlrpc.php…
How to Increase the Size of the Logical Volume ?
Follow the steps below to increase the size of the logical volume and allocate additional space on one of your partitions. Once logged in, type df -h at the command prompt and hit ENTER. The partition and logical volume sizes will be listed including the used disk space. In the image below, the var logical volume is 4GB. Assume that ~9GB of web content will…
CloudLinux Management on cPanel server
Installation You can download latest CloudLinux ISO and use it to install CloudLinux on your server: Latest stable CloudLinux 6.4 ISO: x86_64 version: Please search ISO on Google i386 version: Please search Latest ISO on Google If you want to convert your existing server to CloudLinux you need to get CloudLinux activation key from. Get <activation_key> either by getting trial subscription or by purchasing…
Completely Uninstall cloudlinux from cpanel server
How to completely remove cloudlinux from cpanel server. You can always uninstall CloudLinux. In this case, we will ‘convert’ the system back to CentOS. Even if the original system was RHEL — we will still convert to ‘CentOS’ state. Following this will be done: 1.LVE related packages will be removed 2.CloudLinux repositories & yum plugin will be removed 3.CentOS repositories will be setup At the…
Configure multiple shared IP’s in WHM
It is not possible to add multiple shared IP’s from WHM but it is possible to do it from SSH. First of all we need to create a /var/cpanel/mainips/ directory if it is not present. mkdir /var/cpanel/mainips/ Then we have to create a file. vi /var/cpanel/mainips/root Add all IP’s into it. save the file and quit. 121.127.xxx.xx2 121.127.xxx.xx3 121.127.xxx.xx4 Now login to WHM and check…
Understanding Linux server services
Some common web related services running on a Linux server are, but not limited to, include: httpd (Apache), mysqld (MySQL), vsftpd (Very Secure FTP), named (BIND), iptables (packet filtering ruleset), sshd (Secure Shell), network (network related services) and various others. Usually these services are started at boot time. To check what services are installed on the server, you can use the chkconfig tool. For example:…
Brute Force Prevention On Linux Server
How to install Fail2Ban Fail2Ban is a great utility to use to help prevent a server from being brute forced attacked on SSH. Fail2Ban works with Iptables to block a culprit IP for a certain amount of time. The actual setup and configuring can be done in under 10 minutes. Installation 1.To install fail2ban you will need to have root access (login with user and…
How to find your server is under DDOS Attack
Here is a command line to run on your server if you think your server is under DDOS attack. The commands given below prints out list of open connections on your server and sorts them by connection amount. RedHat: netstat -ntu | awk ‘{print $5}’ | cut -d: -f1 | sort | uniq -c | sort -n BSD: netstat -na |awk ‘{print $5}’ |cut -d…
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