Set tab width in vim
To set tab width in Vim, run To make it permanent, edit ~/.vimrc and add back to vim
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CentOS 7 resolv.conf make changes permanent
On rebooting the CentOS 7 server, changes made to resolv.conf is lost. This is because one of the network interface is configured…
Install Pure-FTPd on CentOS with Virtual Users
To install Pure-FTPd on CentOS, run yum install -y pure-ftpd Edit configuration file vi /etc/pure-ftpd/pure-ftpd.conf To disable anonymous FTP, find NoAnonymous no…
Install vim from source on CentOS
To install vim from source on the CentOS server, run This will install the latest version of Vim. You can start it…
Find all sites using a specific nameserver
To list all sites that use a specific name server, you can use the search available on web site https://securitytrails.com/list/ns/ns1.yahoo.com Above URL…
Magento Change URL
Magento store website URL in table core_config_data. This is the same for Magento 1 and Magento 2. To see the current URL,…
Updating Kernel on Oracle Linux with Ksplice
Oracle Linux come with Ksplice, it allow you to upgrade Kernel with out rebooting. To update kernel, run uptrack-upgrade Example
Install clamav Antivirus on CentOS 7
ClamAV is provided by the EPEL repo. Install epel repo yum install -y epel-release Install ClamAV with yum install clamav Back to…
Install OpenLiteSpeed on CentOS
To install OpenLiteSpeed web server on CentOS, install repository for your CentOS version For CentOS 6 rpm -Uvh http://rpms.litespeedtech.com/centos/litespeed-repo-1.1-1.el6.noarch.rpm For CentOS 7…
Ubuntu 18.04 MariaDB 10.2 Too many open files
On my computer running Ubuntu 18.04, MriaDB stopped working. PHP application i run on my computer failed with error SQLSTATE[42S02]: Base table…
CloudLinux PHP Selector on Cpanel Server
CloudLinux come with PHP Selector, this allow you to select differnt PHP versions. When you enable PHP selector, you should do the…
OpenLiteSpeed
OpenLiteSpeed is an open-source version of the popular commercial web server LiteSpeed. OpenLiteSpeed contains all of the essential features found in LiteSpeed…