Difference between su and sudo

Difference between su and sudo For the most Linux distributions, su and sudo are widely used commands. In this article we will discuss what is the main difference between su and sudo commands. What is ‘su’ command? ‘su’ commands forces you to share your root password to other users. When any superuser type su, it

How to patch OpenSSL Heartbleed vulnerability

How to patch OpenSSL Heartbleed vulnerability Recently a vulnerability discovered with certain versions of OpenSSL . OpenSSL is a toolkit which implements SSL/TLS protocols as well as general cryptography for various operating systems. This vulnerability can provide a backdoor for attackers to gain access to confidential information. The following OpenSSL versions were affected by Heartbleed

Upgrade OpenSSL on CloudLinux

Recently OpenSSL has released an update to address “Heartbleed” vulnerability and it is recommended that you update as soon as possible. In this article, we will discuss how to upgrade OpenSSL on CloudLinux. Upgrade Instructions: # yum clean all # yum update openssl # cagefsctl –force-update # /etc/init.d/httpd stop # /etc/init.d/httpd start If you are

Check MySQL service uptime through command line

Check MySQL service uptime through command line As a server administrator, it is easy to check MySQL service uptime through command line (via SSH for Linux server or MySQL command line for Windows server). You just need to follow the below steps: [1] Login to your server via SSH or access MySQL server via MySQL

Command to add/edit/remove cron job (crontab) on Linux server

On Linux server, you will have to manage your cronjob (cron job) via SSH. crontab command is used to add/edit/remove a cron job on the server. Below are the few options of crontab command: crontab -l  – Displays the current cron jobs crontab -e – To edit the cron jobs crontab -r  – To remove

Error loading stylesheet Google XML Sitemaps plugin

Error loading stylesheet Google XML Sitemaps If you are using WordPress plugin Google XML Sitemaps, you may receive the following error while accessing your sitemap without WWW (http://yourwebsite.com/sitemap.xml): Error loading stylesheet: An unknown error has occurred (805303f4) However you can access the same sitemap using WWW (http://www.yourwebsite.com/sitemap.xml). How to fix this problem? Easy way to

Disabling wp-cron.php in WordPress – Disable WordPress virtual cron

Disabling wp-cron.php in WordPress WordPress uses a file called wp-cron.php as a virtual cron job. This is used to automate scheduled posting, checking updates for plugins and themes, email notification and other automated tasks. Whenever a user access your blog, wp-cron.php is called automatically on each request. On a low traffic website, this is not