How to upgrade MySQL 5.5 to 5.6/5.7 or MariaDB 5.5 to 10.X on Linux Plesk? Database
Several parameters have defaults that differ from the previous versions and the mail reason for these changes to provide better out-of-box performance and to eliminate the need for the database administrator to change settings manually. Upgrades also give you access to new enhancements made in the newer versions. Following are the instructions for upgrading MySQL... Continue Reading 
How to fix vulnerabilities in sudo package? Linux
Qualys provide cloud security, compliance and related services research team has disconvered the overflow vulnerability in sudo. This vulnerability has been hiding for nearly 10 years. Te bug allows any local users to gain root access without authentication (no user’s password required. The two vulnerabilities identified are A local attacker could possibly use this issue... Continue Reading
How to Resolve MySQL is not Running in cPanel? cPanel / WHM
MySQL stopped running due to improper shutdown or abrupt close of the query. To start the MySQL service, please use the following reasons and solutions. MySQL not start due to existing lock file # servicemysql status MySQL is not running, but lock file (/var/lock/subsys/mysql[FAILED] Above command will shows that the MYSQL is not running. We... Continue Reading
How to Secure Nginx with Let’s Encrypt on Ubuntu? Security
How to Secure Nginx with Let’s Encrypt on Ubuntu? Let’s Encrypt is a Certificate Authority (CA) that provides a free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. The process of obtaining and installing a certificate is fully automated on both Apache and Nginx. The following steps describe how to configure Let’s Encrypt SSL... Continue Reading
How to check Time to First Byte (TTFB) using CURL command? Linux
Time to First Byte (TTFB) is the measurement used for the responsiveness of a webserver or other network resource. TTFB measures the duration from the user making HTTP request to the first byte of the page received by the client’s browser. The following command uses CURL command to check the TTFB from your Linux or... Continue Reading
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