You should create robots.txt in the root of your wordpress installation if you don’t have this file. Typical Example of Wordpress robots.txt is shown.
Host Multiple Sites with SSL in LAMP
How to host multiple websites in a single VPS in LAMP environment. All sites will use SSL certificates (https). All commands are for shown considering Ubuntu linux.
Update Failed due to Inconsistent File Permissions
An automated WordPress update has failed to complete? This is usually due to inconsistent file permissions. Here are the commands to set right the error.
Accelerated Mobile Pages in WordPress
Accelerated Mobile Pages is a Google backed project for faster delivery of your website content to the mobile device users. Search engine shows AMP symbol.