Debian/Ubuntu Linux: bash: mail command not found – Solution
In Linux operating system, the following error may occur when running mail command to access a mailbox, maildir, mail file:
How to fix Invalid command ProxyRequests
Invalid command ‘ProxyRequests’ error occurs in Linux server due to missing apache modules in our Linux server. To fix this
How to fix Invalid command ‘RequestHeader’ in the server configuration
Invalid command ‘RequestHeader’ error occurs in Linux server due to missing apache modules in our Linux server. To fix this
Android users alert! Google removed 30+ apps from Play Store, you must delete them from your phone
Android users alert! Google removed 30+ apps from Play Store, including the ones that add beauty filters to your photos
How to fix cURL error 60: SSL certificate problem
Sometimes, we are facing an issue with the error “cURL error 60: SSL certificate problem (unable to get local issuer
Javascript – offsetHeight, clientHeight, scrollHeight?
What is offsetHeight, clientHeight, scrollHeight? question is common among all developers & designers. To find the dimensions and size of
![PHP Interview Questions [1 – 10]](https://www.gtechhub.com/blog/wp-content/uploads/2020/06/flat550x550075f-1-458x480-1.jpg)
PHP Interview Questions [1 – 15] you should know
Given below is the list of most popular PHP interview questions which are commonly asked in the interviews. PHP Interview
How to Generate random number in Linux
How to generate random number in Linux? You can easily generate random numbers with the custom limit range by using
Delete / Remove User account in Linux – userdel
How do I delete / remove user account from my server? How do I delete a user account under Linux
PHP add days to current date
PHP add days to the current date is very easy and follows this article. I will guide you to add
How to get query string values / URL Parameters in JavaScript
How to get query string values / URL Parameters in JavaScript? URLs parameters are the easiest way to pass the
How to disable apache modules? (a2dismod)
How to disable apache modules? question is very common among system administrators. You can easily disable unwanted apache / apache2
mysql_num_rows – Get number of rows in MySQL result handle
Get number of rows in MySQL result handle, follow the simple process mentioned below. The mysql_num_rows() function returns the number
How to remove / Uninstall postfix from Ubuntu
Postfix is a free and open-source mail transfer agent that routes and delivers electronic mail. To remove postfix package completely
How to enable / disable / deactivate user account in Samba server – smbpasswd
Samba server is a free software of Server Message Block networking protocol. Mainly used for sharing files and print services