Linux

To list all the ini configuration files loaded with PHP in command line, you have to type the command:

php --ini

All the configuration files will be listed. ex :

Here are the configurations to prevent search engines (Google, Bing, etc.) from indexing all websites on your server using global configuration for both web servers Apache and Nginx:

Prevent search engines indexing in Apache

Add the following line in httpd.conf or apache2.conf:

As a Linux user or administrator, you often need to track file changes—whether to debug an application, monitor system activity, or investigate a security breach. The find command is a powerful tool for this, and one of its useful options is -ctime n, which helps locate files modified within a specific timeframe.

When connecting to a Linux server, we need to know the name of the running Linux distribution, its version number, and the kernel version number.

This is often done to determine:

To compress a directory in Linux you can use the zip command:

zip -r output_file.zip folder

You can compress multiple directories too by adding the folders' names :

zip -r output_file.zip folder1 folder2 folder3

To decompress the zipped file, use the command unzip:

To compress a directory in Linux, you can use the tar command:

tar -zcvf file.tar.gz folder

To exclude a specific folder or files, use the –exclude= option with the folder name:

tar -zcvf file.tar.gz –exclude='temp' –exclude='node_modules' folder

To decompress a file, use the -x option:

To get information about the total and available space on the Linux file system, you can use the df command.

df

The df command displays information about all mounted filesystems, including total size, space used, percentage usage, and mount point:

To search for a specific text on a Linux system, the grep command can be used according to the following syntax:

grep -iRl "text_to_search" ./

The basic parameters are:

• i: ignore text case (uppercase or lowercase)
• R: search recursively in subfolders files
• l: show file names instead of parts of the file contents

The folder path to be searched is specified last.