Rahul Sahu

To increase the maximum upload size to 100 MB in PHP running on Apache, you can follow these steps: Open the PHP configuration file: sudo nano /etc/php/7.x/apache2/php.ini Change the following values: upload_max_filesize = 100M post_max_size = 100M Save and close the file. Restart Apache: sudo systemctl restart apache2 The maximum upload size has now been … Read more

You can use LXD (Linux containers) in a shell script to create a virtual machine (VM) when a cloud instance launches by following these steps: Install LXD: sudo apt-get update sudo apt-get install lxd Initialize LXD: sudo lxd init Create a new container: sudo lxc launch ubuntu:18.04 <container_name> Create a shell script to launch the … Read more

To disable the fast mirror plugin in a CentOS Linux server, you can follow these steps: Open the Yum configuration file: sudo nano /etc/yum/pluginconf.d/fastestmirror.conf Change the enabled setting to 0: [main] enabled=0 Save and close the file. Update the Yum cache: sudo yum makecache The fast mirror plugin is now disabled, and Yum will no … Read more

To install GoAccess web log analyzer with Nginx on Linux or Unix, you can follow these steps: Install GoAccess: sudo apt-get update sudo apt-get install goaccess Install Nginx: sudo apt-get update sudo apt-get install nginx Configure Nginx to log access data: Edit Nginx’s nginx.conf file and add the following log format to the http block: … Read more

You can run multiple commands as sudo by separating the commands with a semicolon (;) or by using a shell script. Using semicolon: sudo command1 ; sudo command2 ; sudo command3 Using a shell script: Create a shell script with the commands you want to run, make it executable and then run it with sudo: … Read more

To update and upgrade Pi-hole on an Ubuntu/Debian Linux server with OpenVPN, you can follow these steps: Connect to your OpenVPN server: sudo openvpn –config client.ovpn Update the package lists: sudo apt-get update Upgrade the installed packages: sudo apt-get upgrade Update Pi-hole: sudo pihole -up Note: The exact commands may vary depending on your setup … Read more

You can run commands in parallel in the bash shell using the “&” operator to run a command in the background, and the “wait” command to wait for all background jobs to complete. For example: # Run command1 in the background command1 & # Run command2 in the background command2 & # Wait for all … Read more

In Alpine Linux, you can install the logrotate package using the apk package manager: $ apk add logrotate Once logrotate is installed, you can configure it by editing the /etc/logrotate.conf file. This file contains the global options for logrotate, such as the default rotation interval and the default compression method. For example, to rotate logs … Read more

In Alpine Linux, you can install man pages for packages using the apk package manager. To install the man pages for a specific package, you can use the following command: $ apk add <package_name>-doc Replace <package_name> with the name of the package for which you want to install the man pages. For example, to install … Read more

You can search for packages in Arch Linux using the pacman package manager. To search for a specific package, you can use the following command: $ pacman -Ss <package_name> Replace <package_name> with the name of the package you’re searching for. The -Ss option tells pacman to search for packages that are either installed or available … Read more