You can test the network speed or throughput between two Linux servers using the iperf tool. Here’s how to do it: Install iperf on both servers: sudo apt install iperf (on Debian/Ubuntu) or sudo yum install iperf (on CentOS/Red Hat) On one of the servers, start iperf in server mode: iperf -s On the other … Read more
To add a new brick to a replicated GlusterFS volume on Linux, follow these steps: Ensure that the GlusterFS volume is stopped on the new brick node: systemctl stop glusterd Start the glusterd service on all other nodes in the trusted storage pool: systemctl start glusterd Add the new brick to the trusted storage pool … Read more
To secure Nginx with a Let’s Encrypt SSL certificate on Alpine Linux, you can use the certbot tool. Here are the steps: Install certbot: apk add certbot Obtain a SSL certificate: certbot certonly –standalone -d example.com Update Nginx configuration to use the SSL certificate: Add the following lines to the Nginx server block configuration file, … Read more
To install PHP 7 fpm on Alpine Linux, follow these steps: Update the package list: apk update Install PHP 7 fpm and dependencies: apk add php7-fpm Start the PHP 7 fpm service: /etc/init.d/php-fpm7 start Enable the PHP 7 fpm service to start automatically on boot: rc-update add php-fpm7 default Verify that PHP 7 fpm is … Read more
To install and set up Nginx on Debian Linux 9, follow these steps: Update the package list: sudo apt update Install Nginx: sudo apt install nginx Start Nginx: sudo systemctl start nginx Enable Nginx to start automatically on boot: sudo systemctl enable nginx Check the status of Nginx to ensure it is running: sudo systemctl … Read more
To rename a folder in Linux, use the “mv” command. The syntax is: mv old_folder_name new_folder_name For example, to rename a folder named “old_folder” to “new_folder”, run: mv old_folder new_folder (www.topskitchen.com)
To shutdown a remote Linux server from the command line, you can use the ssh command to remotely log into the server and then use the sudo command to run the shutdown command with the appropriate options. For example, to shutdown the remote server immediately, you can run the following command: ssh root@remote_server_ip ‘sudo … Read more
To test PHP 7 and WordPress MySQL/MariaDB database connectivity using a PHP script, you can use the following steps: Create a new PHP file with a .php extension, for example test.php Open the file using a text editor and add the following code: <?php $host = “hostname”; $user = “username”; $password = “password”; $dbname … Read more
To move/migrate an LXD virtual machine to another host, follow these steps: On the source host, stop the LXD container: lxc stop <container name> Export the container: lxc export <container name> <file name>.tar.gz Copy the exported tar archive to the target host: scp <file name>.tar.gz <user>@<target host IP address>:~/ On the target host, import the … Read more
To change the package mirror on OpenBSD, you can modify the ftp.conf file, which contains the URL of the package mirror. Here’s how to change the package mirror: Open the ftp.conf file: sudo nano /etc/installurl Change the URL in the file to the desired package mirror: http://ftp.openbsd.org/pub/OpenBSD Save the changes and exit the … Read more