To use apt-get with a specific IP transport (IPv4 or IPv6) on Ubuntu, Debian, or Mint Linux, you can modify the default configuration file at /etc/apt/apt.conf.d/00apt-transport-https to include the following line: Acquire::ForceIPv4 “true”; # For IPv4 Acquire::ForceIPv6 “true”; # For IPv6 Note that only one of the above lines should be uncommented, depending on whether … Read more
To run multiple SSH commands on a remote machine and exit safely, you can use the following method: Connect to the remote machine using the following syntax: ssh user@remote-host Replace “user” with your username on the remote machine and “remote-host” with the hostname or IP address of the remote machine. Once you are connected, you … Read more
To set the locales (i18n) on a Linux or Unix system, you need to follow these steps: Generate the locale definition files for the desired locales by running the following command as root: locale-gen locale_code Replace “locale_code” with the desired locale code, for example “en_US.UTF-8”. Set the system’s default locale by editing the “/etc/locale.conf” file … Read more
To wake up a backup NAS server and mirror files using Rsync in Linux, you can use the following steps: Ensure that the backup NAS server is set up to be awakened by Wake-on-LAN (WOL) packets. This can be done in the BIOS or network settings of the backup NAS server. On the Linux machine, … Read more
To install curl on Debian Linux 11/10/9/8, you can use the following steps: Update the package list by running the following command: sudo apt update Install curl by running the following command: sudo apt install curl Verify the installation by checking the version of curl with the following command: curl –version This should display the … Read more
To find the serial number of an HP network printer using a bash shell on Linux or Unix, you can use the “hp-info” command-line tool that is part of the HPLIP (HP Linux Imaging and Printing) package. Install the HPLIP package by running the following command: sudo apt-get install hplip Run the following command to … Read more
To install and configure APC UPS (Uninterruptible Power Supply) for power management on a FreeNAS system, follow these steps: Connect the APC UPS to the FreeNAS system using a USB cable. Log in to the FreeNAS web interface and go to the System → Settings → UPS section. In the UPS section, click the “Add” … Read more
To find the SATA link speed of a hard disk on a FreeBSD system, you can use the following steps: Open a terminal window. Run the following command to view information about the storage devices attached to the system: dmesg | grep SATA Look for the line that contains the information about the hard disk … Read more
To change the user and group ID of all files owned by a specific user on Linux, you can use the chown command with the -R (recursive) option. Here’s an example: Open a terminal window. Run the following command to change the user ID (UID) of the user olduser to newuser: sudo chown -R newuser: … Read more
The dd command is a powerful tool for creating disk images on Mac OS X. Here’s how to use it: Open Terminal. Insert the source disk (e.g. a USB drive) that you want to create an image of. Run the following command to list the available disk devices: diskutil list Identify the source disk by … Read more