Best/Tutorial

To enable an rc.local shell script on a systemd-based Linux system during boot, you can follow these steps: Create a file named “rc-local.service” in the “/etc/systemd/system” directory. Open the file in your text editor and paste the following content: [Unit] Description=/etc/rc.local compatibility [Service] Type=forking ExecStart=/etc/rc.local start TimeoutSec=0 StandardOutput=tty RemainAfterExit=yes SysVStartPriority=99 [Install] WantedBy=multi-user.target Make the file … Read more

To install VirtualBox on Ubuntu 20.04 LTS, follow these steps: Add the VirtualBox repository to your system by running the following command in the terminal: sudo add-apt-repository “deb [arch=amd64] https://download.virtualbox.org/virtualbox/debian focal contrib” Download and add the Oracle public key for apt-secure using the following command: wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add – Update … Read more

To install MySQL Server on Ubuntu 20.04 LTS Linux, follow these steps: Open the terminal by pressing “Ctrl + Alt + T” or by searching for “terminal” in the start menu Run the command “sudo apt update” to update the package list Run the command “sudo apt install mysql-server” to install MySQL Server After the … Read more

The “shutdown -r now” command is used to safely reboot a CentOS or RHEL server. The “-r” flag indicates that the system should reboot after shutting down all processes. The “now” argument tells the system to initiate the shutdown and reboot immediately. Before running the command, it’s a good practice to check if there are … Read more

Here are the general steps to write a FreeBSD image to a USB disk using the dd command: Insert the USB drive into your computer Determine the device name of the USB drive by running the command lsblk. The device name will be something like /dev/da0 or /dev/sdb. Be very careful to select the correct … Read more

To fix the “firmware: failed to load iwlwifi-8265-36.ucode” error when configuring Intel WiFi on Debian Linux, you can try the following steps: Make sure that the non-free firmware package is installed by running apt-get install firmware-iwlwifi If the package is already installed, try reinstalling it by running apt-get –reinstall install firmware-iwlwifi If step 1 and … Read more

To install the Brotli module for Nginx on OpenSUSE, you will need to first add the Nginx repository to your system by running the following command: sudo zypper addrepo -f https://nginx.org/packages/opensuse/15/x86_64/ nginx Then, you can install the Nginx package with the Brotli module included by running: sudo zypper install nginx-module-brotli After that, you will need … Read more

Here are the general steps to set up a VNET jail on FreeBSD 12 using ZFS: Create a ZFS dataset for the jail: zfs create -o mountpoint=/jails zpool/jails/jailname Create the jail with VNET enabled: jail -c name=jailname host.hostname=jailname vnet vnet.interface=igb0 Install the base system in the jail: jail -m path=/jails/jailname name=jailname /usr/sbin/jail -i Configure the … Read more

In Bash, you can declare a Boolean variable using the declare or typeset command, followed by the variable name and the value. For example, to declare a variable called “flag” and set it to true, you would use the following command: flag=true You can also use the -g option to make the variable global and … Read more

To fix the “firmware: failed to load iwlwifi-8265-36.ucode” error when configuring Intel WiFi on Debian Linux, you will need to install the firmware-iwlwifi package. Try running the following command as root: apt-get update && apt-get install firmware-iwlwifi Then reboot the system. Alternatively, you can download the package from the official Debian package repository and install … Read more