IT hands-on

Systemd uses .service files to get information about how to start processes, independencies and other parameters. We will create a service file called

To diagnose a slow starting system, we could use a systemd tool called -  systemd-analyze - as follow: It shows us the list of processes that start at b

To list the services running on a system using the systemd commands, we could use the below command: Our services displayed above could have one of the

The below example will list all the files that start with a letter, has a digit and ends with an underscore: The below example will match any file star

To start using a different existing account in Linux , we could switch to another user through the below command: We switch to a user_name , but we keep

We have a partition -  /dev/sda2  - that we want to mount on the mountpoint - /media/backup - as below, but we get a error message: The below command tell

LVM - logical volume manager - offers up the flexibility: to grow a storage space to have a storage space that can spam multiple disks to combine several

Below is a simplified diagram of the boot process of a Linux system: <i> Remark:</i><i></i> The UFEI is the new version of the BIOS and the GPT is the new version of t

By adding an ampersand -  & - character to a command, we tell Linux to run it in the background and return to the shell prompt, allowing us to use

To monitor the disk usage for our mounted filesystems, we could use the below command: -h : outputs the results in  human-readable format -<i>  gigabyte or

To check that a USB flash drive was recognized by a Linux system, we use the " lsusb " command: To show the disks and their partition, we could