IT hands-on

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

A service mesh is the software that connects services and containerized applications that are running as pods . It also manages traffic control, the di

<b><i> Bock storage:</i></b> Bock storage manages data in blocks that are accessed using the iSCSI protocol for example. The end user accesses  block storage over the n

Below is a simple diagram that depicts the types of storage: <b style="text-align: left;"><i><b style="text-align: left;"><i></i></b> NAS - Network Area Network:</i></b> In file storage - NAS -, the computation overhead is embedded w

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

As I am currently preparing my home lab and I faced some networking issues with an arm64 deployment of Ubuntu and Docker, I now prefer to start from

DNS poisoning changes the HOSTS file - maps hostnames to addresses - . It works by changing an IP addresses to point to a malicious site instead of the

Linux devices - <i> disks, keyboards, terminals, ... </i> - exist as files in the in the " /dev " directory.  Devices can be refered to using their path