using tar – removing compression leftovers and more
Alex A small but nice tip. Who doesn’t know it, you want to pack files on the system because they might take up too much space or or or or… Out…
2023
nmap and certificate check
There are countless ways to get information about the certificates of a site. Such as using curl and then grep the information or processing it with awk. A very simple…
Basic Editing in Vim
Entering and Exiting VimTo start using Vim, open a terminal or command prompt and type “vim” followed by the filename you want to edit. If the file doesn’t exist, Vim…
AWS Cloud Quest Game – Cloud Practitioner Badge
Since I am currently studying for the AWS Certified Cloud Practitioner certification, I looked around for suitable learning material.A very good source is AWS itself, namely Skillbuilder, where there are…
Linux Professional Institute (LPIC-1) – Linux Administrator
During my conversion as an IT specialist specializing in system integration, which took place from 2019 to 2021, I passed the two exams and received the Linux Professional Institute Level…
Exclude default PostgreSQL databases – postgres template0 template1
By default, PostgreSQL comes with three databases: <strong>postgres</strong>, <strong>template0</strong>, and <strong>template1</strong>. While these databases are useful for managing PostgreSQL itself, they may not be relevant most times to your application,…
How to use VIM – Command line mode
One of Vim’s key features is its ability to be used in command-line mode, which allows you to perform various operations on the text without using the traditional editing interface.…
How to use VIM – Different modes
One of the unique features of Vim is its different modes, which allow users to perform various tasks and operations. I will explain the different modes in Vim and how…