Posts

Boot security

Password security

Process and device isolation

Users, Accounts, Passwords, SU and SUDO

Printing

Scripting essential

Basic network troubleshooting steps

Transferring files: FTP, SSH, SCP

Web operations: WGET, CURL

Networking utilities and tools: DNS and addresses

Introduction to networking: IP, DNS, Network Managers

Manipulating text utilities: TR, TEE, WC, CUT

Searching patterns inside files: GREP, STRINGS

Manipulating texts like a spreadsheet: AWK

Manipulating texts and lines: SORT, UNIQ, PASTE, JOIN, SPLIT

Filtering and transforming texts via stream editing: SED

Bash keyboard shortcuts

Commands history and recalling

Environment variables

Users and Groups

Simulating a command execution

Manipulating texts: ECHO and CAT

Backing Up and compressing

Comparing files and updating them via PATCH

Filesystem architecture