Linux thro practical, real-world scenario-L1

This course addresses fundamental operations and is designed to prepare individuals for a role as an L1 Linux Engineer.

Topics covered, but not limited to

• The Linux File System
• Absolute vs. Relative Paths. Walking through the File System (pwd, cd, tree)
• The LS Command In-Depth (ls)
• Understanding File Timestamps: atime, mtime, ctime (stat, touch, date)
• Viewing Files (cat, less, more, tail, head, watch)
• Creating Files and Directories (touch, mkdir)
• Copying, Moving, Renaming, and Deleting Files and Directories (cp, mv, rm, shred)
• Working With Pipes in Linux (|, wc)
• Command Redirection (>, >>, 2> &>, cut, tee)
• Finding Files and Directories (locate, find, which)
• Find and Exec
• Searching for String Patterns (grep, strings)
• Comparing Files (cmp, diff, sha256)
• The VIM Editor In Depth
• Compressing and Archiving Files and Directories (tar, gzip, bzip2)
• Hard and Symbolic Links. The Inode Structure
• User Accounts Management
• Understanding passwd and shadow files
• Understanding Linux Groups (groups, id)
• Creating, Changing, and Removing User Accounts User Accounts (useradd, usermod, userdel)
• Group Management (groupadd, groupdel, groupmod)
• User Account Monitoring (whoami, who am i, who, id, w, uptime, last)
• Linux File Permissions
• Octal (Numeric) Notation of File Permissions
• Changing File Permissions (chmod)
• Changing File Ownership (chown, chgrp)
• Understanding SUID (Set User ID), SGID (Set Group ID), and the Sticky Bit
• Umask
• Understanding Files Attributes (lsattr, chattr)
• Linux Process Management
• Processes and The Linux Security Model
• Listing Processes (ps, pstree, top, htop)
• Signals and Killing Processes (kill, pkill, killall, pidof)
• Foreground and Background Processes
• Job Control (jobs, fg, bg)
• Networking on Linux
• Getting Information and configuring the Network Interfaces (ip, ifconfig, route)
• Testing and Troubleshooting Network Connectivity
• Using, Troubleshooting, and Securing SSH (sshd)
• Copying Files Over the Network (scp)
• Synchronizing Files and Directories using rsync
• Using wget
• Checking for Listening Ports (netstat, ss, lsof, telnet, nmap)
• Software Management
• DPKG (Debian and Ubuntu Based Distros) and APT
• DNF (RedHat-Based Distros)

Linux Training | Linux Trainer | Red Hat Enterprise Linux | RHEL | Learn Linux | Linux Expert | Linux Advanced level | L1 L2 L3 Linux Engineer