ZachOperating System Navigation
Terminal Commands: Learn basic commands like ls, cd, pwd, cp, mv, rm, and mkdir to navigate and manipulate the file system.
Desktop Environment: Understand different desktop environments (GNOME, KDE, Xfce) and how to navigate them.
File System
File System Hierarchy: Familiarize yourself with the Linux file system structure, including directories like /home, /etc, /var, /usr, and /root.
File Permissions: Learn about file permissions and ownership, including commands like chmod, chown, and chgrp.
System Monitoring and Management
Process Management: Use commands like ps, top, htop, kill, and nice to manage system processes.
System Logs: Understand how to view and manage system logs using journalctl and log files in /var/log.
Hardware and Device Management
Device Management: Learn how to list and manage hardware devices using commands like lsblk, lspci, lsusb, and dmesg.
Disk Management: Use tools like fdisk, parted, and mkfs for partitioning and formatting drives.
Configuration and Settings
Configuration Files: Understand the role of configuration files in /etc and how to edit them using text editors like nano or vim.
Network Configuration: Learn basic network configuration using commands like ifconfig, ip, and nmcli.
Networking
Network Tools: Use tools like ping, traceroute, netstat, ss, and tcpdump for network troubleshooting.
SSH and Remote Access: Understand how to use ssh for secure remote access and manage SSH keys.
Security Features
User and Group Management: Learn how to create and manage users and groups using commands like useradd, usermod, groupadd, and passwd.
Firewall Management: Use ufw or iptables to configure and manage firewall settings.
System Updates and Package Management
Package Managers: Familiarize yourself with package managers like apt (for Debian-based systems), yum or dnf (for Red Hat-based systems), and pacman (for Arch-based systems).
System Updates: Learn how to update the system and manage software packages.
Backup & Recovery
Backup Tools: Understand how to use tools like rsync, tar, and dd for backups.
Recovery Options: Learn about system recovery methods and tools like grub and live CDs.
Virtualization
Virtualization Tools: Explore virtualization tools like VirtualBox, KVM, and Docker for creating and managing virtual machines and containers.
Software Installation & Removal
Installing Software: Use package managers to install and remove software packages. Source Installation: Learn how to compile and install software from source.
System Configuration and Management
Systemd: Understand system and service management with systemd commands like systemctl.
Cron Jobs: Learn how to schedule tasks using cron and crontab.
Command Line Interface
Shell Scripting: Get started with shell scripting to automate tasks.
Common Shells: Explore different shells like bash, zsh, and fish.
Security Policies and Practices
SELinux/AppArmor: Learn about security modules like SELinux or AppArmor and their configurations.
Audit Logs: Use auditd to monitor and log system activities.
Troubleshooting Tools
Diagnostic Tools: Use tools like strace, lsof, df, and du for system diagnostics and troubleshooting.