📅 7-Day Linux+ Crash Plan

Intensive 7-day review for CompTIA Linux+ (XK0-006) covering system management, security, scripting, containers, and troubleshooting.

About This Study Plan

This 7-day study plan breaks the LINUXPLUS (Linux+) exam preparation into 7 focused study sessions with 28 actionable tasks. The plan covers all 5 exam domains — System Management, Services and User Management, Security, Automation, Orchestration, and Scripting, Troubleshooting — ensuring complete coverage. Intensive 7-day review for CompTIA Linux+ (XK0-006) covering system management, security, scripting, containers, and troubleshooting.

7Study Sessions
28Total Tasks
5Domains Covered

Prerequisites

  • Basic Linux command-line experience
  • 5–7 hours per day

Study Schedule

Day 1System Management
  • Boot process: BIOS/UEFI, GRUB, systemd targets
  • Package management: apt, dnf, zypper, flatpak, snap
  • Disk management: fdisk, LVM, mount, fstab, file systems (ext4, XFS, Btrfs)
  • Process management: ps, top, kill, nice, systemctl
Day 2Users, Permissions & Networking
  • User/group management: useradd, usermod, /etc/passwd, /etc/shadow
  • File permissions: chmod, chown, SUID, SGID, sticky bit, ACLs
  • Networking: ip, ss, nmcli, firewalld, iptables/nftables
  • DNS resolution, DHCP client, and network troubleshooting
Day 3Security
  • SELinux and AppArmor: modes, contexts, troubleshooting
  • SSH hardening: key-based auth, config, port change
  • Firewall configuration: firewalld zones, iptables rules
  • Log analysis: journalctl, /var/log, rsyslog, auditd
Day 4Scripting & Automation
  • Bash scripting: variables, loops, conditionals, functions
  • Cron jobs and systemd timers for scheduling
  • Text processing: grep, awk, sed, cut, sort
  • Git basics: clone, commit, push, branch
Day 5Containers & Troubleshooting
  • Docker/Podman: images, containers, volumes, networks
  • Kubernetes basics: pods, services, deployments
  • System troubleshooting: boot failures, disk full, performance
  • Network troubleshooting: connectivity, DNS, firewall issues
Day 6Practice Exam
  • Take a full timed practice exam
  • Review all incorrect answers
  • Focus on command syntax and option flags
  • PBQ practice: command-line scenarios
Day 7Final Review
  • Command reference cheat sheet
  • SELinux vs AppArmor comparison
  • Quick flashcard pass
  • Rest before exam

Study Tips

💡

Linux+ is heavily command-line — know exact syntax and common flags.

💡

Practice in a real Linux VM, not just reading about commands.

💡

SELinux troubleshooting appears frequently — know how to diagnose denials.

Recommended CompTIA Study Resources

Supplement this study plan with the official CompTIA CertMaster labs and practice tests. Download the free exam objectives PDF from CompTIA's website and use it as a checklist — cross off each objective as you master it. Professor Messer's free video series covers every CompTIA exam objective and is widely regarded as one of the best free resources available.

Ready to Practice?

Put your study plan into action with Linux+ practice questions.

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