linux▌

Expert-guided triage and resolution for Debian Linux system issues using apt, systemd, and AppArmor. \n \n Diagnoses problems across package management, service health, and security policies with Debian-native tools \n Provides step-by-step triage plans using systemctl , journalctl , apt , and dpkg with copy-paste-ready commands \n Includes verification steps after remediation and rollback guidance for safe recovery \n Accounts for AppArmor and firewall considerations in troubleshooting workflow

Essential Bash/Linux terminal patterns for command chaining, file operations, process management, and scripting. \n \n Covers operator syntax ( ; , && , || , | ), file operations ( ls , find , grep , tail ), and process management ( ps , kill , lsof ) \n Includes text processing tools ( grep , sed , awk , cut , sort ) and network commands ( curl , nc , ifconfig ) \n Provides script templates with error handling ( set -e , set -u , set -o pipefail ) and cleanup patterns using trap \n In

Use this skill to turn a cloud server into a safely reachable web host without leaning on stale distro-specific memory or outdated Debian-10-era tutorials.

Diagnose and resolve Arch Linux issues with pacman, systemd, and rolling-release best practices. \n \n Provides step-by-step triage plans using systemctl, journalctl, and pacman to identify root causes \n Delivers copy-paste-ready remediation commands with verification steps after each major change \n Addresses kernel updates, reboot considerations, and rollback procedures for safe recovery \n Accepts optional system snapshots and constraint inputs to tailor diagnosis to your environment \n

Diagnose and resolve CentOS issues with RHEL-compatible commands and SELinux awareness. \n \n Confirms CentOS release type (Stream vs. legacy) and provides triage steps using systemctl, journalctl, dnf/yum, and log inspection \n Includes copy-paste-ready remediation commands with verification steps after each major change \n Addresses SELinux policies and firewalld configuration as part of troubleshooting workflow \n Provides rollback and cleanup procedures to safely revert changes \n

Detect kernel-level rootkits in Linux memory dumps using Volatility3 linux plugins (check_syscall, lsmod, hidden_modules), rkhunter system scanning, and /proc vs /sys discrepancy analysis to identify hooked syscalls, hidden kernel modules, and tampered system structures.

Linux privilege escalation involves elevating from a low-privilege user account to root access on a compromised system. Red teams exploit misconfigurations, vulnerable services, kernel exploits, and w

Capture screenshots of the desktop or specific applications, with options for saving locations and modes.

Provide production-ready shell script templates for common Linux system administration tasks including backups, monitoring, user management, log analysis, and automation. These scripts serve as building blocks for security operations and penetration testing environments.

Provide production-ready shell script templates for common Linux system administration tasks including backups, monitoring, user management, log analysis, and automation. These scripts serve as building blocks for security operations and penetration testing environments.