linux
Everything tagged "linux".
Cron Jobs notes 9 min 18 Jul 2026 Scheduled jobs run on a timer, often as root. Kernel Exploits notes 5 min 19 Jul 2026 When the cheaper privilege-escalation vectors (`sudo -l`, SUID, cron, credentials at rest) are exhausted, an old kernel is the fallback. LinEnum notes 1 min 19 Jul 2026 LinEnum is a classic bash privilege-escalation enumeration script. LinPEAS notes 1 min 18 Jul 2026 LinPEAS enumerates a Linux host for privilege escalation vectors and highlights the most promising findings by likelihood. Linux Capabilities notes 3 min 22 Jul 2026 Capabilities split root's power into fine-grained units that can be granted to a single binary. linux-exploit-suggester notes 2 min 05 Aug 2026 `les.sh` maps a kernel version to public local privilege escalation exploits and ranks them. Linux Groups notes 3 min 25 Jul 2026 A supplementary group is an access-control grant that nothing in the user's own home reflects. linux-smart-enumeration notes 1 min 19 Jul 2026 `lse.sh` (linux-smart-enumeration) enumerates a Linux host for privilege-escalation vectors, like [LinPEAS](/collections/oscp/linpeas) but quieter and ranked by verbosity level. pspy notes 2 min 25 Jul 2026 pspy watches process creation and scheduled jobs on a Linux host without root. Sudo notes 14 min 19 Jul 2026 `sudo` runs a program with another user's privileges, root by default. tmux notes 3 min 24 Jul 2026 Terminal multiplexer for the working environment. Linux Permissions notes 4 min 19 Jul 2026 Every Linux privilege escalation is an access-control violation, and access control in Linux is built on permissions. Privilege Escalation (Linux) notes 4 min 18 Jul 2026 Goal: turn a low-privilege shell into root. Credential Hunting notes 8 min 19 Jul 2026 A password reused by root is one of the cheapest escalations there is. SUID Binaries notes 12 min 18 Jul 2026 A SUID (SetUID) binary runs with the effective UID of its owner, not the user who launched it. Service Exploits notes 2 min 19 Jul 2026 A service is a program running in the background, accepting input or doing periodic work. Weak File Permissions notes 2 min 19 Jul 2026 Sensitive system files are protected by their permissions, not by secrecy. NFS no_root_squash notes 1 min 19 Jul 2026 NFS shares are exported from `/etc/exports`. Linux Cheat Sheet notes 1 min 27 May 2026 The Linux commands I keep looking up day to day: navigation, search, processes, services, and packages. Fed Fed Fedora journal 9 min 01 Nov 2025 A dying laptop, a Lenovo warranty saga, and Windows telling me my license only supports one display language pushed me to Fedora KDE. Notes on what worked, what broke, and a few things I didn't expect. Linux Foundations notes 5 min 04 Jan 2024 Components, distributions, the filesystem hierarchy, the shell, paths, redirection, and the permissions system.
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