Overview

sysvint -(superceded by)-> upstard -(superceded by)-> systemd

• Awesome Selfhosted
• Awesome Sysadmin

SSH

• Transparent Multi-hop SSH

Tunnelling

ssh -f -N -L port1:server1:port2 server2

• -f - Run in background.
• -N - Don't execute commands.
• -L - Forward ports.

Fstab

• Introduction to fstab

Network

• nmap - Find all computers on your local network, and much more. GPLv2
• BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more. (Source Code) C++ / Python
• FlameGraph -
• ag
• sshuttle
• mitmproxy
• pythonpy

Shell

• click
• dataset

Process states

Uninterruptible sleep (D)

• One way to kill uninterruptible processes may be to flush linux VM cache.
• Kernel developers should implement TASK_KILLABLE.