Some notes and tips&tricks about system administration

• Notes about Arch Linux packages
  • Building packages
  • Yaourt, pacaur and trizen
  • Debug build
• Bluetooth on Linux
  • Introduction
  • Connecting an Android phone to a laptop using Bluetooth
• Some information of Debian systems
  • Debian post-installation commands
  • APT configuration
  • Apache commands
  • Postfix configuration
• Build a development environment for Debian
  • Compile a Debian package in debug mode
  • Set up your own Debian repository
  • Package a Python library for Debian
  • Test patches in git code with a clean package
• GDB, The GNU Project Debugger
  • Starting GDB
  • Basic commands
  • Analysis commands
  • Remote debug
  • Using core dumps
  • Debug options for compilation
  • Documentations
• Installing a Linux system
  • Booting a live media to a live system
  • Partitioning the disks
  • Installing a base system
  • Configuring the base system before the first boot
  • The last installation step
• Linux NAT router
  • Network architecture
  • Persistent configuration
• Network configuration
  • IPv4 configuration
  • IPv6 configuration
  • DNS configuration
  • Systemd network configuration
  • Broadcast ping
  • Link-layer ping
• Kernel Network Console (netconsole module)
  • Dynamic configuration
  • Firewall configuration
  • Documentation links
• Using perf on Linux
  • Introduction
  • Usage
  • Flame Graphs
  • Documentation
• Configure a server to handle network boot (PXE)
  • Example
  • Debian network installation
• QEmu-KVM notes
  • Simple QEmu invocation commands
  • Networking
  • QCow2 format and virtual disk usage
  • NFS configuration
  • 9p shared directory
  • Interaction based on Unix sockets
  • Other QEmu options
  • QEmu-static chroot
  • Libvirt integration
  • Web links
  • A quick glance at Docker
• Qubes OS setup
  • Useful commands
  • Installation
  • Additional software
  • Documentation
  • RPC Architecture
  • Nested Virtualization
• Configuration tweaks on a Raspberry Pi
  • Raspbian installation
  • Post-install configuration
  • Networking
  • Enable IPv6
  • Some useful system information
  • Playing videos
• Remote Desktop on Linux
  • X11 principles
  • Remote X11
  • Remote Desktop
• Some notes about my SELinux installation
  • Install a strict policy
  • Use run_init as root without a password
  • Fix /tmp labeling
  • Configure SELinux booleans
  • Fix labels for files in /home
  • Generate interface file for audit2allow -R
  • Activate some SELinux modules
  • Allow staff_u to read /root when running sudo
  • Export local configuration done with semanage
  • Bugs still present in October 2014
• Sound Configuration
  • MPD and PulseAudio
  • Network
• systemd configuration
  • Logging: syslog and journald
  • Logging: audit logs and journald
  • Write journal on tty
  • Configure timers (and remove cron)
  • Automatically create a bridge interface
• Use tmpfs for some directories
  • /tmp
  • $HOME/.cache
  • Yaourt build dir on ArchLinux
  • Other directories
• Traffic shaping
  • Egress shaping (limiting outbound traffic)
  • Delay
  • HTTP server outbound traffic shaping
  • Make downloads slow
• User management on Linux
  • Add a new user
  • Add an existing user to groups
• Wireshark: analyzing HTTPS traffic