Administration

• Apache
  • SSL
• Debootstrapping and Chrooting
  • Prerequisites
  • Debootstrap
  • Mounting and Unmounting
  • Chrooting
  • After Reboot
• Debian
  • Releases
  • Hostname
  • Git 1.9 on Debian Wheezy
  • Debian Locale
  • Python 2.6 On Debian Lenny
  • Exim 4 for outgoing Mail
• Gitolite
• GRUB
  • How to fix GRUB
• Multi Boot With Grub 2
• How to Upgrade Debian / Ubuntu
• Ubuntu Kernel Cleanup
• Logstash
  • Elasticsearch
• LXC (LinuX Containers)
  • Create
  • Status / Management
  • Run
  • Base Container
• Email (Postfix)
  • SPF, DKIM, DMARC
• Munin
• NetworkManager dnsmasq
  • Troubleshooting
  • Debugging
  • Notes
• Nginx
  • How To Build Nginx on Ubuntu 12.04
  • Installing StartCOM SSL Certificates
  • Disabling SSLv3 against Poodle
  • Links
• Prometheus
  • Installing Prometheus and Grafana
  • Monitoring Pods in k8s using Prom Helm Chart
• Puppet on Ubuntu 12.04 LTS
  • Puppet Agent
  • Restarting a Virtual Machine That Is Signed
  • Further Reading
  • Sources
• Soft Raid 1 on Ubuntu 12.04 with GPT disks
  • Create Partitions
  • Setup RAID1
  • Encrypt RAID device
  • Setup LVM
  • Format File System And Mount
  • Extend
  • Open after Reboot
  • Open multiple devices with one keyfile
  • Share
  • Troubleshooting
• Saltstack Configuration Management
  • Troubleshooting
• SSL
  • Let’s Encrypt / Certbot
  • Check a Certificate
  • Self-Signed (for development)
  • Add a new CA to your trusted CAs
  • Remove Passphrase From Cert File
• SystemD
  • Rants
• Installing Kubuntu 14.04 on a USB Drive with Debootstrap
  • Your Skills
  • Prerequisites
  • Partitioning
  • Formatting
  • Mounting and Unmounting
  • Debootstrap
  • Chrooting
  • Making It Bootable
  • Troubleshooting
  • Further Reading
• Installing Xubuntu 20.04 on a USB Drive with Debootstrap
• Your Skills
• Prerequisites
• Partitioning
• Formatting
  • Tune2fs
  • Check Partitions and get UUIDs
• Mounting and Unmounting
• Debootstrap
  • New Hostname
  • Fstab
  • Root UUID
• Chrooting
  • Configuring the Boot Loader
• Troubleshooting
  • Warning: The driver descriptor says the physical block size is 2048 bytes, but Linux says it is 512 bytes.
  • Error: /dev/sda: unrecognised disk label
• VirtualEnv Init.d Scripts the Easy Way
• VirtualBox
  • First Steps
  • Mounting Shared Folders
  • Block Device to VM
  • Static IP on Linux Host
  • IP Address in /etc/issue
  • Headless Guest
  • Resize Disk
  • Compact Disk
  • vboxmanage Cheat Sheet
  • USB-Stick to Virtual Machine
  • Windows 8 Guest Screen Resolution
  • Xen Partition Image to Virtualbox
  • Troubleshooting
• Virtualenv Upstart Instead of Init.d Scripts
  • Trac Gunicorn Upstart
• Connecting to WPA2-Encrypted Networks
  • Hardcore Manual Way
  • Using Debian’s ifup/down
• WPA2 Without Network Manager
  • Some Hints