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Notes

Ubuntu

nicholaswilde/notes

Ubuntu¶

1: https://ubuntu.com/server/docs/network-configuration ¶

sudo hostnamectl set-hostname <hostname>

Perform a Distrubution Upgrade ¶

sudo do-release-upgrade -d

Screen on WSL ¶

mkdir ~/.screen && chmod 700 ~/.screen

~/.bashrc

export SCREENDIR=$HOME/.screen

Remove Snap ¶

(
  sudo umount /var/snap
  sudo apt purge snapd
  sudo rm -rf ~/snap /snap /var/snap /var/lib/snapd
)

An upgrade from 'hirsute' to 'jammy' is not supported with this tool ¶

Reading cache

Checking package manager

Can not upgrade 

An upgrade from 'hirsute' to 'jammy' is not supported with this tool.

script.sh

#!/bin/bash
echo "Updating"
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get dist-upgrade -y
echo "Bypass check"
sudo sed -i 's/continue/pass/g' /usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py
echo "Upgrade distro"
sudo do-release-upgrade

chmod +x script.sh && ./script.sh

Ubuntu – apt-get update fails “The repository no longer has a Release file”¶

sudo apt update
Err:6 http://archive.ubuntu.com/ubuntu eoan Release
404 Not Found [IP: 91.189.88.142 80]

# backup your sources file
cp /etc/apt/sources.list /etc/apt/sources.list.bak 

# replace the links with the archive address
sudo sed -i -re 's/([a-z]{2}.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list

# run update again
sudo apt update && sudo apt dist-upgrade

Auto Retart Daemons during Update ¶

sudo sed -i 's/#$nrconf{restart} = '"'"'i'"'"';/$nrconf{restart} = '"'"'a'"'"';/g' /etc/needrestart/needrestart.conf

User Groups ¶

usermod -a -G adm,cdrom,lpadmin,sudo,sambashare,dip,plugdev nicholas

Autocomplete Directories ¶

export CDPATH=foo

Apt Cacher NG ¶

Server¶

# /etc/apt-cacher-ng/acng.conf
PassThroughPattern: .*
CacheDir: /mnt/storage/apt-cacher-ng

systemctl restart apt-cacher-ng

Client¶

echo "Acquire::http::Proxy \"http://aptcache.nicholaswilde.io:3142\";"| sudo tee /etc/apt/apt.conf.d/00aptproxy