Jan 15, 2015 Tag: Ubuntu

Looking for wisdom about Ubuntu

Ongoing attempt to collect clever stuff about Ubuntu. Will be updated as needed.

Updated on Oct 15, 2018

Overview

Bionic Beaver 18.04

What to do

Anacron

  • Read (de): https://dr-luthardt.de/linux.htm?tip=anacron

  • Add to /etc/anacrontab:

    # added by marble
    @daily  0  create-etc-list-of-installed-packages  dpkg -l | grep ^ii | awk '{print $2;}' >/etc/list-of-installed-packages.anacron.txt
    

Install

sudo apt install etckeeper git joe ncdu qrencode (for .password-store, pass) silversearcher-ag zsh

Install - What packages do I have installed?

Flatpak

See what you can get: https://flathub.org/home

Fedora flatpak support:

sudo apt install gnome-software-plugin-flatpak
sudo add-apt-repository ppa:alexlarsson/flatpak
sudo apt update
sudo apt install flatpak

Use flatpak:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub cc.arduino.arduinoide

Gvim

  • Use the softwarecenter
  • or: sudo apt-get install vim-gtk3

shutter as screenshot tool

  • Install shutter
  • The standard functionality for the ‘print’ key can’t be disabled. So change the key combintation to ‘super+print’.
  • Add own key combination ‘print’ for command shutter -s -c -e

Snap

snap list
snap df
snap search arduino
snap install arduino-mhall119
snap refresh

Use sshfs to mount files of previous machine

# Ubuntu Bionic Beaver 18.04
sudo apt update
sudo apt install sshfs
sudo /mnt/t203
# mount
sudo sshfs -o allow_other,IdentityFile=/home/marble/.ssh/id_rsa marble@192.168.1.203:/home/marble /mnt/t203
# unmount
sudo umount /mnt/t203

oh-my-zsh

  1. Install zsh: sudo apt install zsh

  2. Read: https://github.com/robbyrussell/oh-my-zsh

  3. Run non-sudo:

    sh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"
    

Common tasks

SSH

Remove identity from key keeper

ssh-add -D   # Delete all identities (from key keeper)
ssh-add -D   # Delete identity       (from key keeper)
ssh-add -l   # List fingerprints of all identities
ssh-add --help
ssh-add -t 3600  # set lifetime for already stored keys to 1 hour

Issues

Keyboard entry

Keywords: unicode, kbd, keyboard, compose, composekey

Look at the complete table:

  • see user table: less ~/XCompose
  • see system table (scroll down!): less /usr/share/X11/locale/en_US.UTF-8/Compose

About keys and keyboard layouts:

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