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Installation de Ubuntu

Installation

If grub freeze in "APIC", "region" or "DMAR" stuff: in grub menu, cursor on ubuntu and type e. Add nouveau.modeset=0 at the end of linux... line and type F10 to launch.

The Updates and other software part, after selecting third parties, may take a while, juste wait ;)

Remove unused stuffs

Remove arabic and asian fonts

sudo apt purge fonts-kacst-one fonts-arphic-ukai fonts-arphic-uming 
sudo apt purge language-pack-zh-hans language-pack-zh-hans-base language-pack-zh-hant language-pack-zh-hant-base fonts-lao fonts-lklug-sinhala fonts-sil-abyssinica fonts-sil-padauk fonts-tibetan-machine fonts-thai-tlwg fonts-khmeros-core fonts-lohit-guru fonts-guru fonts-nanum fonts-noto-cjk fonts-takao-pgothic fonts-guru-extra fonts-tlwg-* fonts-beng* fonts-beng-extra* fonts-deva* fonts-deva-extra* fonts-gargi* fonts-gubbi* fonts-gujr* fonts-gujr-extra* fonts-kalapi* fonts-knda* fonts-telu fonts-pagul
sudo apt autoremove

Remove unused packages sudo apt purge brltty speech-dispatcher mlocate sudo apt autoremove

Install proprietary stuffs

Installer les principaux codecs multimédia propriétaires (mp3, flash, wmv, DVD, ...)

sudo apt install ubuntu-restricted-extras

Installer driver nvidia recommandé ici ubuntu-drivers devices

sudo apt install nvidia-driver-...
sudo prime-select intel

Move home

https://doc.ubuntu-fr.org/tutoriel/deplacer_home

Mount old drive and sync it in new home:

sudo mkdir /mnt/data
rsync -aAX /mnt/data/alban/ /media/alban/0426fc25-c176-485c-8300-7de2f3bff3f7/alban/

Switch in root mode and make / writable: sudo telinit 1 mount -o rw,remount /

Find the new filesystem fdisk -l blkid /dev/sdb3 >> /etc/fstab nano /etc/fstab

Modify line like UUID=0426fc25-c176-485c-8300-7de2f3bff3f7 /home ext4 defaults 0 2

Move old home et reboot: mv /home /home.bak mkdir /home reboot

Once eveyrthing is ok, remove old home: rm -rf /home.bak.

Note: Change personnal dirs in ~/.config/user-dirs.dirs

Install stuffs

sudo apt install meld git nextcloud-desktop clementine vlc python3.9-venv curlftpfs pdftk-java xournal imagemagick-6.q16 gimp docker-compose
sudo snap install pycharm-community --classic
sudo snap install zoom-client
newgrp docker
sudo usermod -aG docker $USER

Install DVD reader

sudo apt-get install ubuntu-restricted-extras
sudo dpkg-reconfigure libdvd-pkg
sudo reboot

Optimisation

Hide grub menu In sudo nano /etc/grub.d/30_os-prober, set quick_boot="0" In sudo nano /etc/default/grub, set GRUB_TIMEOUT=0. Then sudo update-grub.

https://askubuntu.com/questions/1166486/how-to-decrease-the-boot-time/1166492#1166492 sudo systemctl disable NetworkManager-wait-online.service

https://askubuntu.com/questions/1053150/nouveau-modeset0

Ubuntu audit

Boot stats:

systemd-analyze
systemd-analyze critical-chain
systemd-analyze blame

To see boot errors sudo dmesg -lerr