Accélérer Ubuntu

 https://www.fossmint.com/speed-up-ubuntu-linux/

Enlever la traduction des paquets

 /etc/apt/apt.conf.d/00aptitude
 Acquire::Languages "none";

 root@phoenix:/home/mariano/Bureau# time apt update
 Réception de:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [83,2 kB]                     
 5 465 ko réceptionnés en 10s (543 ko/s)                                                                  
 real	0m54,095s
 user	0m8,399s
 sys	0m0,755s
 root@phoenix:/home/mariano/Bureau# emacs   /etc/apt/apt.conf.d/00aptitude
 root@phoenix:/home/mariano/Bureau# apt-get clean
 root@phoenix:/home/mariano/Bureau# time apt update
 real	0m31,661s
 user	0m5,001s
 sys	0m0,578s

Gérer les effets graphiques Compiz

 apt-get install compizconfig-settings-manager
 ccsm