Ubuntu 操作整理

這是本文件的舊版！

Exp. 設定 hostname 為 iServStorM1

sudo su -
vi /etc/hosts

127.0.0.1       localhost
127.0.1.1       iServStorM1
:

vi /etc/hostname

iServStorM1

hostname -F /etc/hostname

參考網址 -
- http://computer.jges.mlc.edu.tw/index.php/ubuntu/112-ubuntu-14-04-%E8%A8%AD%E5%AE%9Ahostname

sudo apt-get install --no-install-recommends ubuntu-desktop

參考網址 -
- http://www.arthurtoday.com/2012/11/ubuntu-server-install-unity-gui.html

System Journal Logs Ref - https://ubuntuhandbook.org/index.php/2020/12/clear-systemd-journal-logs-ubuntu/

查看目前已使用空間

root@demo-77:/var/log/journal/4ad9885bb19142118fd758b3be95057e# journalctl --disk-usage
Archived and active journals take up 4.0G in the file system.

即時清除保留兩天

root@demo-77:/var/log/journal/4ad9885bb19142118fd758b3be95057e# journalctl --rotate
root@demo-77:/var/log/journal/4ad9885bb19142118fd758b3be95057e# journalctl --vacuum-time=2days
:
root@demo-77:/var/log/journal/4ad9885bb19142118fd758b3be95057e# journalctl --disk-usage
Archived and active journals take up 16.0M in the file system.

設定最多使用空間 Exp. 500M