Ubuntu Commands and Tips #2

Memo - commands and tips in ubuntu


1. Network setting on ubuntu : when you can't connect lan(wired) network
- open follows

$ sudo gedit /etc/network/interfaces

- text in file

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface

auto lo
iface lo inet loopback

- case1_auto : add as follows under text in file

auto eth0
iface eth0 inet dhcp

- case2_manual : add as follows

auto eth0
iface eth0 inet static
        address 192.168.0.2
        netmask 255.255.255.0
        gateway 192.168.0.1
        dns-nameservers ~~~~~

- save and network restart

$ sudo ifdown eth0
$ sudo ifup eth0

ref : http://blog.iolate.kr/89
ref : http://promobile.tistory.com/300


2. Error : " ubuntu wired network unmanaged "
- open follows

$ sudo gedit /etc/NetworkManager/NetworkManager.conf

- file contains, set "managed=true"

[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

- save and restart network manager

$ /etc/init.d/network-manager restart

ref : https://wishkane.wordpress.com/2013/07/11/ubuntu-network-manager-wired-networks-are-unmanaged/


3. Activate workspaces
- System Settings -> Appearance -> Behavior

- check "Enable workspaces"


4. 우분투 한글 및 한글 키보드 설정
- System Setting -> Language Support -> Language Support install

- System Setting -> Text Entry -> 왼쪽 하단에 '+'를 이용해서 'Korean(Hangul)' 이라고 되어있는 항목을 추가
(되도록이면 영어 - 한국어 순으로 설정)

- System Setting -> Keyboard -> Shortcuts -> Typing -> Compose Key를 'Disabled'에서 'Right Alt'로 변경

- terminal에 아래의 내용을 입력 (한/영 키 사용 위함)

$ sudo apt-get install dconf-editor

- 설치가 완료되면 org -> gnome -> desktop -> wm -> keybindings -> switch-input-source의 값을 'Hangul'이라고 입력