1、卸载软件
#卸载libreOfficesudo apt remove libreoffice-common#卸载amazonsudo apt remove unity-webapps-common#其他不常用软件sudo apt remove thunderbird totem rhythmbox empathy brasero simple-scan gnome-mahjongg aisleriot sudo apt remove gnome-mines cheese transmission-common gnome-orca webbrowser-app gnome-sudoku landscape-client-ui-install sudo apt remove onboard deja-dup
2、桌面美化
#unity-tweak-toolsudo apt install unity-tweak-tool#Flatabulous主题sudo add-apt-repository ppa:noobslab/themessudo apt updatesudo apt install flatabulous-themesudo add-apt-repository ppa:noobslab/iconssudo apt updatesudo apt install ultra-flat-icons
unity-tweak-tool --> theme --> Flatabulous
unity-tweak-tool --> icons --> ultra-flat
3、安装中文输入法（google）
sudo apt install fcitx-googlepinyin
settings --> language support --> keyboard input method system --> fcitx
注销系统
settings --> text Entry --> '+' --> google-pinyin
4、Chrome
1) 下载google-chrome-stable_current_amd64.deb
#sudo apt install libappindicator1 libindicator7sudo dpkg -i google-chrome-stable_current_amd64.debsudo apt -f install
5、Oracle Java
sudo add-apt-repository ppa:webupd8team/java sudo apt update sudo apt install oracle-java8-installer
6、Sublime Text 3
sudo add-apt-repository ppa:webupd8team/sublime-text-3
sudo apt update
sudo apt install sublime-text
7、shadowsocks-qt5全局代理(需配置config.json代理信息)
#安装shadowsocks-qt5sudo add-apt-repository ppa:hzwhuang/ss-qt5sudo apt updatesudo apt install shadowsocks-qt5#全局代理sudo apt install python-pipsudo pip install --upgrade.pipsudo pip install genpacgenpac -p "SOCKS5 127.0.0.1:1080" --gfwlist-proxy="SOCKS5 127.0.0.1:1080" --gfwlist-url=https://raw.githubusercontent.com/gfwlist/gfwlist/master/gfwlist.txt --output="autoproxy.pac"
System settings --> Network --> Network Proxy --> Method --> Automatic --> Configuration URL --> autoproxy.pac(所在路径) --> Apply System Wide
8、其他软件
vim / git / axel / openssh-server / unrar
9、更新
update / upgrade
10、添加root
sudo passwd root#去除密码(无法使用su)#sudo passwd -l root
参考：
http://www.luohanjie.com/2017-06-07/using-shadowsocks-qt5-to-implement-global-agents-under-ubuntu.html
http://blog.csdn.net/skykingf/article/details/45267517/
http://www.linuxidc.com/Linux/2016-09/135165.htm
http://www.cnblogs.com/fnight/p/5722016.html