Troubleshooting
1 Perl can’t locate libxml
$ sudo cpan install XML::LibXML
$sudo apt-get install libxml-libxml-perl
2. newuser的terminal文件没有颜色显示
因为缺乏.bashrc所致.
newuser@server$ cp /home/administrator/.bashrc /home/newuser
newuser@server$ source ./bashrc
3. Ubuntu is running in low-graphics mode
ctrl+alt+F1切换到控制台
user@server$ sudo mv /etc/lightdm/lightdm.conf /etc/lightdm/lightdm.conf_old
user@server$ sudo reboot
4. ERROR: Cannot launch Jack server
user@server$ sudo vim ~/.jack
SERVER=true -> SERVER=false