ubuntu tips

启动相关

// boot repair

sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update
sudo apt-get install -y boot-repair
sudo boot-repair

// edit grub boot menu

$ sudo add-apt-repository ppa:danielrichter2007/grub-customizer
$ sudo apt-get update
$ sudo apt-get install grub-customizer

// Change Plymouth Graphical boot animation Themes in Ubuntu:

sudo update-alternatives --config default.plymouth    //select a theme number
sudo update-initramfs -u

包管理

// manage ppa repository

Install:
sudo apt-add-repository ppa:user/repository
Uninstall:
sudo apt-add-repository -r ppa:user/repository

// unpack deb

dpkg-deb -R ibm-notes-9.0.i586.deb ./tmp
vi ./tmp/DEBIAN/control
dpkg-deb --build ./notes_rebuild

GUI相关

// gnome desktop

sudo add-apt-repository ppa:gnome3-team/gnome3

sudo apt-get install ubuntu-gnome-desktop ubuntu-gnome-default-settings
sudo apt-get install gnome-documents gnome-boxes
sudo apt-get install full-gnome3-experience    // option for gnome3
sudo apt-get remove ubuntu-settings        // this will remove 'ubuntu-desktop'
sudo dpkg-reconfigure gdm
sudo service gdm/lightdm status

// install MS TrueType core fonts

sudo apt-get install ttf-mscorefonts-installer

//Firewall gui in Ubuntu

sudo apt-get install gufw

文件系统

//fs mount in fstab

# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/dev/mapper/DevClient--vg-root /               ext4    errors=remount-ro 0       1
/dev/sda3     /media/other    ext3    rw,             default         0      0

# mount ntfs
/dev/sda5     /media/USER    ntfs    rw,nosuid,nodev,default_permissions 0 0
/dev/sdb6       /media/WORKS    ntfs-3g silent,umask=0      0 0

//ext4 filesystem file restore

文件恢复：
extundelete /dev/sdaX --restore-file /*/*....*/file
目录恢复：
extundelete /dev/sdaX --restore-directory /*/*....*/dir
恢复近期被删的所有：
extundelete /dev/sdaX --restore-all

VMware虚拟化

// start VMWare Workstation in Ubuntu 13.04

$sudo apt-get install build-essential linux-headers-$(uname -r)
$sudo ln -s /usr/src/linux-headers-$(uname -r)/include/generated/uapi/linux/version.h /usr/src/linux-headers-$(uname -r)/include/linux/version.h

// change vmware S/N under cli

/usr/lib/vmware/bin/vmware-vmx --new-sn NY0K2-2ULDJ-LZUP1-MV154-8363F

设置优化

// edit dns server

sudo gedit /etc/resolvconf/resolv.conf.d/head
sudo gedit /etc/resolvconf/resolv.conf.d/tail
sudo resolvconf –u

// add rar support

sudo apt-get install p7zip-rar

// unzip

unzip -O CP936 xxx.zip ( -O GBK / GB18030 / gb2312)

// powersave for laptop

sudo apt-get install laptop-mode-tools

// Enable hibernate

sudo apt-get install hibernate

or
sudo gedit /var/lib/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla
[Re-enable hibernate by default in upower]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes

[Re-enable hibernate by default in logind]
Identity=unix-user:*
Action=org.freedesktop.login1.hibernate
ResultActive=yes

// remove old kernel ubuntu

uname -a
dpkg --get-selections|grep linux
sudo apt-get remove linux-image-2.6.15-23-386

rpm -q kernel
rpm -e kernel-xxx