qemu virtual machine manager

Install qemu virtual machine manager sudo apt-get install virt-manager Reboot your system after installation.

nmap for ip/hostname scan

install nmap via below command sudo apt-get install namp Scan IP (example) nmap -sP 192.168.1.0/24 Scan Hostname nmap -A 192.168.1.0/24

wireless network setting

edit /etc/network/interfaces sudo nano /etc/network/interfaces Here is an example for setting a wirless network with fixed ssid auto wlan0 iface wlan0 inet dhcp wireless-essid my_ssid wireless-mode Managed

Fix Network Tray Icon Missing

Install following package to fix this problem sudo apt-get install indicator-applet-complete

sublime 2/3 on Ubuntu

Install Sublime2

sudo add-apt-repository ppa:webupd8team/sublime-text-2 sudo apt-get update sudo apt-get install sublime-text

Install Sublime3

sudo add-apt-repository ppa:webupd8team/sublime-text-3 sudo apt-get update sudo apt-get install sublime-text

Reduce Initramfs to speed up boot time

edit /etc/initramfs-tools/initramfs.conf, change MODULES=dep instead of MODULES=most

Run below command to rebuild initramfs sudo update-initramfs -u -k all

Samba Utility

Install samba utility sudo aptitude install cifs-utils

Example for mounting a samba folder sudo mount -t cifs //192.168.0.15/myfiles /home/usr/files -o rw

Caching git Password

git config --global credential.helper cache git config --global credential.helper 'cache --timeout=3600'

Ubuntu Enable colored Highlights in Terminal

edit .bashrc sudo nano ~/.bashrc

Uncomment #force_color_prompt=yes

Ubuntu Enable Wireless Network in Terminal

Install wireless tools sudo apt-get install wireless-tools

Enable Wireless network sudo ifconfig wlan0 up

List down all available wireless network sudo iwlist wlan0 scan

Setting up SSID iwconfig wlan0 essid "your_ssid"

Enable DHCP dhclient wlan0

Ubuntu 15.04 Build Single Module

Get source code from apt-get sudo apt-get source linux-3.19.0
change directory to linux source code and type following commands cd linux-3.19.0
copy current kernel config as .config in current folder (or you can config it by typing make oldconfig) cp /boot/config-`name -r` .config
type following commands for parparations sudo make prepare sudo make scripts
copy Modules.symvers to current folder cp /usr/src/liunx-headers-&(uname -r)/Module.symvers .
compile specified module (ex. I'd like to rebuild block module) sudo make M=drivers/block

Vim with ctag & taglist

Just follow below instructions to install ctags & taglist under vim.

Install vim and ctags
sudo apt-get install vim ctags vim-scripts

Install taglist via
vim-addons install taglist

gnome builder

Install flatpak package sudo add-apt-repository ppa:alexlarsson/flatpak sudo apt update sudo apt install flatpak Install gnome builder v...