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

config boot process - sysv-rc-conf

Install sysv-rc-conf sudo apt-get install sysv-rc-conf

Run it

sudo sysv-rc-conf

uget on ubuntu

A good gui tool for batch download. sudo apt-get install uget