Terminal
To start terminal CTRL + ALT + T
This will work in most of GUI.
Installing SSH on ubuntu
sudo apt-get install openssh-client
sudo apt-get install openssh-server
Restart ssh
sudo /etc/init.d/ssh restart
Test SSH
ssh localhost
Upgrade ubuntu Desktop to server
First update the desktop to latest version
#sudo apt-get update
Upgrade desktop to server
apt-get install linux-headers-server linux-image-server linux-server
Check ubuntu version
lsb_release -a
Installing LAMP (Linux Apache MySQL PHP)
apt-get install tasksel
tasksel install lamp-server
Starting Apache
/etc/init.d/apache2 restart
or
service apache2 restart
Starting Services
service <servicename> stop
service <servicename> start
service <servicename> restart
Enabling Root account
By default root is not enabled in Ubuntu. You can use following commands to enable root account.
sudo -i
Set password
sudo passwd root
Add root login
sudo sh -c ‘echo “greeter-show-manual-login=true” >> /etc/lightdm/lightdm.conf’
Disable root account
sudo passwd -dl root
Downgrading Ubuntu from 12.10 to 12.04
It is not possible to downgrade Ubuntu. You have to reinstall it, before re installing make sure to backup your important data.
Vendor and Device ID
lspci -nn
Run Google Chrome as root
If you are logged in as root in the Ubuntu you can’t simply launch Google Chrome. Here is how you allow root to launch Chrome browser.
vi /opt/google/chrome/google-chrome
Replace following line (should be the last line)
exec -a “$0” “$HERE/chrome” “$@”
with this
exec -a “$0” “$HERE/chrome” “$@” –user-data-dir “/root/.config/google-chrome”
Save the file and you will be able to launch Google chrome as root.
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