In this quick post, we will upgrade Ubuntu 14.04 LTS to Ubuntu 14.04.3 LTS. Keeping the system updated is always a good practice. Currently even in linux we have found may serious vulnerabilities like ShellShock,Heartbleed etc. We should keep all our applications up to date. Specially the apps which you often use to connect with internet like web browser, chat client, mail client etc.

Ubuntu LTS (Long Term Support) edition always have one huge benefit that is Ubuntu support till 5 years. That is the reason, you will be reading most of my posts still connecting with Ubuntu 14.04 LTS.

Strongy advice to readers please read the Release Notes of Ubuntu 14.04.3 LTS . Yes, reading long pages is boring but this is essential thing when you are working on system like professional.

Now lets go to next section which is most awaited one.

Command: Upgrade Ubuntu 14.04 LTS to Ubuntu 14.04.3 LTS

Yeah,Let’s get it started – how to upgrade Ubuntu 14.04.3 LTS to 14.04.3 LTS with the help of command line. Working with command line is quite easy as well as faster. If you really want to make grip on Linux , strongly suggest to do most of your task only with command line.

1. Guys! first take the backup of your important data. In case anything goes wrong you can restore it back easily.

2. Hope you have read the release notes of Ubuntu 14.04.3 LTS , check any application has any compatibility issue with your codes,programs or with other apps.

Now to upgrade any of the Ubuntu version to next level in same series, you can use this command.

sudo apt-get update

sudo apt-get upgrade

On your terminal you will get some questions, to continue press ‘Y’ key and for No press ‘N’ key.
We generally advise user to be interactive in such kind of upgrade because system may also show the warning message that if you want to upgrade particular application & what can be its consequences.

Once the process is completed, check your system upgrade status by running this command.

cat /etc/issue
OR
lsb_release -a

Here is our Desktop screenshot.

You should restart the system also so that if any application requires that.
To reboot the system.

sudo init 6

Keep your Operating System updated and vulnerability free. Have a happy linux journey.