How to Upgrade Mozilla firefox on Ubuntu?

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By default, Mozilla Firefox automatically update itself but you can also do a manual update. You can update your firefox by following steps.

Method : 1

First go to your Application Launcher of Ubuntu menu. Follow complete path as given below.

Applications –> System Tools –> Administration –> Software Updater

As shown in Image, Select Firefox option and click on Install Now.

Ubuntu_SOftware_Updater

Now you can check your version of Firefox from path Help –> About Firefox.You will find your updated version of Mozilla Firefox.

Method : 2

If the update didn’t work for you, don’t worry, you can download and install the latest Firefox version from website mozilla.org for your operating system and language. This will be fresh installation of Firefox. Steps are given below.

Run this command on your terminal “sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa”

Jhon@MYPLANET:~$ sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa
 [sudo] password for Jhon:
 Staging PPA for Mozilla and other browser-related security updates. Unless you are testing updates, you should not install packages from this PPA
 More info: https://launchpad.net/~ubuntu-mozilla-security/+archive/ubuntu/ppa
 Press [ENTER] to continue or ctrl-c to cancel adding it
 gpg: keyring `/tmp/tmp0kcreuxh/secring.gpg' created
 gpg: keyring `/tmp/tmp0kcreuxh/pubring.gpg' created
 gpg: requesting key 7EBC211F from hkp server keyserver.ubuntu.com
 gpg: /tmp/tmp0kcreuxh/trustdb.gpg: trustdb created
 gpg: key 7EBC211F: public key "Launchpad PPA for Ubuntu Mozilla Security Team" imported
 gpg: no ultimately trusted keys found
 gpg: Total number processed: 1
 gpg: imported: 1 (RSA: 1)
 OK

Now Run this command on your terminal “sudo apt-get update”

parveen@MYPLANET:~$ sudo apt-get update
Ign http://extras.ubuntu.com trusty InRelease 
Ign http://security.ubuntu.com trusty-security InRelease 
Ign http://ppa.launchpad.net trusty InRelease 
Ign http://in.archive.ubuntu.com trusty InRelease 
Get:1 http://extras.ubuntu.com trusty Release.gpg [72 B] 
Get:2 http://security.ubuntu.com trusty-security Release.gpg [933 B] 
Get:3 http://ppa.launchpad.net trusty Release.gpg [316 B] 
Ign http://in.archive.ubuntu.com trusty-updates InRelease 
Hit http://extras.ubuntu.com trusty Release 
Get:4 http://security.ubuntu.com trusty-security Release [62.0 kB] 
Get:5 http://ppa.launchpad.net trusty Release [15.1 kB] 
Ign http://in.archive.ubuntu.com trusty-backports InRelease 
Hit http://extras.ubuntu.com trusty/main Sources 
Hit http://in.archive.ubuntu.com trusty Release.gpg 
Hit http://extras.ubuntu.com trusty/main amd64 Packages 
Get:6 http://ppa.launchpad.net trusty/main amd64 Packages [23.5 kB] 
Hit http://extras.ubuntu.com trusty/main i386 Packages 
Get:7 http://in.archive.ubuntu.com trusty-updates Release.gpg [933 B] 
Get:8 http://security.ubuntu.com trusty-security/main Sources [71.4 kB] 
Hit http://in.archive.ubuntu.com trusty-backports Release.gpg 
Get:9 http://ppa.launchpad.net trusty/main i386 Packages [23.5 kB] 
Hit http://in.archive.ubuntu.com trusty Release 
Get:10 http://security.ubuntu.com trusty-security/restricted Sources [2,061 B] 
Get:11 http://in.archive.ubuntu.com trusty-updates Release [62.0 kB] 
Get:12 http://security.ubuntu.com trusty-security/universe Sources [17.9 kB] 
Get:13 http://ppa.launchpad.net trusty/main Translation-en [7,321 B] 
Get:14 http://security.ubuntu.com trusty-security/multiverse Sources [1,896 B] 
Get:15 http://security.ubuntu.com trusty-security/main amd64 Packages [220 kB] 
Hit http://in.archive.ubuntu.com trusty-backports Release 
Hit http://in.archive.ubuntu.com trusty/main Sources 
Get:16 http://security.ubuntu.com trusty-security/restricted amd64 Packages [8,875 B]
Ign http://extras.ubuntu.com trusty/main Translation-en_IN 
Hit http://in.archive.ubuntu.com trusty/restricted Sources 
Get:17 http://security.ubuntu.com trusty-security/universe amd64 Packages [87.7 kB]
Hit http://in.archive.ubuntu.com trusty/universe Sources 
Ign http://extras.ubuntu.com trusty/main Translation-en 
Hit http://in.archive.ubuntu.com trusty/multiverse Sources 
Get:18 http://security.ubuntu.com trusty-security/multiverse amd64 Packages [3,458 B]
Hit http://in.archive.ubuntu.com trusty/main amd64 Packages 
Get:19 http://security.ubuntu.com trusty-security/main i386 Packages [210 kB] 
Hit http://in.archive.ubuntu.com trusty/restricted amd64 Packages 
Hit http://in.archive.ubuntu.com trusty/universe amd64 Packages 
Hit http://in.archive.ubuntu.com trusty/multiverse amd64 Packages 
Get:20 http://security.ubuntu.com trusty-security/restricted i386 Packages [8,846 B]
Hit http://in.archive.ubuntu.com trusty/main i386 Packages 
Get:21 http://security.ubuntu.com trusty-security/universe i386 Packages [87.7 kB]
Hit http://in.archive.ubuntu.com trusty/restricted i386 Packages 
Get:22 http://security.ubuntu.com trusty-security/multiverse i386 Packages [3,624 B]
Get:23 http://security.ubuntu.com trusty-security/main Translation-en [113 kB] 
Hit http://in.archive.ubuntu.com trusty/universe i386 Packages 
Hit http://in.archive.ubuntu.com trusty/multiverse i386 Packages 
Hit http://in.archive.ubuntu.com trusty/main Translation-en 
Hit http://in.archive.ubuntu.com trusty/multiverse Translation-en 
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en 
Hit http://security.ubuntu.com trusty-security/restricted Translation-en 
Hit http://in.archive.ubuntu.com trusty/restricted Translation-en 
Hit http://security.ubuntu.com trusty-security/universe Translation-en 
Hit http://in.archive.ubuntu.com trusty/universe Translation-en 
Get:24 http://in.archive.ubuntu.com trusty-updates/main Sources [180 kB] 
Get:25 http://in.archive.ubuntu.com trusty-updates/restricted Sources [2,061 B]
Get:26 http://in.archive.ubuntu.com trusty-updates/universe Sources [105 kB] 
Get:27 http://in.archive.ubuntu.com trusty-updates/multiverse Sources [4,463 B]
Get:28 http://in.archive.ubuntu.com trusty-updates/main amd64 Packages [446 kB]
Get:29 http://in.archive.ubuntu.com trusty-updates/restricted amd64 Packages [8,875 B]
Get:30 http://in.archive.ubuntu.com trusty-updates/universe amd64 Packages [254 kB]
Get:31 http://in.archive.ubuntu.com trusty-updates/multiverse amd64 Packages [11.2 kB]
Get:32 http://in.archive.ubuntu.com trusty-updates/main i386 Packages [436 kB] 
Get:33 http://in.archive.ubuntu.com trusty-updates/restricted i386 Packages [8,846 B]
Get:34 http://in.archive.ubuntu.com trusty-updates/universe i386 Packages [255 kB]
Get:35 http://in.archive.ubuntu.com trusty-updates/multiverse i386 Packages [11.3 kB]
Hit http://in.archive.ubuntu.com trusty-updates/main Translation-en 
Hit http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en 
Hit http://in.archive.ubuntu.com trusty-updates/restricted Translation-en 
Hit http://in.archive.ubuntu.com trusty-updates/universe Translation-en 
Hit http://in.archive.ubuntu.com trusty-backports/main Sources 
Hit http://in.archive.ubuntu.com trusty-backports/restricted Sources 
Hit http://in.archive.ubuntu.com trusty-backports/universe Sources 
Hit http://in.archive.ubuntu.com trusty-backports/multiverse Sources 
Hit http://in.archive.ubuntu.com trusty-backports/main amd64 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/restricted amd64 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/universe amd64 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/multiverse amd64 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/main i386 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/restricted i386 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/universe i386 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/multiverse i386 Packages 
Hit http://in.archive.ubuntu.com trusty-backports/main Translation-en 
Hit http://in.archive.ubuntu.com trusty-backports/multiverse Translation-en 
Hit http://in.archive.ubuntu.com trusty-backports/restricted Translation-en 
Hit http://in.archive.ubuntu.com trusty-backports/universe Translation-en 
Ign http://in.archive.ubuntu.com trusty/main Translation-en_IN 
Ign http://in.archive.ubuntu.com trusty/multiverse Translation-en_IN
Ign http://in.archive.ubuntu.com trusty/restricted Translation-en_IN
Ign http://in.archive.ubuntu.com trusty/universe Translation-en_IN
Fetched 2,755 kB in 45s (61.0 kB/s)
Reading package lists... Done

Now run this command “sudo apt-get install firefox”

Jhon@MYPLANET:~$ sudo apt-get install firefox
Reading package lists... Done
Building dependency tree 
Reading state information... Done
The following package was automatically installed and is no longer required:
 linux-image-generic
Use 'apt-get autoremove' to remove it.
Suggested packages:
 ttf-lyx
The following packages will be upgraded:
 firefox
1 upgraded, 0 newly installed, 0 to remove and 497 not upgraded.
Need to get 39.8 MB of archives.
After this operation, 30.8 MB of additional disk space will be used.
Get:1 http://in.archive.ubuntu.com/ubuntu/ trusty-updates/main firefox amd64 36.0+build2-0ubuntu0.14.04.4 [39.8 MB]
Fetched 39.8 MB in 1min 4s (613 kB/s) 
(Reading database ... 173847 files and directories currently installed.)
Preparing to unpack .../firefox_36.0+build2-0ubuntu0.14.04.4_amd64.deb ...
Unpacking firefox (36.0+build2-0ubuntu0.14.04.4) over (28.0+build2-0ubuntu2) ...
Processing triggers for man-db (2.6.7.1-1) ...
Processing triggers for gnome-menus (3.10.1-0ubuntu2) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu1) ...
Processing triggers for bamfdaemon (0.5.1+14.04.20140409-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support (3.54ubuntu1) ...
Setting up firefox (36.0+build2-0ubuntu0.14.04.4) ...
Installing new version of config file /etc/apparmor.d/usr.bin.firefox ...
Please restart all running instances of firefox, or you will experience problems.
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