This guide explains how to update Firefox to version 45 without deleting your current version of Firefox 45.
If the backup of Firefox old version is available you can revert back at any time .
You can download the binary package for your system architecture using following 'wget' command.
[root@linuxhelp ~]# wget https://download-installer.cdn.mozilla.net/pub/firefox/releases /45.0/linux-x86_64/en-US/firefox-45.0.tar.bz2 --2016-03-25 17:53:08-- https://download-installer.cdn.mozilla.net/pub/firefox/releases/45.0/linux-x86_64/en-US/firefox-45.0.tar.bz2 Resolving download-installer.cdn.mozilla.net... 22.214.171.124 Connecting to download-installer.cdn.mozilla.net|126.96.36.199|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 51234777 (49M) [application/x-bzip2] Saving to: “firefox-45.0.tar.bz2” 100%[=================================================================================================>] 51,234,777 28.4K/s in 42m 30s 2016-03-25 18:35:40 (19.6 KB/s) - “firefox-45.0.tar.bz2” saved [51234777/51234777]
Now extract the desired tar file after downloading complete.
[root@linuxhelp ~]# tar xvf firefox-45.0.tar.bz2 firefox/ firefox/libnss3.so firefox/platform.ini firefox/libnspr4.so firefox/libplc4.so firefox/run-mozilla.sh firefox/defaults/ . . . . . firefox/crashreporter firefox/webapprt-stub
Now move to the extracted directory and check the version of already installed Firefox
[root@linuxhelp ~]# cd firefox-45 [root@linuxhelp firefox-45]# firefox -v Mozilla Firefox 38.7.0
Now get the extract location of binary command
[root@linuxhelp ]# which firefox /usr/bin/firefox
Now move the newly downloaded package firefox-45 into /opt location as a name of Firefox 45 as follows.
[root@linuxhelp ~]# mv firefox-45 /opt/firefox45
You can remove existing version or if you want to keep both versions. Here, we are keeping two versions. So, I’ll rename existing version and link original one to new instance.
[root@linuxhelp ~]# cd /usr/bin [root@linuxhelp bin]# mv firefox /opt/firefox_old [root@linuxhelp ~]# ln -s /opt/firefox45/firefox /usr/bin/firefox
Now check the version by following command.
[root@linuxhelp ~]# firefox –version Mozilla Firefox 45.0
Note: You can check the command by two methods Firefox –v or –version both are produce the same output.
Now finally open your Browser. You can open the browser in two methods by command line and directly click your browser option, am shown open the browser in command line by the following command.
[root@linuxhelp ~]# firefox
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