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Ubuntu 16.04 LTS

July 20, 2016

For those who uses an Ubuntu server 14.04 LTS, you will be able to move forward… To the 16.04 LTS. Quite easily.

You will be able to move from the old 14.04 to the new 16.04 in the next days (when the version 16.04.1 will be out, it is planned for July 21).

Why upgrading the system? To keep your machine with recent versions. From my point of view, the main differences will be PHP (from 5.5 to 7! Not a big deal.. But much faster) and MongoDB (expected to go from 2.4 to 3.2). Concerning my server, this is the main expectation. Having a Mongo 3.2 with WireTiger could be a very good deal. Note, the distribution upgrade will NOT upgrade the Mongo file system: you have to do it manually by first backuping your data then modifying the data directory and the engine for mongo. Then restoring the data.

For the release itself. I just put the way to do (if you have a server and do the upgrade through ssh). NOTE: YOU HAVE FIRST TO BACKUP YOUR SYSTEM. My provider gives me the capability to backup the disks without fear. Then I consider everything done about backup.

First step, install the “update manager”. It is very easy:

sudo apt-get install update-manager-core

Starting form July 21, check if you have the brand new version:

do-release-upgrade -c

If yes, do the backup. Then run the upgrade:

sudo do-release-upgrade

Wait and see… In my next post, I will give you my point of view and the time needed to upgrade. And if I failed… basically, the upgrade should be done next week (July 26th or 27th, perhaps later). Currently, I serve more than 150 pages per day and a mobile application. Stopping the server for upgrade should be done in less than 1 hour… We will see.

IMPORTANT NOTE: there is a change about ssh connection (I think the default connection will be without password). If you upgrade through the network, be very careful.

There is a page about upgrading than giving more or less the same advices: How to upgrade to Ubuntu 16.04 LTS .

Good luck…

NOTE 27/07: it seems the upgrade for servers is not ready. See bug #1605474 for more information. The upgrade could be available by the end of July. Using the “-d” option is not recommended. If you use a LTS version, I guess you are patient. 

 

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  1. UBUNTU LTS | William Rey

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