Upgrading is the process of changing a system to a different, higher/newer version. It is similar to patching or updating (and for some software, may even be as simple as applying patches or updates, but is generally more involved and more comprehensive than the process for installing patches or updates.
Questions tagged [upgrade]
495 questions
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votes
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Update Postgres on Production Server without downtime
I have a production server running Postgres 9.4. The database is > 10 GB. Is it possible to upgrade to Postgres 9.5 without downtime and without loosing data?
Upgrade tutorials recommend to stop Postgres while executing sudo pg_upgradecluster 9.4…

Barmi
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So how do I force upgrade from Ubuntu LTS to the next LTS without waiting for the point release?
According some sources,
"A device running Ubuntu 14.04 LTS will only tell you there is a new
Ubuntu update after the first point release goes live. In Xenial’s
case that’s July."
How do I upgrade now, then? Is going to 15.10 the only…

arivero
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Upgrade Windows Storage Server 2008 R2 to Windows Server 2022
Is it possible to upgrade from Windows Storage Server 2008 R2 to Windows Server 2022, passing through Windows Server 2012 R2?
I don't know if it is possible with the "storage" version of Windows Server 2008 R2.
Does anyone have experience with this?

Walter
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How to get automatic upgrades to work on Ubuntu Server?
I followed the documentation for enabling automatic upgrades in Ubuntu servers, but it's not really updating anything at all.
My /etc/apt/apt.conf.d/50unattended-upgrades looks almost like the default.
// Automatically upgrade packages from these…

Pablo Fernandez
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4 answers
Paranoid Sysadmin -vs- Out-of-Date PHP version
How can a paranoid sysadmin confidently stay up-to-date with the latest stable PHP versions? (security fixes have been coming in pretty regularly).
This is a Production server, and so "breaking stuff" is scaring my guy to death. Downtime for…

anonymous coward
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Any way to migrate AWS T3 x64 to T4G ARM?
Is there any easy way to migrate from aws x64 to arm arch? like without configuring a new arm based server and installing packages and file? it is currently running with Amazon linux AMI, we wish to change it to Amazon linux AMI 2.
I just wanna know…

Ruben John
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How to upgrade nginx from 1.2 to 1.6 on debian 7
I've looked through the whole web but couldn't find anything !
I modified sources.list but the server is tuck to nginx 1.2 , I don't know what to do please help

Aymane Shuichi
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Reconnect ssh session when disconnected without screen
I initiated 'do-release-upgrade' over ssh, and then my (client) network connection died.
How can I reconnect to the session which is performing this command?

Jon Skarpeteig
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CentOS 6.10 upgrade to CentOS 7.x
I have a server running CentOS release 6.10 (Final). I would like to upgrade this to latest CentOS 7.x release. To do this, when I am trying to install upgrade tools to help start with upgrade:
sudo yum install redhat-upgrade-tool…

Meraj Rasool
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Ubuntu upgrade to 18.04 setrlimit, getrlimit & ssh_sandbox_child causing sshd to not work
I am performing a do-release-upgrade from a fresh install of Ubuntu 16.04 to 18.04 on a VM.
After the upgrade I could no longer access via port 22. Trying again I installed drop bear prior to performing the upgrade and set that to port 2222, this…

user160190
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votes
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Ubuntu 14.04 (on linode) not doing "do-release-upgrade"
I am getting this error and don't know how to approach the problem:
After updating your package information, the essential package
'ubuntu-minimal' could not be located. This may be because you have
no official mirrors listed in your software…

Michael Joyner
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2 answers
Upgrade 2012R2 Core to 2016 Core blank window
Hypervisor:
VMWare ESXI 6 update 2
Original guest:
Windows Server 2012 R2 Core
New:
Windows Server 2016
Loaded the ISO in the guest and typed the following command:
d:\
setup.exe /auto upgrade /compat ignorewarning /DynamicUpdate enable
Notice use…

Anemoia
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In-place upgrades for Windows Server (updated for Y2016)
In the spirit of asking a Good subjective question I bring this forth again, in hopes that ServerFault will continue to be a preferred "go to" when searching on this topic.
OLD REFERENCE
Back in 2011 this question was asked: Reasons Why In Place…

TheCleaner
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Ubuntu upgrade from 14.04 LTS to 16.04 failed - mysql-server-5.7 dependecies fail
I am trying to upgrade existing Ubuntu 14.04 LTS to Ubuntu 16.04 LTS and it seems I am stuck somewhere in the middle. When I turn on my workstation, I get Ubuntu 16.04 LTS welcome & login screen, which is ok, newest kernel is up and running however,…

KernelPanic
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What is a recommended way to patch the Shellshock Bash bug on an unsupported Ubuntu server?
I maintain an out-of-support Ubuntu 12.10 (Quantal Quetzal) server (don't ask me why, please), and we need to patch the Shellshock Bash security bug. As upgrades are not available anymore, what is the recommended way to patch Bash?
I found this…

smonff
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