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Yum not upgrading: OpenSSH

by | Oct 29, 2021

Wondering why Yum is not upgrading in OpenSSH? We can help you.

As part of our Server Management Services, we assist our customers with several OpenSSH queries.

Today, let us see how our Support Techs perform the installation for our customers.


Yum not upgrading: OpenSSH

Recently we had a customer who wanted to upgrade OpenSSH to version 8.5.

Most often, we can upgrade OpenSSH up to version 8.0 in Cpanel servers using yum.

#yum update openssh

However, it is not possible in the case of version 8.5.

Moving ahead, let us see the steps our Support Techs employ to get it done.

In order to upgrade to version 8.5, we need to install the application from the source.

To do so, we check the current version of ssh on the system:

ssh -V

OpenSSH_7.7p2 Ubuntu-4ubuntu2.5, OpenSSL 1.0.2g 1 Mar 2016

Then we install dependencies:

-------------- CentOS/RHEL 7/6--------------
$ sudo yum group install 'Development Tools'
$ sudo yum install zlib-devel openssl-devel

In the case of an existing installation, the environment should already be in place.

After that, we download the tarball of OpenSSH version 8.5:

$ wget -c
$ tar -xzf openssh-8.5p1.tar.gz
$ cd openssh-8.5p1/

Once done, we need to compile and Install SSH from sources. For that, we run:

$ ./configure --with-md5-passwords --with-pam --with-selinux --with-privsep-path=/var/lib/sshd/ --sysconfdir=/etc/ssh
$ make
$ sudo make install

Finally, we check the version of OpenSSH now on the system:

$ ssh -V

OpenSSH_8.5p1, OpenSSL 1.1.0g 2 Nov 2017

We can see that our installation was a success.

[Found it easy? Here’s a lot more for you]



In short, yum cannot help to upgrade to version 8.5. In this article, we saw how our Support Techs fix this query for our customers.


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