Debian Linux 9.9 released and here is how to upgrade it

last updated in Categories Debian Linux, Linux News

The Debian GNU/Linux project has released an updated version of its stable Linux distribution Debian 9 (“stretch”). You must upgrade to get corrections for security problem as this version made a few adjustments for the severe issue found in Debian version 9.9. Debian is a Unix-like (Linux distro) operating system and a distribution of Free Software. It is mainly maintained and updated through the work of many users who volunteer their time and effort. The Debian Project was first announced in 1993 by Ian Murdock.


More about Debian Linux 9.9 released

From the release note:

The Debian project is pleased to announce the ninth update of its stable distribution Debian 9 (codename “stretch”). This point release mainly adds corrections for security issues, along with a few adjustments for serious problems. Security advisories have already been published separately and are referenced where available.

Please note that the point release does not constitute a new version of Debian 9 but only updates some of the packages included. There is no need to throw away old “stretch” media. After installation, packages can be upgraded to the current versions using an up-to-date Debian mirror.

Those who frequently install updates from won’t have to update many packages, and most such updates are included in the point release.

New installation images will be available soon at the regular locations.

How to upgrade Debian 9 from version 9.8 to 9.9

The procedure is as follows. First, note down the current version:
$ lsb_release -a
$ uname -mrs

Sample outputs:

No LSB modules are available.
Distributor ID:	Debian
Description:	Debian GNU/Linux 9.8 (stretch)
Release:	9.8
Codename:	stretch


Linux 4.9.0-8-amd64 x86_64

Upgrade the Debian Linux system to 9.9

Type the following apt-get command/apt command to upgrade your system:
$ sudo apt-get update
$ sudo apt-get dist-upgrade

Debian Linux 9.9 released
Updating Debian 9.8 system with the help of apt-get/apt command

Finally reboot the Linux system:
$ sudo reboot


Verify that upgrade went smoothly with help of cat command/grep command/egrep command:
$ uname -mrs
$ lsb_release -a
$ dmesg | egrep -i 'err|warn|critical'
$ sudo tail -f /var/log/myapp

Debian Linux 9.9 released and here is how to upgrade it


The installer has been updated to include the fixes incorporated into stable by the point release. You can download updated ISO for full installation too. This stable update added important package corrections and security enhancements to the system. Happy upgrades!


Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

Notable Replies

  1. Yes, gnome 3 desktop and bash shell terminal

  2. No it is default. Nothing was installed.

  3. I think it is

    uname -mrs

    Sample outputs:


    Intel i8xx, i9xx display driver includes with package named xserver-xorg-video-intel. It should work out of the box. Try it out and let me know.

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