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nixCraft Linux / UNIX Newsletter

Debian / Ubuntu Linux Delete Old Kernel Images Command Configure Nginx to use TLS 1.2 and 1.3 only How to set up a firewall using FirewallD on OpenSUSE Linux

Debian / Ubuntu Linux Delete Old Kernel Images Command

Posted: 01 Dec 2019 12:27 PM PST

I am a new Ubuntu Linux user and noticed that old kernel still exists in my system. Why doesn't Ubuntu remove old kernels automatically? How do I delete old unused kernel images to free disk space. How to remove unused old kernel images on Ubuntu Linux safely?
The post Debian / Ubuntu Linux Delete Old Kernel Images Command appeared first on nixCraft.

Configure Nginx to use TLS 1.2 and 1.3 only

Posted: 01 Dec 2019 12:05 PM PST

How do I enable and configure TLS 1.2 and 1.3 only in Nginx web server?

The post Configure Nginx to use TLS 1.2 and 1.3 only appeared first on nixCraft.

How to set up a firewall using FirewallD on OpenSUSE Linux

Posted: 01 Dec 2019 07:07 AM PST

I am a new OpenSUSE Linux 15.x sysadmin. How do I set up a firewall using FirwallD on OpenSUSE Linux 15.1?

The post How to set up a firewall using FirewallD on OpenSUSE Linux appeared first on nixCraft.