How to perform hostname canonicalization

Perform hostname canonicalization to simplify your configuration and ease work with multiple servers.

How to match network inside SSH client configuration

Match specific network inside the SSH client configuration file usingĀ  Python helper script.

How to define multiple SSH configurations for the same host

Define multiple configurations for the same host using the SSH client configuration file.

How to determine if hostname belongs to specific network

Use Python script to determine if the hostname belongs to a specific network.

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How to install SmokePing

Keep track of network latency using SmokePing on Debian Buster.

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SysOps

How to fix SmokePing SSH probe on Debian Buster

SmokePing 2.7.3 needs an update to use the SSH probe on Debian Buster.

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SysOps

How to determine available authentication methods

Determine available authentication methods on the specified OpenSSH server.

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How to unmount stale NFS share

Unmount not accessible NFS share that still has open files.

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How to create VLAN interface using the ip utility

I have already described how to create VLAN interface, but things have changed over time, so I decided to update the know-how.

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SysOps

How to mount NFS share using systemd

This is an extension to an older blog post on how to mount WebDAV share using systemd as this proved to be a very reliable method that is easy to mark as a dependency for other services.