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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.

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How to use official RabbitMQ repository on Debian Buster

RabbitMQ uses Bintray to provide official repositories for RabbitMQ message broker and Erlang, but there is a small catch as at this moment repository for Debian Buster does not contain RabbitMQ application…

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SysOps

How to modify system identification message

Modify system identification message that is printed before the login prompt.

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How to update system time using systemd

Update the system time using systemd as a NTP client.

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How to create Argo Tunnel

Create Argo Tunnel to expose internal service and securely access it over the internet.

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How to export system activity information

You already know how to collect and report system activity information, so it is the best time to learn how to export already collected data.

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How to perform suite change

I have recently updated Debian Buster from testing to stable, so it is worth to note how to perform such update non-interactively.

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SysOps

How to count TCP connections

Use netstat, ss or files inside proc filesystem to count TCP connections.