How to specify custom SSH port when using rdiff-backup

Specify a custom SSH port when using rdiff-backup.

How to create swap file

Create swap file to optimize virtual machine configuration or just immediately increase available swap space.

How to clear bash history on logout

Automatically clear GNU Bourne-Again SHell history when you exit a login shell.

How to display default Elasticsearch settings

Display default Elasticsearch settings.

How to limit bandwidth on specific network interface

Limit bandwidth on specific network interface using wondershaper.

How to test TLS/SSL encryption anywhere on any port

Test TLS/SSL encryption anywhere on any port

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How to change system hostname

Query and change the system hostname.

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How to install SmokePing

Keep track of network latency using SmokePing on Debian Buster.

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How to inspect RabbitMQ settings using command-line

Inspect RabbitMQ settings using command-line.

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How to calculate real disk capacity

Use basic linux command-line utility to calculate real disk capacity.