Take advantage of the jq utility to edit messages formatted using JSON (JavaScript Object Notation).
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Use numfmt command-line utility which is a part of the standard GNU Core Utilities to pretty print decimal or binary numbers.
Create LXD instance from a specific snapshot.
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How to log specific Varnish requests
Use varnishlog to log specific Varnish requests.
Configure the Vagrant virtual machine to use a specific proxy using the vagrant-proxyconf plugin.
Varnish Shared memory Log can put a major strain on the disk (I/O write operations). The solution is to store it on the virtual memory filesystem.
Configure systemd service to be restarted in case of failure.
Alter task history retention inside the Docker Swarm cluster to ensure that there are no stopped containers.
Use needrestart utility to determine which services need to be restarted after the upgrade.
Execute the old and new Terraform using the selected provider in an offline mode.