How to test LUKS passphrase
scheduled for 27 March 2019
How to display PHP-FPM pool information using UNIX socket and Python script
scheduled for 01 April 2019
How to monitor PHP-FPM pool
scheduled for 08 April 2019
Match certificate and its private key by comparing the modulus of the certificate to the modulus of the private key.
I have already described how to check external IP address using curl or your own SSH service, but you can also use dig utility to take advantage of the OpenDNS, Google or Akamai DNS service.
Determine maximum LUKS key file size or maximum interactive passphrase length.
Use find utility to move files based on specific time criteria.
Learn how to create and assign binary key instead of passphrase to LUKS key-slot on a specific device.
Use openssl command line utility to display TLS server extensions.
I am suprised that exFAT is not supported out of the box as it is a default filesystem used on SDXC cards. You need to install a FUSE-based implementation to access data on devices using it.
Learn how to non-interactively manage LUKS passphrases on a specific device using files or a named pipe.
In a blog post a month ago I described how to use terminal to display servers recommended by NordVPN, but the same result can be achieved by using public API service. It is not officially documented, so let's play with it.