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IPv6 shortening and compressing address rules

An IPv6 address can be very long as it is a 128 bits one. Asking someone verbally to check the connectivity to a given address can be tricky :-) There are however some rules to shorten it and it’s a… Continue Reading →

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How to check an SSL certificate expiration date from the command line

Some days ago one of my sites certificate expired. I didn’t pay attention to the Let’s Encrypt periodic warning emails – I’m using the DNS-01 challenge. I must create a simple script to check how many days are left and… Continue Reading →

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Problem updating Chrome: Repository changed its ‘Origin’ value from ‘Google, Inc.’ to ‘Google LLC’

If you are using the Google repository to update your Chrome it doesn’t update anymore with apt-get due to security reasons. Reading package lists… Done E: Repository ‘http://dl.google.com/linux/chrome/deb stable Release’ changed its ‘Origin’ value from ‘Google, Inc.’ to ‘Google LLC’… Continue Reading →