Archive for March, 2022

Self-signed certificate that lasts 5 years

by on Mar.02, 2022, under Computer Stuff, General Info, Windows Info

On modern servers, you can create a self-signed cert with powershell, using the new-selfsignedcertificate command. By default, this certificate will only last for 1 year before expiring. To create a certificate that lasts a little longer, fire up an admin powershell, and do this:

$fromtoday = get-date
$5years = $fromtoday.addyears(5)
new-selfsignedcertificate -dnsname mycertname.mydomainname.com -notafter $5years -certstorelocation cert:\localmachine\my

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