nixCraft Linux / UNIX Newsletter

How To Test or Check Reverse DNS on a Linux / Unix

Posted: 09 Jun 2022 09:31 AM PDT

{Updated} Want to do a reverse DNS (rDNS) Lookup in Linux, macOS, *BSD or Unix/WSL/Windows to find scammers/phishers/spammer using a forward confirm. Try these tips.
The post How To Test or Check Reverse DNS on a Linux / Unix appeared first on nixCraft.

How to backup & restore a list of installed FreeBSD packages

Posted: 09 Jun 2022 07:31 AM PDT

Today, I will share one helpful tip that allows FreeBSD developers and sysadmin to make a backup list of installed all FreeBSD packages and then restore it. Hence, this is useful for disaster recovery (DR) or simply rebuilding a new server. It will save you time.

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The post How to backup & restore a list of installed FreeBSD packages appeared first on nixCraft.