FreeBSD

Stuff relating to FreeBSD

How to Use Disk Labels in NAS4Free or FreeNAS Legacy

You have a FreeNAS 7/NAS4Free server setup and you have several USB drives attached to it. Your ongoing issue is that every time you reboot your FreeNAS server the disk mounts get mixed up and the drive numbers are out of order. One day your 120GB Western Digital HDD is da0, then all of a sudden it becomes da2 while your Seagate 500GB HDD is now da0.

If you have more USB drives attached and you use software RAID. All of a sudden, your Western Digital HDD that stores all those vacation pictures becomes a member of a RAID set. Ouch!!

How to Setup DomainKeys Identified Mail (DKIM) with Postfix and FreeBSD

If your mail is always ending up in the "Junk" folder, perhaps it's time to take a look at DomainKeys Identified Mail (DKIM). DKIM is an email authentication framework (or protocol) that tries to minimize the SPAM problem. Your email server will sign every outgoing message with a cryptographic private key. Your DNS server is setup with TXT record in the email's domain that contains a matching public key. The receiving end will take the two keys, and determine if they are a match, thus authenticating your email server.

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