Category Archives: System Administration

Q: How do I encrypt file transfers with dd and netcat?

Posted on March 9, 2007 by jeff

A: This question came to us in response to the article Backup Files and Partitions with dd and netcat. Encrypting these files transfers is quite simple. As in the previous article, we will setup the server to listen on port … Continue reading →

Posted in Answers, DragonFlyBSD, FreeBSD, NetBSD, OpenBSD, Security, System Administration | 1 Comment

Q: How do I add a user to the wheel group in FreeBSD?

Posted on March 8, 2007 by jeff

A: Beyond simply editting /etc/group with your favorite text editor, adding a user to the wheel group can be achieved in a few different ways. To place a user in the wheel group when her account is first created, you … Continue reading →

Posted in Answers, FreeBSD, System Administration | Leave a comment

Backup Files and Partitions with dd and netcat

Posted on January 17, 2007 by jeff

This paper walks through various scenarios where dd and netcat can be used to backup files for administrative and forensic purposes. This paper is expected to grow over time and will be updated as time permits. The first example uses … Continue reading →

Posted in DragonFlyBSD, FreeBSD, NetBSD, Networking, OpenBSD, Papers, System Administration | 1 Comment