Every year it seems like more and more network devices get installed on our networks. Switches, router, firewall, access points are just a few of the devices that get installed. Each of them has a configuration file that gets setup […]
If you need to know what ports are open and listening on your FreeBSD servers, you can use a few commands. Netstat -An used to me my goto command for pulling up a list of ports that are listening but […]
I own a Synology NAS and it now supports the free certificates from Let’s Encrypt. The only problem with Synology’s implimentation is that they only allow the web (HTTP-01) method of certificate verification. This means that I have to map […]
PEAR is a poplular PHP package manager, it doesn’t come by default on OSX, how to install PEAR on OSX 10.9 Mavericks and earlier versions of OSX.
From time to time your mail queue may get filled up. This may be due to network problems or misconfiguration. For instance, if you botch (typo) the relayhost parameter, the mail will be undeliverable. The first thing to do is […]
ZFS is an exciting new file system developed by Sun and recently ported to FreeBSD (as well as many other operating systems). It has raised a wide and loyal following in the FreeBSD community (just check out the chatter about […]
Mailman is an excellent mailing list manager. It comes complete with the list manager and a CGI web frontend for admin and users. I have used to for a number of years to handle very large and small mailing […]
OpenSSH has the ability to use a number of authenitcation mechanisms. One of the most popular (next to plain passwords) is using shared keys. Shared keys can give you a lot of security while still allowing more flexability than simple passwords. […]
I have used OpenVPN for a number of applications. From remote access while I travel to building a wide area network for a small business. OpenVPN has a number of applications. OpenVPN is also ported over to most operation systems […]
Gmirror is a software raid mirror system. It allows to disks or partitions to be mirrored so that in the even of a total drive failure, you can switch over to the mirrored drive. This example will go through […]
