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Absolute FreeBSD, 2nd Edition by Michael W. Lucas

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Building a Local CVSup Server

When you upgrade from source, every server must connect to a FreeBSD CVSup server and download the latest code. If you have a lot of servers, that's a lot of connections and a lot of annoyance. Getting firewall holes for all these systems can be a pain in a large company; you can probably get the firewall administrator to open TCP port 5999 for one machine, but not all of them. Every mirror is maintained by a volunteer who is donating the servers and the bandwidth, not to mention the support time. Why download the same bits over and over again?

Also, suppose you log into each of your servers one after the other and upgrade the system source on that machine. In the few minutes between starting each upgrade, the code ...

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