Update The FreeBSD From Previous Releases Usi…

Q.How do I
[url=javascript:;]update[/url]
my system using
[url=javascript:;]cvsup[/url]
mirror? How do I upgrade from previous releases using
[url=javascript:;]FreeBSD[/url]
6.x or 7.x? How do I upgrade everything including
[url=javascript:;]kernel[/url]
, userland utilities, and installed applications?
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V!h2r$f3p\A.FreeBSD can be upgrades from a local / remote cvsup mirror. csup is a software package for updating collections of files across a network. It is a general-purpose network file updating package. It is extremely fast, even for collections of files.BSD爱好者乐园*M^ ^
vh0J2v#u
Upgrading FreeBSD
TC \A z4@You need to upgrade FreeBSD using two steps as follows:BSD爱好者乐园 \\g.}'Z:[?

First, upgrade the base system

Update all installed application programs or
[url=javascript:;]ports[/url]
.BSD爱好者乐园 ^9b:e,_d[[!T-eH
Naturally, the base system must be upgraded before the applications.BSD爱好者乐园,vYF"R%B*h-W n

WARNING!These examples only works with FreeBSD 6.2 or above version only.Make a backupof your system / data / config files before you use following commands. The system will be offline for about 10-30 minutes due to reboot and single user mode upgrade operations, so update systemduring off-peak hours.
Step # 1: Upgrading the FreeBSD base systemBSD爱好者乐园m&t6] p{ Wz
First, copy csup configuration file to /etc or /root directory:
t!www9z8Wu(E n# cp /usr/share/examples/cvsup/standard-supfile /root/supfileBSD爱好者乐园`q5s*y#zXS
Open /root/supfile using vi text editor, enter:BSD爱好者乐园 W*JbJK{2^
# vi /root supfileBSD爱好者乐园Wl1I r.H3f
You need to make one change. Find the line that read as follows:BSD爱好者乐园gY/zcA I#P
host=CHANGE_THIS.FreeBSD.org
Gg d.OGx3T9g!xChange to:
\,y(H-K~ d:dhost=cvsup4.us.FreeBSD.org
Rq Y6c B2~:|Chost directive specifies the server host which will supply the file updates. You must change it to one of the CVSup mirror sites listed in
the FreeBSD Handbook
. Another option is to override this setting on the command line with cvsup's "-h host" option. Save and close the file. Now update source tree, enter:

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