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Configuring CVS and CVSUP on Linux

Configuring CVSup server for replication

1) Suppose we have repository at /home/cvs. And assume that we have a

module called “testmodule”. This module should be replicated to all the

cvsup clients. So we need to define it as the collection in CVSup

server. For this create a directory say in /home/mahantesh. Name this

directory as base. In base folder create a folder called ‘sup’. In sup

folder create a folder called testmodule.

2) In testmodule folder create a file called list.cvs. This file

defines what this cvsup is giving to be replicated. So we need to

mention module name here. According to our assumption above we will

mention a line similar to “upgrade testmodule”

3) In the same folder create a file called ‘releases’. In this file we

have to give where the repository resides. So this file will contain

line similar to cvs list=list.cvs prefix=prefix where prefix is

/home/cvs.

4) Then go to /usr/local/sbin (where cvsupd deamon resides. Run the

command “./cvsupd -b /home/mahantesh/base/ -C 5 -l /home/mahantesh/log”.

This command starts the cvsupd server using /home/mahantesh/base as the

collection and create log in /home/mahantesh/log. ‘ –c 5’ indicates

that 5 clients can connect simultaneously.

Configuring the Client machines to get the updates from CVSup server.

1) On Client machine also perform the steps described in section

“Installing CVSup server”.

2) Create file called supfile in directory say /usr/local/bin (you can

create anywhere). The contents of the supfile will look like this.

*default umask=2

*default tag=.

*default host=

*default prefix=/home/cvs

*default base=/usr/local/etc/cvsup

*default release=cvs delete use-rel-suffix compress

testmodule

3) The first line shows the default umask of the system. The ‘default

tag’ indicates the current tag. The ‘default host’ indicates server from

which to get the updates. The default prefix indicates where to put the

updates from the server. The ‘default base’ indicates the default base

folder. The last line without * indicates which modules to get from

CVSup server.

4) Then from client machine run the command “cvsup supfile”. For each

run of this command client will get update from the server. So with cron

utility we need to schedule it for every one hour so that client can