Date: Wed, 2 Apr 2003 07:45:27 +0200 From: Axel Gruner <axel.gruner@suedfactoring.de> To: freebsd-questions@freebsd.org Subject: Re: Cloning a jail Message-ID: <20030402074527.30a449b1.axel.gruner@suedfactoring.de> In-Reply-To: <20030401143251.GA4560@poecilotheria.netmails.net> References: <20030401143251.GA4560@poecilotheria.netmails.net>
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Hi. On Tue, 1 Apr 2003 08:32:51 -0600 Hari Bhaskaran <subscr@spider.netmails.net> wrote: > When I need to clone a jail, would a cp -Rp do? Yes and no. To do a exact copy of a jail, use the "cpdup" program (it is in the ports). > (and change rc.conf). Or do I have to go through > the jail(8) steps again? (make hierarchy, install etc). No. That would take to much time ;). Use "cpdup". Just change the IP and stuff in rc.conf. Also use a new startup script on the host system /usr/local/etc/rc.d/ Thats it. > By 'clone', I meant an identical jail session, > on top of which I will install other packages, > not necessarily same on both. see above. > Also can I hardlink a tree (outside) to inside > the jail? assuming I don't mind it being writeable. > Would it open a hole to the rest of the system? You can use "mount_nullfs" from the host system. Or NFS to on the hostsystem. With that you can do a NFS mount from /usr/ports of the hostsystem to /jail/usr/ports. I do that with my jails. Works great.
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