Move jails hard way to iocage

Dan Langille dan at
Fri Mar 26 13:01:04 UTC 2021

On Fri, Mar 26, 2021, at 5:34 AM, Dan Langille wrote:
> On Fri, Mar 26, 2021, at 5:28 AM, Jacques Foucry wrote:
> > Hello Friends,
> > 
> > I run many jails, configured in the "hard way" (ie `/etc/jail.conf` file) and
> > I would like to move them into iocage.
> > 
> > I can't find any help on the Internet (may be I did search corretly).
> > 
> > Did some own have a pointer or a how-to?
> > 
> > Thanks in advance for your time and advises,

Sorry, I misread, and though you were moving to jails.

This is from ezjail to iocage. Might help.

Yes, I have been moving from iocage to vanilla jails. I find it better suits my use
cases, specifically my FreshPorts jails which contain zfs file systems which it
must occasionally issue a 'zfs rollback'. I also like that my jails start or stop
faster. The additional work I need to do relates to jail creation (creating the
file systems etc). For that, I'm using - in fact,
this morning I am using that to update several jails.

e.g. [dvl at r720-02:~/src/mkjail/src] $ sudo bin/mkjail upgrade -v 12.2-RELEASE -j nginx01

After reading FreeBSD Mastery: Jails I saw how straight forward a jail.conf entry can

  Dan Langille
  dan at

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