On Wed, Jul 18, 2007 at 09:41:35PM -0700, Tech Valley Internet - Tony Kivits wrote: >At 08:42 PM 7/18/2007, Christopher Cowart wrote: >>On Wed, Jul 18, 2007 at 08:34:21PM -0700, Tech Valley Internet - >>Tony Kivits wrote: >>>At 07:32 PM 7/18/2007, Christopher Cowart wrote: >>>>On Wed, Jul 18, 2007 at 06:30:50PM -0700, Tech Valley Internet - >>>>Tony Kivits wrote: >>>>> I am attempting to run portions (if not all) of the software called >>>>> HSphere inside of jailed subsystems of FreeBSD. I am able to create >>>>> the jails no problem but the devices /dev/random and /dev/urandom are >>>>> not created automatically in the jail despite the fact that a handful >>>>> of other devices are mounted correctly when the jail is created. >>>>> >>>>> Is there a specific reason for these devices not being created in a >>>>> jail or is there a way to create these devices so that they will be >>>>> available inside a jail? >>>> >>>>We run bind instances in FreeBSD jails. This is how we get /dev/random: >>>> >>>>| # /etc/devfs.rules: >>>>| [devfsrules_thin_jail=100] >>>>| add include $devfsrules_hide_all >>>>| add include $devfsrules_unhide_basic >>>> >>>>| # /etc/rc.conf: >>>>| jail_cachingdns_devfs_enable="YES" >>>>| jail_cachingdns_devfs_ruleset="devfsrules_thin_jail" >>>> >>> Thanks Chris, >>> >>> So if my jail is called "cp", the only thing that I would have to >>> change from your scripts would be replace to replace "cachingdns" >>with "cp"? >> >>Yes. Are you configuring the jail via /etc/rc.conf already? Are you >>using the rc script /etc/rc.d/jail to start your jails? >> >>My complete config from /etc/rc.conf is: >> >>| # Enable jails >>| jail_enable="YES" >>| jail_list="cachingdns" >>| >>| # Caching-nameserver jail >>| jail_cachingdns_hostname="ns1.example.com" >>| jail_cachingdns_ip="192.0.2.15" >>| jail_cachingdns_interface="bge0" >>| jail_cachingdns_rootdir="/var/jails/caching-dns" >>| jail_cachingdns_exec="/usr/local/sbin/named" >>| jail_cachingdns_devfs_enable="YES" >>| jail_cachingdns_devfs_ruleset="devfsrules_thin_jail" >> >>You can replace cachingdns with cp or whatever else you want. You can >>also create multiple jails with different names. >> >>I don't know if you're following the typical FreeBSD jail documentation >>which gives you a complete FreeBSD installation inside the jail. Given >>that I only need to run named, I have not done that. >> >>Are you trying to run a complete FreeBSD install that allows user logins >>inside your jail? Or are you simply trying to jail a single process? My >>example above jails the single process named, and does not have an OS >>install inside the jail's root. > > I am doing a complete OS inside the jail and am starting it through > the rc.conf.
The default devfs ruleset for jails (devfsrules_jail, found in /etc/defaults/devfs.rules) should work fine for you then. Perhaps try specifying that ruleset explicitly? > I have modified the devfs.rules so that they are now passing random > and urandom as devices. But the installation software is still > reporting that /dev/random is not working properly. Do you know of a > way that I can test /dev/random to see if it is actually working? $ ls -l caching-dns/dev/random crw-rw-rw- 1 root wheel 0, 8 Jul 3 18:08 caching-dns/dev/random $ dd if=/dev/random bs=1 count=12 2>/dev/null | openssl base64 Should give you a base64 encoding of some random data (base64 to prevent it from messing up your terminal) if /dev/random is working. -- Chris Cowart Lead Systems Administrator Network & Infrastructure Services, RSSP-IT UC Berkeley
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