From e678735f9fd02585f23e7b5a3a837a9d166630f1 Mon Sep 17 00:00:00 2001
From: pjd <pjd@FreeBSD.org>
Date: Sat, 28 May 2005 16:23:29 +0000
Subject: Document 'jid' keyword for ps(1) and '-j' option for
 pgrep(1)/pkill(1).

---
 usr.sbin/jail/jail.8 | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'usr.sbin')

diff --git a/usr.sbin/jail/jail.8 b/usr.sbin/jail/jail.8
index 80fc3c8..71352f7 100644
--- a/usr.sbin/jail/jail.8
+++ b/usr.sbin/jail/jail.8
@@ -384,11 +384,7 @@ To kill processes from outside the jail, use the
 .Xr jexec 8
 utility in conjunction with the one of the
 .Xr kill 1
-commands above, or use the
-.Xr killall 1
-utility with the
-.Fl j
-option.
+commands above.
 .Pp
 The
 .Pa /proc/ Ns Ar pid Ns Pa /status
@@ -415,6 +411,23 @@ Just add the following line to
 .Pa /etc/sysctl.conf :
 .Pp
 .Dl security.jail.set_hostname_allowed=0
+.Pp
+You can also list/kill processes based on their jail ID.
+To show processes and their jail ID use the following command:
+.Pp
+.Bd -literal -offset indent
+ps ax -o pid,jid,args
+.Ed
+.Pp
+To show and then kill processes in jail number 3 use the following commands:
+.Pp
+.Bd -literal -offset indent
+pgrep -lfj 3
+pkill -j 3
+or:
+killall -j 3
+.Ed
+.Pp
 .Ss "Sysctl MIB Entries"
 Certain aspects of the jail containments environment may be modified from
 the host environment using
@@ -515,6 +528,8 @@ and
 .Sh SEE ALSO
 .Xr killall 1 ,
 .Xr newaliases 1 ,
+.Xr pgrep 1 ,
+.Xr pkill 1 ,
 .Xr ps 1 ,
 .Xr chroot 2 ,
 .Xr jail 2 ,
-- 
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