Fedora 31
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BIND : Configure Chroot Environment
2019/11/15
 
If you'd like to configute Chroot Environment for named, Set like follows.
[1] After setting Chroot environment, configuration files are placed under [/var/named/chroot]. [named.conf] is placed under [/var/named/chroot/etc/named.conf], zone files are placed [/var/named/chroot/var/named/***]. When modify settings, Change them under [/var/named/chroot] files.
[root@dlp ~]#
dnf -y install bind-chroot
[root@dlp ~]#
/usr/libexec/setup-named-chroot.sh /var/named/chroot on
[root@dlp ~]#
systemctl disable --now named

[root@dlp ~]#
systemctl enable --now named-chroot

Created symlink /etc/systemd/system/multi-user.target.wants/named-chroot.service → /usr/lib/systemd/system/named-chroot.service.
[root@dlp ~]#
ll /var/named/chroot/etc

total 708
drwxr-x---. 3 root named     23 Nov 15 09:50 crypto-policies
-rw-r--r--. 2 root root     309 Sep 27 11:09 localtime
drwxr-x---. 2 root named      6 Oct  3 01:46 named
-rw-r-----. 1 root named   2371 Nov 15 09:47 named.conf
-rw-r-----. 1 root named   1029 Feb 16  2019 named.rfc1912.zones
-rw-r--r--. 1 root named   1070 Feb 16  2019 named.root.key
drwxr-x---. 3 root named     25 Nov 15 09:50 pki
-rw-r--r--. 1 root root    6568 Apr  9  2019 protocols
-rw-r-----. 1 root named    100 Nov 15 09:32 rndc.key
-rw-r--r--. 1 root root  692241 Apr  9  2019 services

[root@dlp ~]#
ll /var/named/chroot/var/named

total 24
-rw-r--r--. 1 root  root   313 Nov 15 09:31 0.0.10.db
drwxr-x---. 7 root  named   61 Nov 15 09:50 chroot
drwxrwx---. 2 named named   23 Nov 15 09:32 data
drwxrwx---. 2 named named  108 Nov 15 09:50 dynamic
-rw-r-----. 1 root  named 2253 Feb 16  2019 named.ca
-rw-r-----. 1 root  named  152 Dec 15  2009 named.empty
-rw-r-----. 1 root  named  152 Jun 21  2007 named.localhost
-rw-r-----. 1 root  named  168 Dec 15  2009 named.loopback
drwxrwx---. 2 named named    6 Oct  3 01:46 slaves
-rw-r--r--. 1 root  root   404 Nov 15 09:48 srv.world.lan
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