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--- cluster:139 [2015/04/17 19:41]
hmeij [Warewulf LBL]
+++ cluster:139 [2015/07/31 15:28]
hmeij
@@ Line 59: / Line 59: @@
 </code>
-Next comes a piece of mystery. When executing  ''wwinit ALL'' I ran into a lether, no less, error. After much digging found the answer here and surprisingly found little in the documentation on this.
+Next comes a piece of mystery. When executing  ''wwinit ALL'' I ran into a lethal, no less, error. After much digging found the answer here and surprisingly found little in the documentation on this.
   * Lethal error thrown by module: /usr/libexec/warewulf/wwinit/91-vnfs.init
@@ Line 222: / Line 222: @@
     * build RPMs from tar ball
   * rebuild the VNFS and reboot
+Sometimes you can edit the files in the chroot directly, sometimes you must modify the installtoot directly.  It's easiest to just do the latter all the time.
+<code>
+[root@petaltail ~]# cd /var/chroots
+[root@petaltail chroots]# chroot centos-6
+[root@petaltail /]# pwd
+/                          <--- inside of installroot
+[root@petaltail /]# mkdir /var/log/munge
+[root@petaltail /]# chown munge:munge /var/log/munge
+[root@petaltail /]# mkdir /var/log/slurm
+[root@petaltail /]# chown slurm:munge /var/log/slurm
+chown: invalid user: `slurm:munge'
+# since the passwd|shadow|group files come from database you need to create the relevant lines
+[root@petaltail /]# chown slurm:munge /var/log/slurm
+[root@petaltail /]# exit
+exit
+[root@petaltail chroots]# ls
+centos-6
+# outside edit commenting out rc.local directives making these dirs etc
+[root@petaltail chroots]# vi centos-6/etc/rc.local
+# and don't forget
+[root@petaltail chroots]# wwvnfs --chroot /var/chroots/centos-6 --hybridpath=/vnfs  -y
+# reboot node
+</code>
+To build short hostnames you can create a template inside of the chroot environment.
+<code>
+#--- build file CHROOT/root/wwtemplates/network.ww
+ NETWORKING=yes
+ HOSTNAME=%{NODENAME}
+#--- end
+# add that file (using wwsh provision) to the nodes.
+[root@]# wwsh file import /var/chroot/centos-6/root/wwtemplates/network.ww \
+ --path=/etc/sysconfig/network --name=network.ww
+[root@]# wwsh provision set n[00-15] --fileadd=network.ww
+</code>
+Second interface: create a template inside of the chroot environment.
+<code>
+wwsh node set b49 --netdev=eth1 \
+--hwaddr=00:00:00:00:00:00 --ipaddr=10.10.1.55 \
+--netmask=255.255.0.0  --network=255.255.0.0
+#--- build file CHROOT/root/wwtemplates/ifcfg-eth1.ww
+DEVICE=eth1
+BOOTPROTO=static
+ONBOOT=yes
+HWADDR=%{NETDEVS::ETH1::HWADDR}
+IPADDR=%{NETDEVS::ETH1::IPADDR}
+NETMASK=%{NETDEVS::ETH1::NETMASK}
+NETWORK=%{NETDEVS::ETH1::NETWORK}
+#--- end
+# add that file (using wwsh provision) to the nodes.
+[root@]# wwsh file import /var/chroot/centos-6/root/wwtemplates/ifcfg-eth1.ww \
+ --path=/etc/sysconfig/network-scripts/ifcfg-eth1 --name=ifcfg-eth1.ww
+[root@]# wwsh provision set n[00-15] --fileadd=ifcfg-eth1.ww
+</code>
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