= Changing host name or IP address for slave machines =

== Host name ==

=== DHCP ===
 1. log into k1boot {{{
ssh k1boot }}}
 1. Open the setting file {{{
cd /etc/dhcp/
sudo emacs dhcpd.conf }}}
 1. 該当ホスト名がある2ヶ所を書き換える。{{{
host k1xxx {
     hardware ethernet xx:xx:xx:xx:xx:xx;
     fixed-address 192.168.10.xxx
    } }}} 
 1. Restart dhcp {{{
sudo /etc/init.d/dhcpd restart }}}
 
=== Dolphin ===
 1. log into k1dc0 {{{
ssh k1dc0 }}}
 1. dishost.conf の該当ホスト名がある2ヶ所を書き換える。{{{
sudo emacs /etc/dis/dishosts.conf }}}
 1. cluster.conf の該当ホスト名がある4ヶ所を書き換える。{{{
sudo emacs /etc/dis/cluster.conf}}}

=== DNS ===

 1. log into k1gate {{{
$ssh k1gate }}}
 1. Be a superuser {{{
$su }}}
 1. Change 2 database filess in {{{/var/named/chroot/var/named}}}. One each. {{{
#cd /var/named/chroot/var/named
#emacs 10.68.10.in-addr.arpa.db
#emacs kagra.icrr.u-tokyo.ac.jp.db
}}}
 1. Restart the service {{{
#/etc/init.d/named restart
}}}

=== Restart the RT machine ===
 1. Restart the machine {{{
$ssh k1xxx
$sudo reboot}}}

=== Restart Networkmgr ===
 1. Log into k1dc0 {{{
$ssh k1dc0 }}}
 1. Check the process number (###) of network manager, kill it and restart the survice {{{
$ps -ef | grep networkmgr
$sudo kill ###
$sudo /opt/DIS/sbin/dis_networkmgr}}}


=== Others ===
 * Modify {{{/diskless/root/etc/rtsystab}}} on k1boot if necessary.
 * Modify {{{opt/rtcds/kamioka/k1/target/gds/param/testpoint.par}}} if necessary.
 * Modify models.

== Changing host name for boot PC ==

 1. Modify host name in /etc/conf.d/hostname on boot PC.
 * Modify host name in /etc/hosts on boot PC.
 * Modify IP address in dhcpd.conf
 * Modify IP address in /diskless/pxelinx.cfg/default

 * Modify host name for the remote computer in /diskless/root/etc/hosts on boot PC.
 * Modify host name for the remote computer in /diskless/root/etc/fstab on boot PC.

 * Reboot the master machine.

 * Modify host name in /etc/hosts on k1dc0, k1nds0, k1nds1, k1fw0, k1fw1.
 * Modify host name in /etc/fstab on k1dc0, k1nds0, k1nds1, k1fw0, k1fw1.

 * Reboot k1dc0, k1nds0, k1nds1, k1fw0, k1fw1.
 * Reboot slave computers.

 * Modify host name in /etc/hosts on workstations.
 * Modify host name in /etc/fstab on workstations.
 * Restart the network service by doing "sudo /etc/init.d/networking restart" on workstations.