Sysadmin/Add virtual machine: Difference between revisions

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-=== Create new VM on [[Machine/treehouse]] ===
+=== Create new VM on [[Machine/justice]] or [[Machine/freedom]] ===
- virt-clone -o template-jaunty -n foobar
+This procedure creates a clone of the [[Machine/template-xenial|Ubuntu Xenial template virtual machine]].
- virsh start foobar
- virsh console foobar
-Login using the default root password (ask bernie), then setup the machine:
+ virt-clone -o template-xenial --file=/var/lib/libvirt/images/boot/FOOBAR-boot.img --file=/dev/justice/FOOBAR-root -n FOOBAR
+ virsh autostart FOOBAR
+ virsh start --console FOOBAR
+* Add A and AAAA records for the new host in the sugarlabs.org zone file (See [[Service/Nameservers]]).
+* Now login as root from the console (there should be no password)
+* setup both IPv4 and IPv6 addresses
- # change root password
- passwd root
- # setup both IPv4 and IPv6 addresses (remember to update zones)
   vi /etc/network/interfaces
- # change machine fqdn
+* change machine fqdn
-  vi /etc/hostname
- vi /etc/postfix/main.cf
+  sed -i -e s/template-xenial/FOOBAR/g /etc/hosts /etc/hostname /etc/mailname /etc/postfix/main.cf
- # activate new IP and hostname
+* activate new IP and hostname
-  service networking restart
+  /etc/init.d/networking restart
- # install latest security/stability updates
-  aptitude update
+* install latest security/stability updates
-  aptitude full-upgrade
+  apt-get update
- # generate host keys and a key for root
+  apt-get dist-upgrade
-  ssh-keygen -q -N '' -f /etc/ssh/ssh_host_rsa_key -t rsa
-  ssh-keygen -q -N '' -f /etc/ssh/ssh_host_dsa_key -t dsa
+* Find a nice color combo for HOST_COLOR in /etc/zzz_profile.conf
- ssh-keygen -q -N ''
+* generate host keys and a key for root
- # setup backups (remember to install root's key on backup host)
-  vi /etc/system-full-backup.conf
+  rm /etc/ssh/ssh_host_*
+ dpkg-reconfigure openssh-server
- # taa--daah!
+  ssh-keygen -N "" -f /root/.ssh/id_rsa -t rsa
+* Setup wizbackup on a backup server (See [[Service/backup]])
+* Move daily, weekly, monthly cronjobs to a unique timeslot to avoid cpu/net storms
+  vi /etc/crontab
+* The most important thing: come up with a funny quip for this machine
+ vi /etc/motd.tail
+* Taa--daah!
   reboot
+* Add the machine to <code>/etc/munin/munin.conf</code> on [[Machine/sunjammer]] for monitoring.
+ [FOOBAR.sugarlabs.org]
+        address FOOBAR.sugarlabs.org
+See also: [[Sysadmin/Delete virtual machine]], [[Sysadmin/Migrate_virtual_machine]].