Differences between revisions 4 and 35 (spanning 31 versions)

TODO

live disk resize

seems to work

https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath
http://www.unixarena.com/2015/12/linux-kvm-how-to-addresize-virtual-disk-on-fly.html
apt-get install libguestfs-tools to get virt-resize
https://forum.proxmox.com/threads/extend-rescan-virtio-disk-in-guest-vm.7989/
debug io trouble: sysstat package + iosat -x 2 5 http://bencane.com/2012/08/06/troubleshooting-high-io-wait-in-linux/ do a page on debugging iostat and how to solve

misc

This is all that has no yet been done or documented.

mailserver
firewall
monitoring diskspace
network planning
keyscript should try thrice
create a page about manual dns updates and nsupdate

Space used on vanilla
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg1-root  1,9G  791M  954M   46% /
/dev/md0              243M   53M  162M   25% /boot

mail we will configure this system with a mail server this server will later be configured to forward its mails to another mail account

* write a ssection about spice and TLS, check this to set up the TLS certificates on kvm02 /etc/libvirt/qemu.conf

http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/

take a look at this package : osinfo-db

move dns certificates to certificate server

-  ⇤ ← Revision 4 as of 2017-10-11 20:44:01 → 
  Size: 1908
  Editor: scott
  Comment:
+   ← Revision 35 as of 2018-01-01 20:44:35 → ⇥
  Size: 1553
  Editor: Kristian Kallenberg
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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-== TODO ==
+= TODO =
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-This is all that has no yet been done or documented
+== live disk resize ==
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-mailserver
configure apt sources in template
clone a virtual machine
remove the spice/vnc option from the virsh xml
firewall
list disks
monitoring diskspace
disable saving .debs af download
configure apt to remove .deb files after download /var/cache/apt/archives/
network planning
hardware description
vmx flag, i7, ram disks
firewall
keyscript should try thrice
+ * https://serverfault.com/questions/122042/kvm-online-disk-resize
 * https://serverfault.com/questions/378086/how-to-extend-a-linux-pv-partition-online-after-virtual-disk-growth
-Line 20:
+Line 8:
+seems to work

 * https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath
 * http://www.unixarena.com/2015/12/linux-kvm-how-to-addresize-virtual-disk-on-fly.html

 * apt-get install libguestfs-tools to get virt-resize
 * https://forum.proxmox.com/threads/extend-rescan-virtio-disk-in-guest-vm.7989/

 * debug io trouble: sysstat package + iosat -x 2 5 http://bencane.com/2012/08/06/troubleshooting-high-io-wait-in-linux/ do a page on debugging iostat and how to solve

=== misc ===
This is all that has no yet been done or documented.

 * mailserver
 * firewall
 * monitoring diskspace
 * network planning
 * keyscript should try thrice
 * create a page about manual dns updates and nsupdate

{{{
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+Line 33:
+}}}
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+Line 38:
-apt-get install postfix
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+Line 39:
+* write a ssection about spice and TLS, check this to set up the TLS certificates on kvm02 /etc/libvirt/qemu.conf
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+Line 41:
-create a virtual machine
+http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/
-Line 34:
+Line 43:
+take a look at this package : osinfo-db
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+Line 45:
-#!/bin/bash

NAME="stretch-template"
RAM="1024"
LVM_SIZE="4G"
LVM_GROUP="vg2"
OS="debian9"
MEDIA="/mnt/media/debian/stretch/debian-9.1.0-amd64-netinst.iso"

if [ $# -eq 0 ]
then
        echo "${0}: domain-name"
else
        NAME=${1}
fi
LVM_NAME="kvm_${NAME}_vda"

if [ ! -e /dev/${LVM_GROUP}/${LVM_NAME} ]
then

        # create lvm partition
        lvcreate --size ${LVM_SIZE} --name ${LVM_NAME} ${LVM_GROUP}

        # create the virtual machine
        virt-install --name ${NAME} --memory ${RAM} --disk /dev/${LVM_GROUP}/${VM_NAME},bus=virtio,format=raw --os-variant ${OS} --network bridge=br0,model=vitio --cdrom ${MEDIA} --graphics spice,listen=192.168.1.33,password=${NAME} --noutoconsole --virt-type kvm
else
        echo "${0}: refusing to overwrite existing domain";
fi


on another system
apt-get install xtightvncviewer
vncviewer 192.168.1.33

apt-get install virt-viewer
remote-viewer spice://kvm02:5900

setup debian on that system

kvm guest added packages
net-tools
vim
apt sources, with src lines commented
mlocate
+move dns certificates to certificate server