Differences between revisions 33 and 70 (spanning 37 versions)
Revision 33 as of 2018-01-01 12:31:29
Size: 1450
Comment:
Revision 70 as of 2021-03-04 15:55:44
Size: 3551
Comment:
Deletions are marked like this. Additions are marked like this.
Line 3: Line 3:
== live disk resize == == Various Articles ==
Line 7: Line 7:

seems to work

* https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath
 * https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath (tested and works, no downtime on guest)
Line 12: Line 9:
Line 15: Line 11:
 * 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
 * http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/
 * http://lists.gluster.org/pipermail/gluster-users/2015-February/020798.html
 * https://www.linux.com/news/carp-your-way-high-availability
 * https://www.server-world.info/en/note?os=Debian_9&p=mariadb&f=1
 * http://galeracluster.com/documentation-webpages/sslconfig.html
 * http://galeracluster.com/documentation-webpages/sslcert.html
 * http://galeracluster.com/documentation-webpages/sslconfig.html#securing-replication-traffic
 * http://galeracluster.com/documentation-webpages/sslcert.html
Line 16: Line 21:
 * 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 ==
 * IOMMU enable: https://us.informatiweb.net/tutorials/it/9-bios/215--enable-iommu-or-vt-d-in-your-motherboard-bios.html
 * Mailserver
 * Firewall
 * Monitoring diskspace
 * Network planning
 * Keyscript should try thrice
 * Create a page about manual DNSs updates and nsupdate
 * Spice and TLS write a ssection about spice and TLS, check this to set up the TLS certificates on kvm02 /etc/libvirt/qemu.conf
 * KVM guest types are in package osinfo-db
 * move gluster07 to dedicated hardware, so the arbiter works as expected.
 * Do some pages on optimizations, this is both network, diskio etc. BUT redundancy and stability comes first.
 * Do some pages on security, for now redundancy comes first
 * virsh capabilities to check what the hardware can do
 * debian package, debian-goodies, contains command checkrestart
 * spice compression protocols https://libvirt.org/formatdomain.html#elementsGraphics
 * describe the use of debian command "virt-host-validate"
 * describe installing XP, floppy, and remove floppy when cloning
 * describe installing win7, two cdroms, but set up as disks with device=cdrom instead of --cdrom option
 * spice protocol https://www.spice-space.org/spice-user-manual.html
 * spice clients https://virt-manager.org/download/
 * take a look at mandos to boot from encrypted root filesystem
 * perhaps we should change to powerdns at some point, since it can run a master/master setup
Line 18: Line 45:
=== misc ===
This is all that has no yet been done or documented.

 * mailserver
 * firewall
 * monitoring diskspace
 * network planning
 * keyscript should try thrice

{{{
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
 * delete all crm configuration "rm /var/lib/heartbeat/crm/cib*"
 * https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.cdot-famg-nfs%2FGUID-0D282583-0A6F-4556-AF94-4B08FC5ADDE8.html
 * https://wiki.debian.org/OpenStackCephHowto
 * ceph, drbd, tahoe-lafs, moosefs, sheepdog, petasan
 * bug in virt-clone https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947150
 * https://www.dedoimedo.com/computers/kvm-bridged.html
 * https://www.dedoimedo.com/computers/kvm-intro.html --accelerate
 * syncthing on central server https://theselfhostingblog.com/posts/how-to-set-up-a-headless-syncthing-network/
 * https://wiki.libvirt.org/page/Networking
 * https://unix.stackexchange.com/questions/148794/how-to-create-kvm-guest-with-spice-graphics-but-tls-disabled-using-virt-install

TODO

Various Articles

misc

None: TODO (last edited 2024-05-14 20:31:59 by Kristian Kallenberg)