This article is the culmination of 100's of hours of work, I hope it can save others some time. Here are some super useful articles that got me across the line: https://networkop.co.uk/blog/2016/05/21/neutron-l2gw https://wiki.openstack.org/wiki/Ovs-flow-logic …

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Found this little nugget by accident but here is the command to use hpacucli on linux to determine which logical disk is mapped to which mount point 1[root@ceph1 ~]# /usr/sbin/uname26 hpacucli controller slot=2 ld 3 show 1Smart Array P410 in Slot 2 2 3array C 4 5Logical Drive: 3 6 Size: 3.6 TB 7 Fault Tolerance: 0 8 …

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To allow a virtual firewall etc to work we need to update the port settings to allow NAT traffic in 1port set --allowed-address mac-address=fa:16:3e:49:25:0b,ip-address=128.0.0.0/1 08d46e04-dbbd-493b-abbb-e7e493a67c38 2 3port set --allowed-address mac-address=fa:16:3e:49:25:0b,ip-address=0.0.0.0/1 …

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Seems like something that should be simple! Step1 – Create the empty image 1glance image-create --container-format=bare --disk-format=raw --min-ram 2048 --name="Windows Server test" 1+------------------+--------------------------------------+ 2| Property | Value | …

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Sometimes things get so broken you just have to hack stuff out of the database because the API's are in a stuck state. Here is what I did to successfully remove the volume entries for some stuck volumes after a MySQL server crash. Note, You'll also need to adjust the quotas table too to decrement the number of volumes …

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This is what worked for me, it's NOT what the documentation says but hey! Using the material theme as the default, this should replace the logo on the heading bar in Horizon. No need to run ./manage.py collectstatic or anything, just run this and hit F5 in your browser 1cp /home/myadmin/logo.svg …

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Seems that anything that uses NoVNC has a small bug, if your laptop has a touch screen(Or possibly even if you have other pointing devices installed) then the VNC plugin for Firefox does pass mouse cursor moves or clicks by navigating to about:config and setting dom.w3c_touch_events.enabled to 0 then reloading the …

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Get status of monitors ceph quorum_status --format json-pretty Set the weight of a disk lower so it gets less IO, or use it to scale a disk in\out of a cluster ceph osd reweight osd.30 .01 --cluster mycluster Move an OSD to a node in the cursh map, usefull if your OSD comes up not attached to a node ceph osd crush move …

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If we have to deal with this thing, lets do it in an intelligent way I'm using Ansible across my infrastructure to manage most stuff so I cut a playbook to detect Spectre and Meltdown fixes in Centos7 using the articles from CyberCiti.biz …

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I came across the solution when installing Virtual box on Ubuntu but got the old modprobe: ERROR: could not insert 'vboxdrv': Required key not available I was having the same issue with my r8152 drivers for my Lenovo Thunderbolt 3 dock This article got me 90% of the way to a solution but I wasn't able to load the …

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