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ubuntu 18.04 stopped working after update
had to boot into single user mode – edit the grub entry – add single near the end of the linux line – search single user mode ubuntu 18.04 Then I had to run the first few startup items so Read more
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luks usb crypttab ubuntu 18.04
Ran into slow boot on ubuntu 18.04 with local keys for usb drives with luks the magic to avoid slow boot if usb is missing is to add the noauto option in /etc/crypttab e.g. crypt tab entry foo UUID=bar /root/.bletch Read more
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credit default swaps
Using data reported by Depository Trust & Clearing Corporation during the 155 weeks ending June 28, 2013, there were credit default swaps traded on only 13 reference names among U.S. banking firms: Bank of America Corporation Morgan Stanley The Goldman Read more
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ubuntu 18.04 manual raid, crypt, lvm highlights
After many days of banging my head against how to get 18.04 installed with raid1, crypt, and lvm on new disks from alternative server iso, the crux was the 1mb bios boot partition at the beginning of both disks. Without Read more
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put process in screen after starting it
https://www.linkedin.com/pulse/move-running-process-screen-bruce-werdschinski/
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raid and luks after the fact ubuntu 18.04
https://tutorials.technology/tutorials/move-luks-encrypted-disk.html
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quickly make xva file from a live running image.
#take a snapshot xe vm-snapshot new-name-label= vm= #convert back to a vm xe template-param-set is-a-template=false uuid= #export xe vm-export vm=(newname) filename= #cleanup-snapshot xe vm-uninstall uuid= from: http://serverfault.com/questions/489184/export-xenserver-snapshot-as-file-via-console
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smartctl with LSISAS1068E or perc 6
I was used to using smartctl -a -d megaraid,0 /dev/sda to get SMART info from my physical disks now with the LSISAS1068E (perc 6) I can get it with: smartctl -a /dev/sg0 or smartctl -a /dev/sg1 to see the physical Read more
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xenserver 7.0 based on centos 7.2
https://docs.citrix.com/content/dam/docs/en-us/xenserver/xenserver-7-0/downloads/xenserver-7-0-installation-guide.pdf states: The Control Domain: Also known as ‘Domain0’, or ‘dom0’, the Control Domain is a secure, privileged Linux VM (based on a CentOS 7.2 distribution) that runs the XenServer management toolstack. Besides providing XenServer management functions, the Control Domain Read more