Here we create the master key. We want only Certify capability: we use the master key only to create the subkeys, Sign - Encrypt - Authenticate capabilities will be assigned to the subkeys.
Run the following command to start the master key generation process. Select the set your own capabilities creation process (type 8)
▶ gpg --full-generate-key --expert
gpg (GnuPG) 2.2.9; Copyright (C) 2018 Free Software Foundation, Inc.
| # So you want switch your HPE H240 controller to HBA mode for use with ESXi or UnRaid? | |
| # online you'll find the follow command for HP controllers, like the P420i. | |
| ssacli controller slot=0 modify hbamode=on | |
| # For me, it was: | |
| ssacli controller slot=255 modify raidmode=off | |
| # while you are at it, you can also switch the power mode: | |
| ssacli controller slot=255 modify powermode=minpower |
| # disable background scan (might prevent standby) | |
| sdparm --quiet --clear=EN_BMS --save /dev/disk/by-id/scsi-????????????????? | |
| # enable standby (powers down drive motor) | |
| sdparm --flexible --quiet --save -p po --set=STANDBY=1 /dev/disk/by-id/scsi-????????????????? | |
| # set standby to 30min | |
| sdparm --flexible --quiet --save -p po --set=SCT=18000 /dev/disk/by-id/scsi-????????????????? | |
| # enable idle (drives spins but servos are off) | |
| sdparm --flexible --quiet --save -p po --set=IDLE_B=1 /dev/disk/by-id/scsi-????????????????? | |
| # set idle to 5min | |
| sdparm --flexible --quiet --save -p po --set=ICT=3000 /dev/disk/by-id/scsi-????????????????? |
| # How to use a GPG key for SSH authentication | |
| # Tested on Ubuntu 20.04 LTS | |
| # Enable SSH support in gpg-agent: | |
| echo enable-ssh-support > ~/.gnupg/gpg-agent.conf | |
| # Cache GPG & SSH passwords for 24 hours (the reboot will clear the password cache) | |
| echo max-cache-ttl 86440 >> ~/.gnupg/gpg-agent.conf | |
| echo max-cache-ttl-ssh 86440 86440 >> ~/.gnupg/gpg-agent.conf | |
| echo default-cache-ttl 86440 >> ~/.gnupg/gpg-agent.conf |
