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LVM
Create a volume group # vgcreate [OPTIONS] VG_new PV ... vgcreate --autobackup y ceph0 /dev/disk/...
Troubleshooting
Deleting Namespace Stuck Terminating NAMESPACE=my-namespace kubectl get namespaces $NAMESPACE -o ...
Introduction: Novice to Cloud Provider
Benchmarking
fio Description Flexible IO Tester (Fio) is a benchmarking and workload simulation tool for Linu...
Query Hardware Info
dmidecode # dmidecode --list-types bios system baseboard chassis processor memory cache connector...
Serial Console
Output to Serial Console Make sure the kernel is started with the following parameter… console=tt...
Physical Hardware
Basic Components Compute Processor Intel Core i7-8700k - This is the processor I had been using...
EFI
To use OVMF/AAVMF for EFI add these parameters to qemu-system-*. Normally you can find OVMF_CODE....
Test Authentication
ssh -T git@gitea.swigg.net source
Strip Debug
When Kernel modules are built they often contain debug information. This creates modules with sub...
Serial Only
AMD64 qemu-system-x86_64 ... -nographic -append "root=/dev/vda rw console=ttyS0" -hda rootfs.img ...
Direct Boot Kernel
Provide path to Kernel and optionally initrd qemu-system-aarch64 ... -kernel /boot/vmlinuz-6.9.0-...
Mount QCOW2
Load Kernel module modprobe nbd Connect the image to NBD (Network Block Device) device and then ...
Generate Random MAC address
printf '00:60:2f:%02x:%02x:%02x\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256]
Connect Without StrictHostKeyChecking (known_hosts)
Connects to a host without validating the host key using ~/.ssh/known_hosts or adding the key to ...
Storage & Backups
Create Storage Pools Although my current setup has changed over time I currently settled on the s...
Network Storage
iSCSI Internet Small Computer Systems Interface or iSCSI (/aɪˈskʌzi/ i eye-SKUZ-ee) is an Intern...
Reboot
Really Force Reboot I've had to do this when the ZFS kernel module has a problem that was prevent...
Linux Unified Key Setup (LUKS)
I messed up editing this page and some of the information is missing and in the wrong order. All ...
MasterBedroom Devices
Aqara Motion Sensor MasterBedroom Entry MotionSens...