If you ever had the headache of figuring this out, I’m sure you’ll find this list of great use. Search the permissions you have and look at the conversion. Quick script to see how I got the CSV. With this, you should be able to quickly identify the right number.
Calculating CRC32 for GPT Volumes. Today while having to manually calculate the CRC for the GPT header and the GPT partition table, I was unable to find how to perform such actions manually (by hand literally…). GPT Volume Structure (Wikipedia Link(link is external)) From the image we can see, we can tell we have: 512
This document is not a guide nor a wiki; this is just for whenever I have doubts about the definition of XML for libvirt, I can use this example with VIRTIO and IDE disks. Tianocore
Lets compile KVM – QEMU from scratch on debian jessie!. This… will take a long ass time!. Find attached my .deb if you’re too lazy for that. Meet this requirements first, before using my .deb!! If you’re missing packages… then… here you also have my apt sources.list Install missing keyrings!
Why Virtualbox… why… why do package mantainers do this to us! Well, guys, as usual, I post things that annoy me, and how to fix them. So when my horrible memory forgets how to fix a simple issue, I know I can come back to my notes and figure it out again. So, I’m typing
This Cloudmin issue drove me nuts, but then it clicked on why it didn’t work. If, for some reason, after you configure your network or your server magically, VNC stops working. The answer is as simple as your host’s file. Your hostname MUST be declared in the Hosts file (as 127.0.0.x)… After you’ve fixed that,
Luks keys… and luks encrypted drives: Warning: Always backup the LUKS header before performing any maintenance on the hard drive!. How to backup the luks header:Drive: /dev/sdb [Example] Name: /tmp/mybackup [Example] Add a LUKS key: Deckey: Would be your passphrase key for decrypting your drive [first key when setting up the encrypted drive]. Slot: Luks
Finding out information about plugged in devices in the motherboard without opening the machine. The following command should output something similar to this: Congratulations, you now know you only used two banks out of 3, and the system’s maximum allowed memory. PCI Devices: USB Devices:
KVM Nested virtualization. For my current project, I needed to perform nested virtualization on KVM using Ubuntu 12.04, and I encountered the VM would pause itself after showing the bios. That error dragged me to the logs where this line called my attention: And digging I found out its a bug known issue with the 12.04 kernel
The basics: Virtualmin is a powerful and flexible web hosting control panel for Linux and UNIX systems based on the well-known Open Source web-based systems management GUI, Webmin. Manage your virtual domains, mailboxes, databases, applications, and the entire server, from one comprehensive and friendly interface. I recommend using Virtualmin; it made my life so EASY!,