valo.at – Nothing here…

AMD Ryzen VFIO GPU pass-through – gaming VM on new hardware

2020-01-23 by valo

This is kind of a follow up to my USB3 card pass-though post some years ago … as I finally bough some new hardware and want to share my configuration for VFIO GPU and USB pass-through to a Windows 10 VM. Host system is Debian 10 with libvirt. With my former Intel based PC i … Read more

Convert existing root filesystem to LVM

2019-10-05 by valo

On my Debian 9 virtual machines i wanted to be able to: create snapshots to get consistent backups easily extend the size of the disk Snapshotting the disk images is not an option as some of those backups run every hour and i’m only interested in the files, not the whole VM. On this page … Read more

Pass-through PCIe USB3 card to KVM guest

2019-10-042016-10-28 by valo

To get some usable input devices inside a Windows VM used mainly for gaming i bought a PCIe USB3 card that should be passed through to the guest. During the boot process the xhci_hcd (usb3) driver of the host system attaches to the card which makes the card unusable with qemu/kvm without unbinding it first. … Read more

Load SSH keys on Xfce login with keychain / ssh-agent

2019-10-042016-10-17 by valo

On my workstation i want my SSH keys to be loaded and unlocked on login to XFCE. This seemed like a job for some keyring daemon like gnome-keyring but it’s not that easy… GNOME-Keyring automatically adds all existing SSH RSA (and DSA) keys but does not support ECDSA (which i’m not using) and ed25519 keys … Read more

Debian mirror script “ftpsync” on OmniOS

2019-10-052016-10-12 by valo

The ftpsync script from the Debian archive mirror page is used to mirror the packages from the ftp.at.debian.org and security.debian.org archives.

The script shows some errors on OmniOS due to differences in options to the hostname command.

OmniOS lipkg zone as debian package mirror

2019-10-052016-10-12 by valo

My private Debian package mirror was a Debian 8 virtual machine with the storage provided by an OmniOS fileserver and exported as a nfs share.
The goal is to move the whole mirror into a zone on the fileserver. The debian ftpsync mirror script is a bash script and should also run on OmniOS.

Git prompt…

2019-10-052016-01-14 by valo

I was thinking about how to synchronize my home dirs and ended up having them now under revision control with git.

The blog post Don’t Reinvent the Wheel describes how to make use of the git provided script git-sh-prompt and replace the default PS1 with a PROMPT_COMMAND.