kubepy

Upscale 1080p to 4k using ffmpeg

Just use the command below:

ffmpeg -i INPUT_FILE \
  -vf scale=3840x2160:flags=lanczos \
  -c:v libx264 \
  -crf 13 \
 -c:a aac -b:a 512k \

kubepy

Intro

This note describes how to connect two networks/devices/VMs over public network using Wireguard with Layer 2 support (ARP, IPv6 link-local, etc).

This can also be achieved using SSH and its "tap" tunnel, however, it does not provide the same level of latency and bandwidth as full-blown VPN such as Wireguard.

In addition, this note describes how to tunnel Wireguard over TCP connection. This may be of use if you encounter firewall in-between so, for instance, you can use TCP port 443 only.

Objective

kubepy

#!/bin/bash
# Simple single-command mfplat installation designed for use with protontricks
# https://github.com/Matoking/protontricks
#
# Licensed under CC0 1.0 Universal:
# https://creativecommons.org/publicdomain/zero/1.0/

PYTHON_INSTALLCAB_PATH="/tmp/mfplat-python-installcab";
INSTALLCAB_PY="python2 $PYTHON_INSTALLCAB_PATH/installcab.py";
WINETRICKS_CACHE_PATH=$(cd ~/.cache/winetricks; pwd);

kubepy

1. Download Windows Media Player 11, 64 bit (wmp11-windowsxp-x64-enu.exe):

   $ cd /tmp/
   $ curl -O https://web.archive.org/web/20190512112704/https://download.microsoft.com/download/3/0/8/3080C52C-2517-43DE-BDB4-B7EAFD88F084/wmp11-windowsxp-x64-enu.exe

2. Extract the archive:

   $ cabextract wmp11-windowsxp-x64-enu.exe -d wmp11

3. Run and close the game through Steam. A Proton prefix is created on the first run.
4. Go to the game's folder inside Steam's compatdata folder:

   $ cd $HOME/.local/share/Steam/steamapps/compatdata/287290

5. Set prefix to Windows XP: $ WINEPREFIX=$PWD/pfx wine winecfg

kubepy

A quick and dirty guide to dumping images of your CDs on Linux

https://untrusted.website/@mr_daemon

This roughly describes the process I use to dump my old CDs to image files while attempting to retain as much of the original data as possible.

This covers mostly data cds such as games and software, and has mixed results with some copy protections, even if you dump subchannel data.

kubepy

-480p - Run tenfoot in 480p rather than 1080p
-720p - Run tenfoot in 720p rather than 1080p
-accesscode -
-all_languages - show longest loc string from any language
-batterytestmode - rapidly cycle battery percentages for testing
-bigpicture - Start in Steam Big Picture mode
-blefw -
-cafeapplaunch - Launch apps in a cyber cafe context
-candidates - Show libjingle candidates for local connection as they are processed
-ccsyntax - Spew details about the localized strings we load

kubepy

ipvtap over wifi for libvirt

ipvtap is similar to macvtap, but works over wifi too, since it uses the same mac address as the wifi interface.

libvirt doesn't support ipvtap, so we have to configure everything manually. Important data we need before we start:

• the name of the wifi interface, wlan0 in my case (it's already connected - use NM or networkd+iwd).
• the mac address of the wifi interface (it must be the same in the guest too)

On the host:

kubepy

#!/bin/sh

# Remove the performance overlay, it meddles with some tasks
unset LD_PRELOAD

## Shadow kwin_wayland_wrapper so that we can pass args to kwin wrapper 
## whilst being launched by plasma-session
mkdir $XDG_RUNTIME_DIR/nested_plasma -p
cat <<EOF > $XDG_RUNTIME_DIR/nested_plasma/kwin_wayland_wrapper
#!/bin/sh

kubepy

DB

ovs-vsctl list open_vswitch
ovs-vsctl list interface
ovs-vsctl list interface vxlan-ac000344
ovs-vsctl --columns=options list interface vxlan-ac000344
ovs-vsctl --columns=ofport,name list Interface
ovs-vsctl --columns=ofport,name --format=table list Interface
ovs-vsctl -f csv --no-heading --columns=_uuid list controller
ovs-vsctl -f csv --no-heading -d bare --columns=other_config list port

kubepy

Easy instructions to get QEMU/KVM and virt-manager up and running on Arch

1. Make sure your cpu support kvm with below command:

    grep -E "(vmx|svm)" --color=always /proc/cpuinfo
   

2. Make sure BIOS have enable “Virtualization Technology”.

3. User access to /dev/kvm so add your account into kvm(78) group: