zenofile zenofile

Firefox pretty sliding sidebar / pinned / active tab theme for Tree Style Tab

Features

Auto-sliding draw for TST
Leaves 'pinned' and 'active' tabs visible in standard browser chrome
Leaves 'last-active' tabs visible for 3 minutes after becoming inactive
Where an active tab is pinned, leaves 'last-active' tab (x1) visible for 1hr

remove gnome apps

sudo dnf remove gnome-tour gnome-abrt gnome-calculator gnome-calendar gnome-maps gnome-weather \
    rhythmbox gnome-contacts totem gnome-logs gnome-photos gnome-clocks gedit gnome-system-moniter \
    gnome-user-docs gnome-screenshot gnome-remote-desktop

remove fedora chromium policies

sudo dnf remove fedora-chromium-config

Install

Run a nix container with podman, with the container destination mounted as /mnt:

DEST=~/containers/nixos
mkdir -p $DEST/{dev,proc,etc/nixos}

podman run -v $DEST:/mnt -it --rm --cap-add SYS_ADMIN docker.io/nixos/nix:latest

Using VAAPI's hardware accelerated video encoding on Linux with Intel's hardware on FFmpeg and libav

Hello, brethren :-)

As it turns out, the current version of FFmpeg (version 3.1 released earlier today) and libav (master branch) supports full H.264 and HEVC encode in VAAPI on supported hardware that works reliably well to be termed "production-ready".

Wireguard + XVLAN demo

Scripts to confgire a group of hosts on a LAN to use VXLAN over Wireguard.

	// bitset_iter.h v1.1.0
	// Copyright 2019, Diego Dagum
	//
	// Permission is hereby granted, free of charge, to any person obtaining a copy
	// of this software and associated documentation files (the "Software"), to deal
	// in the Software without restriction, including without limitation the rights
	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	// copies of the Software, and to permit persons to whom the Software is
	// furnished to do so, subject to the following conditions:
	//

	-- Thank @sbengo to figure out foreign_keys constraints is defaults to false in sqlite
	-- Enable to delete logs by cascading delete
	PRAGMA foreign_keys = ON;

	WITH n_build_ids_per_repo as (
	SELECT build_id
	FROM (
	SELECT
	build_id,
	build_repo_id,

	/*
	* ctx_time Copyright (C) 2018 Matteo Croce <[email protected]>
	* a tool measure the context switch time in clock cycles
	*/

	#include <stdio.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <limits.h>
	#include <string.h>

	#!/bin/bash

	# Bash script to calculate throughput and packets/sec
	# Based on code from https://discuss.aerospike.com/t/benchmarking-throughput-and-packet-count-with-iperf3/2791

	if [ -z "$1" ]; then
	echo
	echo usage: $0 [network-interface]
	echo
	echo defaulting to eth0

	#include "txq.h"

	kprobe:ena_com_prepare_tx
	{
	// grab/cast the transmit queue param
	$io_sq = (struct ena_com_io_sq *) arg0;

	// logic copied from from ena_com_free_q_entries
	$queuelen = (uint16) $io_sq->tail - (uint16) $io_sq->next_to_comp;