wenerme’s gists

wenerme / boot-alpine-in-firecracker.sh

Last active June 14, 2023 14:51

AlpineLinux Firecracker

	# download
	latest=$(basename $(curl -fsSLI -o /dev/null -w %{url_effective} https://github.com/firecracker-microvm/firecracker/releases/latest))
	curl -LOJ https://github.com/firecracker-microvm/firecracker/releases/download/${latest}/firecracker-${latest}-$(uname -m)
	mv firecracker-${latest}-$(uname -m) firecracker
	chmod +x firecracker

	# rootfs
	# =========
	# qemu-img create -f raw alpine.rootfs.ext4 1G
	fallocate -l 1G ubuntu.rootfs.ext4

wenerme / alpine-netboot-missing-ext4-verify.sh

Last active October 22, 2020 18:27

AlpineLinux netboot initrd missing ext4 module

	# download firecracker
	latest=$(basename $(curl -fsSLI -o /dev/null -w %{url_effective} https://github.com/firecracker-microvm/firecracker/releases/latest))
	curl -LOJ https://github.com/firecracker-microvm/firecracker/releases/download/${latest}/firecracker-${latest}-$(uname -m)
	mv firecracker-${latest}-$(uname -m) firecracker
	chmod +x firecracker

	# download netbook kernel and initrd
	curl --remote-name-all -LC- https://mirrors.aliyun.com/alpine/v3.12/releases/x86_64/netboot/{modloop,vmlinuz,config,initramfs}-virt

	# vmlinux

wenerme / k3s-new-cert.sh

Created July 12, 2020 06:12

K3S Create Client Cert

	#!/bin/bash
	set -e

	fail(){
	echo "error: $*"
	echo "usage: ./k3s-new-cert <name> [subject=/O=admin]"
	exit 1
	}

wenerme / icmp_ping.py

Created December 4, 2019 06:35 — forked from ageis/icmp_ping.py

Ansible ICMP ping module

	#!/usr/bin/env python
	# -- coding: utf-8 --

	# (c) 2019, Ansible by Red Hat, inc
	# (c) 2019 Kevin Gallagher (@ageis) <[email protected]>
	# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

	# from https://gist.github.com/ageis/face10be67b26e4519662e19290e06ff
	# fix for busybox and macos

wenerme / pre-commit-eslint

Last active January 24, 2019 02:22 — forked from linhmtran168/pre-commit-eslint

Pre-commit hook to check for Javascript using ESLint

	#!/bin/sh

	# List files
	STAGED_FILES=$(git diff --cached --name-only --diff-filter=ACM \| grep ".jsx\{0,1\}$")

	if [[ "$STAGED_FILES" = "" ]]; then
	exit 0
	fi

	# Try find node

wenerme / hardware-summary

Created January 3, 2017 06:22

Ubuntu 16.04.1 install failed

	uname -a: Linux wener-ubuntu 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016 x86_64 GNU/Linux
	lspci -knn: 00:00.0 Host bridge [0600]: Intel Corporation 440FX - 82441FX PMC [Natoma] [8086:1237] (rev 02)
	lspci -knn: 00:01.0 ISA bridge [0601]: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II] [8086:7000]
	lspci -knn: 00:01.1 IDE interface [0101]: Intel Corporation 82371AB/EB/MB PIIX4 IDE [8086:7111] (rev 01)
	lspci -knn: Kernel driver in use: ata_piix
	lspci -knn: 00:02.0 VGA compatible controller [0300]: InnoTek Systemberatung GmbH VirtualBox Graphics Adapter [80ee:beef]
	lspci -knn: 00:03.0 Ethernet controller [0200]: Intel Corporation 82540EM Gigabit Ethernet Controller [8086:100e] (rev 02)
	lspci -knn: Subsystem: Intel Corporation Device [8086:001e]
	lspci -knn: Kernel driver in use: e1000
	lspci -knn: Kernel modules: e1000

wenerme / show-stars.js

Last active November 30, 2021 10:36

Show stars and push time in github repo links.

	var AccessToken='YOUR-ACCESS-TOKEN-HERE' // <= Notice
	var replaceText = (a) => {
	let v = a.repoData;
	let tpl = `[
	<span style="color:red;opacity:${Math.max(v.stargazers_count / 500, 0.1)}">
	★${v.stargazers_count}
	</span>
	🕐${new Date(v.updated_at)
	.toISOString()
	.replace(/\..*/, "")

wenerme / CommitLogReader.java

Last active January 21, 2016 02:12

RocketMQ commit log reader


	import java.io.File;
	import java.io.IOException;
	import java.net.InetSocketAddress;
	import java.nio.ByteBuffer;
	import java.nio.channels.FileChannel;
	import java.nio.charset.Charset;
	import java.nio.charset.StandardCharsets;
	import java.nio.file.Path;
	import java.nio.file.Paths;

wenerme / BenchGRPCOOME.java

Last active November 18, 2015 01:21

BenchGRPCOOME


	import io.grpc.ManagedChannel;
	import io.grpc.ManagedChannelBuilder;
	import io.grpc.Server;
	import io.grpc.ServerBuilder;
	import io.grpc.stub.StreamObserver;
	import org.openjdk.jmh.annotations.*;
	import org.openjdk.jmh.infra.BenchmarkParams;
	import org.openjdk.jmh.infra.Blackhole;
	import org.openjdk.jmh.infra.IterationParams;

wenerme / TextBubbleBorderDemo.java

Last active March 4, 2019 02:00

A TextBubbleBorder for Java Swing. Inspire by this http://stackoverflow.com/questions/8462414/internal-padding-for-jtextarea-with-background-image/8463742#8463742. Add more features. Use the shortcuts to control the demo. Download: http://resources.wener.me/java/TextBubbleBorderDemo.jar

	import java.awt.BasicStroke;
	import java.awt.Color;
	import java.awt.Component;
	import java.awt.DisplayMode;
	import java.awt.Graphics;
	import java.awt.Graphics2D;
	import java.awt.GraphicsEnvironment;
	import java.awt.Insets;
	import java.awt.Polygon;
	import java.awt.Rectangle;

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