dongsupark’s gists

dongsupark / capa-multipart-example.txt

Created August 20, 2020 11:50

	MIME-Version: 1.0
	Content-Type: multipart/mixed; boundary="7cc194c95b686cb8cd0d6ea9c3f6fa39f536324b4e0b333d8deffb59e355"

	--7cc194c95b686cb8cd0d6ea9c3f6fa39f536324b4e0b333d8deffb59e355
	content-type: text/cloud-boothook

	#cloud-boothook
	#!/bin/bash

	# Copyright 2020 The Kubernetes Authors.

dongsupark / systemd-v241-origin-gdb-20190502.txt

Created May 4, 2020 13:38

systemd-v241-origin-gdb-20190502

	warning: core file may not match specified executable file.
	[New LWP 4661]
	[New LWP 8321]

	warning: .dynamic section for "/lib64/libidn2.so.0" is not at the expected address (wrong library or version mismatch?)
	[Thread debugging using libthread_db enabled]
	Using host libthread_db library "/lib64/libthread_db.so.1".
	Core was generated by `/usr/lib/systemd/systemd-journald'.
	Program terminated with signal SIGABRT, Aborted.
	#0 0x00007f57e3874a67 in __GI___pthread_timedjoin_ex (threadid=140015198594816,

dongsupark / cluster.tf.arm64.dongsu

Last active October 30, 2019 12:59

Terraform config for Flatcar arm64 clusters


	module "packet-flarmtest" {
	source = "git::https://github.com/kinvolk/lokomotive-kubernetes//packet/flatcar-linux/kubernetes?ref=8bd8ce30e689b7bb3d8517cf19f62762da78fa39"

	providers = {
	aws = "aws.default"
	local = "local.default"
	null = "null.default"
	template = "template.default"
	tls = "tls.default"

dongsupark / packet-escape-installer.txt

Created September 5, 2019 06:49

packet escape to installer

	++ awk -F: '{print $2}'
	+ image_tag=7844cf38831a092c4c6eb712a2edd7349226dafd
	+ gitpath=packethost/packet-images.git
	+ gituri=https://images.packet.net/packethost/packet-images.git
	+ git config --global http.sslverify false
	+ ensure_reachable https://images.packet.net/packethost/packet-images.git
	+ local url=https://images.packet.net/packethost/packet-images.git
	+ echo -e '\033[0;33m###### Checking connectivity to "https://images.packet.net/packethost/packet-images.git"...\033[0m'
	###### Checking connectivity to "https://images.packet.net/packethost/packet-images.git"...
	+ is_reachable https://images.packet.net/packethost/packet-images.git

dongsupark / gist:d2803c12baa89bf10b143c7b34af4ad0

Created July 26, 2019 10:26

temporarily disable selinux check for runc v1.0.0-rc8

	From 7264883458e7bdcd23152495ac141a24d17b8db9 Mon Sep 17 00:00:00 2001
	Message-Id: <7264883458e7bdcd23152495ac141a24d17b8db9.1564136934.git.dongsu@kinvolk.io>
	From: Dongsu Park <[email protected]>
	Date: Fri, 26 Jul 2019 12:19:37 +0200
	Subject: [PATCH] temporarily disable selinux.GetEnabled() error checks

	---
	libcontainer/configs/validate/validator.go \| 4 ----
	utils_linux.go \| 4 ----
	2 files changed, 8 deletions(-)

dongsupark / strace-perl.log

Created February 25, 2019 16:15

strace for perl segfault (strace -s 500 perl -V)

	execve("/bin/perl", ["perl", "-V"], [/* 37 vars */]) = 0
	brk(0) = 0x55c63dbf7000
	access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
	openat(AT_FDCWD, "/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/haswell/x86_64/libperl.so.5.24.1", O_RDONLY\|O_CLOEXEC) = -1 ENOENT (No such file or directory)
	stat("/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/haswell/x86_64", 0x7ffcc20e6380) = -1 ENOENT (No such file or directory)
	openat(AT_FDCWD, "/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/haswell/libperl.so.5.24.1", O_RDONLY\|O_CLOEXEC) = -1 ENOENT (No such file or directory)
	stat("/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/haswell", 0x7ffcc20e6380) = -1 ENOENT (No such file or directory)
	openat(AT_FDCWD, "/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/x86_64/libperl.so.5.24.1", O_RDONLY\|O_CLOEXEC) = -1 ENOENT (No such file or directory)
	stat("/usr/lib64/perl5/5.24.1/x86_64-linux/CORE/tls/x86_64", 0x7ffcc20e6380) = -1 ENOENT (No such file or directory)
	openat(A

dongsupark / memory_monitor

Created August 29, 2018 12:16

a quick and dirty memory monitoring, timestamp:used (in MB)

dongsupark / runc-unshare-eperm-strace

Created May 25, 2018 10:34

	execve("./validation/linux_ns_path.t", ["./validation/linux_ns_path.t"], 0x7fff2eb42e98 /* 30 vars */) = 0
	brk(NULL) = 0x26d4000
	access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
	openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY\|O_CLOEXEC) = 3
	fstat(3, {st_mode=S_IFREG\|0644, st_size=171447, ...}) = 0
	mmap(NULL, 171447, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fa2da820000
	close(3) = 0
	openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY\|O_CLOEXEC) = 3
	read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0Pb\0\0\0\0\0\0"..., 832) = 832
	fstat(3, {st_mode=S_IFREG\|0755, st_size=113048, ...}) = 0

dongsupark / hcloud-ds.tf

Last active February 9, 2021 20:16

Dongsu's terraform config for hetzner cloud

	module "hetzner-mycluster" {
	#source = "git::https://github.com/kinvolk/typhoon//hetzner-cloud/container-linux/kubernetes?ref=alban/hetzner"
	source = "git::[email protected]:kinvolk/spacecraft-typhoon//hetzner-cloud/container-linux/kubernetes?ref=alban/hetzner"

	providers = {
	aws = "aws.default"
	local = "local.default"
	null = "null.default"
	template = "template.default"
	tls = "tls.default"

dongsupark / dep-init-failure-rktlet

Created January 30, 2018 15:50

dep init failure on rktlet

	Getting direct dependencies...
	Checked 27 directories for packages.
	Found 18 direct dependencies.
	Root project is "github.com/kubernetes-incubator/rktlet"
	12 transitively valid internal packages
	34 external packages imported from 18 projects
	(0) ✓ select (root)
	(1) ? attempt github.com/golang/glog with 1 pkgs; 1 versions to try
	(1) try github.com/golang/glog@master
	(1) ✓ select github.com/golang/glog@master w/1 pkgs

Dongsu Park dongsupark