vancanhuit

{
  "root": "/etc/step-ca/certs/root_ca.crt",
  "federatedRoots": null,
  "crt": "/etc/step-ca/certs/intermediate_ca.crt",
  "key": "/etc/step-ca/secrets/intermediate_ca_key",
  "address": ":443",
  "insecureAddress": "",
  "dnsNames": [
    "ca.lab.internal"
  ],

vancanhuit

# https://github.com/lxc/incus/commit/b2cd793ae4ce016ca7da128cc2d14544c041c801
# https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/using_selinux/changing-selinux-states-and-modes_using-selinux#enabling-selinux-on-systems-that-previously-had-it-disabled_changing-selinux-states-and-modes
semanage fcontext -a -t bin_t /var/run/incus_agent/incus-agent
restorecon -R /run/incus_agent
fixfiles -F onboot

vancanhuit

# EditorConfig is awesome: https://EditorConfig.org

# top-most EditorConfig file
root = true

# Unix-style newlines with a newline ending every file
[*]
charset = utf-8
indent_style = space
indent_size = 4

vancanhuit

cat cloud-init-static-ip-container.yaml | incus config set <name> cloud-init.network-config -
cat cloud-init-static-ip-vm.yaml | incus config set <name> cloud-init.network-config -

vancanhuit

incus launch images:rockylinux/9/cloud test --profile rhel
incus launch images:rockylinux/9/cloud test-vm --vm --profile rhel --profile vm-config

vancanhuit

vim.opt.number = true
vim.opt.mouse = 'a'
vim.opt.ignorecase = true
vim.opt.smartcase = true
vim.opt.wrap = true
vim.opt.breakindent = true
vim.opt.tabstop = 2
vim.opt.shiftwidth = 2
vim.opt.expandtab = true
vim.opt.smarttab = true

vancanhuit

set -s default-terminal "tmux-256color"
set -as terminal-overrides ",xterm*:Tc"
set -s escape-time 0

set -g history-limit 50000
set -g display-time 1000
set -g mode-keys vi
set -g base-index 1
set -g pane-base-index 1
set -g automatic-rename off

vancanhuit

DNS

# /etc/hosts
# /etc/resolv.conf
# /etc/nsswitch.conf
$ nslookup google.com
$ dig facebook.com

Switching and Routing

vancanhuit

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "vancanhuit/debian10"
  config.vm.base_mac = nil

  config.vm.define "node1" do |node|
    node.vm.hostname = "node1"
    node.vm.network "private_network", ip: "192.168.10.5", virtualbox__intnet: "inet1"

vancanhuit

x86-64 Integer Registers

#	64-bit	32-bit	16-bit	8-bit
1	%rax	%eax	%ax	%al	Return value
2	%rbx	%ebx	%bx	%bl	Callee saved
3	%rcx	%ecx	%cx	%cl	4th argument
4	%rdx	%edx	%dx	%dl	3th argument
5	%rsi	%esi	%si	%sil	2nd argument
6	%rdi	%edi	%di	%dil	1st argument