hapylestat

# Remove sparce space from qcow image
# https://serverfault.com/questions/432119/is-there-any-way-to-shrink-qcow2-image-without-converting-it-raw
qemu-img convert -O qcow2 source.qcow2 shrunk.qcow2



# show progress bar for tar 
# https://superuser.com/questions/168749/is-there-a-way-to-see-any-tar-progress-per-file
# note: it requires "pv" package to be installed
_folder=./folder

hapylestat

nets/kvm.conf
-------------

LANID="150"
LANGROUP="239.1.1.1"
LANDEV="eth0"
LINKIP="10.235.0.1/24"
LAN_MTU=1550
# in case if dynamic VxLAN groups work unstable, use direct remotes assigment
#REMOTES=""

hapylestat

#!/bin/bash 

# Put the file to: /etc/profile.d/

port-forward(){
  local port=\$1
  local to_ip=\$2
  if [ -z \${port} ] || [ -z \${to_ip} ]; then
    echo "Usage: port-forward [port] [destination ip]"
    return

hapylestat

!!!!!!!!!!!!!!!
!!!! WARNING -> Ubuntu 20.10 require WSL2 kernel 5.7+, to build one please follow instructions in build-wsl-kernel.sh
!!!!!!!!!!!!!!!

Step 1. Install/Upgrade WSL2 to Ubuntu 20.10 +
  source /etc/os-release
  sudo sh -c "echo 'deb http://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable/xUbuntu_${VERSION_ID}/ /' > /etc/apt/sources.list.d/devel:kubic:libcontainers:stable.list"
  wget -nv https://download.opensuse.org/repositories/devel:kubic:libcontainers:stable/xUbuntu_${VERSION_ID}/Release.key -O- | sudo apt-key add -
  apt install podman
Step 2. Install Podman

hapylestat

[alias]
    find = log --pretty=\"format:%Cgreen%H %Cblue%s\" --name-status --grep

hapylestat

#!/bin/bash


#require  lxcfs

podman run --rm -it --memory=100M \
      -v /var/lib/lxcfs/proc/cpuinfo:/proc/cpuinfo:rw \
      -v /var/lib/lxcfs/proc/diskstats:/proc/diskstats:rw \
      -v /var/lib/lxcfs/proc/meminfo:/proc/meminfo:rw \
      -v /var/lib/lxcfs/proc/stat:/proc/stat:rw \

hapylestat

Guide requires
===============
- iptables
- ipset
- sshguard with ipset backend

Steps:
- put/modify service files below in the directory /etc/systemd/system
- adjust sshguard.conf file with settings mentined below
- adjust iptables settings by adding the following lines at the BEGGINIG of INPUT filter

hapylestat

• create minio user: useradd -s /sbin/nologin -d /opt/minio minio
• create /opt/minio folder
• download minio from the https://min.io/download#/linux : wget https://dl.minio.io/server/minio/release/linux-amd64/minio
• check auto_install.sh steps

hapylestat

#!/us/sbin/env python3

def read_single_keypress():
    """Waits for a single keypress on stdin.

    This is a silly function to call if you need to do it a lot because it has
    to store stdin's current setup, setup stdin for reading single keystrokes
    then read the single keystroke then revert stdin back after reading the
    keystroke.

hapylestat

def terminal_width():
  """ 
   refactor/reassebly of https://gist.github.com/jtriley/1108174
  """
  import platform
  import struct
  import os

  current_os = platform.system()
  if current_os == 'Windows':