Skip to content

Instantly share code, notes, and snippets.

View nelaaro's full-sized avatar

Aaron Nel nelaaro

View GitHub Profile
@nelaaro
nelaaro / easy-client-vpn-strongswan.md
Created June 14, 2019 11:39 — forked from clivetyphon/easy-client-vpn-strongswan.md
Easy client VPN for all major platforms using strongSwan IPsec

Easy client VPN for all major platforms using strongSwan IPsec

Overview

The goal here is to provide quick and easy but secure client VPN that can be configured natively without any additional software on:

  • Linux
  • iOS
  • Android
  • Windows
  • OSX
@miguelmota
miguelmota / pipe_tail_read_file.sh
Created August 2, 2018 06:17
Bash pipe tail file while loop read line
#!/bin/bash
# read from stdin
while read line
do
echo "$line"
done < "${1:-/dev/stdin}"
# read from file
while read line
@legowerewolf
legowerewolf / hyperstart.bat
Last active December 29, 2023 16:45
Selecting a shell on startup in the Hyper terminal emulator
@ECHO off
:top
CLS
ECHO Choose a shell:
ECHO [1] cmd
ECHO [2] bash
ECHO [3] PowerShell
ECHO [4] Python
ECHO.
ECHO [5] restart elevated
@sv0
sv0 / how-to-fix-tmux-fail.md
Last active February 20, 2022 18:51
How to fix tmux error "terminal open failed: missing or unsuitable terminal: rxvt-unicode-256color"

If tmux fails with an error terminal open failed: missing or unsuitable terminal: rxvt-unicode-256color

log in to your remote host and create .terminfo/r in your home directory:

mkdir -p ~/.terminfo/r

copy terminal information file to remote machine:

scp /usr/share/terminfo/r/rxvt-unicode* remote.host:~/.terminfo/r/

@clivetyphon
clivetyphon / easy-client-vpn-strongswan.md
Last active August 23, 2024 05:11
Easy client VPN for all major platforms using strongSwan IPsec

Easy client VPN for all major platforms using strongSwan IPsec

Overview

The goal here is to provide quick and easy but secure client VPN that can be configured natively without any additional software on:

  • Linux
  • iOS
  • Android
  • Windows
  • OSX
@Khoulaiz
Khoulaiz / gist:41b387883a208d6e914b
Last active August 30, 2024 01:05
Checking ports without telnet

Here are several different ways to test a TCP port without telnet.

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23
@marvell
marvell / remove_apt_cache
Created May 18, 2015 15:29
Remove APT cache (for Dockerfile)
apt-get clean autoclean
apt-get autoremove --yes
rm -rf /var/lib/{apt,dpkg,cache,log}/
@waylan
waylan / subprocess_pipe.md
Created April 10, 2012 19:12
Writing to a python subprocess pipe

Here's a few things I tried to write output to a python subprocess pipe.

from subprocess import Popen, PIPE

p = Popen('less', stdin=PIPE)
for x in xrange(100):
    p.communicate('Line number %d.\n' % x)