venv

brew install python3

mkdir -p ~/bin/python3
python3 -m venv ~/bin/python3
source ~/bin/python3/bin/activate

enjoy!

Openvpn and unbound combined break dig command

• when doing DNS lookup against remote unbound server over OpenVPN connection
• results not coming back, or say "reply from unexpected source" 
• ping and ssh work fine

• fix unbound.conf 
• "interface" parameter -> local ip instead of "0.0.0.0"
• replies will have the local ip and not the OpenVPN ip now

Sample reply when still broken:

;; reply from unexpected source: 192.168.30.1#53, expected 172.30.1.54#53

Recover wireless of Ubuntu on MacBook Air 4,2

1. sudo apt-get --reinstall install bcmwl-kernel-source
2. sudo modprobe -r b43 ssb wl brcmfmac brcmsmac bcma
3. sudo modprobe wl

Broadcom 802.11 Linux STA wireless driver source

Increase bash history size on Mac

1. Add below lines to end of ~/.bash_profile
2. Source result or log out and back in
1. source ~/.bash_profile
3. Test
1. echo $HISTFILESIZE
2. echo $HISTSIZE

export HISTFILESIZE=2500

export HISTSIZE=""