snowmanunderwater

#!/usr/bin/bash
# script for setup xubuntu 20.04 after install

USER=$(whoami)

rm -rf ~/Public ~/Templates
mkdir ~/.local/bin ~/.fonts

BEFORE=$(dpkg-query -f '${binary:Package}\n' -W | wc -l)

snowmanunderwater

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

snowmanunderwater

Introduction

• C-a == Ctrl-a
• M-a == Alt-a

General

:q        close
:w        write/saves
:wa[!]    write/save all windows [force]
:wq       write/save and close

snowmanunderwater

# create tmux
$ tmux new-session -s NAME

# detach from tmux
^b d

# attach to tmux
$ tmux attach -t NAME

# create new window

snowmanunderwater

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

snowmanunderwater

VSCode: Open directory from integrated terminal.

code -r .

xclip

1. pwd | xclip copy to primary
2. pwd | xclip -selection clipboard copy to clipboard (Ctrl+C, Ctrl+V)
3. xclip -selection clipboard -f FILENAME copy from FILE
4. xclip -o paste from primary