MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

earthgecko

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1

drawveloper

This can reduce files to ~15% of their size (2.3M to 345K, in one case) with no obvious degradation of quality.

ghostscript -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf

Other options for PDFSETTINGS:

• /screen selects low-resolution output similar to the Acrobat Distiller "Screen Optimized" setting.
• /ebook selects medium-resolution output similar to the Acrobat Distiller "eBook" setting.
• /printer selects output similar to the Acrobat Distiller "Print Optimized" setting.
• /prepress selects output similar to Acrobat Distiller "Prepress Optimized" setting.

rxaviers

People

:bowtie:	😄 :smile:	😆 :laughing:
😊 :blush:	😃 :smiley:	☺️ :relaxed:
😏 :smirk:	😍 :heart_eyes:	😘 :kissing_heart:
😚 :kissing_closed_eyes:	😳 :flushed:	😌 :relieved:
😆 :satisfied:	😁 :grin:	😉 :wink:
😜 :stuck_out_tongue_winking_eye:	😝 :stuck_out_tongue_closed_eyes:	😀 :grinning:
😗 :kissing:	😙 :kissing_smiling_eyes:	😛 :stuck_out_tongue:

ambakshi

#!/bin/bash
#
# Assume the given role, and print out a set of environment variables
# for use with aws cli.
#
# To use:
#
#      $ eval $(./iam-assume-role.sh)
#

hanshasselberg

 sudo apt-get install -y bind9utils libbind-dev libkrb5-dev libssl-dev libcap-dev libxml2-dev
 curl ftp://ftp.nominum.com/pub/nominum/dnsperf/2.0.0.0/dnsperf-src-2.0.0.0-1.tar.gz -O
 tar xfvz dnsperf-src-2.0.0.0-1.tar.gz
 cd dnsperf-src-2.0.0.0-1
 ./configure
 make
 sudo make install

ragusa87

#!/bin/bash

# Extract data from nandroid backup of Google Authenticator 2
# > /data/data/com.google.android.apps.authenticator2/databases/databases
# require: sqlite3 + qrencode
sqlite3 databases <<!
.headers off
.mode csv
.output codes.csv
select printf("otpauth://totp/%s?secret=%s&issuer=%s",email,secret,issuer) from accounts;

danwagnerco

Vim, Vundle and ConEmu on Windows

Let's start by getting it out on the table: Sublime Text is great, and version 3 should no longer be considered "abandonware" as of build 3065. Sublime Text served me very, very well over the years. That said, trying out new things is a major part of leveling-up, and in that vein Vim deserves a go. (And have you seen some of those thoughtbot guys flying around in Vim? It's awesome!)

Getting Vim up-and-running on your Windows machine doesn't have to be an all-day project. In this post, we'll walk through:

• Installing gVim, which gives us both the "classic" command line version as well as the graphical version
• Installing Vundle, the best way to handle Vim-enhancing packages
• Installing ConEmu, a supercharged command line emulator for Windows

nitrobin

# http://wiki.ros.org/docker/Tutorials/GUI
# mount /etc/group and /etc/passwd read only
# set user from $USER
docker run -ti --rm -v $(pwd):/tmp/hx -w /tmp/hx -v /etc/group:/etc/group:ro -v /etc/passwd:/etc/passwd:ro —user=$USER debian:jessie

jesstelford

Note: as @clibois mentioned below, due to the DRM Netflix uses, all decoding has to be done in CPU, making it somewhat choppy.

Note 2: Even the RPi 3 suffers from these CPU limitations. There is the potentially risky option of overclocking your RPi 3, but I haven't tried this.

If you manage to get smooth playback, please contact me, or post your solution here

UPDATE: I can no longer get this method to work. I have tried using Chromium v47, and v48, and both result in Netflix error "Oops, something went wrong" / C7053-1807, for which I can find no description online. If you manage to get things up and running, please contact me!

OSMC