wallace11

Tricks

Command	Description
dd if=/dev/<sdx> bs=<bs> count=1 | hexdump -C hexdump -C -n <bytes> <dev>	Print hexdump of a drive

Directory indexing

1. Set hashed b-trees to speed up lookup for large dirs: tune2fs -O dir_index /dev/<SDX>
2. Optimize directories (reindexing/sorting and compressing): e2fsck -D /dev/<SDX>

wallace11

Arch

Fix alsa 1.2.x:

pacman -U https://archive.archlinux.org/packages/a/alsa-lib/alsa-lib-1.1.9-2-x86_64.pkg.tar.xz
pacman -U https://archive.archlinux.org/packages/a/alsa-utils/alsa-utils-1.1.9-1-x86_64.pkg.tar.xz

Old

wallace11

Extract bluray audio

ffmpeg -i VIDEO.m2ts -map 0:<stream> -acodec <pcm_s24le|libmp3lame> audio.<wav|mp3>

wallace11

var check = OBJECT.find(function(obj) {
                             return obj.id == id;
                         });

wallace11

1. sudo apt-get remove openssh-server && sudo apt-get install openssh-server

2. /etc/ssh/sshd_config:

   Change - PermitRootLogin no
   Add - AllowUsers yourusername
   Change - PasswordAuthentication yes
   Add - UsePrivilegeSeparation no
   Change - ListenAddress 0.0.0.0
   

Change - Port 2200

wallace11

Description	Command	Reference
Store credentials	git config credential.helper store
Allow no comment on commit	git config --global alias.nccommit 'commit -a --allow-empty-message -m ""'	Source
Undo a commit	git reset HEAD~
List remotes	git remote -v
Change remote	git remote set-url origin <URL>	Reference
Append to last commit	git commit --amend

Fresh start

wallace11

• https://github.com/Xfennec/progress
• https://github.com/laurent22/massren
• https://github.com/isacikgoz/tldr
• https://github.com/manolomartinez/greg
• https://github.com/posva/catimg
• https://github.com/joh/when-changed
• https://github.com/wavexx/screenkey
• https://github.com/philipl/evdevremapkeys
• https://github.com/adulau/dcfldd
• https://github.com/cjbassi/gotop

wallace11

Force display errors

error_reporting(E_ALL);
ini_set('display_errors', 1);

Disable caching in php.ini

opcache.enable=0

wallace11

Low Cython version

Makefile:2019: recipe for target 'src/cython/vapoursynth.c' failed
make: *** [src/cython/vapoursynth.c] Error 1

recipe for target 'src/cython/vapoursynth.c' failed

Probably due to Cython version 0.25.2 (Debian stretch default)

wallace11

https://github.com/wrzlbrmft/arch-odroid