UBER COMMANDS

gistfile1.txt

// VIM

// When copy/pasting react code, turn off vim autoclose tags
:CloseTagDisableBuffer
:CloseTagEnableBuffer

// vim batch command
:cdo s/pattern/newpattern/g | update

// repeat a macro with visual mode
// @a is just an example, use any macro
:'<,'>g/^/ norm @a

// sort lines alphabetically
:1,$!sort

// delete duplicate lines, MUST BE SORTED FIRST - SEE ABOVE
:1,$!uniq


// LINUX

// create a password or secret codes with openssl
openssl rand 60 | openssl base64 -A

// secret key generator
echo -n "somevalue" | openssl sha512 -hmac "somekey"

// clear systen cache (DO NOT USE IN PRODUCTION!!)
sync; echo 1 > /proc/sys/vm/drop_caches   // Clears PageCache only
sync; echo 2 > /proc/sys/vm/drop_caches   // Clears dentries and inodes
sync; echo 3 > /proc/sys/vm/drop_caches   // Clears PageCache, dentries and inodes
sudo apt-get clean                        // Clears the apt cache