Notes for Mac and shell cmds/scripts

shell_and_mac_notes.txt

shopt -s globstar

alias get-checksum='cd $1; find -type f -exec md5sum {} + | tee $2; cd -'

function timeout() { perl -e 'alarm shift; exec @ARGV' "$@"; }

alias speedtest='wget -O /dev/null http://speedtest.wdc01.softlayer.com/downloads/test10.zip'

alias fixvpn="sudo route -n flush && sudo networksetup -setv4off Wi-Fi && sudo networksetup -setdhcp Wi-Fi"

# for Mac
flushdns(){
    sudo killall -HUP mDNSResponder
}

#ulimit -n 65536
#ulimit -u 2048

# to check JAVA_HOME on Mac: /usr/libexec/java_home [-v 1.6]
#export JAVA_HOME=`/usr/libexec/java_home`
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home