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daluu/shell_and_mac_notes.txt

Created February 25, 2022 01:04
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Notes for Mac and shell cmds/scripts
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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
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