For My Information For My Information

sudo ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime #set timezone to Seoul vi /etc/ntp.conf server 다 주석처리server time.windows.com 추가 sudo service ntp restart sudo service ntp stop sudo ntpd -gq # sync timesudo service ntp start

for file in $(find . -type f -executable -print); do chmod -x $file; done

http://stackoverflow.com/questions/1527049/join-elements-of-an-array