grebneke questions

grebneke answers

• How to get the total memory of a process which fork many children in linux with shell?
• Linux SED RegEx replace, but keep wildcards
• Bash: Native way to check if an entry is one line?
• grep pattern to exclude negative numbers from file
• recursively delete all files except some especific types
• Can Linux flock(fd, LOCK_EX|LOCK_NB) fail spuriously?
• Removing '-' on linux md5sum
• json decoding in perl
• Apache: Using reverse proxy and run local website
• Signal handling in python-daemon