This is just a reminder for me really, as I struggle to debug one of our LAMP sites after our Sys Admin left…
cd [directoryname] – Change directory
cd .. – Go up one directory
cd ../.. – Go up 2 directories
ls – List directory contents
cat [filename] – Show the contents of a text file
rm [filename] – Delete a file
rmdir [directory] – Delete a directory
rmdir -r [directory] – Delete a directory and all it’s contents
sh [filename] – Execute a shell script file
Tab – Complete a filename
Ctrl + c – Cancel a running command
crontab -l – List all the current user’s cron jobs
ps -A – List all running processes
ps -A | grep java – list all running java processes
find -name *blah*.zip – Find all zip files with blah in their name, more examples
grep “[string literal]” *.log -C 4 – Search for a string literal in all .log files and return 4 lines on either side of the matching line, more examples
tail [filename] -follow - Show the last 10 lines of a file and watch it for changes (Ctrl + c to cancel)
