gilyes

Backup:
docker exec -t -u postgres your-db-container pg_dumpall -c > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql

Restore:
cat your_dump.sql | docker exec -i your-db-container psql -Upostgres

branquito

command to find recursively files {can be modified for folders too, change -type f}, and renamed them by specfying regex pattern

find . -type f -maxdepth [depth] -name "[filepattern]" | while read FNAME; do mv "$FNAME" "${FNAME//search/replace}"; done

example:

find . -type f -maxdepth 1 -name "domain*.php" | while read FNAME; do mv "$FNAME" "${FNAME//domain/lead}"; done

before:             after: