952 B
952 B
Update PostgreSQL
wget -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O - | sudo apt-key add -
sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ lsb_release -cs-pgdg main" >> /etc/apt/sources.list.d/pgdg.list'
sudo apt-get update
sudo apt-get install postgres-10
sudo su - postgres
psql
Set PSQL defaults
put .psqlrc in home directory \set x '\setenv PAGER less' \set xx '\setenv PAGER 'pspg -bX --no-mouse''
Size of directory: du -hcs //mnt/c/PostgreSQL/cassandra30/
list lines in file wc file
General tasks
wc - print line counts
free - memory usage
du - disk space by file