Kill

Permanently add SSH Key Password to the Keychain ssh-add --apple-use-keychain ~/.ssh/THEPRIVATEKEY Tool for Window Management Install rectangle Install with brew brew install rectangle Useful Shortcuts Move current app to previous or next display Ctrl+Opt+Cmd+LEFT or Ctrl+Opt+Cmd+RIGHT Maximize window Ctrl+Opt+ENTER Beginners List of Shortcuts coming from Linux …​ Finder Show hidden files in Finder: cmd + shift + . Open Finder: Option + Cmd + Space Open Location: Shift + Cmd + G Change to parent dir in Finder: super + UP ...

Administration & Configuration Connections Show Max Connections (value and source) SELECT setting, source, sourcefile, sourceline FROM pg_settings WHERE name = 'max_connections'; Set Max Connections ALTER system SET max_connections = 250; Kill Connections for a Database SELECT pg_terminate_backend(pid) FROM pg_catalog.pg_stat_activity -- we don't want to kill our own connection WHERE pid != pg_backend_pid() -- we don't want to kill connections to other databases AND datname = 'MYDATABASE' Show Statement Timeout Settings for All Users SELECT r.rolname, (SELECT unnest(s.setconfig) FROM pg_db_role_setting s WHERE s.setrole = r.oid AND s.setconfig::text LIKE '%statement_timeout%' LIMIT 1) AS statement_timeout FROM pg_roles r WHERE r.rolcanlogin ORDER BY r.rolname; ...