PCS/UPSC books

initdb: error: directory "/var/lib/postgresql/data" exists but is not empty If you want to create a new database system, either remove or empty the directory "/var/lib/postgresql/data" or run initdb with an argument other than "/var/lib/postgresql/data"
'unicodeescape' codec can't decode bytes in position 28-29: truncated \UXXXXXXXX escape
Loading local data is disabled; this must be enabled on both the client and server sides