ROHIT YADAV

How to kill 80 port on server:-Run :-

lsof -wni TCP:80

Then kill ps :-

       kill -9 ...

Or
       sudo kill `sudo lsof -t -i:80`



When getting error :-

bind() to 0.0.0.0:80 failed (98: Address already in use)
Run that command on server for killing the port 80:    sudo fuser -k 80/tcp https://easyengine.io/tutorials/nginx/troubleshooting/emerg-bind-failed-98-address-already-in-use/
When getting 404 error on server :-
        location / {            root /var/deploy/pdm_expert/pdm/public;         }
https://www.keycdn.com/support/404-not-found-nginx/

Create postgres database using command line:-createdb -h localhost -p 5432 -U postgres databasename Import databasepsql -h localhost -U username -d databasename -f /filepath/filename.sql Or for dump file extension:-pg_restore -U username -d dbname -1 filename.dumpor pg_restore -h localhost -U root -W -F t -d databasename database_dump_file.tar orpg_restore -h localhost -p 5432 -U postgres -d databasename -v "pro.dump" https://stackoverflow.com/questions/2732474/restore-a-postgres-backup-file-using-the-command-line Export databasepg_dump -U postgres databasename > filename.sql When we are getting error likeWhen we get error at the time of import the postgres database :- : FATAL:  Peer authentication failed for user "postgres"then:-
The problem is still your pg_hba.conf file (/etc/postgresql/9.1/main/pg_hba.conf). This line:local   all             postgres                                peer

Should be

local   all             postgres                               …