> When I am trying to upgrade 9.6 to 10 . I'M getting this error , please > help me out
What OS and version?
Where did you install Postgres from?
> > pg_upgrade check for "/opt/postgresql/10/bin/passwd" failed: no such > file or directory failure, exiting
AFAIK, passwd is not a regular binary in the community edition. Have you installed an extension in the 9.6 instance that you have not installed in the 10 instance? Or something else along that line?