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I am running CentOS 7 with PostgreSQL 13, and I have been trying to install pgAdmin 4 (version 4.x) due to compatibility issues between pgAdmin 5.x and PostgreSQL 13. Unfortunately, I am encountering several issues during installation.

Here are the details:

  • I attempted to install pgAdmin 4 using yum with the official pgAdmin repository. However, I faced a 404 error because the repository URL seems to be broken or outdated: 
    https://ftp.postgresql.org/pub/pgadmin/pgadmin4/yum/rhel7/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
  • I also tried installing pgAdmin by downloading the .rpm package directly from the official site using wget: 
    wget https://ftp.postgresql.org/pub/pgadmin/pgadmin4/rpm/pgadmin4-6.19-1.rhel7.x86_64.rpm
    However, I received a 404 Not Found error indicating the file is unavailable.
  • Then, I tried installing the repository configuration package (pgadmin4-redhat-repo-2-1.noarch.rpm) using rpm -i, which seemed to install successfully. But when I ran rpm -Uvh to install pgAdmin 4, I encountered an error stating "No such file or directory" because the .rpm file wasn’t available in the working directory.

Here are the steps I've taken so far:

  • Added the repository using rpm for pgAdmin4.
  • Downloaded the .rpm files for pgAdmin 4 (but the download URLs return a 404 error).
  • Tried installing via yum and rpm but faced repository issues or missing files.

I need to install a version of pgAdmin 4 that's compatible with PostgreSQL 13. Could anyone guide me on the correct steps or provide alternative installation methods that could resolve these issues?

My environment:

  • CentOS 7
  • PostgreSQL 13
  • pgAdmin 5.x compatibility issue with PostgreSQL 13

Any help or suggestions would be greatly appreciated!

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