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Struggling with the PostgreSQL Initdb Failed Due to Directory Invalid Permission issue ?

The PostgreSQL error "Initdb Failed Due to Directory Invalid Permission" occurs when the permissions on the directory specified for the database cluster are incorrect. This prevents PostgreSQL from successfully initializing the cluster.

With a few simple steps outline below, the error can be fixed:

1. We must first use the ls -l command to check the directory permissions: $ ls -l

2. If they are not correct, then we can use the chmod command to change the permissions; for instance, we can set the permissions to `700` to give the owner read, write, and execute permissions with the command: $ chmod 700 /path_to_the_cluster_directory

3. We can avoid the "Initdb Failed Due to Directory Invalid Permission" error by testing the permissions and running the initdb command like this: $ initdb -D /path_to_the_cluster_directory

Once these steps are completed, the cluster will be successfully initialized.

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