Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and ...

An exit code other than 0 indicates that a script or a command has failed in some way. Learn more about exit codes and the types of errors they represent in this post. Whenever you run a command in a ...

Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

いざスマホにビルドしようとしたら、失敗した模様。 いままで成功していたのに、急になぜ…？ とにかくどんなエラーか見てみると、 「Command CodeSign failed with a nonzero exit code」と書いてある。 とりあえず調べてみた。 どうやら証明書のエラーらしい。