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When trying to install appcert I get errors “Invalid character (0x0)”, “tar: directory checksum error”, etc. What is happening?

April 26, 2017appcert errors happening install

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When trying to install appcert I get errors “Invalid character (0x0)”, “tar: directory checksum error”, etc. What is happening?

1 Answer

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Most likely this indicates a failed or partial download of the installation script (e.g. “appcert_install.sparc.sh”). The 2nd line of that file should contain checksum information that will allow you to perform a sum(1) checksum of the whole installation script. If the checksums do not match you will need to try downloading the file again. If the installation script checksum matches correctly, another possibility is that you do not have enough disk space in /tmp or in the destination directory to install the tool.