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How to fix Ubuntu/Debian apt-get 404 Not Found Package Repository Errors (Saucy, Raring, Quantal, Oneiric, Natty…) | sMyles
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What to do if you get a "public key not available" (NO_PUBKEY) error message when upgrading the repository on your older Debian system | Linux portal
![The repository does no longer have a Release file' when RaspberryPi update. – Astralivious home sweeties The repository does no longer have a Release file' when RaspberryPi update. – Astralivious home sweeties](https://rageworx.info/wp-content/uploads/2019/07/rpi3bp_update.png)
The repository does no longer have a Release file' when RaspberryPi update. – Astralivious home sweeties
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apt-key Is Deprecated. How To Add OpenPGP Repository Signing Keys Without It On Debian, Ubuntu, Linux Mint, Pop!_OS, Etc. - Linux Uprising Blog
![Cannot access repository. Is this somehow related to Debian version? Because when I install Debian 9.9 in my laptop as a VM, everything is perfect. But when I try to install Debian Cannot access repository. Is this somehow related to Debian version? Because when I install Debian 9.9 in my laptop as a VM, everything is perfect. But when I try to install Debian](https://preview.redd.it/vzty4gtdp1731.jpg?width=640&crop=smart&auto=webp&s=ee49e08a86fc8acaed08f145fc664b107a6070d0)