Unnamed

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Reading package lists... Done
W: GPG error: http://www5.autistici.org /debian/binary-amd64/ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D931DAA211F6E468
W: You may want to run apt-get update to correct these problems
user@64studio:~$ gpg --keyserver subkeys.pgp.net --recv-keys 11F6E468 ; gpg --export 11F6E468 | sudo apt-key add -;
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5d74d0.64studio.13427': Permission denied
gpg: keyblock resource `/home/user/.gnupg/secring.gpg': general error
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5daf40.64studio.13427': Permission denied
gpg: keyblock resource `/home/user/.gnupg/pubring.gpg': general error
gpg: requesting key 11F6E468 from hkp server subkeys.pgp.net
gpg: no writable keyring found: eof
gpg: error reading `[stream]': general error
gpg: Total number processed: 0
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5d73d0.64studio.13431': Permission denied
gpg: keyblock resource `/home/user/.gnupg/secring.gpg': general error
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5dae40.64studio.13431': Permission denied
gpg: keyblock resource `/home/user/.gnupg/pubring.gpg': general error
gpg: WARNING: nothing exported
gpg: no valid OpenPGP data found.
user@64studio:~$ gpg --keyserver subkeys.pgp.net --recv-keys 11F6E468 ; gpg --export 11F6E468 | sudo apt-key add
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5d74d0.64studio.13441': Permission denied
gpg: keyblock resource `/home/user/.gnupg/secring.gpg': general error
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5daf40.64studio.13441': Permission denied
gpg: keyblock resource `/home/user/.gnupg/pubring.gpg': general error
gpg: requesting key 11F6E468 from hkp server subkeys.pgp.net
gpg: no writable keyring found: eof
gpg: error reading `[stream]': general error
gpg: Total number processed: 0
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5d73d0.64studio.13443': Permission denied
gpg: keyblock resource `/home/user/.gnupg/secring.gpg': general error
gpg: failed to create temporary file `/home/user/.gnupg/.#lk0x5dae40.64studio.13443': Permission denied
gpg: keyblock resource `/home/user/.gnupg/pubring.gpg': general error
gpg: WARNING: nothing exported
gpg: can't open `': No such file or directory