New answers tagged gpg
They are (as the "lk" suggests) lock files. A comment in the gnupg sources says This function creates a lock file in the same directory as FILE_TO_LOCK using that name and a suffix of ".lock". Note that on POSIX systems a temporary file ".#lk..pid[.threadid] is used. and also states that there is a cleanup function (to remove obsolete locks). ...
You need to input EOF (End Of File). Do this with CTRL+D (or more generally, ^D).
For me it was required to add ENV statements into my docker file. E.g. ENV http_proxy "http://[yourproxy]:[port]/" ENV https_proxy "http://[yourproxy]:[port]/"
I wasn't sure whether or not I should just delete this question because it turned out to be the very common proxy problem. I was convinced this wasn't it but doing a wget -O- http://cdn.debian.net/debian/dists/jessie/InRelease as suggested returned a response from our proxy. I didn't think I was pointing to our proxy but i was!
This is not the way GPG works. You encrypt a file with a public key (may be yours), and decrypt it with a private key. So if you share your public key on the Internet, anyone would be able to encrypt a file with your public key, but you would be the only one able to decrypt it. See : http://www.dewinter.com/gnupg_howto/english/GPGMiniHowto-1.html
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