W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://download.opensuse.org/repositories/home:/manuelschneid3r/xUbuntu_18.04 Release: The following signatures were invalid: EXPKEYSIG 1488EB46E192A257 home:manuelschneid3r OBS Project <home:manuelschneid3r@build.opensuse.org>
E: http://download.opensuse.org/repositories/home:/manuelschneid3r/xUbuntu_18.04 Release.gpg is not (yet) available (The following signatures were invalid: EXPKEYSIG 1488EB46E192A257 home:manuelschneid3r OBS Project <home:manuelschneid3r@build.opensuse.org>)
![repo](https://camo.githubusercontent.com/9e4835541e5bece2616472e697b8503bdb8f34dcbbc106e6bc7d9bb789b48056/68747470733a2f2f736f6674776172652e6f70656e737573652e6f72672f646f776e6c6f61642e68746d6c3f70726f6a6563743d686f6d653a6d616e75656c7363686e6569643372267061636b6167653d616c62657274)
wget -nv https://download.opensuse.org/repositories/home:manuelschneid3r/xUbuntu_18.04/Release.key -O Release.key
sudo apt-key add - < Release.key
sudo apt-get update