我为什么这个源 加不上去,
2.nano /etc/apt/sources.list,加入wvdial(arm体系)的源
deb
http://b3.update.excito.org vincent main
W: GPG error:
http://b3.update.excito.org vincent InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8E19B63B698EBEBB
这个pub key 还在 PGP 服务器上找不到。