Ubuntu 16.04.2执行 sudo apt-get update .警告如下:W: GPG error: http://dl.google.com/linux/chrome/deb stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6494C6D6997C215E 报错原因是:google chrome 改变了li…

在安装更新时,即在运行命令行sudo apt-get update 或者运行更新管理器的时候,出现W: GPG 错误: W: GPG error: http://ppa.launchpad.net/ondrej/php/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C 可…

From:http://www.njava.com/njava-626.html 更换163源后,更新源时出现错误. # apt-get update W: GPG error: http://extras.ubuntu.com precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192 使用go…

在用 sudo apt-get update 时出现这样的报错: W: GPG error: http://archive.ubuntukylin.com:10006/ubuntukylin xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8D5A09DC9B929006 解决方案: sudo apt-key adv…

报错信息: W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8CF63AD3F06FC659 解决: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8CF63AD…

不多说,直接上干货! 问题详情  解决办法 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4DF9B28CA252A784 即可 欢迎大家,加入我的微信公众号:大数据躺过的坑        人工智能躺过的坑       同时,大家可以关注我的个人博客:    http://www.cnblogs.com/zlslch/   和     http://www.cnblogs.com/lchzls/      http:/…

1.wget 32bits: wget https://dl.google.com/linux/direct/google-chrome-stable_current_i386.deb 64bits: wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb 2.添加PPA a.下载签名秘钥 wget -q -O - https://dl-ssl.google.com/linux/linux_si…

  This morning when I do apt-get update on my new Ubuntu 14.04 server, I got these error messages: Reading package lists… Done W: GPG error: http://security.ubuntu.com trusty-security Release: The following signatures couldn’t be verified because the…

GPG error: The following signatures couldn't be verified because the public key is not available I have had it happen on several occasions where I try to update software and I get a GPG error like this: $ sudo apt-get update W: GPG error: http://inve…

今天在更新运行apt-get update的时候出现了如下的错误: W: GPG error: http://extras.ubuntu.com trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY F60F4B3D7FA2AF80 解决方法: sudo apt-key adv --keyserver keyserver.ub…