When I do command sudo apt update, always get belowing errors: Err:1 http://archive.ubuntu.com/ubuntu bionic InRelease Could not connect to archive.ubuntu.com:80 (91.189.91.23). - connect (111: Connection refused) Could not connect to archive.ubuntu.…

Ubuntu操作系统运行apt update命令时会卡在Connecting to security.ubuntu.com,搭了梯子也无法解决 尝试了网络上的方法,如: https://blog.csdn.net/v6543210/article/details/81562266 https://ubuntuqa.com/article/1400.html 但这些方法是解决由于访问security.ubuntu.com ipv6地址造成的无法访问的问题,所以对于我的问题并不管用. 后来通过网站…

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…

在ubuntu下执行sudo apt-get update时,经常会遇到报错: Err http://security.ubuntu.com precise-security InRelease Err http://security.ubuntu.com precise-security Release.gpg Temporary failure resolving 'security.ubuntu.com' Err http://cn.archive.ubuntu.com precise I…

FROM : http://blog.csdn.net/ronghua_liu/article/details/8609450 当运行apt-get update后出现如下错误时:E: Some index files failed to download, they have been ignored, or old ones used instead. 可以将目录下/var/lib/apt/lists/partial/所有的文件清掉,再次运行apt-get update即可!自带源在大陆不好…

在说这个解决方案之前,我先说下,目前遇到的问题: 我使用 sudo apt-get update 之后,更新失败.具体原因如下: W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/karmic/main/binary-i386/Packages.gz  404  Not Found [IP: 180.101.150.32 80] 意思是:上面的这个文件(Packages.gz)无法找到!   我通过打开网页http://cn…

问题: 执行sudo apt-get update提示:Failed to fetch chen@ubuntu:~/soft/Python-$ sudo apt-get update Get: http://ppa.launchpad.net/fkrull/deadsnakes-python2.7/ubuntu xenial InRelease [2,281 B] Err: http://ppa.launchpad.net/fkrull/deadsnakes-python2.7/ubuntu x…

apt-get update --> Bad header line (fresh install) fresh natty install i386 desktop. I get this errors: Code: $ sudo apt-get update Ign http://extras.ubuntu.com natty InRelease Ign http://archive.ubuntu.com natty InRelease Ign http://archive.ubuntu.c…

我使用sudo apt-get update之后,更新失败,遇到如下错误. W: Failed to fetch http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu/dists/precise/main/source/Sources  404  Not Found W: Failed to fetch http://ppa.launchpad.net/jonathonf/python-3.6/ubuntu/dists/precise/main…

1.考虑是不是能上网 2.用apt-get update ,然后再试试apt-get install 如果apt-get update 也出现很多 404 not found 或者 failed to fetch ,就要考虑更换自己的源,百度搜 /etc/apt/sources.list 3.如果还不行,估计是Ubuntu版本太老了,没有维护的了. 比如我用11.04,sudo apt-get install open-vm-dkms 不行,sudo apt-get  update  不行,就死…