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To search for a particular package by name or description: From the command-line, use: apt-cache search keyword. where the search keyword can be all or part of a package name or any words used in its description. For example, apt-cache search proxy includes both these packages: tiny proxy - A lightweight, non-caching, optionally anonymizing ...
The apt command is meant to be pleasant for end users and does not need. to be backward compatible like apt-get(8). Therefore some options are. different: · The option DPkg::Progress-Fancy is enabled. · The option APT::Color is enabled. · A new list command is available similar to dpkg --list.
That's why I'd suggest always using apt-cache policy <package-name> instead. Note about output: I have some local repository setup and both of the command shows those as well. Note 2 Newer apt comes with policy integrated into them. So, you can use apt instead of apt-cache directly.
17 févr. 2013 · Open the network settings and set your system-wide network proxy. Network → Network proxy → Configure → Apply system-wide. But this might not be useful if you have authentication for the proxy. For apt. You need to do some extra work for apt, as apt doesn't care about the proxy environment variables.
8 juin 2016 · source: man apt-clone. APT-Clone is used by ubiquity (Ubuntu installer) for upgrade process. It is much better than the dpkg --get-selections solution because: It preserves all repositories information. It keeps track of what packages were automatically installed. It allows to repack locally installed DEB files.
12 juin 2020 · 110. Pass the --allow-unauthenticated option to apt-get as in: sudo apt-get --allow-unauthenticated upgrade. From tha manual page of apt-get: --allow-unauthenticated. Ignore if packages can't be authenticated and don't prompt about it. This is useful for tools like pbuilder. Configuration Item: APT::Get::AllowUnauthenticated.
3 juin 2012 · apt-get (and other package manipulation commands, which are a front-end to the same APT libraries) can use HTTP, HTTPS and FTP (and mounted filesystems). If you specify https:// URLs in /etc/apt/sources.list and /etc/apt/sources.list.d/*, then APT will use HTTPS. APT verifies the signature of packages. So you do not need to have a form of ...
Note from Moderators: This solution is no longer functional since apt-key has been deprecated. However, there is no capability to change if a message is accepted or not, other than deletion of the answer, and for historical reasons AND the massive number of upvotes since the original post in 2013 prevent us from deleting this post.
It happens when you don't have a suitable public key for a repository. To solve this problem use this command: gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv 9BDB3D89CE49EC21. which retrieves the key from ubuntu key server. And then this: gpg --export --armor 9BDB3D89CE49EC21 | sudo apt-key add -.
19 déc. 2011 · First set your proxy setting via Linux wizard use option manually and apply setting systemwide just like this wizard box. Add your proxy environment. These are just example settings... Open your command prompt login and edit the apt.conf file: sudo vi /etc/apt/apt.conf.
