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- apt - How to install updates via command line? - Ask Ubuntu
Use this: sudo apt update # Fetches the list of available updates sudo apt upgrade # Installs some updates; does not remove packages sudo apt full-upgrade # Installs updates; may also remove some packages, if needed sudo apt autoremove # Removes any old packages that are no longer needed
- What does sudo apt-get update do? - Ask Ubuntu
@JohnnyQ, if your apt-get update is slow, then your apt-get dist-upgrade will also be slow, so that's not really an argument not to do apt-get update first Btw, you can speed up your apt-get update by looking into the folder etc apt sources d to see if you have any custom repositories added and one of those might be unresponsive, which will slow down entire update process
- 作为Linux小白，想咨询下sudo apt-get update 到底在干嘛 . . .
apt-get的主要功能与获取安装软件包相关，可以进行下载软件包，安装软件包，分析软件包依赖，更新软件列表等工作 目前大部分apt-get的工作可以直接让apt来做，也就是说以后apt-get可以直接写成apt 3 update 这里就是你需要让apt-get干什么活的指令了。
- What is the difference between apt-get update and upgrade?
apt-get update updates the list of available packages and their versions, but it does not install or upgrade any packages apt-get upgrade actually installs newer versions of the packages you have After updating the lists, the package manager knows about available updates for the software you have installed
- How to install the latest version of a package with apt-get?
apt-get update <package-name> But if you install an app from a GitHub repository that publishes their content on a release basis, the apt-get update won't work as it is not part of the Ubuntu Debian ecosystem
- configuration - How to use https with apt-get? - Ask Ubuntu
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
- What does apt-get --fix-missing do and when is it useful?
(2-3) When you install upgrade with apt-get upgrade or with apt-get install somepackage, usually apt tries to update dependencies This means that it may find that some packages need new or updated versions of existing packages, and so on in a cascade of dependencies
- Is sudo apt-get update mandatory before every package installation . . .
Of course, apt-get update is necessary after you have changed the repositories, because the system needs to download the list for the new repositories It is essential before upgrading the installed packages, because the system cannot know whether the repo has a new version of a package, unless it has an up-to-date copy of the package list
- One single command to update everything in Ubuntu?
#! bin bash set -e sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade Call it something like update sh and place it in usr local bin and then make the script executable by running: sudo chmod +x usr local bin update sh Another method would be to create a bash alias (in ~ bashrc) or wherever you normally store your aliases:
- What is the difference between apt and apt-get? - Ask Ubuntu
update: like the regular apt-get update with color output enabled, but apt update also shows the number of upgradeable packages (if any) install,remove: adds progress output during the dpkg run upgrade: the same as apt-get upgrade --with-new-pkgs * full-upgrade: a more meaningful name for dist-upgrade edit-sources: edit sources list using
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