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97 lines
3.4 KiB
Markdown
[#]: subject: "Update a Single Package With apt Command in Ubuntu and Debian"
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[#]: via: "https://itsfoss.com/apt-upgrade-single-package/"
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[#]: author: "Abhishek Prakash https://itsfoss.com/"
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[#]: collector: "lkxed"
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[#]: translator: " "
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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Update a Single Package With apt Command in Ubuntu and Debian
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======
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How do you [update your Ubuntu system in the command line][1]? You use the apt update (to refresh the package cache) and apt upgrade commands.
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```
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sudo apt update && sudo apt upgrade
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```
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It updates all the installed apt packages that can be upgraded at once. This includes the Linux kernel version, too.
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This seems like a good thing, especially for desktop users. That may not be the case for Ubuntu server users where you have crucial web services running.
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If you want to be selective about the updates and **only want to upgrade a single package**, use this command:
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```
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sudo apt install --only-upgrade package_name
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```
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Let’s see it in a bit more detail.
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### Upgrade single package using apt command
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The first step is to update the local package repository cache so that your system knows about the availability of new package versions.
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```
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sudo apt update
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```
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**This is optional**. Check if the package you want to upgrade is in the [list of upgradable packages][2].
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```
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apt list --upgradable
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```
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If the desired package has a new version available, you can choose to upgrade only this single package with this command:
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```
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sudo apt install --only-upgrade package_name
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```
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If you run the apt install command on an already installed package, it will be upgraded to the next available version.
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But if the package is not installed already, the apt command will also install it.
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This is why the `--only-upgrade` part is necessary. With that option, the apt command will only upgrade an already installed package. It will not install the package if it is not already installed.
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Not the best-suited example for Ubuntu server users, but you can still see how I upgraded only one of the seven upgradable packages in the below screenshot.
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![Update only a single package in Ubuntu][3]
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### Upgrade selected packages only
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If you want to upgrade a selected few packages, you don’t have to update them one by one. Just provide the package names with the command mentioned earlier.
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```
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sudo apt install --only-upgrade package1 package2 package3
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```
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Here’s an example.
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![Upgrade selected packages in Ubuntu][4]
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### Conclusion
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When you are faced with a situation where you have to upgrade selected packages, you can use the apt install command with –only-upgrade option.
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I recommend reading on [using apt command to use it more effectively][5].
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/apt-upgrade-single-package/
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作者：[Abhishek Prakash][a]
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选题：[lkxed][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/
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[b]: https://github.com/lkxed
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[1]: https://itsfoss.com/update-ubuntu/
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[2]: https://itsfoss.com/apt-list-upgradable/
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[3]: https://itsfoss.com/wp-content/uploads/2022/07/update-single-package-ubuntu-scaled.webp
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[4]: https://itsfoss.com/wp-content/uploads/2022/07/upgrade-selected-packages-ubuntu.png
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[5]: https://itsfoss.com/apt-command-guide/
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