LinuxCommandLibrary

pacman-upgrade

Upgrade installed packages on an Arch Linux system

TLDR

Install one or more packages from files

$ sudo pacman -U [path/to/package1.pkg.tar.zst] [path/to/package2.pkg.tar.zst]
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Install a package without prompting
$ sudo pacman -U --noconfirm [path/to/package.pkg.tar.zst]
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Overwrite conflicting files during a package installation
$ sudo pacman -U --overwrite [path/to/file] [path/to/package.pkg.tar.zst]
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Install a package, skipping the [d]ependency version checks
$ sudo pacman -Ud [path/to/package.pkg.tar.zst]
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Fetch and [p]rint packages that would be affected by upgrade (does not install any packages)
$ pacman -Up [path/to/package.pkg.tar.zst]
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Display [h]elp
$ pacman -Uh
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SYNOPSIS

pacman-upgrade

PARAMETERS

N/A
    Since pacman-upgrade is typically an alias, it doesn't have specific parameters of its own. Its behavior is determined by the pacman flags it is mapped to in your shell configuration. Most commonly it is an alias for pacman -Syu

DESCRIPTION

The pacman-upgrade command is not a standard standalone Linux command. It's a commonly used alias or shell function, primarily found in Arch Linux and its derivatives. It simplifies the process of updating the entire system by combining several pacman commands into a single convenient operation. Typically, pacman-upgrade performs the following actions:
1. Refreshes the package lists from the configured repositories.
2. Synchronizes the installed packages with the repositories.
3. Resolves dependencies and installs the newest versions of packages.

The exact behavior of pacman-upgrade depends on how it's defined in the user's shell configuration file (e.g., .bashrc, .zshrc). Most commonly, it's an alias for `pacman -Syu`. Using pacman-upgrade provides a streamlined method for system maintenance. However, it is vital to regularly back up your system before performing a full system upgrade to prevent data loss due to unforeseen circumstances.

CAVEATS

The pacman-upgrade command relies on the proper configuration of pacman and package repositories. Errors in repository configuration or network connectivity issues can prevent the upgrade from completing successfully. Always review pacman's output during the upgrade process for any warnings or errors. If issues arise, consult the Arch Linux wiki for troubleshooting. Also, be wary of partial upgrades as they can lead to dependency problems. Ensure your system is fully upgraded to avoid incompatibilities.

EXAMPLE ALIAS DEFINITIONS

Common ways to define the pacman-upgrade alias:
* In .bashrc or .zshrc: `alias pacman-upgrade='sudo pacman -Syu'`
* As a function: `pacman-upgrade() { sudo pacman -Syu; }`
The `sudo` is added here as the user needs to have root privileges to perform upgrade actions.
Note: some users prefer to use 'yay' instead of 'pacman'. If you are using yay, you can define the alias to `yay -Syu` instead.

HISTORY

pacman-upgrade, as a user-defined alias, doesn't have a formal development history tied to a specific project. The practice of creating aliases like pacman-upgrade emerged from the Arch Linux community's desire to simplify common tasks. The alias `pacman -Syu` is the defacto standard, reflecting the need for a quick system upgrade. Its adoption stems from a practical approach to system administration.

SEE ALSO

pacman(8), pacconf(5)

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