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It can install, remove, provide information about and build *packages but it can’t automatically download and install their corresponding dependencies.
Read More: 15 dpkg Command Examples apt-get is a high-level package manager for Debian and derivatives, and provides a simple way to retrieve and install packages, including dependency resolution, from multiple sources using the command line.
The below command will provide a command line interface to update firmware #dsu dsu --version Displaying the DSU utility version.
#dsu --inventory     To see the System Inventory DSU allows category based device updates #dsu --get-categories     Gets the supported category values #dsu --category= categories #dsu --non-interactive     DSU supports devices updates in a non-interactive way where all the updatable components will be selected automatically and apply those updates without user intervention.
It provides the same functionality as apt-get and additional ones, such as offering access to several versions of a package.
rpm is the package management system used by Linux Standard Base (LSB)-compliant distributions for low-level handling of packages.
Last August, the Linux Foundation announced the LFCS certification (Linux Foundation Certified Sysadmin), a shiny chance for system administrators everywhere to demonstrate, through a performance-based exam, that they are capable of succeeding at overall operational support for Linux systems.
A Linux Foundation Certified Sysadmin has the expertise to ensure effective system support, first-level troubleshooting and monitoring, including finally issue escalation, when needed, to engineering support teams.
In order to perform the task of package management effectively, you need to be aware that you will have two types of available utilities: low-level tools (which handle in the backend the actual installation, upgrade, and removal of package files), and high-level tools (which are in charge of ensuring that the tasks of dependency resolution and metadata searching -”data about the data”- are performed).
It can either be provided by the distribution vendor through central repositories (which can contain several thousands of packages, each of which has been specifically built, tested, and maintained for the distribution) or be available in source code that can be downloaded and installed manually.
Because different distribution families use different packaging systems (Debian: */ Cent OS: */ open SUSE: *built specially for open SUSE), a package intended for one distribution will not be compatible with another distribution.
dsu --apply-upgrades-only     To get the list of only upgradable components dsu --apply-downgrades-only     To get the list of only downgradable components dsu --apply-equivalent-updates     To get the list including equivalent components dsu --update-list= When the type is --destination-type=ISO : DSU runs in the interactive mode and the selected updates are delivered as a bootable ISO. When ISO if used along with --non-interactive : A bootable ISO is created. The repository location should be configured using --config= When the type is --destination-type=CBD : CBD is Custom Bootable DSU.
DSU runs in the interactive mode and provides the selected updates along with deployment script.