Updating ubuntu through terminal dating a letter

28 Jan

Comprehensive backups and extensive testing are strongly advised. Although many systems can be upgraded in place without incident, it is often safer and more predictable to migrate to a major new release by installing the distribution from scratch, configuring services with careful testing along the way, and migrating application or user data as a separate step.You should never upgrade a production system without first testing all of your deployed software and services against the upgrade in a staging environment.

"once you upgrade via that device, you can run [...]" That will run updates of packages upgraded in the step before, exactly my point of being inefficient.It is intended as an end user interface and enables some options better suited for interactive usage by default compared to more specialized APT tools like apt-get(8) and apt-cache(8).Much like apt itself, its manpage is intended as an end user interface and as such only mentions the most used commands and options partly to not duplicate information in multiple places and partly to avoid overwhelming readers with a cornucopia of options and details.update (apt-get(8)) update is used to download package information from all configured sources. perform package upgrades or search in and display details about all packages available for installation.upgrade (apt-get(8)) upgrade is used to install available upgrades of all packages currently installed on the system from the sources configured via sources.list(5).