2020-6-19 · I would recommend using apt-get dist-upgrade (if dist-upgrade reports that packages are held back). Sometimes it is necessary to remove packages in order to complete an update, because the dependencies among packages can change in such a way that simply installing a new package can create dependency conflicts.

Before you attempt to install, update or remove any packages, you must update the APT package repository cache. This will update the package database of your Ubuntu 20.04 LTS machine and check if any newer version of the installed packages is available. To update the APT package repository cache, run the following command: $ Remove Ubuntu packages for R. Now you need to remove all Ubuntu packages for R and clean your installation. In the terminal: sudo apt-get purge r-base* r-recommended r-cran-* sudo apt autoremove sudo apt update. Note that to use the * for partial matching, you need apt-get, not apt. R should be totally removed after that. Install new version of May 10, 2018 · Of course, even if the above tools don’t offer to upgrade your system—for example, if you’re running Ubuntu 16.04 LTS and want to upgrade before July 26—you can download the latest version of Ubuntu from the website, make a bootable USB drive or burn a disc, and then reinstall Ubuntu on your system. @jarno dist-upgrade can remove packages. Using upgrade first may avoid this, such as when new package versions satisfy dependencies more easily than old ones. I don't know how often this helps when upgrading packages within a stable release of Ubuntu, but it's recommended in some other contexts. Aug 18, 2017 · Welcome to Ubuntu 16.04.1 LTS (GNU/Linux 4.4.0-83-generic x86_64) 110 packages can be updated. 11 updates are security updates. To install the latest versions of all packages for the current release, begin by updating the package list: sudo apt-get update apt-get update doesn’t actually install new versions of software. It downloads the package lists from the […] Update all Python Packages on Linux. Linux provides a number of ways to use pip in order to upgrade Python packages, including grep and awk. To upgrade all packages using pip with grep on Ubuntu Linux: pip3 list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip3 install -U To upgrade all packages using pip with awk on

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.

May 08, 2019 · How to update a specific package in Ubuntu; apt-get upgrade to specific version. Using one of the apt-get upgrade options "apt-get install --only-upgrade", users can apt-get update only one repository. They can easily update a single package in Ubuntu.

2018-10-24 · How to Ubuntu upgrade or update a single package. The procedure to update a a specific package on Ubuntu: Open the Terminal application; Fetch package index by running sudo apt update command; Now only update apache2 package by running sudo apt install apache2 command.; If apache2 package already installed it will try to update to the latest version.

2020-7-24 · 我正在使用Ubuntu 16.10，并且最近按照此处的说明使用Xenial构建安装了Docker(v1.12.4)。 在创建容器，确保它们自动重新启动等方面，我没有遇到任何问题。 但是，现在每次我运行apt-get update时，都会收到以下错误消息： How to List Installed Packages on Ubuntu – A Step-by-Step