Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
Programs that are already installed begin with a check mark next to their name. Uncheck a program if you want to remove it from your computer. When you click Apply or OK, any new software will be downloaded from the Internet, and Ubuntu will make the changes you selected. If you have...
If you are ever having problems finding or using your ROS packages make sure that you have your environment properly setup. A good way to check is to ensure that environment variables like ROS_ROOT and ROS_PACKAGE_PATH are set: yuanlibin@yuanlibin:~$ printenv |grep ROSROS_ROOT=/opt/ros/...
This is a major failure of your software management system. Please check for broken packages with synaptic, check the file permissions and correctness of the file '/etc/apt/sources.list' and reload the software information with: 'sudo apt-get update' and 'sudo apt-get install -f'. 怎么办...
For indication about the GNOME version, please check the "nautilus" and "gnome-shell" packages. The Apache web server is listed as "httpd" and the Linux kernel is listed as "linux". The KDE desktop is represented by the "plasma-desktop" package and the Xfce desktop by the "xfdesktop" ...
Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
Theadd-apt-repository(1)utility is pre-installed on most Ubuntu installations. If you receive an error message that theadd-apt-repositorycommand was not found, you have to install thesoftware-properties-commonpackage, which provides this command. Open a terminal and run the following commands: ...
At this point, the installation program proceeds to check the system to detect all hardware components installed. This includes CD/DVD-ROM drives, USB interfaces, CPU clock info, the motherboard’s chipset, and network hardware. This part of the process is shown in the following screenshots....
ubuntu 18.04.3 本身没问题，安装好干净系统后，没有把源设置为国内的（如 清华大学https://mirrors....
sudo apt-get check #---检查是否有损坏的依赖 7、dpkg的介绍及命令使用: 简介 dpkg是Debian的中级软件包管理器,类似RPM. dpkg是Debian软件包管理系统的中流砥柱,负责安全卸载软件包,配置,以及维护已安装的软件包.也是Debian系统中众多软件包管理工具的后端.有关dpkg的更多介绍参阅:http://www.dpkg.org 系统中...