ubuntu-20.04

问题 I'am trying to reproduce the Docker Installation of the Book "Mining the Social Web" (Russel/Klassen) on Ubuntu 20.04. I set up Docker and tried to create the Docker container from the respository directly (repo2docker https://github.com/mikhailklassen/Mining-the-Social-Web-3rd-Edition) for opening the Jupyter Notebook, but I got ERRORS. Before I installed Python3 and pip3 (couldn't install just Python and pip). Got this multiple inside the running code: WARNING: pip is being invoked by an

问题 I am using WSL2: Ubuntu 20.04 in my Windows 10 operating system. I have installed nodejs using the command sudo apt-get install -y nodejs when I do node -v command I get v12.18.3 mrd@DESKTOP-2EO5K4H:/mnt/c/Users/musfi$ node -v v12.18.3 but when I do npm -v command I get this below command mrd@DESKTOP-2EO5K4H:/mnt/c/Users/musfi$ npm -v -bash: /mnt/c/Program Files/nodejs/npm: /bin/sh^M: bad interpreter: No such file or directory I also do whereis command. Hope this will help to find solution.

问题 FileNotFoundError: [Errno 2] No such file or directory: 'chromedriver' I am using docker to build my app on ubuntu server. Dockerfile: FROM python:latest WORKDIR /src COPY requirements.txt /src RUN pip install -r requirements.txt COPY . /src docker-compose.yml : version: '3.1' services: tgbot: container_name: bot build: context: . command: python app.py restart: always environment: WEBAPP_PORT: 3001 env_file: - ".env" ports: - 8443:3001 networks: - botnet volumes: - ./:/src chrome: image:

问题 I have an instance of ubuntu server running version 20.04 installed on parallels on a Mac however I am unable to access it from other devices on my network, only from the instance of ubuntu. lsb_release -a gives the following result No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal I have installed Elasticsearch version 7.6.2 from the APT repository using the instructions here I can run curl -X GET 'http://localhost:9200' on

问题 I am following Creating your own Haar Cascade OpenCV Python Tutorial But when I get to making the samples I get opencv_createsamples: command not found I am using this to create the samples opencv_createsample -img img.jpg -bg bg.txt -info info/info.lst -pngoutput info -maxxangle 0.5 -maxyangle 0.5 -maxzangle 0.5 -num 573 but I know the command exists because when I do man opencv_createsamples it pulls up the man page. I am using ubuntu 20.04.1 回答1: I have also met this same problem while

问题 Not so much as a question as a documentation. This is regarding a failing apt-get install or update related to virtualbox 6.1.10, Ubuntu 20.04, and virtualbox-dkms package failing to build. I had an issue recently with Ubuntu 20.04 and Virtual Box 6.1.10 that's similar to what has been documented here and here. The issue was that installing virtual box from the ubuntu software center installed v6.1.10 which is incompatible with the current ubuntu kernel version, v 5.8.xx. These are all known

问题 I recently upgraded my OS to Ubuntu 20.04 LTS. Now when I try to import a library like Numpy in Python, I get the following error: ImportError: libffi.so.6: cannot open shared object file: No such file or directory I tried installing the libffi package, but apt can't locate it : sudo apt-get install libffi Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libffi 回答1: If you are using pyenv, you should just uninstall the used

问题 I recently upgraded my OS to Ubuntu 20.04 LTS. Now when I try to import a library like Numpy in Python, I get the following error: ImportError: libffi.so.6: cannot open shared object file: No such file or directory I tried installing the libffi package, but apt can't locate it : sudo apt-get install libffi Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libffi 回答1: If you are using pyenv, you should just uninstall the used

问题 I recently upgraded my OS to Ubuntu 20.04 LTS. Now when I try to import a library like Numpy in Python, I get the following error: ImportError: libffi.so.6: cannot open shared object file: No such file or directory I tried installing the libffi package, but apt can't locate it : sudo apt-get install libffi Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package libffi 回答1: If you are using pyenv, you should just uninstall the used

问题 Does anyone have a good approach to installing R on Ubuntu 20.04? I can't seem to find a solution for this specific to 20.04 focal through apt. No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal Edit: after going through the link here and adding the entry to sources.list, I ran into issues with dependencies: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be