Error occurred while installing openstack after setting FORCE=yes

I tried installing openstack through devstack using the following commands $ git clone https://github.com/openstack-dev/devstack.git -b stable/havana devstack/ i followed this link to do it. In...

CouchDB on Ubuntu VM in Azure does not start

I am evaluating CouchDB for a new project where it would be a perfect fit instead of the DB I usually use (Mongo). However, the installation seems to have problems. I have installed all...

Install pip in docker

I'm not able to install pip in Docker. Here's my Dockerfile: FROM ubuntu:14.04 # Install dependencies RUN apt-get update -y RUN apt-get install -y git curl apache2 php5 libapache2-mod-php5...

Can't install libmysqlclient-dev package when building dockerfile with ubuntu

I have the following content on my Dockerfile: FROM ubuntu:latest RUN apt-get update RUN apt-get install -y python-pip libmysqlclient-dev And I got this output: Step 4 : RUN apt-get install -y...

Why Docker container images become so large while deploying Python 3.6, Virtualenv, Flask, Gunicorn on Ubuntu 16.04?

While deploying the flask application within virtualenv python3 -m venv FLSK-ENV Dockerfile: FROM appcontainers/ubuntu:xenial MAINTAINER user <user> RUN apt-get install -y...

Syntax error near unexpected token '(', when sourcing bashrc to setup Openfoam environment

Recently I installed Bash on Ubuntu on Windows using WSL to use OpenFOAM. But when I installed OpenFOAM it is giving me the error like: -bash: eval: line 38: syntax error near unexpected token...

Undefined reference to new NCURSES 6.1 Functions (alloc_pair, reset_color_pairs)

I'm trying to use these functions in my code, but neither compile correctly. I get errors like undefined reference to 'alloc_pair' and collect2: error: ld returned 1 exit status. Other functions...

FFmpeg error: Unable to find a suitable output format for ''

I'm new to ffmpeg as well as Android programming. I'm trying to load a video from a URL and crop it with ffmpeg. I want to save that video to a file. This is the command I found online: "-i " +...

Rails & Docker: configure bundler to run bundle install in a docker build for Rails.4.2.6?

I am having so much trouble with docker. It seems to be a pattern. I have a dockerfile which installs Node.js and Yarn from source repositories fine. I install ruby from the get-apt repositories...

ffmpeg, /dev/video0, -f decklink

I'm trying to capture video from a PCI card, the Blackmagic DeckLink Mini Recorder, via ffmpeg, on a headless host running Ubuntu 18.04.2 LTS, hopefully with a command like ffmpeg -f decklink -i...

Python3-pip install: http://fr.archive.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-7 amd64 7.3.0-27ubuntu1~18.04 Unreachable

i'm trying to install python3-pip with apt, but it seems that http://fr.archive.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-7 amd64 7.3.0-27ubuntu1~18.04 is unreachable I have already tried...

How to build libonion?

I have tried to build onionlib from sources. I cannot use git on my Debian 8 workstation so I downloaded zip from the github. CMake fails at main CMakeLists.txt:28, 29, 30, etc. with error string...

Unable to install vscode-ripgrep on Docker: Unexpected token "..." in "...url.parse(_url)"

I need to setup a theia environment on Docker (ubuntu 18.04 container). During the installation using the docker file, I need to install vscode-ripgrep since it is a dependency for 2 theia...

Cannot install vowpalwabbit on CentOS via pip or via source code

OS: CentOS Linux 7 (Core) Python: Python 3.6.4 cmake: 3.14.4 boost: 1.70.0 I am having problems installing vowpalwabbit using 'pip install vowpalwabbit==8.7.0.post1' as well as using 'pip install...

Missing required packages in Ubuntu 18.04 pcc64el

starting from IBM's PowerAI TensorFlow docker container I try building a singularity container with additional packages on my Power 9 (ppc64el plattform). Using apt to install packages I get a lot...

How to install ansible 2.9+ on ubuntu 18.04 and utilize python3?

I'm trying to install minimal ansible 2.9.x on Ubuntu Bionic (18.04 LTS). The final goal is to build new disk image (using packer) on every commit and want the process to be as fast as...

Graceful shutdown on Archlinux

Bringing this question straight from here. I am running archlinux and I have a VM running often on it along with the system. Most of the time actually. My goal is to produce the following...

Correct way of installing CyLP in python 3 docker image

I've been trying to install CyLP from python3 docker image, Dockerfile: FROM python:3 #EXPOSE 42400-42500 RUN mkdir -p /usr/src/metis WORKDIR /usr/src/metis RUN apt-get update COPY...

Package conflict while installing ms-sql in ubuntu. Broken packages

I am trying to install ms sql in Ubuntu 20.04. Even I have got it installed in 20.04 successfully following this guide but I sometime I have this problem multiple time and not sure why is this...

Google Cloud VM startup script fails to install pip3

I'd like to pass a startup-script to my free f1-micro instance VM in GCP. The command that I'm specifying is the following: gcloud compute instances create dora-scanner --zone=us-central1-a...

Monotonic Clock in C

I'm doing a algorithm project for my University. In the project I have to write some algorithms and evaluate their time using a monotonic clock. I've already implemented everything using C but now...

ffmpeg command execution never stops

I am trying to concatenate 3 videos of different resolutions and overlaying 2 videos as transition effects(though the chroma key color removal is not yet implemented) between videos using below...

FFMpeg - Overlay not being shown when enable=between parameter is added

I am using below command to add transitions effect between videos using overlays such that when one videos is about to finish, the overlay gets visible. Before showing overlays, I have to add...

Yocto(Zeus) Perf Build fails

I want to build perf on Yocto (Zeus branch), for an image without python2. The recipe is this...

Docker container's sshfs mount freezes, but only when mounted by Python

I have a development laptop (Mint 19.3), and a test server (Ubuntu 18.04.4 LTS). The laptop is Docker version 19.03.5, build 633a0ea838, the server is Docker version 19.03.12, build 48a66213fe I'm...

docker python flask gets " Do you want to continue" then "executor failed"

Trying a simple python flask web app in docker 20.10.2, build 2291f61. Doing the: docker build -t hello-world . starts out ok (please see below), but ends with: #6 2.866 After this operation, 305...

Can't build GnuTLS, undefined reference to gmp

I wanted to try out GnuTLS (3.6.15). I installed p11-kit, nettle, and gmp. For libtasn1 and unistring I used ./configure flags (--with-included-unistring and --with-included-libtasn1). Full call...

Flutter FFMPEG: Error setting profile baseline

Flutter-ffmpeg unable to set profile parameter. (I need to use profile so the rendered video can be played on WhatsApp). I am converting.bmp images into a mp4 video. Other I have tested other...

Install Python pip in ubuntu using ansible

I am trying to install Python-pip in ubuntu using ansible and then installing python package, But I am getting following error during Python package install task: failed: [X.X.X.X]...

Overlay Image Over a transparent gif using FFMPEG

I am trying to overlay a png over a transparent gif using FFMPEG. The problem is the command is running flawlessly but the output file in converting transparent pixels into black or white. I am...