E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages

I have tried to install wine on elementary os 0.21 yesterday. While doing so i stumbled upon this output: Reading package lists... Done Building dependency tree Reading state information......

Raspbian / Debian Networkmanager not working as access point (mode = ap)

I'm trying to build an access point / hotspot with a Raspberry Pi, a wifi dongle and NetworkManager. I know that I can achieve this by just working with hostapd, dnsmasq and ifupdown - I even had...

How do I check /etc/network/interfaces file grammar and test it in C code?

I have a file ("interfaces_new" like /etc/network/interfaces) that I have to test. Tests concerns File grammar and if I can detect if the settings are correct by testing, it is only better. I...

How to connect android Device to PPTP VPN

I have create a PPTP VPN server using ubuntu's guide . Now I have: My problem now is that my android phone could not connect to the pptp which I created. When i try to enter the username and...

linux openvpn shows "Initialization Sequence Completed" but cannot browse internet

I'm trying to get openvpn running on my Linux Mint 17.(ps: PPTP worked but I need to use openvpn) When I tried: sudo openvpn --config 'somewhere.ovpn' It showed me: Initialization Sequence...

Yocto fails to boot after adding package

I'm about to build a Linux-Yocto filesystem for Xilinx Zynq platform. Everything runs fine until I added one more package to the rootfs. It doesn't matter what kind of package I'm adding it always...

Restoring package state without upgrade to keep Docker Container small

As a step of a Dockerfile I need to install the build-essential package (if not available) and run make. To keep the footprint of the container nice and small; I would also like to remove...

cloud VM instance broken packages after updating packages to earlier version

I did a apt-get upgrade because the load times of our production server were about 40 seconds. I don't have a snapshot before nor after the upgrade.(Although there is a snapshot of six months old)...

installing `lightdm` in Dockerfile raises interactive keyboard layout menu

I have the following Dockerfile: # Pull from CentOS RPM Build Image FROM ubuntu # Update the image RUN apt-get update -y RUN apt-get install lightdm -y The problem I have is when I'm building...

docker exec: rpc error: code = 2 desc = oci runtime error: exec failed

every time I try to do: $ docker exec I get the error message: rpc error: code = 2 desc = oci runtime error: exec failed: container_linux.go:247: starting container process caused...

Linux gitian-builder and "dpkg: error processing package sudo"

I am using Ubuntu. I cannot compile the Virtual Machine. If i direct to gitian-builder and type into the Terminal: sudo bin/make-base-vm -a i386. It compiles for approximately 3 minutes and than...

Phalcon extension unloaded after system upgrade

So, I am using Phalcon 3.0.0 with PHP 7 on Ubuntu 16.04.1 on DO. Everything worked correctly until today, when I ran apt update and upgrade on Ubuntu. After the process finished, Phalcon plugin...

Wifi connection dropped after docker start

I am logged in to my Lubuntu 16.04.2 LTS Server over Wifi and every time I start a docker container my connection gets dropped. Because I am relatively new to docker I can only guess that is has...

Ubuntu 16.04 - wireless connectivity randomly drops and driver must be restarted

I am using Ubuntu 16.04 and have experienced a known issue where the wifi randomly fails, with the icon still showing connectivity but no connection available. This wasn't previously a problem and...

bitbake not calling my do_install

I have a recipe that should be copying a runlevel script into /etc/init.d and creating a symbolic link to it from /etc/rc5 However the do_install function does not appear to be being...

Start script once connected to network

I have a bot for the chat we use stored on a workstation that reboots every night. Right now it reboots and runs the script for the bot while starting up without anyone having to log in. Usually...

Yocto Poky-Pyro bbappend file for init-ifupdown is not replacing /etc/network/interfaces

I am using Yocto poky-pyro on Ubuntu 16.04. I want to replace the /etc/network/interfaces file on the resulting image root file system, so I added a bbappend recipe in my meta-company directory...

Docker Linux Mint NetworkManager failed to find device with udev

Using: Linux 4.13.0-26-generic #29~16.04.2-Ubuntu SMP Tue Jan 9 22:00:44 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux I've been noticing my system hesitating while working, and finally tracked it...

Ubuntu 18.04 New Netplan / IP Configuration (pointopoint?) (Need Example)

I have a Root-Server with Proxmox installed. Until now, i always had Ubuntu 17. Now i upgraded a VM to Ubuntu 18 and i need a example for the new netplan Configuration. This was my old interfaces...

local rancher host not visible on gui

I am trying to set up a rancher environment for testing purposes on an ubuntu laptop. I am reproducing the steps that worked on another server (this one with Debian) to get it running but I am...

How to get bridge support with /etc/network/interfaces?

There are some linux distros, where it is possible to configure a bridge in /etc/network/interfaces. As explained for example here, it is enough to use this to form a bridge: iface eth0 inet...

OpenStack multi-node network configuration on Ubuntu

I am attempting to get a simple 2-node deployment set up via devstack. I have followed both the multi-node lab and the "Using devstack with Neutron" guide. i made the most progress with the...

How to change default interface for internet?

I have a PC with Ubuntu server 18.04 installed on it and I'm trying to use this PC as a server. There are 2 interfaces involved here: To provide It's internet, I am using an android smartphone...

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...

No ethernet access on jetson nano with custom yocto image

I've created a very minimal image for the jetson nano with the recepe: inherit core-image inherit distro_features_check REQUIRED_DISTRO_FEATURES = "x11" IMAGE_FEATURES += "package-management...

Yocto build error: Building image with debian package management

I've build images with the default RPM package management, but now that I want to build an image with debian package management instead of RPM, Yocto returns an error in the last steps of image...

Docker on Ubuntu doesn't connect to localhost

I have been going for hours trying to understand why docker just so happen to doesn't work on my machine. I am using Ubuntu 18.01 Xfce. Have installed docker using the official site and tried to...

How to fix docker container errors

I have created docker image from my application written in C, however, after running image, I list to check if there is any container running but there is none. I checked my machine...

Corrupted python package in ubuntu18.04LTS(WSL)

I am a newbie of ubuntu, thanks for reading this thread. I was trying to remove and reinstall pip and python2.7, python3.6, python3.8 etc... However I corrupt it somehow,and don't know how to fix...

Unable to Build Docker Image Using GitHub Actions

I'm currently trying to build a Docker image using GitHub Actions (CI). I can successfully build it on my machine and multiple other x86_64 architectures which I believe GitHub Actions also runs,...