com.android.builder.testing.api.DeviceException: No connected devices

If you have android studio installed(if not install it) launch android studio with a dummy project, go to Tools -> AVD Manager. Make sure that you create a virtual device and start it. Note: To create this virtual device you will need to download and install a compatible OS (compatible with your project’s Android SDK … Read more

Unable to start the mysql server in ubuntu

I think this is because you are using client software and not the server. mysql is client mysqld is the server Try: Backup entire folder before doing this: sudo rm /etc/apt/apt.conf.d/50unattended-upgrades* sudo apt-get update sudo apt-get upgrade sudo service mysqld start To check that service is running use: ps -ef | grep mysql | grep … Read more

docker-ce : Depends: libseccomp2 (>= 2.3.0) but 2.2.3-3ubuntu3 is to be installed

I encounter the same problem when installing docker-ce version 18. I won’t use aptitude to install the old version because nvidia-docker only supports Docker version above 18! The solution is quite easy: sudo add-apt-repository ppa:ubuntu-sdk-team/ppa sudo apt-get update Then you can use command sudo apt-get install docker-ce to solve the libseccomp2 version conflict problem. Reference: … Read more