SSH Connection Error “Host key verification failed”
This tutorial guides you on how to resolve SSH Connection Error “Host key verification failed” problem. Let’s use standard ubuntu docker image for our analysis.
Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock), are you root ?
This tutorial guides you to resolve errors Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root ? and Could not open lock file /var/lib/dpkg/lock-frontend – open (13: Permission denied) when you are trying to install softwares in your docker… Read More!
How to Explore Docker Container’s File System ?
This tutorial guides you on how to explore docker container’s file system in different ways. Let’s see three ways to explore files in docker container; using docker exec, using docker commit and via sshd daemon.
Get Docker Container’s IP Address from the Host
This tutorial guides you on how to get docker container’s ip address from the host. To get an instance’s IP address docker inspect command will be used.
How to Copy Files between Host and Docker Container ?
This tutorial guides you on how to copy files between host and docker container. Let’s see how to copy files between running docker container and host file system using docker cp command and verify the results.