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@ -121,6 +121,18 @@ Network questions can be found [here](https://github.com/bregman-arie/computer-n
* What is a Linux kernel module and how do you load a new module? * What is a Linux kernel module and how do you load a new module?
* Explain what would be the result of each command:
```
echo $0
echo $?
echo $$
echo $@
echo $#
```
* How to grep two strings?
* What is the different between a soft link and hard link? * What is the different between a soft link and hard link?
``` ```
@ -295,7 +307,27 @@ Use the image 'rhel7/rhel' from the registry 'registry.access.redhat.com` to run
Befor running it, install the httpd package, update all packages and expose port 80. Befor running it, install the httpd package, update all packages and expose port 80.
``` ```
* How would you transfer data from one container into another?
* What is the difference between ADD and COPY in Dockerfile? * What is the difference between ADD and COPY in Dockerfile?
* What is the difference between CMD and RUN in Dockerfile?
* Explain what is Docker compose and what is it used for
* What are the differences between Docker compose, Docker swarm and Kuberenets?
* Explain Docker interlock
* What is the difference between Docker Hub and Docker cloud?
```
Docker Hub is a native Docker registry service which allows you to run pull
and push commands to install and deploy Docker images from the Docker Hub.
Docker Cloud is built on top of the Docker Hub so Docker Cloud provides
you with more options/features compared to Docker Hub. One example is
Swarm management which means you can create new swarms in Docker Cloud.
```
## Python ## Python