Setting up LUKS 2 – Keeping the Data Safe – Securing a System
We can now look at the LUKS key slots. You should see the key in the second slot now.As seen in the following screenshot, slot 1: is populated with a key: Figure 9.7 – LUKS with the second slot used…
Port protection and restricting network access – Keeping the Data Safe – Securing a System
Port protection and restricting network accessOracle Linux has a firewall built into the distribution. This firewall is called firewalld, short for firewall daemon. firewalld is a dynamic firewall management tool used on Linux systems that provides a simple and consistent…
Keeping SELinux active 2 – Keeping the Data Safe – Securing a System
How to do it… The state of SELinux can be changed on the fly using the command setenforce with the parameters 1 or 0. Using 1 puts SELinux into enforcing mode, while 0 puts it into permissive mode. Additionally, you…
Using AppStreams to install different versions of software – Revisiting Modules and AppStreams
Using AppStreams to install different versions of softwareNow, we’re going to expand on what we know about AppStreams, and instead of installing an application from the default module stream, we’re going to specify a different stream.How to do it…There are…
Ridding yourself of demons – err um – daemons, with Podman – Lions, Tigers, and Containers – Oh My! Podman and Friends
Ridding yourself of demons – err um – daemons, with PodmanDocker and Podman are both tools that aim to make it easier to run and manage containers on a host machine. Since Podman is the new kid on the block,…
Creating handy-dandy utility containers – Lions, Tigers, and Containers – Oh My! Podman and Friends
Creating handy-dandy utility containersThis recipe shows how to use Podman to quickly spin up a container to complete useful tasks.This recipe will walk you through the process of creating super useful utilities leveraging containers. The basic principle of containers encourages…
Making a change to an image or video file using FFMPEG 2 – Lions, Tigers, and Containers – Oh My! Podman and Friends
Once NPM completes the build, you’ll find your application binaries inside a directory called ./build on your host machine But wait, just as I mentioned earlier, there is more than one way to skin a cat. A more elegant way…
Docker Compose with Podman – Lions, Tigers, and Containers – Oh My! Podman and Friends
Docker Compose with PodmanPodman is a powerful container engine that is typically accessed via a command-line interface (CLI) to facilitate the configuration and running of containers. It’s very handy to use the CLI to quickly launch a new container instance…
Manual pod creation – Lions, Tigers, and Containers – Oh My! Podman and Friends
Manual pod creationLet’s say we wanted to deploy Wiki.js inside a pod. Wiki.js is open source Wiki software built on Node.js and relies on a database backend. In other words, we want a pod that looks like this: Figure 11.4…
Containerized databases – Lions, Tigers, and Containers – Oh My! Podman and Friends
Containerized databases This recipe discusses best practices regarding the use of containerized databases. Getting ready We will require the following: How to do it… Containers make databases a much easier pill to swallow for your everyday application deployments. There’s not…