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Episode 234: Getting Started with OpenShift
Containers are amazing but managing them one by one can be a nightmare! Steve Ovens joins us as we discuss the best way to manage container workloads with tools like OpenShift and OKD.
-- During The Show -- 01:12 - Dave Follows up from EP 212 - Dave- Avantree Bluetooth
- Play/Pause works
- Volume Buttons change headset volume not desktop volume
- Mic is clear
- Not USB-C
- Another Dongle
- Volume issues in Mic mode
- Get Jacked from JB
- RME is considered High End
- Studio uses Axia
- Try Pipewire on Fedora
- Try using individual USB Audio devices
- Scarlett 18i8 3rd Gen USB Audio
- Jamielinux.com link
- Cert Manager
- Use block storage (S3 Compatible Storage)
- OVH - Supplemented by Canadian GOV
- Kimsufi - Where OVH servers go to die (still a good option)
- From the Chat - ZFS/BTRFS snapshots
- Clonezilla
- Hypervisor can lie about disk flushes, this breaks ZFS/BTRFS
- HDD Passthrough solves this
- IX Systems Post about virtualizing FreeNAS
- Open RGB
- OpenSource RGB light control
- Ruggtek RTL 310
- 10.1 1920 x 1200 Display
- Multi-Touch
- Intel Quad-Core
- 4GB RAM
- 64GB RAM
- Comes with Ubuntu, Fedora, OpenSUSE
- Ruggtek RPL 550
- 5.5" 1080 x 1920 Display
- Intel Quad-Core
- 4GB RAM
- 64GB Storage
- Comes with Ubuntu, Fedora, OpenSUSE
- Containers isolate processes with Cgroups
- System level containers
- Similar to VMs
- LXD
Application level containers
- Used by most businesses
- Kubernetes
- OpenShift/OKD
- Docker
- Podman
Docker runs as root
Podman is more modern and fixes this
Fedora CoreOS
- Made for running containers
- Uses RPM OStree vs standard packages
- Runs podman not docker
OCI compliant - cross platform compliant containers
OKD
OKD Github
SSH into containers
- You can
- Not by default
- You really shouldn't
Exec into a container is similar to SSH
Containers are supposed to be disposable
Container Management
- Kubernetes
- OpenShift/OKD
- Many others
To install you need to know
- SSH
- Basic Networking
- Yaml
Container Management gets you
- Load Balancing
- High Availability
- Monitoring
- etc
Containers are ephemeral by default
Containers typically have a shared storage backend
OpenShift/OKD Takes care of a lot of networking for you
There are two networks involved
- Communication - Container to Container
- LAN - Traditional Network
docs.okd.io
Katacoda
- Netlab 360
- Dropper and Rootkit
- Ring 3 layer
- Backdoor can
- Upload device information
- Steal user credentials
- Bounce Shell
- Execute commands
We will have community rooms/booths
Matrix Chat (Element) will be used again this year
SELF will be virtual this year, hosted again by yours truly!
SELF Call for Talks
SELF dates June 10-12
Email volunteers@minddripmedia.com with your skill set and contact details
For links to the articles and material referenced in this week's episode check out this week's page from our podcast dashboard!
This Episode's Podcast Dashboard
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Special Guest: Steve Ovens.
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