Are Docker’s labs outdated, or am I missing a setup requirement?
I'm running Docker inside a Linux VM on a Proxmox homelab and have been using it to practice writing Dockerfiles and Compose files. The official guides and labs…
homelab
Are Docker’s labs outdated, or am I missing a setup requirement?
I run Docker inside a Linux VM on a Proxmox homelab and have been using it to experiment with containers. My main goal is to become more comfortable…
How can I use project-based learning without getting stuck in tutorial hell?
I've been studying system administration for about three months and feel comfortable with the fundamentals. I'd like to start learning by building projects, possibly beginning with a homelab…
How Can I Learn Through Projects Without Falling Into Tutorial Hell?
I've been studying system administration for about three months and have finished most of the foundational material. I feel ready to start learning by building real projects, possibly…
Is 64GB of DDR4 a better long-term choice than 32GB of DDR5?
I'm building a system primarily for experimental development, machine learning, home lab work, and occasional gaming. Because of current memory prices, I can afford either 64GB of DDR4…
Can K3s HA with embedded etcd run reliably on spinning-disk storage?
I'm building a K3s homelab with the control plane in HA mode, using embedded etcd. The server nodes are virtual machines whose raw disks live on a NAS…
Can K3s HA with etcd run reliably on spinning-disk storage?
I'm building a homelab K3s cluster with the control plane configured for HA and embedded etcd. The server VMs use raw iSCSI disks over 1 Gbps Ethernet with…
How Can I Build Sysadmin Experience Without a Current Job?
I'm trying to move into systems administration and previously worked in a semi-junior role where I learned a lot, but I was recently let go and no longer…
How can I transition into cloud and virtualization at 33?
I'm 33, recently became a parent, and I'm considering a career change into IT for better long-term opportunities. I've been researching AWS, Azure, GCP, VMware, and Nutanix, but…
How Can I Build Sysadmin Experience Without a Current Job?
I'm trying to move further into systems administration. I recently lost a semi-junior role where I was learning a lot, and now I'm worried about how to keep…
Can I Learn Linux, Networking, and Kubernetes Using VMs Instead of Multiple Physical Nodes?
There's common advice that anyone trying to learn Linux, DevOps, or SRE should build a homelab with as many physical nodes as possible. However, hardware is expensive, and…
How can I transition into virtualization or cloud infrastructure?
I'm 33, recently became a parent, and I'm considering a career change into better-paying IT work. I've been researching AWS, Azure, GCP, VMware/Broadcom, and Nutanix, but I'm concerned…
Can I Learn Linux, Networking, and Kubernetes Effectively Using VMs Instead of Physical Nodes?
A common recommendation for learning Linux, DevOps, SRE, Kubernetes, and related infrastructure is to build a homelab with several physical machines. Since hardware prices are high, I'm wondering…
How can I stay consistent while self-studying for a sysadmin career?
I'm trying to break into IT and systems administration. I'm currently studying on an M2 MacBook Air with a Linux virtual machine running through UTM, and I use…
How can I stay consistent while self-studying for a sysadmin career?
I'm trying to transition into IT and systems administration. At the moment I'm studying on an M2 MacBook Air with a Linux virtual machine running through UTM, and…
What’s the best way to run Linux on an old Android phone?
I have an older Android phone that I'd like to repurpose for a small homelab project. Ideally, I want to control it over SSH, run a simple shell…
What production-grade homelab architectures can run on 4 vCPUs and 12 GB of RAM?
I have a bare-metal Proxmox host with 4 vCPUs and 12 GB of DDR3 RAM. I want to build practical, production-style homelab environments rather than just running simple…
What production-grade homelab architectures can run on Proxmox with 12 GB RAM and 4 vCPUs?
I have a Proxmox bare-metal host with 12 GB of DDR3 memory and 4 virtual CPU cores available. I want practical, production-style homelab projects rather than basic examples.…
What should I learn now to prepare for a career in systems administration?
I'm 16 and interested in pursuing systems administration after university. So far, I've been studying Windows Server, SQL, and Linux fundamentals through online resources. Are there other skills…
How Did You Become So Comfortable Using the Linux Terminal?
I watch experienced sysadmins move through the terminal effortlessly, remember obscure Linux internals, and use keyboard shortcuts without thinking. If you have reached that level, what helped you…