Tag
#sysadmin
9 posts tagged with #sysadmin.
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Cloning Linux by Hand
How to clone Debian Linux by hand, without third-party tools: dd, partprobe, sgdisk, e2fsck, resize2fs, and a bit of Go — for when you wake up stranded on a desert island.
#Linux #Debian #sysadmin #backup #tutorial -
Taming QEMU with an Iron Fist
A hands-on tutorial on driving QEMU virtual machines straight from Go via libvirt — no virsh, no clunky wrappers, just clean JSON in and JSON out.
#QEMU #virtualization #Go #Linux #sysadmin -
Fear and Loathing in RDP
How RDP has quietly evolved over the last ten years: versions from NT 4.0 to 10, useful mstsc flags, shadow connections, security holes, and the future of Windows administration.
#RDP #Windows #sysadmin #networking #protocols -
Tightrope Walker on NVMe-over-TCP 2.0
Round two of beating up NVMe-over-TCP. A real test bench made of two Dell PowerEdge boxes, a 10-gigabit network, kernel 5.16, and answers to the questions you raised.
#NVMe #Linux #sysadmin #networking #TCP -
Is Everyone Lying? More Adventures in Tormenting NVMe
NVMe is more than just a fast disk — it's a protocol. Here's how to expose an NVMe drive over the network through plain TCP, using nothing but your stock Linux kernel.
#NVMe #Linux #sysadmin #networking -
Setting Up Your Own Mail Server with docker-compose
How to stand up your own mail server using Mailu — a curated set of docker containers with postfix, dovecot, roundcube and everything you need. Step-by-step, with the landmines marked.
#sysadmin #docker #email #Linux -
Building Your Own TV Studio with Blackjack and…
How a sysadmin turned pandemic video calls into a full-blown TV studio: Jitsi, Restreamer, BlackMagic, SDI cameras, and broadcasting to 2,000 employees for under $7,000.
#sysadmin #video #infrastructure #Jitsi -
Sharing (into) the Console
Useful console services for sysadmins and developers: terminal streaming via seashells.io, file transfers through transfer.sh, and what to do in the console while you're waiting for a deploy.
#Linux #console #sysadmin #tools -
The Sysadmin Who Learned to Write: A Short Story
A sci-fi short story about Vasya the sysadmin, a 3 AM server-room emergency, and the unexpected encounter that inspired him to write his first article.
#short story #Habr #sci-fi #sysadmin