The Role of Antivirus and Endpoint Detection and Response Systems
AV vs EDR — traditional antivirus signatures vs behavioral endpoint detection. What each catches, what it misses, and what you actually need.
Tag: linux
All the articles with the tag "linux".
Switch Ubuntu to Hardware Enablement (HWE)
The Ubuntu HWE kernel brings newer hardware support to LTS releases — how to switch from generic to HWE and what you gain.
Essential Linux Commands for Daily Use
The Linux commands every sysadmin reaches for daily — file ops, process management, networking, and text manipulation you can't live without.
Ubuntu Debian packages have been kept back error
Packages have been kept back during apt upgrade — what it means, why it happens, and how to safely install or hold those packages.
Update a Single Package Using APT
Update one package with apt without upgrading everything else — the exact flag, version pinning, held package handling, and the apt vs apt-get distinction that trips people up.
How to Transfer docker Images Without a Repository
Move Docker images between hosts without a registry using docker save and docker load — air-gapped deployments made simple.
Copying Files Between Docker Containers and Host Machines
Use docker cp to move files between running containers and your host machine — no volumes needed for one-off file transfers.
Docker Networking: Connecting to the Host from a Container
Access services on the host machine from inside a Docker container using host-gateway or host.docker.internal — no hardcoded IPs.
Understanding Docker vs. Full Virtual Machines (VMs)
Containers share the kernel; VMs have their own. Understand the isolation trade-offs, overhead differences, and when to use which.
Understanding the regreSSHion Vulnerability in OpenSSH
regreSSHion (CVE-2024-6387) is a remote code execution bug in OpenSSH — what it is, which versions are affected, and how to patch fast.
Multiple Actions with a Single docker exec Call
Run multiple commands in one docker exec call using sh -c — pipe commands, chain with && or ;, and avoid repeated container roundtrips.
Mastering xargs in Linux
xargs turns stdin into arguments — build complex pipelines, run parallel jobs, and handle filenames with spaces without breaking everything.