HLHatim Lohainshellcraft.hashnode.dev·Jun 8 · 3 min readLinux Fundamentals — Day 4Processes + Monitoring + Background Jobs This is real server administration. You’ll learn how Linux manages: running applications CPU memory background tasks killing stuck programs These are da00
HLHatim Lohainshellcraft.hashnode.dev·Jun 6 · 4 min readLesson 2 — Linux FundamentalsFile Permissions + Users + Ownership This is one of the MOST important Linux topics. Without this: Docker permissions become confusing SSH issues happen deployment fails scripts break services ca00
HLHatim Lohainshellcraft.hashnode.dev·Jun 6 · 3 min readLesson 3 — Linux FundamentalsText Processing + Pipes + Redirection (Very Important for DevOps) This is where Linux starts becoming powerful for real-world work: logs analysis debugging servers CI/CD pipelines Docker troublesh00
SPSAI PRANEETH BHATTUinsaipraneethbhattu.hashnode.dev·Jun 5 · 24 min readLinux Commands Every DevOps Engineer Must Know.File Operations: Copy, Move, Wildcards, and Bulk Creation Copying Files and Directories The cp command copies a file from source to destination. The destination does not need to keep the same name. cp10
AAAli Abbas Chadharinaliabbaschadhar.hashnode.dev·May 22 · 6 min readContainer Security Beyond Basics: Seccomp, AppArmor, and CapabilitiesWhen teams first embrace container security, they usually start with the low-hanging fruit: scanning images for known vulnerabilities (CVEs), linting Dockerfiles, and keeping packages up to date. Whil00
KSKanishka Shashiinhtml-dev09.hashnode.dev·May 10 · 10 min readLinux File System HuntingIntroduction Linux is one of the most widely used operating systems in servers, cybersecurity environments, cloud infrastructure, embedded systems, and development platforms. One of the most important00
MAMohd Asifinasifansari.hashnode.dev·May 5 · 11 min readI Spent a Day Digging Into Linux's Filesystem and Found Some Really Weird StuffI Spent a Day Digging Into Linux's Filesystem and Found Some Really Weird Stuff Okay so here's what happened. I was just messing around on a Linux machine — not doing anything specific, just exploring00
AOAdey Ointheadeyemi.hashnode.dev·May 3 · 4 min readHow I Turned Daily Journaling into a Linux Terminal HabitI used to think learning Linux meant memorizing commands. That approach did not stick for me. I would learn a command, use it once or twice, forget it, and then come back later feeling like I was star10
SSSharmila Saitindevops-playbook.hashnode.dev·May 3 · 8 min readLinux in Practice — Commands Every DevOps Engineer Uses DailyIntroduction Knowing about Linux and actually using Linux are two very different things. Enough theory. The only way to actually learn Linux is to open a terminal and start typing. Every command in th00
ACArnab Chatterjeeinarnab2001.hashnode.dev·Apr 20 · 6 min readWhy Docker Breaks Inside MicroVMs (Part 1): The Linux Assumptions You Didn’t Know You Were Relying OnWe tried running Docker inside a microVM. It failed before the first container even started. The error wasn’t helpful: cgroup mountpoint does not exist On a normal EC2 instance, Docker just works. Sa10