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bongoDev | Linux - Knowledge Hub

Knowledge Hub/Linux

Englishবাংলা

Learning path

Linux

Master Linux for DevOps, SRE, and cloud engineering: OS architecture, filesystem, commands, text processing, users, permissions, services, storage, networking, SSH, security, cheatsheet, and production troubleshooting.

Discount price

৳ 320.00৳ 120.00Save ৳ 200.00

Lessons

21 published lessons · 1 free preview

01Linux, Unix & the Operating System Mental ModelUnderstand what an operating system does, where Linux fits in the Unix family, and why Linux matters for DevOps, SRE, and cloud engineering.Beginner · 10 min readFree previewFree preview
02Linux Architecture: Kernel, Shell, Processes & HardwareBuild a mental model of the Linux kernel, shell, user space, utilities, processes, and hardware interaction.Beginner · 11 min readLockedLocked
03Linux Distributions, Package Managers & Server SelectionUnderstand distributions, the informal idea of flavors, release models, package families, and how to choose a server distro.Beginner · 10 min readLockedLocked
04Linux Filesystem Hierarchy (FHS)Learn the directories that matter most in production: /etc, /var, /proc, /sys, /home, /run, /tmp, /usr, /opt, and mount points.Beginner · 14 min readLockedLocked
05Navigation, Files, Directories & EditorsMaster day-to-day filesystem navigation, file operations, inspection commands, and terminal editors.Beginner · 13 min readLockedLocked
06Text Processing: grep, awk, sed, find & Log HuntingSearch logs, locate files, extract fields, transform text, and combine Linux tools into operational pipelines.Intermediate · 16 min readLockedLocked
07Users, Groups, sudo & IdentityCreate and inspect users/groups, understand UID/GID, supplementary groups, sudo, and service identities.Intermediate · 13 min readLockedLocked
08Permissions, Ownership, umask & ACLsUnderstand rwx permissions, octal modes, ownership, directory execute permission, umask, ACLs, and permission-denied troubleshooting.Intermediate · 16 min readLockedLocked
09Shell Environment, Pipes, Redirection & Command HistoryUse environment variables, PATH, stdout/stderr redirection, pipes, tee, xargs, and shell history safely.Intermediate · 13 min readLockedLocked
10Package & Repository Management: apt, dpkg, dnf & rpmInstall, update, inspect, and remove software safely across Debian- and RPM-family systems.Intermediate · 13 min readLockedLocked
11Processes, Jobs, Signals & Resource ControlInspect processes, PIDs, parent/child relationships, jobs, signals, open ports, and resource behavior.Intermediate · 15 min readLockedLocked
12systemd Services, Units, Boot & journalctlManage services, unit lifecycle, startup behavior, logs, configuration reloads, and boot analysis with systemd.Intermediate · 16 min readLockedLocked
13Disks, Filesystems, Mounts & Storage TroubleshootingUnderstand block devices, filesystems, mounts, capacity, inodes, fstab, and common disk-full incidents.Intermediate · 16 min readLockedLocked
14Linux Networking & ConnectivityTroubleshoot interfaces, routes, DNS, listening ports, TCP connectivity, HTTP/TLS reachability, and network paths.Intermediate · 17 min readLockedLocked
15SSH, Keys, SCP, rsync & Remote OperationsConnect securely to Linux hosts, manage SSH keys, transfer files, and troubleshoot remote-access failures.Intermediate · 16 min readLockedLocked
16Logs, Metrics & System InspectionRead system/application logs and inspect CPU, memory, load, kernel events, open files, and resource pressure.Intermediate · 15 min readLockedLocked
17Archives, Compression, tmux & Operational UtilitiesCompress/extract files, preserve remote sessions, watch commands, and use practical operational helpers.Beginner · 11 min readLockedLocked
18Scheduling with cron & systemd TimersSchedule recurring operational work with cron and systemd timers while handling logging, environments, and failures.Intermediate · 13 min readLockedLocked
19Linux Security & Production HardeningApply least privilege, patching, SSH hardening, firewall controls, MAC frameworks, secure defaults, and audit-minded operations.Advanced · 17 min readLockedLocked
20Linux Commands CheatsheetA high-utility command reference for navigation, files, text, users, permissions, processes, services, storage, networking, SSH, logs, and archives.Intermediate · 18 min readLockedLocked
21Linux Debugging & Troubleshooting PlaybookA systematic production troubleshooting flow for failed services, high CPU, OOM, disk full, networking, DNS, permissions, SSH, and recent changes.Advanced · 22 min readLockedLocked