https://linuxlearninglab.com/tags/linux/Recent content in Linux on Linux Learning LabHugo -- gohugo.ioen© 2026 Linux Learning LabWed, 05 Aug 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-configuration/Wed, 05 Aug 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-configuration/How to customize Git to fit your workflow — global and local settings, useful aliases, output formatting, and hooks that automate repetitive tasks.https://linuxlearninglab.com/posts/git-collaboration/Fri, 31 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-collaboration/How to work with others using Git — managing remotes, syncing changes, handling upstream repositories, forking, and the pull request workflow.https://linuxlearninglab.com/posts/git-history/Wed, 29 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-history/How to explore and investigate your project’s history — viewing commits, comparing changes, finding who changed what, and tracking down the exact commit that introduced a bug.https://linuxlearninglab.com/posts/linux-man-pages/Thu, 23 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-man-pages/How to use man pages effectively — understanding sections, navigating entries, reading the synopsis format, and finding the right documentation for any command, system call, or config file.https://linuxlearninglab.com/posts/ssh-tunnels-and-port-forwarding/Thu, 16 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/ssh-tunnels-and-port-forwarding/How to use SSH tunnels to securely access remote services, expose local servers, set up SOCKS proxies, and hop through bastion hosts.https://linuxlearninglab.com/posts/vim-visual-block-mode/Sun, 12 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-visual-block-mode/How to use Vim’s visual block mode to select columns, insert text on multiple lines, delete vertical slices, replace blocks, and reformat aligned data.https://linuxlearninglab.com/posts/sed-command-basics/Sat, 11 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/sed-command-basics/A practical guide to sed — how to find and replace text, edit files in place, delete and insert lines, and use address ranges to target exactly what you need.https://linuxlearninglab.com/posts/git-branching-and-merging/Sat, 04 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-branching-and-merging/How to use branches to work on features independently, merge them back together, and resolve conflicts when they arise.https://linuxlearninglab.com/posts/git-basics/Wed, 01 Jul 2026 00:00:00 +0000https://linuxlearninglab.com/posts/git-basics/Getting started with Git — creating repositories, tracking changes, and syncing with remote servers.https://linuxlearninglab.com/posts/vim-searching-across-projects/Mon, 29 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-searching-across-projects/Find text, patterns, and symbols across all files in a project without leaving Vim — using grep, vimgrep, and the quickfix list.https://linuxlearninglab.com/posts/linux-network-troubleshooting/Mon, 29 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-network-troubleshooting/A methodical approach to diagnosing network problems on Linux — working layer by layer from physical connectivity to application-level issues.https://linuxlearninglab.com/posts/vim-editing-inside-delimiters/Thu, 25 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-editing-inside-delimiters/Master Vim’s text objects to change, delete, or yank content inside quotes, parentheses, braces, brackets, and HTML tags — without touching the delimiters.https://linuxlearninglab.com/posts/vim-renaming-variables/Thu, 25 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-renaming-variables/Multiple techniques for renaming variables in Vim — from simple substitution to selective renaming with gn, macros, and the quickfix list.https://linuxlearninglab.com/posts/linux-firewalls-basics/Tue, 23 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-firewalls-basics/How to control incoming and outgoing network traffic on a Linux host using iptables and nftables — rules, chains, policies, and practical configurations.https://linuxlearninglab.com/posts/linux-ps-command/Tue, 23 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-ps-command/A practical guide to ps — listing processes, reading output, filtering results, customizing columns, and combining with other tools.https://linuxlearninglab.com/posts/linux-ss-command/Tue, 23 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-ss-command/A practical guide to ss — viewing listening ports, active connections, filtering by state and protocol, and diagnosing network issues.https://linuxlearninglab.com/posts/linux-networking-basics/Sun, 21 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-networking-basics/The essential commands for checking your IP address, gateway, DNS, and connectivity — plus how to configure network settings on a Linux host.https://linuxlearninglab.com/posts/vim-tags-and-go-to-definition/Sat, 13 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-tags-and-go-to-definition/Navigate codebases like an IDE — jump from function calls to definitions across files using ctags, tag commands, and tag stacks.https://linuxlearninglab.com/posts/vim-quickfix-and-location-lists/Sat, 13 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-quickfix-and-location-lists/Navigate compiler errors, grep results, and lint output without leaving Vim — using the quickfix list to jump between locations across your project.https://linuxlearninglab.com/posts/linux-package-management/Tue, 09 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-package-management/How software is installed, updated, and removed on Linux — covering package management concepts and practical commands for Debian and RHEL-based systems.https://linuxlearninglab.com/posts/linux-processes-and-services/Tue, 09 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-processes-and-services/How Linux manages running programs — viewing processes, controlling jobs, managing services with systemd, and understanding resource usage.https://linuxlearninglab.com/posts/linux-shell-basics/Tue, 09 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-shell-basics/How the shell connects commands together — standard streams, redirection, pipes, command chaining, and practical patterns for combining simple tools into powerful workflows.https://linuxlearninglab.com/posts/linux-users-groups-permissions/Tue, 09 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-users-groups-permissions/How Linux controls access to files and resources — users, groups, ownership, file permissions, and sudo.https://linuxlearninglab.com/posts/linux-filesystem-basics/Tue, 09 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-filesystem-basics/Understanding the Linux filesystem hierarchy, what lives where, and the essential commands for navigating the directory tree.https://linuxlearninglab.com/posts/vim-basics/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-basics/A practical introduction to Vim — modes, movement, basic editing, and the commands you need to be productive from day one.https://linuxlearninglab.com/posts/vim-configuration/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-configuration/How to configure Vim with .vimrc — essential settings, key mappings, the leader key, and a practical starter configuration.https://linuxlearninglab.com/posts/vim-motions-and-operators/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-motions-and-operators/Understanding Vim’s composable grammar — operators, motions, text objects, and counts — and why it makes editing faster than any other approach.https://linuxlearninglab.com/posts/vim-registers-macros/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-registers-macros/Registers for managing multiple clipboards, macros for automating repetitive edits, and power commands that save time daily.https://linuxlearninglab.com/posts/vim-search-and-replace/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-search-and-replace/Searching, substitution, regex, jumping between locations, and marks — the tools that let you move through files with precision.https://linuxlearninglab.com/posts/vim-buffers-windows-tabs/Fri, 05 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/vim-buffers-windows-tabs/How to work with multiple files in Vim using buffers, splits, and tabs — and when to use each one.https://linuxlearninglab.com/posts/scp-command-basics/Thu, 04 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/scp-command-basics/A practical guide to using scp for secure file transfers between local and remote systems, covering common flags, patterns, and troubleshooting.https://linuxlearninglab.com/posts/tar-and-gzip-basics/Thu, 04 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/tar-and-gzip-basics/A practical guide to tar and gzip — creating archives, compressing files, extracting contents, and common patterns you’ll use daily.https://linuxlearninglab.com/posts/linux-environment-variables/Thu, 04 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/linux-environment-variables/A practical guide to environment variables in Linux — how they work, how to set them, where they’re loaded from, and common use cases.https://linuxlearninglab.com/posts/osi-model-advanced/Tue, 02 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/osi-model-advanced/Production-level networking — BGP, anycast, container networking, mTLS, eBPF, service meshes, and network observability.https://linuxlearninglab.com/posts/osi-model-explained/Tue, 02 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/osi-model-explained/A practical breakdown of the 7 OSI layers, what happens at each one, the protocols involved, and how to troubleshoot at each level.https://linuxlearninglab.com/posts/osi-model-intermediate/Tue, 02 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/osi-model-intermediate/Deeper networking concepts mapped to OSI layers — packet captures, TCP internals, MTU issues, NAT, firewalls, and L4 vs L7 load balancing.https://linuxlearninglab.com/posts/understanding-dns/Tue, 02 Jun 2026 00:00:00 +0000https://linuxlearninglab.com/posts/understanding-dns/A practical guide to DNS covering record types, resolution flow, caching, and common tools for troubleshooting.https://linuxlearninglab.com/posts/how-to-create-ssh-keys/Sun, 31 May 2026 00:00:00 +0000https://linuxlearninglab.com/posts/how-to-create-ssh-keys/A practical guide to generating SSH keys with ssh-keygen, covering key types, common parameters, and best practices.