{"id":5737,"date":"2026-09-06T10:00:29","date_gmt":"2026-09-06T10:00:29","guid":{"rendered":"https:\/\/justinwallis.com\/?post_type=rainbow_projects&#038;p=5737"},"modified":"2026-09-07T22:10:10","modified_gmt":"2026-09-07T22:10:10","slug":"linux-server-administration","status":"publish","type":"rainbow_projects","link":"https:\/\/justinwallis.com\/?rainbow_projects=linux-server-administration","title":{"rendered":"Linux Server Administration"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Linux servers provide the foundation for many web, database, infrastructure, and application services. This project highlights administration across CentOS and Ubuntu systems, including remote SSH access, service management, network configuration, resource monitoring, logging, security services, and general operating-system maintenance.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\"><strong>System &amp; Service Administration<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Linux services are managed through tools such as systemd to start, stop, enable, inspect, and troubleshoot background processes. Monitoring service state and system resources helps maintain reliable operation of web, database, networking, and infrastructure workloads.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\"><strong>Remote Access &amp; Command Line<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">SSH provides secure remote administration of Linux servers for configuration, maintenance, troubleshooting, and monitoring. Command-line tools provide direct visibility into operating-system information, interfaces, processes, logs, services, and resource utilization.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h5 class=\"wp-block-heading\">Monitoring &amp; Security<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Linux administration includes reviewing CPU, memory, disk, network activity, system logs, firewall status, and service health. Tools such as UFW and Fail2Ban can complement system monitoring by helping control network access and reduce repeated unauthorized login attempts.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-style-rounded\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1448\" height=\"1086\" src=\"https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS.png\" alt=\"\" class=\"wp-image-5756\" srcset=\"https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS.png 1448w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS-300x225.png 300w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS-768x576.png 768w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS-1024x768.png 1024w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS-800x600.png 800w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/CentOS-600x450.png 600w\" sizes=\"(max-width: 1448px) 100vw, 1448px\" \/><figcaption class=\"wp-element-caption\"><strong>CentOS Server Administration<\/strong> \u2014 System health, processor and memory utilization, storage volumes, network interfaces, running services, software updates, logs, and active user sessions.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1670\" height=\"942\" src=\"https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu.png\" alt=\"\" class=\"wp-image-5758\" srcset=\"https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu.png 1670w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-300x169.png 300w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-768x433.png 768w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-1024x578.png 1024w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-1536x866.png 1536w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-800x450.png 800w, https:\/\/justinwallis.com\/wp-content\/uploads\/2026\/09\/Ubuntu-599x338.png 599w\" sizes=\"(max-width: 1670px) 100vw, 1670px\" \/><figcaption class=\"wp-element-caption\"><strong>Ubuntu Server, SSH &amp; Services<\/strong> \u2014 Remote administration, operating-system information, network configuration, systemd service status, SSH management, and command-line troubleshooting.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Working across multiple Linux distributions reinforces the core administration skills that remain consistent between environments: remote access, service management, networking, resource monitoring, security, logging, and troubleshooting. Familiarity with both graphical and command-line administration provides flexibility when supporting Linux-based infrastructure and applications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux server administration across CentOS and Ubuntu environments, including remote access, service management, networking, system monitoring, and core server operations.<\/p>\n","protected":false},"featured_media":5756,"menu_order":10,"template":"","rainbow_projects_category":[32],"class_list":["post-5737","rainbow_projects","type-rainbow_projects","status-publish","has-post-thumbnail","hentry","rainbow_projects_category-systems-servers"],"acf":[],"_links":{"self":[{"href":"https:\/\/justinwallis.com\/index.php?rest_route=\/wp\/v2\/rainbow_projects\/5737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/justinwallis.com\/index.php?rest_route=\/wp\/v2\/rainbow_projects"}],"about":[{"href":"https:\/\/justinwallis.com\/index.php?rest_route=\/wp\/v2\/types\/rainbow_projects"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/justinwallis.com\/index.php?rest_route=\/wp\/v2\/media\/5756"}],"wp:attachment":[{"href":"https:\/\/justinwallis.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5737"}],"wp:term":[{"taxonomy":"rainbow_projects_category","embeddable":true,"href":"https:\/\/justinwallis.com\/index.php?rest_route=%2Fwp%2Fv2%2Frainbow_projects_category&post=5737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}