{"id":302,"date":"2025-12-01T15:43:34","date_gmt":"2025-12-01T15:43:34","guid":{"rendered":"https:\/\/sites.wp.odu.edu\/pierrerj\/?page_id=302"},"modified":"2025-12-01T15:50:06","modified_gmt":"2025-12-01T15:50:06","slug":"linux-systems-3","status":"publish","type":"page","link":"https:\/\/sites.wp.odu.edu\/pierrerj\/linux-systems-3\/","title":{"rendered":"Linux Systems"},"content":{"rendered":"\n<p>In CYSE 270, you learn the <strong>fundamentals of using and managing Linux<\/strong>, especially from a cybersecurity and system-administration perspective. The course usually covers:<\/p>\n\n\n\n<ul>\n<li><strong>Linux basics<\/strong> \u2013 navigating the file system, understanding directory structures, using the command line, and working with essential commands like <code>ls<\/code>, <code>cd<\/code>, <code>cp<\/code>, <code>mv<\/code>, <code>cat<\/code>, and <code>grep<\/code>.<\/li>\n\n\n\n<li><strong>User and permission management<\/strong> \u2013 creating users, groups, and modifying permissions and ownership using tools like <code>chmod<\/code>, <code>chown<\/code>, and <code>passwd<\/code>.<\/li>\n\n\n\n<li><strong>System administration tasks<\/strong> \u2013 installing packages, managing services, editing configuration files, monitoring processes, and reviewing system logs.<\/li>\n\n\n\n<li><strong>Networking fundamentals<\/strong> \u2013 checking network interfaces, understanding IP configurations, using tools like <code>ifconfig<\/code>\/<code>ip<\/code>, <code>ping<\/code>, <code>netstat<\/code>, <code>ssh<\/code>, and troubleshooting connectivity.<\/li>\n\n\n\n<li><strong>Shell scripting<\/strong> \u2013 writing simple bash scripts to automate tasks.<\/li>\n\n\n\n<li><strong>File and storage management<\/strong> \u2013 working with file systems, mounting drives, and understanding disk usage.<\/li>\n\n\n\n<li><strong>Security concepts<\/strong> \u2013 securing Linux systems through permissions, firewalls, updates, and basic hardening techniques.<\/li>\n\n\n\n<li><strong>Hands-on labs<\/strong> \u2013 using virtual machines (often Ubuntu or Kali) to practice real-world administration skills.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Course Work<\/h2>\n\n\n\n<p>Here are a couple assignments from what i&#8217;ve learned in this class.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p>Lab 11<\/p>\n\n\n\n<div data-wp-interactive=\"\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!selectors.core.file.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Lab-11.docx.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of Lab-11.docx.\"><\/object><a id=\"wp-block-file--media-ae03721c-4819-4ed2-8eb5-aa140ab1ea74\" href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Lab-11.docx.pdf\">Lab-11.docx<\/a><a href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Lab-11.docx.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-ae03721c-4819-4ed2-8eb5-aa140ab1ea74\">Download<\/a><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p>Lab 8<\/p>\n\n\n\n<div data-wp-interactive=\"\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!selectors.core.file.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-8.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of Assignment-8.\"><\/object><a id=\"wp-block-file--media-e8991541-99aa-4eae-9a59-4787ea4e449f\" href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-8.pdf\">Assignment-8<\/a><a href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-8.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-e8991541-99aa-4eae-9a59-4787ea4e449f\">Download<\/a><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p>Lab 7<\/p>\n\n\n\n<div data-wp-interactive=\"\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!selectors.core.file.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-7.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of Assignment-7.\"><\/object><a id=\"wp-block-file--media-9c6d04f0-669f-43b8-a606-d90e0535b62e\" href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-7.pdf\">Assignment-7<\/a><a href=\"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-content\/uploads\/sites\/39993\/2025\/12\/Assignment-7.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9c6d04f0-669f-43b8-a606-d90e0535b62e\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In CYSE 270, you learn the fundamentals of using and managing Linux, especially from a cybersecurity and system-administration perspective. The course usually covers: Course Work Here are a couple assignments from what i&#8217;ve learned in this class. Lab 11 Lab 8 Lab 7<\/p>\n","protected":false},"author":30657,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/pages\/302"}],"collection":[{"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/users\/30657"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":2,"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/pages\/302\/revisions"}],"predecessor-version":[{"id":313,"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/pages\/302\/revisions\/313"}],"wp:attachment":[{"href":"https:\/\/sites.wp.odu.edu\/pierrerj\/wp-json\/wp\/v2\/media?parent=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}