{"id":13819,"date":"2025-01-14T10:59:34","date_gmt":"2025-01-14T10:59:34","guid":{"rendered":"https:\/\/www.bodhost.com\/kb\/?p=13819"},"modified":"2026-02-26T14:02:09","modified_gmt":"2026-02-26T14:02:09","slug":"check-running-processes-in-linux","status":"publish","type":"post","link":"https:\/\/www.bodhost.com\/kb\/check-running-processes-in-linux\/","title":{"rendered":"Check Running Processes in Linux"},"content":{"rendered":"<p data-pm-slice=\"1 1 []\">Monitoring the processes running on a Linux system is an essential task for system administrators and users who want to manage system resources effectively. This guide will walk you through various methods to check running processes in Linux in a human-readable way.<\/p>\n<h4 data-pm-slice=\"1 1 []\">1. <strong>Using the <\/strong><code><strong>ps<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>The <code>ps<\/code> command displays information about active processes. It\u2019s one of the simplest ways to view running processes.<\/p>\n<h4 data-pm-slice=\"1 1 []\">Basic Usage:<\/h4>\n<p>ps<\/p>\n<p data-pm-slice=\"1 3 []\">This command shows processes related to the current terminal session.<\/p>\n<h4>Common Options:<\/h4>\n<ul data-spread=\"false\">\n<li><code>ps -e<\/code>: Displays all processes.<\/li>\n<li><code>ps -f<\/code>: Shows full-format listing, including additional details like the user and command.<\/li>\n<li><code>ps aux<\/code>: Provides a comprehensive view of all processes along with their CPU and memory usage.<\/li>\n<\/ul>\n<h4 data-pm-slice=\"1 1 []\">Example:<\/h4>\n<p>ps aux | less<\/p>\n<p data-pm-slice=\"1 1 []\">This command lists all processes and pipes the output into <code>less<\/code> for easier navigation.<\/p>\n<h4 data-pm-slice=\"1 1 []\">2. <strong>Using the <\/strong><code><strong>top<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p data-pm-slice=\"1 1 []\">The <code>top<\/code> command is an interactive utility that provides a dynamic, real-time view of system processes.<\/p>\n<h4>Run the Command:<\/h4>\n<p>top<\/p>\n<p data-pm-slice=\"1 1 []\">Key columns include:<\/p>\n<ul data-spread=\"false\">\n<li>PID: Process ID<\/li>\n<li>USER: User running the process<\/li>\n<li>%CPU: CPU usage<\/li>\n<li>%MEM: Memory usage<\/li>\n<\/ul>\n<h4>Interactive Controls:<\/h4>\n<ul data-spread=\"false\">\n<li>Press <code>q<\/code> to quit.<\/li>\n<li>Use <code>h<\/code> for help within the <code>top<\/code> interface.<\/li>\n<\/ul>\n<h4>3. <strong>Using the <\/strong><code><strong>htop<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p data-pm-slice=\"1 1 []\"><code>htop<\/code> is an enhanced alternative to <code>top<\/code> with a more user-friendly interface. It provides color-coded information and easier navigation.<\/p>\n<h4>Install <code>htop<\/code> (if not already installed):<\/h4>\n<p>sudo apt install htop # For Debian\/Ubuntu<br \/>\nsudo yum install htop # For CentOS\/RHEL<\/p>\n<h4 data-pm-slice=\"1 1 []\">Run the Command:<\/h4>\n<p>htop<\/p>\n<h4 data-pm-slice=\"1 1 []\">4. <strong>Using the <\/strong><code><strong>pidof<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>The <code>pidof<\/code> command is useful for finding the PID of a specific process.<\/p>\n<h4>Usage:<\/h4>\n<p>pidof &lt;process_name&gt;<\/p>\n<p data-pm-slice=\"1 1 []\">For example, to find the PID of the <code>nginx<\/code> service:<\/p>\n<p data-pm-slice=\"1 1 []\">pidof nginx<\/p>\n<h4 data-pm-slice=\"1 1 []\">5. <strong>Using the <\/strong><code><strong>pgrep<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>The <code>pgrep<\/code> command searches for processes based on name and other attributes.<\/p>\n<h4>Basic Usage:<\/h4>\n<p>pgrep &lt;process_name&gt;<\/p>\n<p data-pm-slice=\"1 1 []\">Example:<\/p>\n<p data-pm-slice=\"1 1 []\">pgrep ssh<\/p>\n<p data-pm-slice=\"1 1 []\">This will list the PIDs of all processes related to <code>ssh<\/code>.<\/p>\n<h4 data-pm-slice=\"1 1 []\">6. <strong>Using the <\/strong><code><strong>jobs<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>The the <code>jobs<\/code> command displays processes started by the current shell.<\/p>\n<h4>Run the Command:<\/h4>\n<p>jobs<\/p>\n<p data-pm-slice=\"1 1 []\">This is particularly useful for managing background and stopped jobs in the terminal.<\/p>\n<h4 data-pm-slice=\"1 1 []\">7. <strong>Using the <\/strong><code><strong>\/proc<\/strong><\/code><strong> Filesystem<\/strong><\/h4>\n<p>Linux maintains information about processes in the <code>\/proc<\/code> directory. Each running process has a corresponding directory under <code>\/proc<\/code> with its PID as the name.<\/p>\n<h4>Example:<\/h4>\n<p>To view the status of a process with PID 1234:<\/p>\n<p>cat \/proc\/1234\/status<\/p>\n<h4 data-pm-slice=\"1 1 []\">8. <strong>Using the <\/strong><code><strong>systemctl<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>For systems using <code>systemd<\/code>, the <code>systemctl<\/code> command helps monitor service-related processes.<\/p>\n<h4>List Active Services:<\/h4>\n<p>systemctl list-units &#8211;type=service<\/p>\n<h4 data-pm-slice=\"1 1 []\">Check the Status of a Specific Service:<\/h4>\n<p>systemctl status apache2<\/p>\n<h4 data-pm-slice=\"1 1 []\">9. <strong>Using the <\/strong><code><strong>netstat<\/strong><\/code><strong> Command<\/strong><\/h4>\n<p>To view processes related to network activity, the <code>netstat<\/code> command can be useful.<\/p>\n<h4>Example:<\/h4>\n<p>netstat -tulnp<\/p>\n<h4 data-pm-slice=\"1 1 []\">10. <strong>Combining Commands for Detailed Output<\/strong><\/h4>\n<p>You can combine commands with <code>grep<\/code> to filter specific results.<\/p>\n<h4>Example:<\/h4>\n<p><strong>To find all processes running under a specific user:<br \/>\n<\/strong>ps -u &lt;username&gt;<\/p>\n<p data-pm-slice=\"1 1 []\"><strong>To filter for a specific process:<br \/>\n<\/strong>ps aux | grep &lt;process_name&gt;<\/p>\n<p data-pm-slice=\"1 1 []\">These commands provide versatile ways to monitor and manage processes on a Linux system. By mastering these tools, you can efficiently track system performance, diagnose issues, and optimize resource usage.<\/p>\n<p>Learn More: <a href=\"https:\/\/www.bodhost.com\/kb\/how-to-check-the-size-of-a-directory-in-linux\/\" target=\"_blank\" rel=\"noopener\">How to Check the Size of a Directory in Linux<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Monitoring the processes running on a Linux system is an essential task for system administrators and users who want to manage system resources effectively. This guide will walk you through&hellip;<\/p>\n<p><a href=\"https:\/\/www.bodhost.com\/kb\/check-running-processes-in-linux\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[666],"tags":[1594],"class_list":["post-13819","post","type-post","status-publish","format-standard","hentry","category-general","tag-check-running-processes-in-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Check Running Processes in Linux<\/title>\n<meta name=\"description\" content=\"This guide will walk you through various methods to check running processes in Linux in a human-readable way.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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