{"id":305,"date":"2020-05-07T20:27:00","date_gmt":"2020-05-07T14:57:00","guid":{"rendered":"https:\/\/www.24x7serversupport.com\/24x7serversupport-blog\/?p=305"},"modified":"2023-01-28T12:53:15","modified_gmt":"2023-01-28T07:23:15","slug":"find-exact-installation-date-and-time-of-your-linux-os","status":"publish","type":"post","link":"https:\/\/www.24x7serversupport.com\/blog\/find-exact-installation-date-and-time-of-your-linux-os\/","title":{"rendered":"Find Exact Installation Date And Time Of Your Linux OS"},"content":{"rendered":"\n<p>If you use Arch Linux and its derivatives like Antergos or Manjaro Linux, you can easily find how long have you been without a reinstall by analyzing the pacman logs as shown below.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">head -n1 \/var\/log\/pacman.log<\/pre>\n\n\n\n<p>On Fedora, RHEL and its clones such as CentOS, Scientific Linux, Oracle Linux, you can find it using the following command:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sudo rpm -qi basesystem<\/pre>\n\n\n\n<p>Sample output from my CentOS 7 server:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Name : basesystem<br>Version : 10.0<br>Release : 7.el7.centos<br>Architecture: noarch<br>Install Date: Mon 06 Aug 2018 02:54:17 PM PDT<br>Group : System Environment\/Base<br>Size : 0<br>License : Public Domain<br>Signature : RSA\/SHA256, Fri 04 Jul 2014 06:16:57 AM IST, Key ID 24c6a8a7f4a80eb5<br>Source RPM : basesystem-10.0-7.el7.centos.src.rpm<br>Build Date : Fri 27 Jun 2014 04:07:10 PM IST<br>Build Host : worker1.bsys.centos.org<br>Relocations : (not relocatable)<br>Packager : CentOS BuildSystem <a href=\"http:\/\/bugs.centos.org\">http:\/\/bugs.centos.org<\/a><br>Vendor : CentOS<br>Summary : The skeleton package which defines a simple CentOS Linux system<br>Description :<br>Basesystem defines the components of a basic CentOS Linux<br>system (for example, the package installation order to use during<br>bootstrapping). Basesystem should be in every installation of a system,<br>and it should never be removed.<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>If you use Arch Linux and its derivatives like Antergos or Manjaro Linux, you can easily find how long have you been without a reinstall by analyzing the pacman logs as shown below. head -n1 \/var\/log\/pacman.log On Fedora, RHEL and its clones such as CentOS, Scientific Linux, Oracle Linux, you can find it using the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3612,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[30,34],"tags":[],"class_list":["post-305","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos","category-linux"],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to find exact installation date and time of your linux machine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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