{"id":23888,"date":"2021-09-26T17:36:17","date_gmt":"2021-09-26T17:36:17","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=23888"},"modified":"2021-09-26T17:55:21","modified_gmt":"2021-09-26T17:55:21","slug":"prometheus-commands-and-example-reference","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/prometheus-commands-and-example-reference\/","title":{"rendered":"Prometheus Commands and Example Reference"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Prometheus Reload without command line restart<\/h2>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">$ curl -i -XPOST localhost:<span class=\"hljs-number\">9090<\/span>\/-\/reload\n$ killall -HUP prometheus\n$ sudo systemctl daemon-reload\t<span class=\"hljs-comment\">#  (when the --web.enable-lifecycle flag is enabled).<\/span>\n$ sudo systemctl restart prometheus<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to check your prometheus.yml is valid<\/h2>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">$ .\/promtool check config prometheus.yml<\/code><\/span><\/pre>\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">How to Shutting down Prometheus?<\/h2>\n\n\n\n<p>Prometheus is a standard Unix binary, so can be asked to shutdown using a SIGTERM. You will need to know the process id of Prometheus, which you might be able to find with pgrep -f prometheus or in a file such as \/var\/run\/prometheus.pid depending on your setup. Then you can run:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">$ kill -TERM <span class=\"hljs-number\">1234<\/span>\nwhere <span class=\"hljs-number\">1234<\/span> is the pid.\n\n$ curl -X POST http:<span class=\"hljs-comment\">\/\/localhost:9090\/-\/quit #  (when the --web.enable-lifecycle flag is enabled).<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\">Prometheus help<\/h2>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">$ .\/prometheus -h<\/code><\/span><\/pre>\n\n\n<h2 class=\"wp-block-heading\">Prometheus journalctl Troubelshooting Commands<\/h2>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">Reading the system log\njournalctl is your interface into a single machine's journal\/logging. All service files insert data into the systemd journal. There are a few helpful commands to read the journal:\n\nRead the entire journal\n$ journalctl\n\nRead entries for a specific service\n$ sudo journalctl -u prometheus\n\nRead entries since boot\n$ journalctl --boot\n\nTail the journal\n$ journalctl -f\n$ journalctl -u apache.service -f\n$ sudo journalctl -u prometheus<\/code><\/span><\/pre>\n\n\n<h2 class=\"wp-block-heading\">How to reload Prometheus config file?<\/h2>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">$ ps -eaf | grep prom\r\n$ kil -HUP 9783\r\n$ kill -HUP 9783<\/code><\/span><\/pre>\n\n\n<hr class=\"wp-block-separator\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Prometheus Reload without command line restart How to check your prometheus.yml is valid How to Shutting down Prometheus? Prometheus is a standard Unix binary, so can be asked to shutdown&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-23888","post","type-post","status-publish","format-standard","hentry","category-uncategorised"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/23888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=23888"}],"version-history":[{"count":5,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/23888\/revisions"}],"predecessor-version":[{"id":23991,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/23888\/revisions\/23991"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=23888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=23888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=23888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}