{"id":477,"date":"2022-01-09T10:00:00","date_gmt":"2022-01-09T09:00:00","guid":{"rendered":"https:\/\/cleverblog.pl\/?p=477"},"modified":"2022-01-09T03:01:49","modified_gmt":"2022-01-09T02:01:49","slug":"linux-wyswietlanie-logow","status":"publish","type":"post","link":"https:\/\/cleverblog.pl\/?p=477","title":{"rendered":"#Linux &#8211; Wy\u015bwietlanie log\u00f3w"},"content":{"rendered":"\n<p>Dowiesz si\u0119, jak przegl\u0105da\u0107 logi przegl\u0105da\u0107 logi proces\u00f3w. Dowiesz si\u0119, jak wy\u015bwietli\u0107 pe\u0142en log procesu, jak u\u017cywa\u0107 polecenia <code>systemctl status<\/code>, oraz jak u\u017cywa\u0107 polecenia <code>journalctl<\/code>. B\u0119dziesz potrzebowa\u0142 uprawnie\u0144 administratora.<\/p>\n\n\n\n<h2>Przegl\u0105danie log\u00f3w za pomoc\u0105 polecenia systemctl status<\/h2>\n\n\n\n<p>Najprostszy (ale na pewno nie najlepszy) spos\u00f3b to u\u017cycie polecenia <code>systemctl status<\/code>. Plusem tej metody jest jej prostota, natomiast minusem \u2014 ubogie mo\u017cliwo\u015bci. Sk\u0142adnia znajduje si\u0119 poni\u017cej.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl status &lt;service_name&gt;<\/code><\/pre>\n\n\n\n<p>Przyk\u0142ad u\u017cycia:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl status docker<\/code><\/pre>\n\n\n\n<p>\u0141atwo zauwa\u017cy\u0107, \u017ce polecenie standardowo wy\u015bwietla tylko kilka pierwszych wierszy logu. Je\u017celi chcemy wy\u015bwietli\u0107 ich wi\u0119cej, nale\u017cy skorzysta\u0107 z parametru <code>-n &lt;no_lines&gt;<\/code>. Poni\u017cszy przyk\u0142ad wy\u015bwietli 50 pierwszych wierszy umo\u017cliwiaj\u0105c ich scrollowanie.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl status -n 50 docker<\/code><\/pre>\n\n\n\n<h2>Przegl\u0105danie log\u00f3w za pomoc\u0105 polecenia journalctl <\/h2>\n\n\n\n<p>Zdecydowanie lepszym sposobem na przegl\u0105danie log\u00f3w jest u\u017cycie polecenia <code>journalctl<\/code>. Og\u00f3lna sk\u0142adnia wygl\u0105da tak jak poni\u017cej.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u &lt;service_name&gt;<\/code><\/pre>\n\n\n\n<p>Przyk\u0142ad u\u017cycia:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u docker<\/code><\/pre>\n\n\n\n<p>Je\u017celi chcesz wy\u015bwietli\u0107 ca\u0142y log bez paginacji, wykorzystaj parametr <code>--no-pager<\/code>.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u docker --no-pager<\/code><\/pre>\n\n\n\n<p>Je\u017celi chcesz wy\u015bwietli\u0107 log zaczynaj\u0105c od ostatnich wpis\u00f3w, wykorzystaj parametr <code>-e<\/code>, Zobaczysz w\u00f3wczas najpierw najnowsze wpisy.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u docker -e<\/code><\/pre>\n\n\n\n<p>Je\u017celi chcesz zobaczy\u0107 jedynie wpisy pocz\u0105wszy od obecnego uruchomienia systemu, u\u017cyj flagi <code>-b<\/code>.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u docker -b<\/code><\/pre>\n\n\n\n<p>Je\u017celi chcesz zobaczy\u0107 logi aktualizowane na bie\u017c\u0105co, u\u017cyj flagi <code>-f<\/code>.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo journalctl -u docker -b<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Dowiesz si\u0119, jak przegl\u0105da\u0107 logi przegl\u0105da\u0107 logi proces\u00f3w. Dowiesz si\u0119, jak wy\u015bwietli\u0107 pe\u0142en log procesu, jak u\u017cywa\u0107 polecenia systemctl status, oraz jak u\u017cywa\u0107 polecenia journalctl. B\u0119dziesz potrzebowa\u0142 uprawnie\u0144 administratora.<\/p>\n","protected":false},"author":1,"featured_media":481,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[32],"tags":[79,77,80,54,78],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>#Linux - Wy\u015bwietlanie log\u00f3w - cleverblog.pl<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cleverblog.pl\/?p=477\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"#Linux - Wy\u015bwietlanie log\u00f3w - cleverblog.pl\" \/>\n<meta property=\"og:description\" content=\"Dowiesz si\u0119, jak przegl\u0105da\u0107 logi przegl\u0105da\u0107 logi proces\u00f3w. 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