{"id":3212,"date":"2016-01-06T11:31:19","date_gmt":"2016-01-06T02:31:19","guid":{"rendered":"https:\/\/www.pistolfly.com\/weblog\/?p=3212"},"modified":"2023-12-10T10:19:52","modified_gmt":"2023-12-10T01:19:52","slug":"passenger-config-and-passenger-status-result-in-an-error-on-centos7","status":"publish","type":"post","link":"https:\/\/www.pistolfly.com\/weblog\/en\/2016\/01\/passenger-config-and-passenger-status-result-in-an-error-on-centos7.html","title":{"rendered":"passenger-config and passenger-status result in an error on CentOS7"},"content":{"rendered":"\n<p>passenger-config and passenger-status result in an error on CentOS7.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CentOS Linux release 7.2.1511 (Core)<\/li>\n\n\n\n<li>Apache\/2.4.6 (CentOS)<\/li>\n\n\n\n<li>Phusion Passenger 5.0.23 (Installed by `passenger-install-apache2-module`)<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted command-line\">$ passenger-config restart-app\n*** ERROR: Phusion Passenger doesn't seem to be running. If you are sure that it\nis running, then the causes of this problem could be one of:\n\n 1. You customized the instance registry directory using Apache's\n    PassengerInstanceRegistryDir option, Nginx's\n    passenger_instance_registry_dir option, or Phusion Passenger Standalone's\n    --instance-registry-dir command line argument. If so, please set the\n    environment variable PASSENGER_INSTANCE_REGISTRY_DIR to that directory\n    and run this command again.\n 2. The instance directory has been removed by an operating system background\n    service. Please set a different instance registry directory using Apache's\n    PassengerInstanceRegistryDir option, Nginx's passenger_instance_registry_dir\n    option, or Phusion Passenger Standalone's --instance-registry-dir command\n    line argument.\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Reason<\/h2>\n\n\n\n<p>Passenger could not find instance registry directory (PassengerInstanceRegistryDir on Apache, passenger_instance_registry_dir on Nginx).<\/p>\n\n\n\n<p>If instance registry directory is not explicitly specified, default value \/tmp is used.<br \/>So instance registry dir is made in \/tmp. But because Systemd PrivateTmp option is enabled on httpd (default), instance registry dir is created in httpd's private \/tmp directory (\/tmp\/systemd-private-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX-httpd.service-XXXXXX\/tmp). This directory can't be found by other processes such as passenger-config or passenger-status.<\/p>\n\n\n\n<p>This problem owes to Systemd's PrivateTmp, so it may also occurs on RHEL7 or Amazon Linux 2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Workaround 1: Explicitly specify PassengerInstanceRegistryDir<\/h2>\n\n\n\n<p>This workaround remains Systemd's PrivateTmp enabled.<br \/>Explicitly specify Passenger's instance registry directory so that instance registry dir is not made in httpd's private \/tmp directory.<\/p>\n\n\n<div class=\"alert\">\nFirst, I made PassengerInstanceRegistryDir to be created in \/var\/run, but since systemd-239 or later displays the following warning, I have modified it to be created in \/run.\n<pre class=\"command-line\">[\/etc\/tmpfiles.d\/passenger.conf:1] Line references path below legacy directory \/var\/run\/, updating \/var\/run\/passenger-instreg \u2192 \/run\/passenger-instreg; please update the tmpfiles.d\/ drop-in file accordingly.<\/pre>\n<p><a href=\"https:\/\/access.redhat.com\/solutions\/4154291\" target=\"_blank\" rel=\"noopener\">Systemd logs warnings about the legacy tmpfile location \/var\/run - Red Hat Customer Portal<\/a>\n<\/p>\n<\/div>\n\n\n<p>\uff08on Apache\uff09<br \/>\/etc\/httpd\/conf\/httpd.conf<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">PassengerInstanceRegistryDir \/run\/passenger-instreg\n<\/pre>\n\n\n\n<p>Because files and directories in \/run is deleted on reboot, you must add config file in tmpfiles.d.<br \/>See man 5 tmpfiles.d for details.<\/p>\n\n\n\n<p>\/etc\/tmpfiles.d\/passenger.conf<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">D \/run\/passenger-instreg 0755 root root\n<\/pre>\n\n\n\n<p>You must add PASSENGER_INSTANCE_REGISTRY_DIR for the users who executes passenger-status and passenger-config.<\/p>\n\n\n\n<p>~\/.bash_profile<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">export PASSENGER_INSTANCE_REGISTRY_DIR=\/run\/passenger-instreg\n<\/pre>\n\n\n\n<p>If you use capistrano-passenger, you must set PASSENGER_INSTANCE_REGISTRY_DIR in the stage's deploy recipe because capistrano-passenger executes `passenger-config restart-app`.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">set :default_env, {\n  ...(omit)..,\n  \"PASSENGER_INSTANCE_REGISTRY_DIR\" =&gt; \"\/run\/passenger-instreg\"\n}\n<\/pre>\n\n\n\n<p>Finally restart system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Workaround 2: Disable PrivateTmp on httpd.service<\/h2>\n\n\n\n<p>This workaround disables Systemd's PrivateTmp on httpd.service.<\/p>\n\n\n\n<pre class=\"command-line\">$ sudo systemctl edit httpd.service<\/pre>\n\n\n\n<pre class=\"prettyprint\">[Service]\nPrivateTmp=false\n<\/pre>\n\n\n\n<p>Then execute below.<\/p>\n\n\n\n<pre class=\"command-line\">$ sudo systemctl restart httpd.service\n<\/pre>\n\n\n\n<p><div class=\"alert\">Manually copying files under \/usr\/lib\/systemd\/system\/ is not recommended, so I fixed to use `systemctl edit`. Using `systemctl edit`, systemd configuration is automatically reloaded (in a way that is equivalent to daemon-reload).<\/div><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><del>Copy \/usr\/lib\/systemd\/system\/httpd.service to \/etc\/systemd\/system and edit it.<\/del><\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><del>\/etc\/systemd\/system\/httpd.service<\/del><\/p>\n<\/blockquote>\n\n\n\n<p><del>...\uff08omit\uff09<br \/>PrivateTmp=false<br \/>...\uff08omit\uff09<br \/><\/del><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><del>Then execute below.<\/del><\/p>\n<\/blockquote>\n\n\n\n<p class=\"command-line\"><del>$ sudo systemctl daemon-reload<\/del><br \/><del>$ sudo systemctl restart httpd.service<\/del><\/p>\n\n\n\n<p>Source: <em><a href=\"http:\/\/qiita.com\/ayweak\/items\/decd9812c73e945c6b7b\" target=\"_blank\" rel=\"noopener noreferrer\">CentOS 7 \u3067 Phusion Passenger \u306e passenger-status \u3092\u5b9f\u884c\u3059\u308b\u3068\u30a8\u30e9\u30fc\u3068\u306a\u308b - Qiita<\/a><\/em><br \/><em><a href=\"http:\/\/qiita.com\/suemoc\/items\/e29285e8e67263298f35?utm_source=Qiita%E3%83%8B%E3%83%A5%E3%83%BC%E3%82%B9&amp;utm_campaign=d90be9a83a-Qiita_newsletter_189_1_06_2015&amp;utm_medium=email&amp;utm_term=0_e44feaa081-d90be9a83a-32779453\" target=\"_blank\" rel=\"noopener noreferrer\">\u304a\u524d\u3089\u3082\u3055\u3063\u3055\u3068\u30cf\u30de\u3063\u3066\u6ce3\u304f\u3079\u304dCentOS7\u306e\u843d\u3068\u3057\u7a744\u3064 - Qiita<\/a><\/em><br \/><em><a href=\"https:\/\/github.com\/phusion\/passenger\/issues\/1475\" target=\"_blank\" rel=\"noopener noreferrer\"> Handle systemd PrivateTmp #1475 <\/a><\/em><br \/><em><a href=\"http:\/\/enakai00.hatenablog.com\/entry\/20130923\/1379927579\" target=\"_blank\" rel=\"noopener noreferrer\">Systemd\u5165\u9580(5) - PrivateTmp\u306e\u5b9f\u88c5\u3092\u898b\u308b - \u3081\u3082\u3081\u3082<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>passenger-config and passenger-status result in an error on CentOS7. $ passenger-config restart-app *** ERROR: &hellip; <a href=\"https:\/\/www.pistolfly.com\/weblog\/en\/2016\/01\/passenger-config-and-passenger-status-result-in-an-error-on-centos7.html\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">passenger-config and passenger-status result in an error on CentOS7<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"3118","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6,31],"tags":[],"class_list":["post-3212","post","type-post","status-publish","format-standard","hentry","category-linux","category-ruby-on-rails","en-US"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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