{"id":4202,"date":"2010-11-25T22:18:15","date_gmt":"2010-11-25T16:48:15","guid":{"rendered":"http:\/\/www.jeffrin.in\/?p=3901"},"modified":"2010-11-25T22:18:15","modified_gmt":"2010-11-25T16:48:15","slug":"logging-0-1","status":"publish","type":"post","link":"https:\/\/www.trueangle.org\/index.php\/2010\/11\/25\/logging-0-1\/","title":{"rendered":"logger&#8212;0.6.xml"},"content":{"rendered":"<p><a href=\"https:\/\/beautifulworknew.wordpress.com\/wp-content\/uploads\/2021\/03\/2051b-logger11.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/beautifulworknew.wordpress.com\/wp-content\/uploads\/2021\/03\/2051b-logger11.png\" alt=\"\" title=\"logger\" width=\"300\" height=\"225\" class=\"aligncenter size-full wp-image-4023\" \/><\/a><\/p>\n<pre>\n[daemon.log]Every   daemon  without  a   separate  facility   logs  to\ndaemon.log.  The  priority of  log events is  not relevent.[debug]File\ndebug has messages useful for debugging.The priority of log events are\nnot relevent.[dmesg] After the  kernel has booted, all kernel messages\nare written to dmesg for  later reference.This file is not rotated and\nonly exists for a single boot cycle before being overwritten.Note that\nthe choice of  the name is a little unfortunate,  as the dmesg command\nprints  the  current  kernel  log ring  buffer,which  is  continuously\nupdated and new kernel events are logged.These messages are written to\nkern.log; The dmesg file is not modified until the next restart of the\nsystem.[kern.log] Log messages  with the kern facility end  up in this\nfile.The  contents are mostly  what the  kernel spits  out,after being\nformatted by klogd.[lpr.log]Log messages  with the lpr facility end up\nin this file.\n\n<\/pre>\n<pre>\n[mail.log]  Log entries  related  to the  mail  system(using the  mail\nfacility) go into  this file.  For easier parsing  by scripts,mail log\nentries    are    also    written    to    mail.info,    mail.warn,and\nmail.err,according to  their priority.  Unfortunately,Debian's default\nMTA,exim4,  does not  use this  file.[messages]Pretty  much everything\nthat  is not  an  error or  a  trivial log  entry,and  not related  to\nauthentication,daemons  ,cron(or other  automatic schedulers),mail,and\nnews goes here.\n\n<\/pre>\n<h3>  btmp   auth.log  syslog  boot <\/h3>\n<pre>\nbtmp shows a log of the file \/var\/log\/btmp, which contains all the bad\nlogin   attempts.    auth.log   receives   log  entries   related   to\nauthentication,and  other  events  that  are critical  to  privacy  or\nsecurity issues.   everything not related to authentication  end up in\nsyslog file.   syslog is  the catch-all log  file on a  debian system.\nlog  messages  produced during  the  initialization  sequence will  be\nlogged to boot.\n\n<\/pre>\n<p style=\"width:480px;border-style:dashed;border-width:2px;padding:3px;\">\n[youtube=http:\/\/www.youtube.com\/watch?v=WCHUb-n6hfw&amp;fs=1&amp;hl=en_US&amp;rel=0]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[daemon.log]Every daemon without a separate facility logs to daemon.log. The priority of log events is not relevent.[debug]File debug has messages useful for debugging.The priority of log events are not relevent.[dmesg] After the kernel has booted, all kernel messages are written to dmesg for later reference.This file is not rotated and only exists for a single &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.trueangle.org\/index.php\/2010\/11\/25\/logging-0-1\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;logger&#8212;0.6.xml&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[634,1035,1070,1531],"_links":{"self":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/4202"}],"collection":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/comments?post=4202"}],"version-history":[{"count":0,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/posts\/4202\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/media?parent=4202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/categories?post=4202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.trueangle.org\/index.php\/wp-json\/wp\/v2\/tags?post=4202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}