Monitor Apache Error Logs
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Logs Top Alerts Top Dashboards ↑ 4 Monitoring Apache Logs You need a way to proactively monitor for known (and unknown) conditions and to get notified when one of these conditions requires your attention. Typical approaches include alerts for urgent issues and dashboards to watch stats on
Apache Access Log Syslog
a regular basis. Top Alerts Alerts are immediate notifications that give you a chance to proactively rsyslog forward apache logs fix issues before too many customers are impacted or report support issues. Unfortunately, most Unix distributions don't have convenient alerting tools, but you can tail apache log ubuntu try to build your own using cron jobs or postfix. Log management services will continuously check your logs to see if an alert should fired and can notify you right away. Here are some great alerts to consider
Apache Logs Location
for Apache. The search examples are for Loggly and you can find good thresholds by looking at trends during your peak site usage periods. Description Search Threshold Your error rate is too high apache.status:>400 >100 in last 15 minutes Your traffic is much higher than normal logtype:apache >1000 in last 15 minutes Your site is much slower than desired apache.requestTimeMillis:>1000 >200 in last 15 minutes Tips on setting up Apache alerts: Check every 15 minutes over a 15
Monitor Apache Logs In Real Time
minute window. If you select less, you may have issues when there is an outage or a burst of data that gets queued. Set the email to go to a mailing list owned by your Ops team or use a service like PagerDuty to alert your on-call person or send an SMS. Top Dashboards Dashboards are a great way to stay on top of what’s happening on your site, as told by your Apache logs. Unix command line tools don't offer good graphical dashboards, but log management systems have great capabilities built in. Here are some dashboards to set up for Apache, with an example screenshot showing each below. Apache Status Over Time tells you if there is an unexpected increase in traffic or error rate. Apache Response Time tells you if response times are slow due to servers getting overloaded or new code deployments. In the trend view, select Timeline chart, a numeric field of apache.requestTimeMillis and the operator is Average or Max. Apache Traffic By IP tells you if traffic issues are overwhelmingly caused by one or a small number of clients. Top Error URIs tells you which URIs have the most errors. Contributed by Jason Skowronski Become a contributor NikhilO Is there any way to find out how to create these charts? Jason Skowronski I created these charts using the Loggly service. I configured Apache to add some addit
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Apache Error Log Format
Knowledge Base Home » Knowledge Base » Developer Corner » Apache web server » Here How to view Apache log files apache log viewer This article describes how to view Apache log files on a dedicated server or VPS. If you're experiencing web server difficulties, or you just want to see what Apache is doing, log files should https://www.loggly.com/ultimate-guide/monitoring-apache-logs/ be your first stop. Apache records information about all visitors to your site, as well as any problems the server encounters. To do this, Apache uses two types of log files: access logs and error logs. Shared hosting accounts cannot view the raw Apache log files for the entire server. However, you can still view log file information for your own account. For information about how to view the https://www.a2hosting.com/kb/developer-corner/apache-web-server/viewing-apache-log-files access log for your account, please see this article. For information about how to view the error log for your account, please see this article.Table of Contents
Access logs Managed dedicated servers and VPS Semi-managed dedicated servers and VPS Error logs Managed dedicated servers and VPS Semi-managed dedicated servers and VPS More Information Access logs Apache uses the access log files to record information about every visitor to your site. You can see which files visitors view, how the web server responds to requests, and other information such as the web browsers visitors use. Managed dedicated servers and VPS If you have a managed Flex Dedicated Server or VPS, you can view the raw Apache access logs in cPanel. For more information about how to do this, please see this article. Semi-managed dedicated servers and VPS If you have a semi-managed Flex Dedicated Server or VPS, you have root access. This means you can manipulate and process the Apache access log files any way you want. For example, you can log in to your server using SSH and type the following command to view the last 100 lines in the access log: sudo tail -100 /etc/httpd/logs/access_log If your server is running Debian or UStart here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with http://serverfault.com/questions/192409/how-to-watch-logs-in-real-time-via-terminal us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to watch logs in real time via Terminal? up vote 11 down vote favorite 10 This is a basic question - in the movie "The Social Network" there apache log are several scenes when the young Facebook staff is watching the PHP/Apache server logs on in their TERMINAL in real time. I'm familiar with how to do this in a RUBY/RoR environment - but with a standard LAMP Apache/PHP environment, how to do actively monitor your server's actions in real time? I'm guessing there's an easy way to do this in Terminal. apache-2.2 php logging lamp terminal share|improve this question edited Oct 19 '10 at 23:03 Stefan Lasiewski 12.5k2183150 asked Oct 19 '10 at 9:40 Jamison apache error log 159114 migrated from stackoverflow.com Oct 19 '10 at 9:46 This question came from our site for professional and enthusiast programmers. I haven't seen this movie. Does anyone have a screenshot or a clip which shows the details of what the Facebook staff are doing in the movie? –Stefan Lasiewski Oct 19 '10 at 23:02 tail -f on the log file usually does it. –Fiasco Labs Oct 17 '13 at 1:35 add a comment| 12 Answers 12 active oldest votes up vote 45 down vote maybe they use tail -f on the access log? share|improve this answer answered Oct 19 '10 at 9:42 Dror 56139 2 Wouldn't this get unmanageable really fast for large sites like Facebook where there are thousands of requests every second? –Vilx- Oct 19 '10 at 9:49 3 tail -f can always be filtered through grep if you're looking for specific requests... that can reduce the volumes –Mark Baker Oct 19 '10 at 9:58 3 tail -f is the no. 1 reason for putting at least minimal Cygwin on a windows box! –Daniel Earwicker Oct 19 '10 at 10:21 1 @Daniel I think GnuWin32 also has a tail command –Jader Dias Oct 19 '10 at 10:51 1 for that speed problem ... tail -f /log/any.log | while read line; do echo $line; sleep 3; done but this wouldn't be "realtime" anymore –theist Oct 19 '10 at 13:58 | show 1 more comment up vote 13 down vote Or even something like logstalgia