* * * * * myjob.sh >> /var/log/myjob.log 2>&1 will log all output from the cron job to /var/log/myjob.log You might use mail to send emails. Most systems will send unhandled cron job output by email to root or the corresponding user.
java.util.logging keeps you from having to tote one more jar file around with your application, and it works well with a good Formatter. In general, at the top of every class, you should have: private static final Logger LOGGER = Logger.getLogger( ClassName.class.getName() ); Then, you can just use various facilities of the Logger class. Use … Read more
nohup some_command &> nohup2.out & and voila. Older syntax for Bash version < 4: nohup some_command > nohup2.out 2>&1 &
First, Remember that this logfile can grow very large on a busy server. For mysql < 5.1.29: To enable the query log, put this in /etc/my.cnf in the [mysqld] section log = /path/to/query.log #works for mysql < 5.1.29 Also, to enable it from MySQL console SET general_log = 1; See http://dev.mysql.com/doc/refman/5.1/en/query-log.html For mysql 5.1.29+ With … Read more
I just now wrote a log handler of my own that just feeds everything to the parent process via a pipe. I’ve only been testing it for ten minutes but it seems to work pretty well. (Note: This is hardcoded to RotatingFileHandler, which is my own use case.) Update: @javier now maintains this approach as … Read more
As of SLF4J 1.6.0, in the presence of multiple parameters and if the last argument in a logging statement is an exception, then SLF4J will presume that the user wants the last argument to be treated as an exception and not a simple parameter. See also the relevant FAQ entry. So, writing (in SLF4J version … Read more
Update: For extensions to System.Diagnostics, providing some of the missing listeners you might want, see Essential.Diagnostics on CodePlex (http://essentialdiagnostics.codeplex.com/) Frameworks Q: What frameworks do you use? A: System.Diagnostics.TraceSource, built in to .NET 2.0. It provides powerful, flexible, high performance logging for applications, however many developers are not aware of its capabilities and do not make … Read more
(Note: For mysql-5.6+ this won’t work. There’s a solution that applies to mysql-5.6+ if you scroll down or click here.) If you don’t want or cannot restart the MySQL server you can proceed like this on your running server: Create your log tables on the mysql database CREATE TABLE `slow_log` ( `start_time` timestamp NOT NULL … Read more
Don’t write any Interceptors, Filters, Components, Aspects, etc., this is a very common problem and has been solved many times over. Spring Boot has a modules called Actuator, which provides HTTP request logging out of the box. There’s an endpoint mapped to /trace (SB1.x) or /actuator/httptrace (SB2.0+) which will show you last 100 HTTP requests. … Read more
Some of these fall into the category of general NLog (or logging) tips rather than strictly configuration suggestions. Here are some general logging links from here at SO (you might have seen some or all of these already): log4net vs. Nlog Logging best practices What’s the point of a logging facade? Why do loggers recommend … Read more