syslog – POFTUT

Tagged: syslog

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What is Syslog Default Port and Secure Port and How to Configure It?

syslog is a standardized protocol used to send Logs and events to the Log server. syslog can be used in different platforms like Linux, Windows, Unix, Applications etc. In this tutorial we will look the default syslog port and secure syslog port and some examples about how to change this port number. Default Port Number UDP 514 syslog is a protocol which is defined in RFC 5424 and RFC 3164 . The port...

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Troubleshoot and Check Cron Job Logs

cron is very useful tool and mechanism to schedule jobs in Linux operating system. cron can run scripts, commands, binaries if set properly. But in some cases there may be some mis-configuration or unexpected behavior. So we may not be sure whether cron runs like we want. We can check cron log in order to get more detail about job. By the way more details about cron can be learned...

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What Is Nagios?

Nagios is an open source system, network, application monitoring system. Nagios is designed to be run on Linux operating system or distributions like Ubuntu, Debian, CentOS etc. Architecture and Components Nagios is not a single component to run. Nagios is actually a suite which provides following components. Nagios IX Nagios IX is the core of the Nagios suite where it providing core monitoring features. Nagios IX can monitor IT infrastructure...

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How To Exclude with Grep In Linux?

grep is very useful tool used by a lot of tech guys. grep provides different functions to match given text. We have all ready mentioned these useful options of grep. In this tutorial we will look different ways to exclude in grep. Linux egrep Command Tutorial with Examples Exclude with -v  Option The basic way to exclude given term line from given text is -v  option. This will look for...

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Linux tail Command Tutorial With Examples

Linux have a lot of tools to display file content. cat , less , tail etc. are some of them. They have different features and usage areas. Tail is mainly developed and used to display end of file. We will look different features and usage examples of tail command Syntax We will use following syntax for tail command.

Help

Tail We will start simply tailing a file. We will use one...

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