Linux, Windows, Security, Programming, Network Tutorials
logger is a command-line tool used in Linux and Unix operating systems in order to add logs to the local /var/log/syslog file or remote Syslog server. logger provides different options for adding logs like setting priority, specifying a remote system or explicitly defining the Syslog port. logger Help and Usage Information logger command is installed … Read more
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 … Read more
cron is a very useful tool and mechanism to schedule jobs in a Linux operating system. cron can run scripts, commands, binaries if set properly. But in some cases, there may be some misconfiguration or unexpected behavior. So we may not be sure whether cron runs as we want. We can check cron log in … Read more
Nagios is an open-source system, network, application monitoring system. Nagios is designed to be run on the 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 … Read more
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 … Read more
Linux has a lot of tools to display file content. cat, less, tail, etc. are some of them. They have different features and usage areas. The tail is mainly developed and used to display the end of the file. We will look at different features and usage examples of the tail command. tail Command Syntax We … Read more