Requirements: A Linux machine connected to the internet. Optional Requirement: A Linux machine running Nagios server (needed for running checks) What is NRPE? NRPE stands for Nagios Remote Plugin Executor. It’s a Nagios agent that allows remote system monitoring using scripts that are hosted on the remote systems. It allows for monitoring of resources such […]
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The Heartbleed Bug end user to do list
Recently, a serious vulnerability has been discovered in the very popular OpenSSL cryptographic software library known as the heartbleed bug. This weakness allows a malicious user to steal information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet. Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), are cryptographic […]
Cacti Installation and Configuration on ...
In this article we’re teach you how to Install and Configure Cacti on CentOS/RHEL 6. Some info from Wikipedia: Cacti is an open-source, web-based network monitoring and graphing tool designed as a front-end application for the open-source, industry-standard data logging tool RRDtool. Cacti allows a user to poll services at predetermined intervals and graph the […]
Linux Network Monitoring tools you shoul...
This article is part 3 in a series of 3 articles regarding 18 Linux system monitoring tools you should know.
In this article we’re going to cover some built-in system monitoring tools as well as some free add-on tools
which will make your life easier when troubleshooting issues regarding Networking in your server.
Linux System Monitoring tools you should...
This article is part 2 in a series of 3 articles regarding 18 Linux system monitoring tools you should know.
In this article we’re going to cover some built-in system monitoring tools as well as some free add-on tools which will make your life easier when troubleshooting issues regarding System.
Set a static route in CentOS/RHEL 6.x
In this article, How To set a static route in CentOS/RHEL 6.x I will explain when it is necessary to use a static route and how to set it up. Static routing is a type of method of network routing. Static routing in not actually a routing protocol a manual configuration on the network route. […]
Linux Memory and Process monitoring tool...
This article is part 1 in a series of 3 articles regarding 18 Linux system monitoring tools you should know.
In this article we’re going to cover some built-in system monitoring tools as well as some open source add-on tools
which will make your life easier when troubleshooting issues regarding Memory and Processes in your server.
Most Linux distributions are equipped with many monitoring tools.
These monitoring tools provide metrics which can be used to get information about system activities, such as Disk (storage) usage, CPU and memory, or Network bottlenecks.
You can use the monitoring tools to find the possible causes of a performance issue.
The commands discussed in this article are some of the most basic monitoring commands when it comes to
system analysis and debugging server issues such as:
Finding out bottlenecks.
Disk (storage) bottlenecks.
CPU and memory bottlenecks.
Network bottlenecks.