A Startup Guide to Setup Icinga2 on Ubuntu 15.04

Check for the salesdb serviceCheck for the salesdb service

Hi everybody! today I am going to show you how to install Icinga2 and Icinga-web on Ubuntu 15.05 Vivid, after that we are going learn how to manage its configuration, hosts, services and notifications. Table of Contents Introduction About Icinga2 [...]

Carlos Alberto 3:00 am

CTOP - Command Line Tool to Monitor Linux Containers Performance

'ctop --column' outputOutput of 'ctop --column'

ctop is a new command line based tool available to monitor the processes at the container level. Containers provide operating system level virtualization environment by making use of the cgroups resource management functionality. This tool collects data related to memory, cpu, [...]

B N Poornima 6:00 am

pyDash - A Python App For Monitoring Your Linux Server

The python programming language is very useful to system administrators as it offers rapid development and one can easily write scripts in a very short time to automate daily tasks. There are many python tools for linux system admins out [...]

Oltjano Terpollari 11:00 am

Amazing ! 25 Linux Performance Monitoring Tools


Over the time our website has shown you how to configure various performance tools for Linux and Unix-like operating systems. In this article, we have made a list of the most used and most useful tools to monitor the performance [...]

Adrian Dinu 11:00 am

Install and Configure Icinga in Linux - A Network Monitoring Tool

Icinga on CentOS 7

Icinga is an open source system and network monitoring application. It’s a fork of Nagios and is backward compatible. It retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features [...]

Adrian Dinu 8:44 am

How to Install Wireshark on Linux

wireshark linux

Wireshark is one of the best open source network GUI packet analyzer available today. It is used to capture network packets and display the details of the packet data. Wireshark and tcpdump use libpcap to get live network data. It’s often more easy [...]

Bobbin Zachariah 8:13 pm

Sar Command in Linux with Examples

sar command linux

Sar command is one of the very useful tools for any Linux administrator to monitor the system performance and to investigate the bottlenecks. This tool is provided by the sysstat package and can be used to find a variety of [...]

Bobbin Zachariah 8:53 pm

PRM - Process Resource Monitor for Linux

PRM is a CPU, memory, processes and run (elapsed) time resource monitor for Linux systems. It does this by monitoring the process table on a given system and matches process id's with set resource limits in the configuration file or per-process [...]

Bobbin Zachariah 12:57 pm

Tcpdump - How to Capture Live Network Traffic in Linux

Linux tcpdump

tcpdump is a tool used for network packet capturing or packet analyzer that works for most of the unix-like operating systems. Also you can call as packet sniffer that operates on packet level. It allows users to capture and display TCP/IP and [...]

Bobbin Zachariah 12:04 pm

CPU Bottleneck - How To Use Vmstat, Mpstat and SAR Commands

Linux CPU

One of the main functions the kernel or Operating System is Memory Management. When process try to access physical memory, if physical memory not free, than kernel move the inactive processes to virtual memory then it is called Paging. To know [...]

Bobbin Zachariah 11:27 am

6 Commands to Monitor CPU Usage in Linux

Command CPU check usage linux

CPU is core part the system and processes all the task. There are many methods to check the CPU performance on linux system. Most commonly used commands are top, ps, sar, iostat, mpstat and to check the daily CPU performance. [...]

Bobbin Zachariah 9:33 am