MONITORING

This category includes the topics covering the installation / setup of various monitoring tools for effectively monitoring the server applications and performance

Collectl Examples - An Awesome Performance Analysis Tool in Linux

Colplot graph details

Collectl is a light-weight performance monitoring tool capable of reporting interactively as well as logging to disk. It reports statistics on CPU, disk, infiniband, lustre, memory, network, nfs, process, quadrics, slabs and more in easy to read format. Unlike most [...]

Adrian Dinu 11:00 am

Monit - Monitor Linux Daemon, Filesystem, CPU , Files and Network

monit details

Monit is a small linux utility designed to manage and monitor processes, programs, filesystems, directories and files. You can have it run automatic maintenance and repair and can execute meaningful causal actions in error situations. You can use Monit to [...]

Adrian Dinu 11:00 am

Install Iperf and Test Network Throughput,Speed/Other Statistics

iperf udp

Iperf is a network testing tool that can create TCP and UDP data connections and measure the throughput of a network that is carrying them. It supports tuning of various parameters related to timing, protocols, and buffers. For each test [...]

Adrian Dinu 11:47 am

GoAccess - A Real Time Apache Web Access Log Analyzer

goaccess interactive

GoAccess is a free real-time web log analyzer and interactive viewer that runs in a terminal on Linux or BSD distribution. It provides fast and valuable HTTP statistics for system administrators that require a visual server report on the fly. [...]

Adrian Dinu 9:03 am

8 Options to Trace/Debug Programs using Linux strace Command

Relative Timestamp

The strace is the tool that helps in debugging issues by tracing system calls executed by a program. It is handy when you want to see how the program interacts with the operating system, like what system calls are executed [...]

Raghu 12:03 pm

Install atop Linux tool To Monitor Your System Process

atop output

Atop is an interactive ASCII full-screen performance monitor to view the load on a Linux system. It is capable of showing the occupation  of critical hardware resources like CPU, memory, disk. It also shows which processes are responsible for the [...]

Adrian Dinu 6:29 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

Monitor your Linux Box with the saidar Utility

I feel alot of joy while exploring linux command-line tools, saidar is a very simple monitor tool for linux that I recommend to every system administrator. It does not offer many features and options as other tools avaiable to sys [...]

Oltjano Terpollari 9:30 am

Linux iftop - Listen Network traffic (interface) & Bandwidth (pair of hosts)

On-screen command

Today the need of bandwidth is growing from time to time. Movies, streaming, online games are some of the applications that consumes big bandwidth. System administrator should manage and monitor bandwidth that comes to and go from their server. There [...]

Pungki Arianto 3:00 am

dstat Tool to Monitor Processor, Memory, Network Performance on Linux Server

dstat with count

One of system administrator main job is to monitor server performance, such as processor, memory, network, and system utilization. The servers should always in its best performance and should be available when needed. To monitor all of those components in [...]

Pungki Arianto 3:00 am

How use Nmon and "Java Nmon Analyzer" for Monitor Linux Performance

nmon network monitoring

Nmon is a  resource monitoring tools which can monitor CPU, Memory, Disks, Network and even Filesystem on RHEL / Ubuntu systems. Java Nmon Analyzer is a tool that uses the nmon output as an input. It will graph the nmon [...]

Pungki Arianto 1:00 pm

Linux vnstat - A Console Network Traffic Monitoring Tool

View vnstat real-time

There are a lot of network monitoring tool in the internet. The most popular one may be Multi Router Traffic Graph or known as MRTG. To access MRTG, we need to install a web server. If you don’t want to [...]

Pungki Arianto 5:56 pm

What is ntopng & How to Install ntopng in Linux

Ntopng Users

Nowdays computers are connected between each other. From the small area such as your home Local Area Network (LAN) until the the biggest one which we call - Internet. When you are managing a network computer, you are managing one [...]

Pungki Arianto 1:00 am

How to Parse Squid Proxy Access.log File Using Squid Analyzer

Squid Analyzer menu

Squid is one of the most popular proxy software in Linux world. It’s powerful, it has a lot of features and of course, it’s free. Squid has been used by ISP’s since the early 1990 to provide faster download speeds [...]

Pungki Arianto 4:09 am