MONITORING

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

How to Setup a Centralized Syslog Server in Red Hat Linux

linux syslog server

Server logs become essential troubleshooting key points for system administrators when an issue occurs. By default, all the logs on RHEL based servers are stored in /var/log directory.  The syslog daemon can be configured to send logs to a remote [...]

Deep 6:27 pm

How to Check Memory Usage of Process with Linux Top Command

Generally, we look at the memory usage using the free command that provides us the total physical memory and used memory out of total memory. But top command is more useful to check memory usage in Linux. Free command display [...]

Bobbin Zachariah 9:15 am

How to Check Memory Usage of Process with Linux pmap Command

The Linux pmap command displays the memory usage map of a process or multiple processes. Pmap reports information about the address space or memory usage map of a process. Pmap is actually a Sun OS command and Linux supports only very [...]

Bobbin Zachariah 9:29 am

How to Find Linux Process Memory Usage with PS Command

The ps or "process status" command is used to provide information about the currently running processes, including their process identification numbers (PIDs), USER, TTY, %CPU, %MEM and command. Every process is assigned a unique ID the system that is called [...]

Bobbin Zachariah 9:01 am

Linux Iotop Tool - Monitor Disk I/O Process

Iotop tool is free open source free tool that monitor Disk Input/Output usage. Its helps system administrator to find specific process that consume more disk usage and helps in performance analysis. Iotop tool is supported from 2.6.20 kernel. This article [...]

Bobbin Zachariah 9:50 am

Learn sar Command in Linux

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

13 Examples To Explain Linux Netstat Commad

The netstat command in Linux provides a lot of information about network activities and configuration on a system. It can display information on various network interface statistics. It can be used to check the network traffic, network sockets, listening ports, [...]

Bobbin Zachariah 7:52 pm

Tload Command - Linux CPU Load Monitoring Graph

tload command graph linux

There are a number of graphical utilities like gnome-system-monitor present for checking the system performance. But sometimes you might need text based tools. This article discusses the command line utility tload that can be used to view the system load [...]

Bobbin Zachariah 7:53 am

Learn How Monitor Linux Performance Using iostat Command with Examples

The iostat command in Linux is used to monitor the system's  I/O device loading, by observing the time devices are active in relation to their average transfer rates. The iostat command generates reports that can be used to modify your system's [...]

Bobbin Zachariah 9:35 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