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 [...]
MONITORING
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 [...]
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 [...]
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 [...]
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 [...]
9:50 am
Sar Command in Linux with Examples
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 [...]
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 [...]
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, [...]
7:52 pm
Tload Command - Linux CPU Load Monitoring Graph
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 [...]
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 [...]
9:35 pm
CPU Bottleneck - How To Use Vmstat, Mpstat and SAR Commands
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 [...]
11:27 am
6 Commands to Monitor CPU Usage in 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. [...]
9:33 am