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The most frequently used performance check commands in Linux

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Introduction

Performance monitoring is an essential part of system administration, as it helps to identify and resolve bottlenecks and issues that can impact the performance of the system. In Linux, there are various commands that can be used to check the performance of the system. In this blog post, we will discuss the most frequently used performance check commands in Linux.

1. Check load

uptime
10:37:55 up 1 day, 13:13,  1 user,  load average: 0.00, 0.00, 0.00

Shows the average number of processes over the past 1 minute, 5 minutes, and 15 minutes.

2. Check users

w
 15:43:31 up 4 days, 16:26,  1 user,  load average: 0.00, 0.00, 0.00
USER     TTY      FROM              LOGIN@   IDLE   JCPU   PCPU WHAT
root     pts/0    192.168.1.2  14:50    0.00s  0.08s  0.00s w

3. Check processes

top
htop

4. Performance list

vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  0      0  64680  25716 339924    0    0     8    23   33   97  1  0 99  0  0

Conclusion

Performance monitoring is an essential part of system administration, and Linux provides a variety of commands that can be used to check system performance. In this blog post, we discussed the most frequently used performance check commands for CPU, memory, and network performance. By using these commands, system administrators can identify and resolve performance issues and ensure that their systems are running smoothly.

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