The most frequently used performance check commands in Linux
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.