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Xiaobian to share with you what Linux system view commands, I believe most people do not know how, so share this article for your reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

system

# uname -a #View kernel/OS/CPU info

# head -n 1 /etc/issue #View OS version

# cat /proc/cpuinfo #View CPU info

# hostname #View computer name

# lspci -tv #List all PCI devices

# lsusb -tv #List all USB devices

# lsmod #List loaded kernel modules

# env #View environment variables

resources

# free -m #View memory usage and swap area usage

# df -h #View partition usage

# du -sh #View the size of the specified directory

# grep MemTotal /proc/meminfo #View Total Memory

# grep MemFree /proc/meminfo #View amount of free memory

# uptime #View system uptime, number of users, load

# cat /proc/loadavg #View system load

disks and partitions

# mount |column -t #View attached partition status

# fdisk -l #View all partitions

# swapon -s #View all swapon partitions

# hdparm -i /dev/hda #View disk parameters (IDE devices only)

# dmesg |grep IDE #View IDE device detection at startup

network

# ifconfig #View properties of all network interfaces

# iptables -L #View firewall settings

# route -n #view routing table

# netstat -lntp #View all listening ports

# netstat -antp #View all established connections

# netstat -s #View network statistics

process

# ps -ef #View all processes

# top #Display progress status in real time

user

# w #View active users

# id #View specified user information

# last #View user login logs

# cut -d: -f1 /etc/passwd #View all users of the system

# cut -d: -f1 /etc/group #View all groups in the system

# crontab -l #View current user's scheduled tasks

service

# chkconfig --list #List all system services

# chkconfig --list |grep on #List all system services started

program

# rpm -qa #View all installed packages

The above is "Linux system view command what" all the content of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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