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This article introduces what are the common commands of Linux system patrol inspection, the content is very detailed, interested friends can refer to, hope to be helpful to you.

The Linux system needs regular patrol inspection to check the use of server software and hardware, which is equivalent to a physical examination of people, to ensure that problems can be found and solved in time, and to reduce losses. The commonly used inspection commands are as follows:

# uname-a # View kernel / operating system / CPU information

# head-n 1 / etc/issue # View operating system version

# cat / proc/cpuinfo # View CPU information

# hostname # View computer name

# lspci-tv # list all PCI devices

# lsusb-tv # list all USB devices

# lsmod # list the loaded kernel modules

# env # View environment variables

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

# df-h # View the usage of each partition

# du-sh

# View the size of the specified directory

# grep MemTotal / proc/meminfo # check the total memory

# grep MemFree / proc/meminfo # check the amount of free memory

# uptime # View system running time, number of users, and load

# cat / proc/loadavg # View system load

# mount | column-t # to view the status of attached partitions

# fdisk-l # View all partitions

# swapon-s # View all swap partitions

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

# dmesg | grep IDE # check the detection status of IDE devices at startup

# ifconfig # View the properties of all network interfaces

# iptables-L # View firewall settings

# route-n # View the routing table

# netstat-lntp # View all listening ports

# netstat-antp # View all established connections

# netstat-s # View network statistics

# ps-ef # View all processes

# top # Real-time display of process status

# w # View active users

# id

# View specified user information

# last # View user login log

# cut-d:-F1 / etc/passwd # View all users of the system

# cut-d:-F1 / etc/group # View all groups of the system

# crontab-l # View all users' scheduled tasks

On the Linux system patrol inspection commands which are shared here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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