Meng New Linux Learning Path (vi)

I. Process definition

To go to the city is the unfinished work of the CPU

Second, PA command

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PS A # #关于当前环境的所有进程

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PS X # #与当前环境无关的所有进程

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PS F # #显示进程从属关系

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PS L # #长列表显示进程的详细信息

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PS E # #显示进程调用环境工具的详细信息

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PS U # #显示进程用户信息

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PS Ax-o%cpu,%mem,user,group,comm,nice,pid

%CPU # #显示进程cpu负载

%mem # #显示进程内存负载

User # #进程用户

Group # #进程组

Nice # #进程优先级

Comm # #进程名称

PID # #进程的id

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PS ax-o%cpu,comm,--sort <+|-%cpu> <+|-%mem> # #按照进程信息排序

+ # #正序

-# #倒序

Third, process priority

1. Priority scope of the process

-20--19

2. Priority view

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3. Specify a priority to open the process

NICE-N Priority Digital Process information

Nice-n-5 Vim & # #开启vim并制定程序优先级-5

4. Change the process priority

Renice-n Priority numeric Process ID

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Iv. pre-and post-platform calls to processes in the environment

Jobs # #查看被打入后台的进程

CTRL +z # #把占用终端的进程打入后台

FG # #把后台进程调回前台

BG # #把后台暂停的进程运行

Comm & # #让命令直接在后台运行

V. Process signals

1. Common signal levels

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1 # #进程重新加载配置

2 # #删除进程在内存中的数据

3 # #删除鼠标在内存中的数据

9 # #强行借书单个进程 (cannot be blocked)

# #正常关闭进程 (may be blocked)

# #运行暂停的进程

# #暂停某个进程 (cannot be blocked)

# #把进程打入后台 (can be blocked)

Man 7 signal View signal details

Kill-Signal Process PID

Killall-Signal Process name # #批量执行

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Pkill-u Student-Signal

Six, user login audit

1.

W # #查看使用系统的当前用户有哪些

W-f ##-f see where to use

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2.

Last # #查看用户登陆成功历史

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3.LASTB # #查看用户登陆未成功历史

Seven, top command

Top # #监控系统负载工具

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Eight, virtual machine remote file transfer

Open Nm-connection-editor Delete System Etho, add a new configuration

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Select Etho

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Configure a new IP address

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Configure IP Save

Enter ping + IP to see if the network is connected

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The file has 172.25.254.200 Transfer to 172.25.254.200

Meng New Linux Learning Path (vi)