“Linux netstat”的版本间的差异
		
		
		
		
		
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| Jihongchang(讨论 | 贡献) | Jihongchang(讨论 | 贡献)  | ||
| (未显示同一用户的1个中间版本) | |||
| 第21行: | 第21行: | ||
| ===查看端口占用=== | ===查看端口占用=== | ||
| + | <syntaxhighlight lang="shell-session"> | ||
| + | [root@iZ8vbcjkeqbrdmmbt23vboZ ~]# netstat -nlp|grep -P ":80\b" | ||
| + | tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      13690/docker-proxy | ||
| + | </syntaxhighlight>netstat | ||
| + | |||
| + | * -n, --numeric            don't resolve names | ||
| + | * -l, --listening          display listening server sockets | ||
| + | * -p, --programs           display PID/Program name for sockets | ||
| + | * -a, --all                display all sockets (default: connected) | ||
| + | |||
| + | |||
| + | grep | ||
| − | + | * -P, --perl-regexp         PATTERN is a Perl regular expression | |
| − | + | ||
| − | + | 正则表达式中的 “\b”匹配一个单词边界,也就是指单词和空格间的位置。例如, 'er\b' 可以匹配"never" 中的 'er',但不能匹配 "verb" 中的 'er'。 | |
| − | |||
2023年2月11日 (六) 10:30的最新版本
安装
root@aade5ae73079:/var/www/html# apt -y install net-tools
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following NEW packages will be installed:
  net-tools
0 upgraded, 1 newly installed, 0 to remove and 50 not upgraded.
Need to get 250 kB of archives.
After this operation, 1015 kB of additional disk space will be used.
Get:1 http://deb.debian.org/debian bullseye/main amd64 net-tools amd64 1.60+git20181103.0eebece-1 [250 kB]
Fetched 250 kB in 3s (99.0 kB/s)                             
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package net-tools.
(Reading database ... 19912 files and directories currently installed.)
Preparing to unpack .../net-tools_1.60+git20181103.0eebece-1_amd64.deb ...
Unpacking net-tools (1.60+git20181103.0eebece-1) ...
Setting up net-tools (1.60+git20181103.0eebece-1) ...
查看端口占用
[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# netstat -nlp|grep -P ":80\b"
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      13690/docker-proxy
netstat
- -n, --numeric don't resolve names
- -l, --listening display listening server sockets
- -p, --programs display PID/Program name for sockets
- -a, --all display all sockets (default: connected)
grep
- -P, --perl-regexp PATTERN is a Perl regular expression
正则表达式中的 “\b”匹配一个单词边界,也就是指单词和空格间的位置。例如, 'er\b' 可以匹配"never" 中的 'er',但不能匹配 "verb" 中的 'er'。