“Linux netstat”的版本间的差异
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Jihongchang（讨论 | 贡献） （建立内容为“<syntaxhighlight lang="shell-session"> root@aade5ae73079:/var/www/html# apt install -y net-tools Reading package lists... Done Building dependency tree... Done Re…”的新页面） |
Jihongchang（讨论 | 贡献） |
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| （未显示同一用户的4个中间版本） | |||
| 第1行： | 第1行： | ||
| + | ===安装=== | ||
<syntaxhighlight lang="shell-session"> | <syntaxhighlight lang="shell-session"> | ||
| − | root@aade5ae73079:/var/www/html# apt | + | root@aade5ae73079:/var/www/html# apt -y install net-tools |
Reading package lists... Done | Reading package lists... Done | ||
Building dependency tree... Done | Building dependency tree... Done | ||
| 第18行： | 第19行： | ||
Setting up net-tools (1.60+git20181103.0eebece-1) ... | Setting up net-tools (1.60+git20181103.0eebece-1) ... | ||
</syntaxhighlight> | </syntaxhighlight> | ||
| + | |||
| + | ===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'。