Linux运维相关命令

叁歲伎倆 2024-03-30 15:00 80阅读 0赞

### 1、查看相关文件运行的信息 ###

ps -ef | grep 模糊文件名

**运行结果：**

![3bfb7e32f5f94b93ba56e90ae1b89e74.png][]

### 2、查看指定端口上运行的进程及进程名 ###

netstat -anp | grep 端口号

**运行结果：**

![9d985acb2b944f44a345a0007a0460a4.png][]

### 3、查看端口使用情况，避免占用 ###

netstat -ntlp

**运行结果：**

![5bb0699d6a2c4dbe9456889aaa39acfe.png][]

#### 以下命令更全面，可以查看UDP端口占用情况 ####

netstat -tuln

**运行结果：**

![ac75d6b06d304164ac57f73266242a42.png][]

### **4、永久开放指定端口** ###

**开放端口**

firewall-cmd --zone=public --add-port=端口号/tcp --permanent

#### 重启防火墙 ####

firewall-cmd --reload

### 5、查看指定端口是否开放，返回yes代表开放，no代表未开放 ###

firewall-cmd --query-port=端口号/tcp

**运行结果：**

![99e47ef19b9f43ebb37926452e109086.png][]

### 6、查看防火墙运行状态 ###

systemctl status firewalld

**运行结果：**

![3d7d1e0bcfcd4f2eb4b5f65a151a8fde.png][]

### 7、配置环境变量 ###

vim /etc/profile

![248c50b63b4d4f4eb29b646d1f0cf660.png][]

![522c9ce1daa748cc92b9ee7d2ab73069.png][]

**重新加载该文件使环境变量生效**

source /etc/profile

**输出查看环境变量内容**

![a72146b51b6848b8a7a4aeca703a18ba.png][]

**使用 kill -15 来关闭进程 而不是kill -9**

**kill -15 会等该进程中执行任务的进程执行完在停止**

**kill -9 是立即停止**

[3bfb7e32f5f94b93ba56e90ae1b89e74.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/3f7e016d1fda4b7888bfea9151bc205a.png
[9d985acb2b944f44a345a0007a0460a4.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/76af35e9e21b4c8fa40b5b3b192d3b9f.png
[5bb0699d6a2c4dbe9456889aaa39acfe.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/a247f9a74c9b47b7b69a72deeafc9559.png
[ac75d6b06d304164ac57f73266242a42.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/8847446bfb98485b89dcb750a11eed85.png
[99e47ef19b9f43ebb37926452e109086.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/a38cbec00a7c479a8481bdb4a2f36147.png
[3d7d1e0bcfcd4f2eb4b5f65a151a8fde.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/5a7c660f808943f8af9efbdfe7d2f921.png
[248c50b63b4d4f4eb29b646d1f0cf660.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/6b562abf63aa4dbf9fb27c62d9d7ddbf.png
[522c9ce1daa748cc92b9ee7d2ab73069.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/ff6c69ce29e74f0caf0ab940063dece4.png
[a72146b51b6848b8a7a4aeca703a18ba.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/00108d311f0d4b0c8bea695581ab0825.png