在开发中经常会遇到端口占用问题,例如下面,npm start 报的错误: 1...查看端口占用情况命令 lsof -i tcp:8080 输出结果: 字段说明: 字段名 说明 COMMAND 进程名称 PID 进程标识符 USER 进程所有者 FD 文件描述符,应用程序通过文件描述符识别该文件...TYPE 文件类型,文件 REG、目录 DIR、字符 CHR、块设备 BLK...
In this article, you will see the procedure to Check Open Ports in Windows 11 or 10 Using CMD (or Command Prompt). When an app uses a TCP/IP port on your device in order to access a network, that port would be locked out – no other program may be able to use it. And while e...
The command attempts to fix errors on the disk. If the disk is in use, run the check on the next system restart. Interruptingchkdskwhile it's running is generally safe, but it’s recommended to complete the scan later to address potentialdata corruption. 7. choice Command Thechoicecommand ...
This trick is forbeginners as well as professionals since there is a lot I can learn using it. This trick allows you to get the information of almost every command from the command prompt. This information tells you about what that command does and what process is used, and it also shows...
Entering the commandnetstat -anwill provide you with a list of currently open ports and related IP addresses. This command will also tell you what state the port is in; listening, established, or closed. This is a great command for when you're trying to troubleshoot devices connected to yo...
To make the new settings persistent, execute the following command: sudo firewall-cmd --runtime-to-permanent Now, list the opened ports again: root@host:~# firewall-cmd --list-ports 80/tcp 443/tcp As you can see, port 3306 is not on the list anymore./p> ...
cmd clicheck cloud-controller-manager dependencycheck dependencyverifier fieldnamedocscheck gendocs genkubedocs genman genswaggertypedocs genutils genyaml gotemplate import-boss importverifier kube-apiserver kube-controller-manager kube-proxy kube-scheduler ...
7. Chgport –use this command to display or remap COM ports. 8. Cipher – check the encryption status of your files or folders (i.e., NTFS partitions only). 9. Cmdkey –displays and allows you to make modifications to all host-stored passwords and usernames. 10 Dispdiag –allows ...
8. Open specific port If you need to open specific ports, use the command--add-port. For example, to open port 80 for HTTP, do this: sudo firewall-cmd --zone=work --add-port=80/tcp --permanent Open specific port 9. Delete rules ...
(seetcp/ipprotocolusage) Netstat-slooksatallprotocolusagethatisinuse Nbtstat-AIP,theothersideof136to139,oneoftheports opened,youcancheckthenearestloginusername(03,before theusername)-note:parameter-Atouppercase Tracert-parameterIP(orcomputername)tracksrouting (packets).Parameters:-wnumbersareusedtosetthe...