Linux解决 -bash: nc: command not found问题

我不是女神ヾ 2024-02-19 16:04 140阅读 0赞

问题：

  1. [hadoop@hadoop001 conf]$ nc -lk 9999
  2. -bash: nc: command not found

从提示信息中我们可以知道，是由于nc命令无法被找到
没有配置nc的命令
解决：
[root@hadoop001 ~]# yum install -y nc

  1. [root@hadoop001 ~]# yum install -y nc
  2. Loaded plugins: fastestmirror
  3. base                                                         | 3.6 kB  00:00:00     
  4. epel                                                         | 4.7 kB  00:00:00     
  5. extras                                                       | 3.4 kB  00:00:00     
  6. updates                                                      | 3.4 kB  00:00:00     
  7. (1/6): extras/7/x86_64/primary_db                            | 156 kB  00:00:00     
  8. (2/6): base/7/x86_64/group_gz                                | 166 kB  00:00:00     
  9. (3/6): epel/x86_64/updateinfo                                | 953 kB  00:00:00     
  10. (4/6): updates/7/x86_64/primary_db                           | 1.3 MB  00:00:00     
  11. (5/6): epel/x86_64/primary_db                                | 6.6 MB  00:00:01     
  12. (6/6): base/7/x86_64/primary_db                              | 6.0 MB  00:00:01     
  13. Determining fastest mirrors
  14. Resolving Dependencies
  15. --> Running transaction check
  16. ---> Package nmap-ncat.x86_64 2:6.40-16.el7 will be installed
  17. --> Finished Dependency Resolution
  19. Dependencies Resolved
  21. ====================================================================================
  22.  Package             Arch             Version                  Repository      Size
  23. ====================================================================================
  24. Installing:
  25.  nmap-ncat           x86_64           2:6.40-16.el7            base           206 k
  27. Transaction Summary
  28. ====================================================================================
  29. Install  1 Package
  31. Total download size: 206 k
  32. Installed size: 423 k
  33. Downloading packages:
  34. nmap-ncat-6.40-16.el7.x86_64.rpm                             | 206 kB  00:00:00     
  35. Running transaction check
  36. Running transaction test
  37. Transaction test succeeded
  38. Running transaction
  39.   Installing : 2:nmap-ncat-6.40-16.el7.x86_64                                   1/1 
  40.   Verifying  : 2:nmap-ncat-6.40-16.el7.x86_64                                   1/1 
  42. Installed:
  43.   nmap-ncat.x86_64 2:6.40-16.el7                                                    
  45. Complete!

解决

  1. [hadoop@hadoop001 conf]$  nc -lk 9999
  2. a,a,a,

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