Linux解决 -bash: nc: command not found问题

我不是女神ヾ 2024-02-19 16:04 45阅读 0赞

### 问题： ###

[hadoop@hadoop001 conf]$ nc -lk 9999
    -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

[root@hadoop001 ~]# yum install -y nc
    Loaded plugins: fastestmirror
    base                                                         | 3.6 kB  00:00:00     
    epel                                                         | 4.7 kB  00:00:00     
    extras                                                       | 3.4 kB  00:00:00     
    updates                                                      | 3.4 kB  00:00:00     
    (1/6): extras/7/x86_64/primary_db                            | 156 kB  00:00:00     
    (2/6): base/7/x86_64/group_gz                                | 166 kB  00:00:00     
    (3/6): epel/x86_64/updateinfo                                | 953 kB  00:00:00     
    (4/6): updates/7/x86_64/primary_db                           | 1.3 MB  00:00:00     
    (5/6): epel/x86_64/primary_db                                | 6.6 MB  00:00:01     
    (6/6): base/7/x86_64/primary_db                              | 6.0 MB  00:00:01     
    Determining fastest mirrors
    Resolving Dependencies
    --> Running transaction check
    ---> Package nmap-ncat.x86_64 2:6.40-16.el7 will be installed
    --> Finished Dependency Resolution
    
    Dependencies Resolved
    
    ====================================================================================
     Package             Arch             Version                  Repository      Size
    ====================================================================================
    Installing:
     nmap-ncat           x86_64           2:6.40-16.el7            base           206 k
    
    Transaction Summary
    ====================================================================================
    Install  1 Package
    
    Total download size: 206 k
    Installed size: 423 k
    Downloading packages:
    nmap-ncat-6.40-16.el7.x86_64.rpm                             | 206 kB  00:00:00     
    Running transaction check
    Running transaction test
    Transaction test succeeded
    Running transaction
      Installing : 2:nmap-ncat-6.40-16.el7.x86_64                                   1/1 
      Verifying  : 2:nmap-ncat-6.40-16.el7.x86_64                                   1/1 
    
    Installed:
      nmap-ncat.x86_64 2:6.40-16.el7                                                    
    
    Complete!

解决

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