Prerequisites
      The NISH manager is delivered as a set of RPM packages and is supported on the CentOS 7
        Linux distribution.
      The installation process installs the following:
      
        - 
          
 the NISH manager in /usr/bin/nish-manager
         
        - 
          
nish-manager as a systemd service
         
        - 
          
the End User License Agreement (EULA) in
              /usr/share/licenses/nish-manager/EULA
         
        - 
          
the Linux man pages for nish-manager
         
        - 
          
a log rotation schedule in /etc/logrotate.d/nish-manager
         
        - 
          
a CentOS firewalld definition in
              /usr/lib/firewalld/services/nish-manager.xml
         
        - 
          
 an example configuration file in
              /etc/nish-manager/nish-manager.conf
         
      
      To install the NISH manager, perform the following steps:
     
Procedure
- 
        Put the RPMs in a local directory on the target machine.
      
 
- 
        Use the YUM package manager built into CentOS 7, as shown in following example:
        
          [root@server ~]# yum localinstall -y nish-manager-20.20-R1.el7.x86_64.rpm nish-deps-
20.20-R1.el7.x86_64.rpm 
Last metadata expiration check: 1:54:38 ago on Tue 16 Sep 2020 16:19:23 CEST. 
Dependencies resolved. 
=================================================================================== 
Package Architecture Version Repository Size 
===================================================================================
Installing:
 nish-manager x86_64 20.10-R1.el7 @commandline 86 k
 nish-deps x86_64 20.10-R1.el7 @commandline 3.9 M
Transaction Summary 
=================================================================================== 
Install 2 Packages 
Total size: 4.0 M 
Installed size: 14 M 
Downloading Packages: 
Running transaction check 
Transaction check succeeded. 
Running transaction test 
Transaction test succeeded. 
Running transaction
  Preparing : 
1/1 Installing : nish-deps-20.10-R1.el7.x86_64 
1/2 Running scriptlet: nish-deps-20.10-R1.el7.x86_64 
1/2 Running scriptlet: nish-manager-20.10-R1.el7.x86_64 
2/2 Installing : nish-manager-20.10-R1.el7.x86_64 
2/2 Running scriptlet: nish-manager-20.10-R1.el7.x86_64 
2/2 Verifying : nish-manager-20.10-R1.el7.x86_64 
1/2 Verifying : nish-deps-20.10-R1.el7.x86_64 
2/2 Installed : nish-manager-20.10-R1.el7.x86_64 nish-deps-20.10-R1.el7.x86_64
Complete!