Installing and configure DHCP server

Installing and configure DHCP server and


write a program (C++\Python\Java)


to install the software on remote machine.

#!/usr/bin/python

import os

import commands

while True:

x=int(raw_input("1.Install and configure DHCP\n2.Install an software on remote machine\n"))

if x==1:

current_ip=commands.getoutput("hostname -I")

print "Current IP address is : " , current_ip

os.system("yum remove dhcp")

os.system("yum install dhcp")

os.system("vi /etc/dhcp/dhcpd.conf")

os.system("systemctl start dhcpd.service")

os.system("systemctl enable dhcpd.service")

os.system("chkconfig dhcpd on")

os.system("service dhcpd restart")

current_ip=commands.getoutput("hostname -I")

print "Current IP address is : " , current_ip

if x==2:

os.system("ssh TE@192.168.5.77") 

OUTPUT:

[root@localhost]# python a4.py 1.Install and configure DHCP 2.Install an software on remote machine 1 Current IP address is : 192.168.5.76 Loaded plugins: langpacks, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package dhcp.x86_64 12:4.2.7-2.fc20 will be erased --> Finished Dependency Resolution Dependencies Resolved =================================== Package Arch Version Repository Size =================================== Removing: dhcp x86_64 12:4.2.7-2.fc20 @updates 1.4 M Transaction Summary =================================== Remove 1 Package Installed size: 1.4 M Is this ok [y/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Erasing : 12:dhcp-4.2.7-2.fc20.x86_64 1/1 warning: /etc/dhcp/dhcpd.conf saved as /etc/dhcp/dhcpd.conf.rpmsave Verifying : 12:dhcp-4.2.7-2.fc20.x86_64 1/1 Removed: dhcp.x86_64 12:4.2.7-2.fc20 Complete! Loaded plugins: langpacks, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package dhcp.x86_64 12:4.2.7-2.fc20 will be installed --> Finished Dependency Resolution Dependencies Resolved =================================== Package Arch Version Repository Size =================================== Installing: dhcp x86_64 12:4.2.7-2.fc20 updates 516 k Transaction Summary =================================== Install 1 Package Total download size: 516 k Installed size: 1.4 M Is this ok [y/d/N]: y Downloading packages: dhcp-4.2.7-2.fc20.x86_64.rpm | 516 kB 00:00:01 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : 12:dhcp-4.2.7-2.fc20.x86_64 1/1 Verifying : 12:dhcp-4.2.7-2.fc20.x86_64 1/1 Installed: dhcp.x86_64 12:4.2.7-2.fc20 Complete! ln -s '/usr/lib/systemd/system/dhcpd.service' '/etc/systemd/system/multi-user.target.wants/dhcpd.service' Note: Forwarding request to 'systemctl enable dhcpd.service'. Redirecting to /bin/systemctl restart dhcpd.service Current IP address is : 192.168.5.76 1.Install and configure DHCP 2.Install an software on remote machine 2 TE3@192.168.5.77's password: Last login: Tue Feb 7 14:14:14 2017 from 192.168.5.76 [TE3@localhost ~]$ su Password: [root@localhost]# yum remove wireshark Loaded plugins: langpacks, refresh-packagekit No Match for argument: wireshark No Packages marked for removal [root@localhost]# yum install wireshark Loaded plugins: langpacks, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package wireshark.x86_64 0:1.10.14-1.fc20 will be installed --> Finished Dependency Resolution Dependencies Resolved =================================== Package Arch Version Repository Size =================================== Installing: wireshark x86_64 1.10.14-1.fc20 updates 13 M Transaction Summary =================================== Install 1 Package Total download size: 13 M Installed size: 69 M Is this ok [y/d/N]: y Downloading packages: wireshark-1.10.14-1.fc20.x86_64.rpm | 13 MB 00:00:24 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : wireshark-1.10.14-1.fc20.x86_64 1/1 Verifying : wireshark-1.10.14-1.fc20.x86_64 1/1 Installed: wireshark.x86_64 0:1.10.14-1.fc20 Complete! [root@localhost]# whereis wireshark wireshark: /usr/lib64/wireshark /usr/share/wireshark [root@localhost]# yum remove wireshark Loaded plugins: langpacks, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package wireshark.x86_64 0:1.10.14-1.fc20 will be erased --> Finished Dependency Resolution Dependencies Resolved =================================== Package Arch Version Repository Size =================================== Removing: wireshark x86_64 1.10.14-1.fc20 @updates 69 M Transaction Summary =================================== Remove 1 Package Installed size: 69 M Is this ok [y/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Erasing : wireshark-1.10.14-1.fc20.x86_64 1/1 Verifying : wireshark-1.10.14-1.fc20.x86_64 1/1 Removed: wireshark.x86_64 0:1.10.14-1.fc20 Complete! [root@localhost]# whereis wireshark wireshark:[root@localhost]# exit exit [TE3@localhost ~]$ exit logout Connection to 192.168.5.77 closed. 1.Install and configure DHCP 2.Install an software on remote machine ^Z [1]+ Stopped python a4.py [root@localhost]# exit exit