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ㅇ 본 포스팅은 파이썬 네트워크 자동화 책을 보며 따라하는 실습 포스팅.
포스팅 내용
ㅇ vmware workstation 설치 후 ubuntu, centos 설치, gns3 vm.ova 불러오기
ㅇ 각 vm들 통신 확인
- 실습의 호환성을 위해 vmware workstation을 12.5.9 버전으로 설치
- Host-only 모드 : VMnet1과 연결되며, vm은 가상 DHCP에서 IP를 할당받아 사용하게 된다.
- Bridge 모드 : vm이 호스트와 같은 네트워크에서 동작하게 된다. 실제 DHCP 서버로부터 IP를 할당받아 사용하게 된다.
- NAT 모드 : vm이 호스트에서 NAT되어 가상 DHCP 서버로부터 IP를 할당받게 된다.
- ubuntu 설치. lab의 호환성을 위해 18.04.5 설치
- 설치완료 후 외부 ping test
Welcome to Ubuntu 18.04.5 LTS (GNU/Linux 4.15.0-147-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
System information as of Tue Jul 13 06:36:14 UTC 2021
System load: 0.14 Processes: 183
Usage of /: 12.9% of 29.40GB Users logged in: 1
Memory usage: 22% IP address for ens33: 192.168.122.129
Swap usage: 0%
69 packages can be updated.
1 update is a security update.
New release '20.04.2 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
Last login: Tue Jul 13 06:34:27 2021
To run a command as administrator (user "root"), use "sudo <command>".
See "man sudo_root" for details.
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$
tark@ubuntu18s4:~$ ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.122.129 netmask 255.255.255.0 broadcast 192.168.122.255
inet6 fe80::20c:29ff:fe60:3f11 prefixlen 64 scopeid 0x20<link>
ether 00:0c:29:60:3f:11 txqueuelen 1000 (Ethernet)
RX packets 148 bytes 36403 (36.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 139 bytes 20590 (20.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 100 bytes 7920 (7.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 100 bytes 7920 (7.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
tark@ubuntu18s4:~$ ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=128 time=35.5 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=128 time=37.8 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=128 time=40.6 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=128 time=37.5 ms
^C
--- 8.8.8.8 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3005ms
rtt min/avg/max/mdev = 35.500/37.899/40.643/1.833 ms
tark@ubuntu18s4:~$- root 접속을 위한 root pw 설정
tark@ubuntu18s4:~$ sudo passwd
[sudo] password for tark:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully- root 계정 ssh 접속을 위한 설정
tark@ubuntu18s4:~$ sudo sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config
[sudo] password for tark:
tark@ubuntu18s4:~$ sudo service ssh restart- gui 설치를 위한 tasksel 설치
tark@ubuntu18s4:~$ sudo apt-get install tasksel
[sudo] password for tark:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
laptop-detect tasksel-data
The following NEW packages will be installed:
laptop-detect tasksel tasksel-data
0 upgraded, 3 newly installed, 0 to remove and 65 not upgraded.
Need to get 40.2 kB of archives.
After this operation, 312 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://kr.archive.ubuntu.com/ubuntu bionic/main amd64 tasksel-data all 3.34ubuntu11 [5,476 B]
Get:2 http://kr.archive.ubuntu.com/ubuntu bionic/main amd64 tasksel all 3.34ubuntu11 [28.7 kB]
Get:3 http://kr.archive.ubuntu.com/ubuntu bionic/main amd64 laptop-detect all 0.16 [6,016 B]
Fetched 40.2 kB in 1s (30.2 kB/s)
Preconfiguring packages ...
Selecting previously unselected package tasksel-data.
(Reading database ... 67143 files and directories currently installed.)
Preparing to unpack .../tasksel-data_3.34ubuntu11_all.deb ...
Unpacking tasksel-data (3.34ubuntu11) ...
Selecting previously unselected package tasksel.
Preparing to unpack .../tasksel_3.34ubuntu11_all.deb ...
Unpacking tasksel (3.34ubuntu11) ...
Selecting previously unselected package laptop-detect.
Preparing to unpack .../laptop-detect_0.16_all.deb ...
Unpacking laptop-detect (0.16) ...
Setting up laptop-detect (0.16) ...
Setting up tasksel (3.34ubuntu11) ...
Setting up tasksel-data (3.34ubuntu11) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...- sudo tasksel로 tasksel 실행 후 ubuntu desktop 설치
-GUI 사용 가능(snapshot 설정)
- CentOS 7 설치
- CentOS 설치 완료 및 통신 확인
- GNS3 VM.ova 불러오기 후 확인
#2 이어서
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