Install ssh di Ubuntu 20.04
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Anggap saja kita baru pertama kali menginstall sistem operasi linux dan belum melakukan konfigurasi apa-apa setelah berhasil melakukan install. SSH (Secure Shell) sendiri adalah protocol yang digunakan untuk melakukan remote server yang menggunakan ip address dan aplikasi ssh sebagai akses masuknya. Untuk melakukan instalasi SSH dapat melakukan perintah berikut:
Install
$sudo apt-get update $sudo apt-get install openssh-server
$ sudo apt-get install openssh-server [sudo] password for robie: Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: openssh-client openssh-sftp-server Suggested packages: keychain libpam-ssh monkeysphere ssh-askpass molly-guard The following packages will be upgraded: openssh-client openssh-server openssh-sftp-server 3 upgraded, 0 newly installed, 0 to remove and 158 not upgraded. Need to get 1100 kB of archives. After this operation, 9216 B of additional disk space will be used. Do you want to continue? [Y/n] Y Get:1 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 openssh-sftp-server amd64 1:8.2p1-4ubuntu0.9 [51.7 kB] Get:2 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 openssh-server amd64 1:8.2p1-4ubuntu0.9 [377 kB] Get:3 http://id.archive.ubuntu.com/ubuntu focal-updates/main amd64 openssh-client amd64 1:8.2p1-4ubuntu0.9 [671 kB] Fetched 1100 kB in 1min 47s (10.3 kB/s) Preconfiguring packages ... (Reading database ... 73081 files and directories currently installed.) Preparing to unpack .../openssh-sftp-server_1%3a8.2p1-4ubuntu0.9_amd64.deb ... Unpacking openssh-sftp-server (1:8.2p1-4ubuntu0.9) over (1:8.2p1-4ubuntu0.7) ... Preparing to unpack .../openssh-server_1%3a8.2p1-4ubuntu0.9_amd64.deb ... Unpacking openssh-server (1:8.2p1-4ubuntu0.9) over (1:8.2p1-4ubuntu0.7) ... Preparing to unpack .../openssh-client_1%3a8.2p1-4ubuntu0.9_amd64.deb ... Unpacking openssh-client (1:8.2p1-4ubuntu0.9) over (1:8.2p1-4ubuntu0.7) ... Setting up openssh-client (1:8.2p1-4ubuntu0.9) ... Setting up openssh-sftp-server (1:8.2p1-4ubuntu0.9) ... Setting up openssh-server (1:8.2p1-4ubuntu0.9) ... rescue-ssh.target is a disabled or a static unit, not starting it. Processing triggers for systemd (245.4-4ubuntu3.17) ... Processing triggers for man-db (2.9.1-1) ... Processing triggers for ufw (0.36-6ubuntu1) ... robie@robie:~$
Restart
/etc/init.d/ssh restart
Untuk melakukan remote SSH kita perlu mengetahui IP Address yang akan di remote. Cara melihat IP Address di Linux Ubuntu 20.04 dengan mengetikan perintah
ifconfig lalu enter
hasilnya akan terlihat seperti berikut
~$ ifconfig enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.122.140 netmask 255.255.255.0 broadcast 192.168.122.255 inet6 fe80::a00:27ff:febf:ea8e prefixlen 64 scopeid 0x20<link> ether 08:00:27:bf:ea:8e txqueuelen 1000 (Ethernet) RX packets 16745 bytes 22061193 (22.0 MB) RX errors 0 dropped 908 overruns 0 frame 0 TX packets 11177 bytes 929689 (929.6 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 4137 bytes 195200 (195.2 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4137 bytes 195200 (195.2 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0