{"id":3154,"date":"2025-12-19T11:44:23","date_gmt":"2025-12-19T02:44:23","guid":{"rendered":"https:\/\/www.freelifemakers.org\/wordpress\/?p=3154"},"modified":"2026-02-21T15:00:07","modified_gmt":"2026-02-21T06:00:07","slug":"linuxxubuntu-install-openssh","status":"publish","type":"post","link":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/2025\/12\/19\/linuxxubuntu-install-openssh\/","title":{"rendered":"[Linux]Xubuntu\uc5d0 OpenSSH\uc124\uce58\ud558\uae30 \/ Installing OpenSSH on Xubuntu"},"content":{"rendered":"\n

\ud83d\udc49\ud83c\udffb1. OpenSSH \uc11c\ubc84 \uc124\uce58<\/strong> \/ Server Insall<\/h3>\n\n\n\n

\u2714\ufe0f\uae30\ubcf8\uc801\uc73c\ub85c Xubuntu\ub294 SSH \uc11c\ubc84\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.
\ud130\ubbf8\ub110\uc744 \uc5f4\uace0 \uc544\ub798 \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

By default, Xubuntu doesn’t have an SSH server installed.
Open a terminal and run the following command:<\/p>\n\n\n\n

sudo apt update\nsudo apt install openssh-server<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ud83c\udffb2. SSH \uc11c\ube44\uc2a4 \uc2dc\uc791 \ubc0f \uc790\ub3d9 \uc2dc\uc791 \uc124\uc815<\/strong>
Start the SSH service and set it to start automatically.<\/h3>\n\n\n\n
\u2714\ufe0f \uc124\uce58 \ud6c4 SSH \uc11c\ube44\uc2a4\uac00 \uc790\ub3d9\uc73c\ub85c \uc2e4\ud589\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uc544\ub798\ucc98\ub7fc \uc2e4\ud589\ud558\uace0 \ubd80\ud305 \uc2dc \uc790\ub3d9\uc73c\ub85c \uc2dc\uc791\ub418\uac8c \uc124\uc815\ud569\ub2c8\ub2e4.
If the SSH service does not start automatically after installation, run it as shown below and set it to start automatically at boot time.<\/p>\n\n\n\n
sudo systemctl enable --now ssh<\/code><\/pre>\n\n\n\n
\u2714\ufe0f \uc124\uce58 \ud6c4 \uc11c\ube44\uc2a4 \uc0c1\ud0dc \ud655\uc778\ud558\uae30
Check service status after installation<\/p>\n\n\n\n
\u2714\ufe0f active (running)<\/code> \uc0c1\ud0dc\uc774\uba74 SSH\uac00 \uc798 \uc2e4\ud589 \uc911\uc778 \uac83\uc785\ub2c8\ub2e4.
If it is active (running), SSH is running properly.<\/p>\n\n\n\n
sudo systemctl status ssh<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ud83c\udffb3. \ubc29\ud654\ubcbd \uc124\uc815 (UFW)<\/strong> \/ Firewall Settings (UFW)<\/h3>\n\n\n\n
\u2714\ufe0f UFW(Uncomplicated Firewall)\ub97c \uc0ac\uc6a9 \uc911\uc774\ub77c\uba74 SSH \uc5f0\uacb0\uc744 \ud5c8\uc6a9\ud574\uc918\uc57c \ud569\ub2c8\ub2e4:
If you are using UFW (Uncomplicated Firewall), you will need to allow SSH connections:<\/p>\n\n\n\n
sudo ufw allow ssh<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n
\ud83d\udc49\ud83c\udffb4. (\uc120\ud0dd) SSH \uc124\uc815 \ubcc0\uacbd<\/strong> \/ (Optional) Change SSH settings<\/h3>\n\n\n\n
\u2714\ufe0f \uae30\ubcf8 \uc124\uc815\uc740 \ubcf4\ud1b5 \ubb38\uc81c \uc5c6\uc774 \ub3d9\uc791\ud558\uc9c0\ub9cc, \ud544\uc694\ud558\ub2e4\uba74 \uc124\uc815 \ud30c\uc77c \/etc\/ssh\/sshd_config<\/code> \ub97c \ud3b8\uc9d1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
The default configuration usually works without any problems, but if necessary, you can edit the configuration file \/etc\/ssh\/sshd_config <\/p>\n\n\n\n
sudo nano \/etc\/ssh\/sshd_config<\/code><\/pre>\n\n\n\n
\u2714\ufe0f \uc608\ub97c \ub4e4\uc5b4 root \uacc4\uc815 \uc811\uc18d \ud5c8\uc6a9<\/strong>\uc744 \ubc14\uafb8\uac70\ub098 \ud3ec\ud2b8 \ubcc0\uacbd<\/strong> \ub4f1\uc744 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcc0\uacbd \ud6c4\uc5d0\ub294 \uc11c\ube44\uc2a4 \uc7ac\uc2dc\uc791 \ud569\ub2c8\ub2e4.
For example, you can change root account access permissions, change ports, etc. After making changes, restart the service.<\/p>\n\n\n\n
sudo systemctl restart ssh<\/code><\/pre>\n\n\n\n
\ud83d\udc49\ud83c\udffb5. \uc811\uc18d \ud14c\uc2a4\ud2b8<\/strong> \/ Connection test<\/h3>\n\n\n\n
\u2714\ufe0f \ud130\ubbf8\ub110\uc5d0\uc11c \ub2e4\ub978 \ucef4\ud4e8\ud130\uc5d0\uc11c \ub2e4\uc74c\ucc98\ub7fc \uc811\uc18d\ud574 \ubd05\ub2c8\ub2e4
Try connecting from another computer in the terminal as follows<\/p>\n\n\n\n
ssh \uc0ac\uc6a9\uc790\uba85\/username@Xubuntu_IP address<\/code><\/pre>\n\n\n\n
\"\"
Terminal Connection<\/figcaption><\/figure>\n\n\n\n
\u2714\ufe0f ssh \uac00 \uc124\uce58\ub418\uba74 sftp\ub97c \uc0ac\uc6a9 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
Once ssh is installed, you can use sftp.<\/p>\n\n\n\n
\"\"
Sftp Connection – 1<\/figcaption><\/figure>\n\n\n\n
\u2714\ufe0f FileZilla Sftp \uc811\uc18d \uc644\ub8cc
FileZilla Sftp connection completed<\/p>\n\n\n\n
\"\"
Sftp Connection – 2<\/figcaption><\/figure>\n\n\n\n
\u2b50\ufe0f \uc11c\ubc84\uc758 \uc544\uc774\ud53c \uc8fc\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud655\uc778 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
You can check the server’s IP address as follows<\/p>\n\n\n\n
ip a<\/code><\/pre>\n\n\n\n
\ub610\ub294 \/ or<\/p>\n\n\n\n
hostname -I<\/code><\/pre>\n\n\n\n
\u2b50\ufe0f \ud574\ub2f9 \uc544\uc774\ud53c \uc8fc\uc18c\uc5d0 \uc5f0\uacb0\ub418\ub294\uc9c0 \ud655\uc778 \ud558\ub824\uba74 \uc544\ub798\ucc98\ub7fc ping\uc744 \uc0ac\uc6a9\ud558\uc2dc\uba74\ub429\ub2c8\ub2e4.
To check if you can connect to that IP address, you can use ping as shown below.<\/p>\n\n\n\n
ping IPAddresss<\/code><\/pre>\n\n\n\n
<\/h3>\n","protected":false},"excerpt":{"rendered":"
\ud83d\udc49\ud83c\udffb1. OpenSSH \uc11c\ubc84 \uc124\uce58 \/ Server Insall \u2714\ufe0f\uae30\ubcf8\uc801\uc73c\ub85c Xubuntu\ub294 SSH \uc11c\ubc84\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.\ud130\ubbf8\ub110\uc744 \uc5f4\uace0 \uc544\ub798 \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4. By default, Xubuntu doesn’t have an SSH server installed.Open a terminal and run the following command: \ud83d\udc49\ud83c\udffb2. SSH \uc11c\ube44\uc2a4 \uc2dc\uc791 \ubc0f \uc790\ub3d9 \uc2dc\uc791 \uc124\uc815Start the SSH service and set it to start automatically. \u2714\ufe0f \uc124\uce58 \ud6c4 SSH […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,1],"tags":[],"class_list":["post-3154","post","type-post","status-publish","format-standard","hentry","category-linux","category-uncategorized","missing-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/3154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/comments?post=3154"}],"version-history":[{"count":40,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/3154\/revisions"}],"predecessor-version":[{"id":4712,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/posts\/3154\/revisions\/4712"}],"wp:attachment":[{"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/media?parent=3154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/categories?post=3154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.freelifemakers.org\/wordpress\/index.php\/wp-json\/wp\/v2\/tags?post=3154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}