{"id":12419,"date":"2024-03-14T15:49:25","date_gmt":"2024-03-14T15:49:25","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-solve-the-error-when-installing-ssh-on-ubuntu\/"},"modified":"2025-08-05T01:19:06","modified_gmt":"2025-08-05T01:19:06","slug":"how-to-solve-the-error-when-installing-ssh-on-ubuntu","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-solve-the-error-when-installing-ssh-on-ubuntu\/","title":{"rendered":"Fix SSH Ubuntu Installation Errors"},"content":{"rendered":"

When installing ssh, you may encounter various errors. Here are some common errors and their solutions:<\/p>\n

    \n
  1. “Error: ‘ssh: command not found’ indicates that the system does not have the ssh client tool installed. You can install ssh using the following command: sudo apt-get install openssh-client”<\/li>\n
  2. Error: “Unable to locate package openssh-server” means that the system cannot find the openssh-server package. You can update the package index and reinstall the ssh server by using the following commands:
    \nsudo apt-get update
    \nsudo apt-get install openssh-server<\/li>\n
  3. “Error: Port 22 connection refused” indicates that the SSH server port 22 is either not open or being blocked by a firewall. You can check the status of the SSH server with the following command:
    \nsudo systemctl status ssh
    \nIf the status shows as “active (running)”, then the SSH server is already started. If it shows as “inactive” or “dead”, you can try restarting the SSH server:
    \nsudo systemctl restart ssh
    \nIf the issue persists, it may be necessary to check the system firewall settings and ensure that port 22 is not being blocked.<\/li>\n
  4. “Permission denied (publickey) error: This means that the public key used for login has been rejected by the server. You can try the following methods to resolve this:”<\/li>\n
  5. Make sure the permissions for the ~\/.ssh\/ directory and authorized_keys file are correctly set to 700 and 600.<\/li>\n
  6. Check if the public key is correctly added to the authorized_keys file.<\/li>\n
  7. Check if the configurations of “PubkeyAuthentication” and “AuthorizedKeysFile” in the sshd_config file are correct.<\/li>\n
  8. If using a password to log in, make sure that the “PasswordAuthentication” configuration is set to “yes”.<\/li>\n<\/ol>\n

    If the above methods do not resolve the issue, please provide specific error information and steps taken in order to better assist you in solving the problem.<\/p>\n","protected":false},"excerpt":{"rendered":"

    When installing ssh, you may encounter various errors. Here are some common errors and their solutions: “Error: ‘ssh: command not found’ indicates that the system does not have the ssh client tool installed. You can install ssh using the following command: sudo apt-get install openssh-client” Error: “Unable to locate package openssh-server” means that the system […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[16274,16278,16277,16276,16275],"class_list":["post-12419","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-install-ssh-ubuntu","tag-linux-ssh-setup","tag-openssh-fix","tag-ssh-server-troubleshooting","tag-ubuntu-ssh-errors"],"yoast_head":"\nFix SSH Ubuntu Installation Errors - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Troubleshoot and solve common SSH installation errors on Ubuntu with our quick fixes for command not found and package issues.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-solve-the-error-when-installing-ssh-on-ubuntu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fix SSH Ubuntu Installation Errors\" \/>\n<meta property=\"og:description\" content=\"Troubleshoot and solve common SSH installation errors on Ubuntu with our quick fixes for command not found and package issues.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-solve-the-error-when-installing-ssh-on-ubuntu\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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