{"id":6853,"date":"2022-09-02T14:04:26","date_gmt":"2022-09-02T08:34:26","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=6853"},"modified":"2022-09-02T14:06:13","modified_gmt":"2022-09-02T08:36:13","slug":"setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\/","title":{"rendered":"<strong>Setting Up Passwordless SSH and Alias For Remote Login &#8211; Ubuntu 18.04<\/strong>"},"content":{"rendered":"\n<p><br>We will be able to ssh from one remote-1 machine into another remote-2 machine without typing its IP and the password in the terminal.<br><br><strong>Prerequisite<\/strong><br><br>A user with sudo privileged access to the remote servers<br><br><strong>Implementation<\/strong><br><br>1. Log in to a remote-1&nbsp; server<br><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh user@ip<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><br>2. As a root user run the below command to add the remote-1 server key to the remote-2 server to log in without a password<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ssh-copy-id user@remote-2 IP<br>===<br>Provide the required password<br>===<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>3. Log in to a remote-2 server and edit the sudoers file<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>vi \/etc\/sudoers<br><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>5. Copy and paste the below line under the section #includedir \/etc\/sudoers.d  to avoid entering the password while doing sudo su<br><br>Then save and exit from the file<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>user ALL=(ALL) NOPASSWD: ALL<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><br>7. In the remote-1 server under as a root user, add the alias in the .bashrc file<br><br><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>cd \/root<br>vi .bashrc<br><br>====<br>Copy and paste the below line. Modify the IP and name accordingly without adding space<br>====<br><br>alias name=&#8217;ssh user@remote-2 IP&#8217;<br><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><br>8. Then execute the .bashrc script with the below command<br><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>source ~\/.bashrc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>9. Then try to access the remote-2 server with the alias name from the remote-1 server, we should able to log in without password and IP address<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We will be able to ssh from one remote-1 machine into another remote-2 machine without typing its IP and the password in the terminal. Prerequisite A user with sudo privileged access to the remote servers Implementation 1. Log in to a remote-1&nbsp; server ssh user@ip 2. As a root user&hellip; <a href=\"https:\/\/pheonixsolutions.com\/blog\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\/\" class=\"more-link read-more\" rel=\"bookmark\">Continue Reading <span class=\"screen-reader-text\"><strong>Setting Up Passwordless SSH and Alias For Remote Login &#8211; Ubuntu 18.04<\/strong><\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":495,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[282],"tags":[960],"class_list":{"0":"post-6853","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-ubuntu","7":"tag-passwordless-ssh","8":"h-entry","10":"h-as-article"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pheonix Solutions - We Empower Your Business Growth<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pheonixsolutions.com\/blog\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pheonix Solutions - We Empower Your Business Growth\" \/>\n<meta property=\"og:description\" content=\"We will be able to ssh from one remote-1 machine into another remote-2 machine without typing its IP and the password in the terminal. Prerequisite A user with sudo privileged access to the remote servers Implementation 1. Log in to a remote-1&nbsp; server ssh user@ip 2. As a root user&hellip; Continue Reading Setting Up Passwordless SSH and Alias For Remote Login &#8211; Ubuntu 18.04\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pheonixsolutions.com\/blog\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\/\" \/>\n<meta property=\"og:site_name\" content=\"PHEONIXSOLUTIONS\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-02T08:34:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-02T08:36:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/09\/PX2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"3837\" \/>\n\t<meta property=\"og:image:height\" content=\"2540\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"meenakshi k\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:site\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"meenakshi k\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/setting-up-passwordless-ssh-and-alias-for-remote-login-ubuntu-18-04\\\/\"},\"author\":{\"name\":\"meenakshi k\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/person\\\/d573de3a2c02cbeca49e90581a88b98f\"},\"headline\":\"Setting Up Passwordless SSH and Alias For Remote Login &#8211; 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