{"id":4618,"date":"2018-08-28T13:41:53","date_gmt":"2018-08-28T13:41:53","guid":{"rendered":"https:\/\/www.inmotionhosting.com\/support\/2018\/08\/28\/verify-checksums-ssh\/"},"modified":"2021-11-19T01:38:02","modified_gmt":"2021-11-19T06:38:02","slug":"verify-checksums-ssh","status":"publish","type":"post","link":"https:\/\/www.inmotionhosting.com\/support\/security\/verify-checksums-ssh\/","title":{"rendered":"Verify File Checksums with SSH"},"content":{"rendered":"

After downloading a file, it\u2019s always helpful to validate it to ensure its not corrupt or malicous. You can accomplish this by comparing checksums<\/strong> \u2013 md5sum, sha1, sha256, sha512, etc.<\/em> \u2013 against the original file if its published on the official website. You can use your computer, SSH, and websites such as VirusTotal.com<\/a> to achieve this. Below we\u2019ll demonstrate how to do this using SSH with a manual download of WordPress 4.9.8<\/strong>.<\/p>\n

Note<\/strong>: The higher the number in the algorithm \u2013 sha224, sha384, etc.<\/em> \u2013 the stronger the authentication process. Also, this along with the larger the file being validated determines the time before validation completes.<\/p>\n

Warning<\/strong>: Verifying the checksum against the website only checks that it wasn\u2019t corrupted during the download. It doesn\u2019t guarantee the file isn\u2019t malicious. If the website is hacked, the checksum could also be modified to that of the malicious file. If you believe you may have malicious content on your server, please request a free server scan<\/a> and review our hack recovery guide<\/a>.<\/p>\n

Verify Checksum with SSH<\/h2>\n
    \n
  1. Upload the file(s)<\/a> into the correct directory<\/a>.<\/li>\n
  2. SSH into the cPanel account using the correct steps for your hosting plan \u2013 Shared<\/a> or VPS\/Dedicated<\/a>.<\/li>\n
  3. Type the preferred checksum command and the path to the file \u2013
    \ne.g. md5sum file.jpg<\/code> or sha1sum public_html\/file.png<\/code>.
    \nFor example, here\u2019s the md5sum<\/em> and sha1sum<\/em> output for the downloaded     WordPress 4.9.8<\/a>:
    \n    \"Screenshot<\/a>\n
    <\/div>\n<\/li>\n
  4. Check that the checksum(s) match the original file. Both checksums above match the md5<\/a> and sha1<\/a> checksum respectively from WordPress.org<\/a>.<\/li>\n<\/ol>\n

    If your SSH checksum matches what\u2019s on the official site, congratulations. If not, you may want to try another validation program (e.g. GtkHash<\/a>) or method of downloading the original file such as from a reputable location.<\/p>\n","protected":false},"excerpt":{"rendered":"

    After downloading a file, it\u2019s always helpful to validate it to ensure its not corrupt or malicous. You can accomplish this by comparing checksums \u2013 md5sum, sha1, sha256, sha512, etc. \u2013 against the original file if its published on the official website. You can use your computer, SSH, and websites such as VirusTotal.com to achieve Read More ><\/a><\/p>\n","protected":false},"author":57014,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4299,4307],"tags":[],"class_list":["post-4618","post","type-post","status-publish","format-standard","hentry","category-security","category-ssh"],"acf":[],"yoast_head":"\nVerify File Checksums with SSH | InMotion Hosting<\/title>\n<meta name=\"description\" content=\"Learn how to Verify File Checksums with SSH\" \/>\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.inmotionhosting.com\/support\/security\/verify-checksums-ssh\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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