{"id":339,"date":"2025-09-17T10:42:18","date_gmt":"2025-09-17T10:42:18","guid":{"rendered":"https:\/\/blog.chaiyakul.com\/?p=339"},"modified":"2025-09-17T10:42:50","modified_gmt":"2025-09-17T10:42:50","slug":"ex-ssh-to-php-with-user","status":"publish","type":"post","link":"https:\/\/blog.chaiyakul.com\/index.php\/2025\/09\/17\/ex-ssh-to-php-with-user\/","title":{"rendered":"\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e41\u0e1b\u0e25\u0e07\u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07 SSH \u0e40\u0e1b\u0e47\u0e19 PHP \u0e14\u0e49\u0e27\u0e22\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e4c user \u0e1b\u0e01\u0e15\u0e34"},"content":{"rendered":"\n

\u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07 SSH<\/p>\n\n\n

\n[root@localhost ~]# su - mill \nLast login: Thu Aug 14 17:17:25 +07 2025 on pts\/0 [mill@localhost ~]$ export DISPLAY=:0 \n[mill@localhost ~]$ xhost +SI:localuser:root sudo DISPLAY=:0 \/home\/mill\/restart_webviewer.sh\n<\/pre><\/div>\n\n\n
\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07\u0e17\u0e35\u0e48\u0e04\u0e38\u0e13\u0e23\u0e31\u0e19\u0e14\u0e49\u0e27\u0e22 shell \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e31\u0e19\u0e08\u0e32\u0e01 PHP<\/strong> \u0e44\u0e14\u0e49 \u0e42\u0e14\u0e22\u0e27\u0e34\u0e18\u0e35\u0e17\u0e35\u0e48\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e41\u0e25\u0e30\u0e17\u0e33\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e01\u0e31\u0e19<\/p>\n\n\n\n
\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 PHP<\/p>\n\n\n
\n<?php\n\/\/ \u0e23\u0e31\u0e19\u0e42\u0e14\u0e22 user mill (\u0e44\u0e21\u0e48\u0e43\u0e0a\u0e49 root) \u0e1a\u0e19 GUI session \u0e02\u0e2d\u0e07 mill\n\n\/\/ 1. \u0e15\u0e31\u0e49\u0e07 DISPLAY\nputenv('DISPLAY=:0');\n\n\/\/ 2. \u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15 root \u0e40\u0e02\u0e49\u0e32\u0e16\u0e36\u0e07 X server (\u0e16\u0e49\u0e32\u0e08\u0e33\u0e40\u0e1b\u0e47\u0e19)\nexec('xhost +SI:localuser:root 2>&1', $xhost_output, $xhost_status);\n\n\/\/ 3. \u0e23\u0e31\u0e19\u0e2a\u0e04\u0e23\u0e34\u0e1b\u0e15\u0e4c restart_webviewer.sh \u0e14\u0e49\u0e27\u0e22 sudo (\u0e15\u0e49\u0e2d\u0e07\u0e15\u0e31\u0e49\u0e07 NOPASSWD \u0e43\u0e19 sudoers)\nexec('sudo DISPLAY=:0 \/home\/mill\/restart_webviewer.sh 2>&1', $output, $status);\n\n\/\/ 4. \u0e41\u0e2a\u0e14\u0e07\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c\necho "<h3>Output of xhost:<\/h3>";\necho "<pre>" . implode("\\n", $xhost_output) . "<\/pre>";\n\necho "<h3>Output of restart_webviewer.sh:<\/h3>";\necho "<pre>" . implode("\\n", $output) . "<\/pre>";\n?>\n<\/pre><\/div>\n\n\n
\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/p>\n\n\n\n
1.\u0e43\u0e2b\u0e49 PHP \u0e43\u0e0a\u0e49 user mill<\/strong><\/p>\n\n\n\n
    \n
  • \u0e16\u0e49\u0e32\u0e40\u0e27\u0e47\u0e1a\u0e23\u0e31\u0e19\u0e14\u0e49\u0e27\u0e22 Apache\/NGINX \u0e43\u0e2b\u0e49\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19 user \u0e02\u0e2d\u0e07\u0e40\u0e27\u0e47\u0e1a\u0e40\u0e1b\u0e47\u0e19 mill<\/code><\/li>\n\n\n\n
  • \u0e2b\u0e23\u0e37\u0e2d\u0e43\u0e0a\u0e49 sudo NOPASSWD<\/code> \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2a\u0e04\u0e23\u0e34\u0e1b\u0e15\u0e4c:<\/li>\n<\/ul>\n\n\n
    \nsudo visudo\n<\/pre><\/div>\n\n\n
    \u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1a\u0e23\u0e23\u0e17\u0e31\u0e14:<\/p>\n\n\n
    \nmill ALL=(ALL) NOPASSWD: \/home\/mill\/restart_webviewer.sh\n<\/pre><\/div>\n\n\n
    2.X server \u0e15\u0e49\u0e2d\u0e07\u0e23\u0e31\u0e19\u0e2d\u0e22\u0e39\u0e48<\/p>\n\n\n\n
      \n
    • \u0e15\u0e49\u0e2d\u0e07\u0e21\u0e35 session GUI \u0e02\u0e2d\u0e07 user mill<\/code> \u0e40\u0e1b\u0e34\u0e14\u0e2d\u0e22\u0e39\u0e48 (DISPLAY=:0<\/code>)<\/li>\n\n\n\n
    • \u0e2b\u0e23\u0e37\u0e2d\u0e43\u0e0a\u0e49 Xvfb \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a headless<\/li>\n<\/ul>\n\n\n\n
      \u0e2b\u0e21\u0e32\u0e22\u0e40\u0e2b\u0e15\u0e38<\/p>\n\n\n\n
        \n
      • xhost +SI:localuser:root<\/code> \u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15 root \u0e43\u0e0a\u0e49 X server<\/li>\n\n\n\n
      • \u0e01\u0e32\u0e23\u0e23\u0e31\u0e19 Wine \u0e08\u0e32\u0e01 PHP \u0e08\u0e30\u0e15\u0e49\u0e2d\u0e07\u0e2d\u0e22\u0e39\u0e48\u0e1a\u0e19 session GUI \u0e02\u0e2d\u0e07 user mill<\/li>\n\n\n\n
      • \u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\u0e17\u0e35\u0e48\u0e2a\u0e38\u0e14\u0e04\u0e37\u0e2d \u0e44\u0e21\u0e48\u0e43\u0e0a\u0e49 root \u0e23\u0e31\u0e19 Wine \u0e41\u0e15\u0e48\u0e43\u0e2b\u0e49 PHP \u0e23\u0e31\u0e19\u0e14\u0e49\u0e27\u0e22 user mill \u0e42\u0e14\u0e22\u0e15\u0e23\u0e07<\/strong><\/li>\n<\/ul>\n\n\n\n
        \u0e16\u0e49\u0e32\u0e15\u0e49\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e17\u0e33\u0e40\u0e1b\u0e47\u0e19\u0e1b\u0e38\u0e48\u0e21<\/strong><\/u><\/p>\n\n\n\n
        \u0e19\u0e35\u0e48\u0e40\u0e1b\u0e47\u0e19 PHP + HTML \u0e2b\u0e19\u0e49\u0e32\u0e40\u0e14\u0e35\u0e22\u0e27<\/strong> \u0e17\u0e35\u0e48\u0e21\u0e35\u0e1b\u0e38\u0e48\u0e21 \u201cRestart WebViewer\u201d \u0e41\u0e25\u0e30\u0e41\u0e2a\u0e14\u0e07 log output \u0e2b\u0e25\u0e31\u0e07\u0e08\u0e32\u0e01\u0e01\u0e14\u0e1b\u0e38\u0e48\u0e21<\/p>\n\n\n
        \n<?php\n$output = [];\n$status = null;\n\n\/\/ \u0e16\u0e49\u0e32\u0e21\u0e35\u0e01\u0e32\u0e23\u0e01\u0e14\u0e1b\u0e38\u0e48\u0e21\nif (isset($_POST['restart'])) {\n    \/\/ \u0e15\u0e31\u0e49\u0e07\u0e04\u0e48\u0e32 DISPLAY\n    putenv('DISPLAY=:0');\n\n    \/\/ \u0e2d\u0e19\u0e38\u0e0d\u0e32\u0e15 root \u0e43\u0e0a\u0e49 X server (\u0e16\u0e49\u0e32 script \u0e43\u0e0a\u0e49 sudo)\n    exec('xhost +SI:localuser:root 2>&1', $xhost_output, $xhost_status);\n\n    \/\/ \u0e23\u0e31\u0e19\u0e2a\u0e04\u0e23\u0e34\u0e1b\u0e15\u0e4c restart_webviewer.sh\n    exec('sudo DISPLAY=:0 \/home\/mill\/restart_webviewer.sh 2>&1', $output, $status);\n}\n?>\n\n<!DOCTYPE html>\n<html lang="th">\n<head>\n<meta charset="UTF-8">\n<title>Restart WebViewer<\/title>\n<style>\n    body { font-family: Arial, sans-serif; margin: 20px; }\n    button { padding: 10px 20px; font-size: 16px; }\n    pre { background: #f0f0f0; padding: 10px; border: 1px solid #ccc; }\n<\/style>\n<\/head>\n<body>\n\n<h2>Restart WebViewer<\/h2>\n\n<form method="post">\n    <button type="submit" name="restart">Restart WebViewer<\/button>\n<\/form>\n\n<?php if (!empty($output)): ?>\n    <h3>Output:<\/h3>\n    <pre><?php echo htmlspecialchars(implode("\\n", $output)); ?><\/pre>\n<?php endif; ?>\n\n<\/body>\n<\/html>\n<\/pre><\/div>\n\n\n
        \u0e27\u0e34\u0e18\u0e35\u0e43\u0e0a\u0e49\u0e07\u0e32\u0e19<\/p>\n\n\n\n
        1.\u0e1a\u0e31\u0e19\u0e17\u0e36\u0e01\u0e44\u0e1f\u0e25\u0e4c\u0e40\u0e1b\u0e47\u0e19 restart_webviewer.php<\/code> \u0e43\u0e19\u0e40\u0e27\u0e47\u0e1a\u0e40\u0e0b\u0e34\u0e23\u0e4c\u0e1f\u0e40\u0e27\u0e2d\u0e23\u0e4c<\/p>\n\n\n\n
        2.\u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a sudoers<\/strong> \u0e43\u0e2b\u0e49 mill<\/code> \u0e2b\u0e23\u0e37\u0e2d user \u0e40\u0e27\u0e47\u0e1a\u0e23\u0e31\u0e19 \/home\/mill\/restart_webviewer.sh<\/code> \u0e44\u0e14\u0e49\u0e42\u0e14\u0e22\u0e44\u0e21\u0e48\u0e15\u0e49\u0e2d\u0e07\u0e43\u0e2a\u0e48 password:<\/p>\n\n\n
        \nsudo visudo\n# \u0e40\u0e1e\u0e34\u0e48\u0e21\u0e1a\u0e23\u0e23\u0e17\u0e31\u0e14:\napache ALL=(ALL) NOPASSWD: \/home\/mill\/restart_webviewer.sh\n# \u0e2b\u0e23\u0e37\u0e2d\u0e16\u0e49\u0e32\u0e43\u0e0a\u0e49 nginx: www-data ALL=(ALL) NOPASSWD: \/home\/mill\/restart_webviewer.sh\n<\/pre><\/div>\n\n\n
        3.\u0e40\u0e1b\u0e34\u0e14\u0e40\u0e1a\u0e23\u0e32\u0e27\u0e4c\u0e40\u0e0b\u0e2d\u0e23\u0e4c\u0e40\u0e02\u0e49\u0e32:<\/p>\n\n\n
        \nhttp:\/\/[server-ip]\/restart_webviewer.php\n<\/pre><\/div>\n\n\n
        4.\u0e01\u0e14\u0e1b\u0e38\u0e48\u0e21 \u201cRestart WebViewer\u201d<\/p>\n\n\n\n
          \n
        • \u0e23\u0e30\u0e1a\u0e1a\u0e08\u0e30\u0e23\u0e31\u0e19\u0e2a\u0e04\u0e23\u0e34\u0e1b\u0e15\u0e4c<\/li>\n\n\n\n
        • \u0e41\u0e2a\u0e14\u0e07 log output \u0e2b\u0e25\u0e31\u0e07\u0e1b\u0e38\u0e48\u0e21<\/li>\n<\/ul>\n\n\n\n
          \ud83d\udca1 \u0e2b\u0e21\u0e32\u0e22\u0e40\u0e2b\u0e15\u0e38\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/strong><\/p>\n\n\n\n
            \n
          • X server \u0e02\u0e2d\u0e07 user mill<\/code> \u0e15\u0e49\u0e2d\u0e07\u0e23\u0e31\u0e19\u0e2d\u0e22\u0e39\u0e48 (DISPLAY=:0<\/code>)<\/li>\n\n\n\n
          • \u0e01\u0e32\u0e23\u0e43\u0e2b\u0e49 PHP \u0e23\u0e31\u0e19\u0e2a\u0e04\u0e23\u0e34\u0e1b\u0e15\u0e4c\u0e14\u0e49\u0e27\u0e22 sudo \u0e21\u0e35\u0e04\u0e27\u0e32\u0e21\u0e40\u0e2a\u0e35\u0e48\u0e22\u0e07\u0e14\u0e49\u0e32\u0e19\u0e04\u0e27\u0e32\u0e21\u0e1b\u0e25\u0e2d\u0e14\u0e20\u0e31\u0e22\n
              \n
            • \u0e41\u0e19\u0e30\u0e19\u0e33\u0e43\u0e2b\u0e49 \u0e08\u0e33\u0e01\u0e31\u0e14\u0e44\u0e1f\u0e25\u0e4c\u0e19\u0e35\u0e49\u0e40\u0e02\u0e49\u0e32\u0e16\u0e36\u0e07\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e1c\u0e39\u0e49\u0e40\u0e0a\u0e37\u0e48\u0e2d\u0e16\u0e37\u0e2d\u0e44\u0e14\u0e49<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
              <\/p>\n","protected":false},"excerpt":{"rendered":"
              \u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07 SSH \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e04\u0e33\u0e2a\u0e31\u0e48\u0e07\u0e17\u0e35\u0e48\u0e04\u0e38\u0e13\u0e23\u0e31\u0e19\u0e14\u0e49\u0e27\u0e22 shell \u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e23\u0e31\u0e19\u0e08\u0e32\u0e01  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[105,163,162,9,161],"tags":[],"class_list":["post-339","post","type-post","status-publish","format-standard","hentry","category-centos","category-gui","category-html","category-linux","category-php"],"_links":{"self":[{"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/posts\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/comments?post=339"}],"version-history":[{"count":2,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/posts\/339\/revisions"}],"predecessor-version":[{"id":341,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/posts\/339\/revisions\/341"}],"wp:attachment":[{"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/media?parent=339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/categories?post=339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.chaiyakul.com\/index.php\/wp-json\/wp\/v2\/tags?post=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}