{
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  "type": "Note",
  "id": "https://lemmy.cafe/comment/1368187",
  "attributedTo": "https://lemmy.cafe/u/Illecors",
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    "https://www.w3.org/ns/activitystreams#Public"
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  "cc": [
    "https://lemmy.ml/c/linux",
    "https://lemmy.dbzer0.com/u/Harry_h0udini"
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  "content": "<pre style=\"background-color:#ffffff;\">\n<span style=\"color:#323232;\">#!/usr/bin/env bash\n</span><span style=\"color:#323232;\">\n</span><span style=\"color:#323232;\">exec &gt; /tmp/sda-debug.log 2&gt;&amp;amp;1 # The last &quot;word&quot; of this line is 4 chars - two, greater than, ampersand and one\n</span><span style=\"color:#323232;\">\n</span><span style=\"color:#323232;\"># strict mode\n</span><span style=\"color:#323232;\">set -euxo pipefail\n</span><span style=\"color:#323232;\">IFS=$&#39;\\n\\t&#39;\n</span><span style=\"color:#323232;\">\n</span><span style=\"color:#323232;\">TARGET=&quot;/tmp/myprecious&quot;\n</span><span style=\"color:#323232;\">\n</span><span style=\"color:#323232;\">umount /dev/sda4 || true\n</span><span style=\"color:#323232;\">mkdir -p &quot;$TARGET&quot;\n</span><span style=\"color:#323232;\">mount /dev/sda4 &quot;$TARGET&quot;\n</span><span style=\"color:#323232;\">ls -la &quot;$TARGET&quot; # attempt read\n</span><span style=\"color:#323232;\">touch &quot;$TARGET&quot;/testfile # attempt write\n</span><span style=\"color:#323232;\">\n</span><span style=\"color:#323232;\">rm &quot;$TARGET&quot;/testfile\n</span><span style=\"color:#323232;\">umount &quot;$TARGET&quot;\n</span><span style=\"color:#323232;\">rmdir &quot;$TARGET&quot;\n</span></pre>\n<ul>\n<li>Save this to a file somewhere, let’s call it <code>sda-debug.sh</code></li>\n<li>Make the script executable: <code>chmod +x sda-debug.sh</code></li>\n<li>Run it as root: <code>sudo ./sda-debug.sh</code></li>\n<li>Paste the content of <code>/tmp/sda-debug.log</code> here</li>\n</ul>\n<hr />\n<p>EDIT: changed the script to log everything to a file for easier copy-past-ability.</p>\n",
  "inReplyTo": "https://lemmy.dbzer0.com/post/2570805",
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    "content": "```\n#!/usr/bin/env bash\n\nexec > /tmp/sda-debug.log 2>&amp;1 # The last \"word\" of this line is 4 chars - two, greater than, ampersand and one\n\n# strict mode\nset -euxo pipefail\nIFS=$'\\n\\t'\n\nTARGET=\"/tmp/myprecious\"\n\numount /dev/sda4 || true\nmkdir -p \"$TARGET\"\nmount /dev/sda4 \"$TARGET\"\nls -la \"$TARGET\" # attempt read\ntouch \"$TARGET\"/testfile # attempt write\n\nrm \"$TARGET\"/testfile\numount \"$TARGET\"\nrmdir \"$TARGET\"\n```\n\n\n- Save this to a file somewhere, let's call it `sda-debug.sh`\n- Make the script executable: `chmod +x sda-debug.sh`\n- Run it as root: `sudo ./sda-debug.sh`\n- Paste the content of `/tmp/sda-debug.log` here\n\n___________\nEDIT: changed the script to log everything to a file for easier copy-past-ability.",
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  "published": "2023-08-23T07:08:10.894383+00:00",
  "updated": "2023-08-23T09:25:34.727854+00:00",
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