diff --git a/sitemap.xml b/sitemap.xml
index e393f7e..1eec594 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -2,517 +2,517 @@
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          <loc>https://linkedin.github.io/school-of-sre/level102/networking/introduction/</loc>
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          <changefreq>daily</changefreq>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_calls_and_signals/conclusion/</loc>
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          <loc>https://linkedin.github.io/school-of-sre/level102/system_calls_and_signals/intro/</loc>
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          <loc>https://linkedin.github.io/school-of-sre/level102/system_calls_and_signals/system_calls/</loc>
-         <lastmod>2023-12-30</lastmod>
+         <lastmod>2024-03-02</lastmod>
          <changefreq>daily</changefreq>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/conclusion/</loc>
-         <lastmod>2023-12-30</lastmod>
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          <changefreq>daily</changefreq>
     </url>
     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/intro/</loc>
-         <lastmod>2023-12-30</lastmod>
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          <changefreq>daily</changefreq>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/large-system-design/</loc>
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          <changefreq>daily</changefreq>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/resiliency/</loc>
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          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/scaling-beyond-the-datacenter/</loc>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_design/scaling/</loc>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_troubleshooting_and_performance/conclusion/</loc>
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          <loc>https://linkedin.github.io/school-of-sre/level102/system_troubleshooting_and_performance/important-tools/</loc>
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     <url>
          <loc>https://linkedin.github.io/school-of-sre/level102/system_troubleshooting_and_performance/introduction/</loc>
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          <loc>https://linkedin.github.io/school-of-sre/level102/system_troubleshooting_and_performance/performance-improvements/</loc>
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