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  4. <title>Free Up Pi-Hole Disk Space Usage</title>
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  78. <h1>Free Up Pi-Hole Disk Space Usage</h1>
  79. </div>
  80. <div></div>
  81. <div id="content">
  82. <h2>Cleaning Log Files</h2>
  83. <ol>
  84. <li>Log into the Pi-Hole server</li>
  85. <li>Run the following commands in a terminal window
  86. <div class="codeBlock"># output current pihole db size<br />
  87. sudo du /etc/pihole/pihole-FTL.db -h<br />
  88. # flush pihole logs<br />
  89. pihole flush<br />
  90. # stop pihole FTL service<br />
  91. sudo systemctl stop pihole-FTL<br />
  92. # delete the FTL database file<br />
  93. sudo rm /etc/pihole/pihole-FTL.db<br />
  94. # stop pihole FTL service<br />
  95. sudo systemctl start pihole-FTL<br />
  96. # output reduced pihole db size<br />
  97. sudo du /etc/pihole/pihole-FTL.db -h</div>
  98. </li>
  99. </ol>
  100. <h2>Reduce Long Term Log Lifespan</h2>
  101. <p><em>By default, Pi-hole keeps long term DNS logs for 365 days. This lifespan can be changed by altering the MAXDBDAYS variable in /etc/pihole/pihole-FTL.conf</em></p>
  102. <ol>
  103. <li>To reduce the log lifespan, run the following commands in a terminal window
  104. <div class="codeBlock"># edit pihole-FTD.conf<br />
  105. sudo nano /etc/pihole/pihole-FTL.conf</div>
  106. </li>
  107. <li>Add or edit MAXDBDAYS value in the configuration file as needed</li>
  108. <li>Press CTRL+O, Enter, CTRL+X to write the changes</li>
  109. <li>Continue with the following command
  110. <div class="codeBlock"># restart pihole-FTL server<br />
  111. sudo systemctl restart pihole-FTL</div>
  112. </li>
  113. <li>After restarting the service the new logs lifespan will be active</li>
  114. </ol>
  115. <p>Pi-hole Documentation: <a href="https://docs.pi-hole.net/ftldns/configfile/" target="_blank">https://docs.pi-hole.net/ftldns/configfile</a></p>
  116. </div>
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