Differences

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--- rpi_nimbus [2019/06/08 02:08] – [Activate gzip module] Júne Park
+++ rpi_nimbus [2019/07/13 11:29] – [Known Problems] Júne Park
@@ Line 56: / Line 56: @@
   * {{fa>certificate}} ''Renew SSL certificates'' (Let's Encrypt) done <sub>  --- Updated on //2019/05/23 01:57// </sub>
-  * ''Renew SSL certificates'' (Let's Encrypt) done   <sub> --- Updated on //2019/03/13 20:08//</sub>
   * ''configure'' access.log and error.log separately  <sub> --- Updated on //2018/09/20 11:12//</sub>
   * {{fa>folder-open}} ''create'' server block for  [ ''dav.meson.in'' ]  <sub> --- Updated on //2018/08/14 15:35//</sub>
@@ Line 69: / Line 68: @@
 <hidden>
 ■ For archived history of SSL renewal
+  * ''Renew SSL certificates'' (Let's Encrypt) done   <sub> --- Updated on //2019/03/13 20:08//</sub>
   * ''Renew SSL certificates'' (Let's Encrypt) done   --- <sub>Updated on</sub> //2018/10/21 00:29//
   * ''Renew SSL certificates'' (Let's Encrypt) done  --- Updated on //2018/08/13 21:11//
@@ Line 305: / Line 305: @@
 ----
-==== Backup & archive veb resources ====
+==== Backup & archive web resources ====
 Using ''rsync'', backup and archive web resource into another location.
@@ Line 545: / Line 545: @@
 <code bash>
 sudo systemctl disable hciuart
+</code>
+----
+==== Solved Problems ====
+=== symbol lookup error ===
+<text type="warning">{{fa>exclamation}} **Problem**</text>: Error during ''sudo apt update''
+<text type="danger">{{fa>bug}} **Symptom**</text>
+<code text>
+apt-get: symbol lookup error: /usr/lib/arm-linux-gnueabihf/libapt-pkg.so.4.12: undefined symbol:
+</code>
+<text type="info">{{fa>lightbulb-o}} **Solution**</text>: reinstall package
+<code bash>
+# Download the current version of libapt-pkg4.12
+wget http://mirrordirector.raspbian.org/raspbian/pool/main/a/apt/libapt-pkg4.12_0.9.7.9+rpi1+deb7u7_armhf.deb
+# Install it
+sudo dpkg -i libapt-pkg4.12_0.9.7.9+rpi1+deb7u7_armhf.deb
 </code>