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--- os:kali:sysadmin [2024/09/16 10:07] – created warnaud
+++ os:kali:sysadmin [2025/05/23 12:22] (current) – warnaud
@@ Line 1: / Line 1: @@
+====== Missing key ======
+error message:
+<code bash>
+  Sub-process /usr/bin/sqv returned an error code (1), error message is: Missing key 827C8569F2518CC677FECA1AED65462EC8D5E4C5, which is needed to verify signature.
+</code>
+Some genius changed the key...
+<code bash>sudo curl -fsSL https://archive.kali.org/archive-key.asc | gpg --dearmor -o /etc/apt/trusted.gpg.d/kali.gpg</code>
+====== Fsck at boot ======
+Once the node didn't start and was complaining /dev/sda1 had errors.
+__**At boot**__:
+press "e" to edit Grub's line starting with linux and remove quiet splash to put single fsck.... like:
+<code perl>
+linux /boot/vmlinuz-<version> root=UUID=<your-uuid> ro single fsck.mode=force fsck.repair=yes
+</code>
+And voilà !
+====== Power Management ethX ======
+Ethernet card switches off after a long period of inactivity?
+<code bash>ethtool -s <interface_name> wol d</code>
+Make it permanent:
+<code bash> vi /etc/udev/rules.d/70-disable-ethernet-power-management.rules</code>
+<code perl>
+ACTION=="add", SUBSYSTEM=="net", KERNEL=="eth*", RUN+="/usr/sbin/ethtool -s %k wol d"
+ACTION=="add", SUBSYSTEM=="net", KERNEL=="enp*", RUN+="/usr/sbin/ethtool -s %k wol d"</code>
+<code bash>udevadm control --reload-rules</code>