Linux: Difference between revisions

Linux (view source)

885 bytes added , 18 May 2020

5,337

edits

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 sudo apt install gnome-tweaks
 sudo apt install chrome-gnome-shell
+</pre>
+==Auto Reboot==
+[https://unix.stackexchange.com/questions/141095/automatically-reboot-if-no-wifi-connection-for-a-certain-time reference]
+Auto reboot if no internet is detected:
+<syntaxhighlight lang="bash">
+#!/bin/bash
+TMP_FILE=/tmp/inet_up
+FAIL_THRESHOLD=1
+# Edit this function if you want to do something besides reboot
+no_inet_action() {
+    rm -f $TMP_FILE
+    shutdown -r now 'No internet.'
+}
+increment_tmp_file() {
+    if [ ! -f $TMP_FILE ]; then
+       echo 0 > $TMP_FILE
+    fi
+    oldnum=`cut -d ',' -f2 $TMP_FILE`
+    newnum=`expr $oldnum + 1`
+    sed -i "s/$oldnum\$/$newnum/g" $TMP_FILE
+}
+if ping -c5 google.com; then
+    echo 0 > $TMP_FILE
+else
+    increment_tmp_file
+    oldnum=`cut -d ',' -f2 $TMP_FILE`
+    [ $oldnum -ge $FAIL_THRESHOLD ] && no_inet_action
+fi
+</syntaxhighlight>
+Add to sudo's crontab
+<pre>
+*/30 * * * * /home/david/bin/check_inet.sh
 </pre>