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--- linux:bash [2022/12/03 12:51] – bstafford
+++ linux:bash [2023/07/25 15:20] (current) – [Read File] bstafford
@@ Line 1: / Line 1: @@
 ======BASH======
+===== Set VIM as visudo =====
+Run as root
+<code>echo "export EDITOR=vim;" >> ~/.bashrc</code>
+From
+<code>VISUAL="vim" ; export VISUAL
+EDITOR="$VISUAL" ; export EDITOR</code>
+===== Read File =====
+Read a list of words from a file [[https://blog.apnic.net/2023/07/19/the-joy-of-txt/|source]]
+<code>#!/bin/bash
+domainsfile="domains.txt"
+while read domain
+do
+    echo "--"
+    echo "[$(date)] CHECKING DOMAIN $domain"
+    echo "--"
+    host -W 5 -t txt "$domain". # -W 5 for a 5 second timeout
+done < "$domainsfile"</code>
+<code>./get-txt-records.sh > host.out 2>&1</code>
+===== Sudo =====
+Add user to sudo list in ''visudo''
+<code>username ALL=(ALL:ALL) ALL</code>
+The add user where they don't need password, use the following.
+REMEMBER: put this at the bottom of the file or other lines may get applied after this and change the user permission.
+<code>username ALL=(ALL) NOPASSWD: ALL</code>
 =====Toggle Bash History=====
 Turn Off<code>set +o history</code>