Admin hints: Difference between revisions
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<syntaxhighlight lang=bash> | <syntaxhighlight lang=bash> | ||
$ dig +short +time=2 +tries=1 myip.opendns.com @resolver1.opendns.com | $ dig +short +time=2 +tries=1 myip.opendns.com @resolver1.opendns.com | ||
</syntaxhighlight> | |||
==Remove empty and comment lines== | |||
<syntaxhighlight lang=bash> | |||
$ grep -Ev "^(\s*|(//|[;#]).*)$" <file> | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 09:34, 12 July 2024
Cheat sheets
DNS
Get your IP address
$ dig +short +time=2 +tries=1 myip.opendns.com @resolver1.opendns.com
Remove empty and comment lines
$ grep -Ev "^(\s*|(//|[;#]).*)$" <file>
