Update cheatsheets

tldr/nettacker

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nettacker
+
+> Automate information gathering, vulnerability scanning and eventually generate a report.
+> More information: <https://nettacker.readthedocs.io/en/latest/Home/>.
+
+- List all available modules:
+
+`nettacker --show-all-modules`
+
+- Run a port scan on targets:
+
+`nettacker {{-m|--modules}} port_scan {{-i|--targets}} {{192.168.0.1/24,owasp.org,scanme.org,...}}`
+
+- Run a port scan on specific ports and targets listed in a file (newline separated):
+
+`nettacker {{-m|--modules}} port_scan {{-g|--ports}} {{22,80,443,...}} {{-l|--targets-list}} {{path/to/targets.txt}}`
+
+- Run ping test before scan and then run multiple scan types on target:
+
+`nettacker --ping-before-scan {{-m|--modules}} {{port_scan,subdomain_scan,waf_scan,...}} {{-g|--ports}} {{80,443}} {{-i|--targets}} {{owasp.org}}`