Update cheatsheets

bandwhich

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bandwhich
+
+> Display the current network utilization by process, connection or remote IP/hostname.
+> More information: <https://github.com/imsnif/bandwhich>.
+
+- Show the remote addresses table only:
+
+`bandwhich --addresses`
+
+- Show DNS queries:
+
+`bandwhich --show-dns`
+
+- Show total (cumulative) usage:
+
+`bandwhich --total-utilization`
+
+- Show the network utilization for a specific network interface:
+
+`bandwhich --interface {{eth0}}`
+
+- Show DNS queries with a given DNS server:
+
+`bandwhich --show-dns --dns-server {{dns_server_ip}}`