mtr Command on Linux: Network Diagnostics (Better Than ping + traceroute)
Use mtr on Linux to measure packet loss and latency hop-by-hop: install mtr, mtr hostname, report mode, and…
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Ping Monitor Shell Script for Linux (Host Down Alert, Cron)
Monitor remote hosts with a Bash ping script: packet loss threshold, email when down, cooldown between alerts, and…
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tcpdump on Linux: Capture Packets by Port and Host (Filters & pcap)
Learn tcpdump on Linux: choose interface, capture to pcap, BPF filters for host and port, read files with…
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Linux Port Monitor Shell Script (Check Open Ports & Services)
Monitor open ports and running services on Linux with a Bash script. Alert when expected ports are closed.
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