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| author | johannst <johannst@users.noreply.github.com> | 2020-10-02 09:28:40 +0000 |
|---|---|---|
| committer | johannst <johannst@users.noreply.github.com> | 2020-10-02 09:28:40 +0000 |
| commit | beb173a31622e99e40301d95bc74c0e63be7bea9 (patch) | |
| tree | 28f07a6f736541d777602f2d3f78009536a3b6c5 /monitor | |
| parent | 437b37306ec441823d401fe64fbf99936754b206 (diff) | |
| download | notes-beb173a31622e99e40301d95bc74c0e63be7bea9.tar.gz notes-beb173a31622e99e40301d95bc74c0e63be7bea9.zip | |
deploy: d0f74b8605d72868c49fec7d27225398118f9409
Diffstat (limited to 'monitor')
| -rw-r--r-- | monitor/lsof.html | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/monitor/lsof.html b/monitor/lsof.html index 79e3753..62e6d5e 100644 --- a/monitor/lsof.html +++ b/monitor/lsof.html @@ -150,12 +150,15 @@ <main> <h1><a class="header" href="#lsof8" id="lsof8">lsof(8)</a></h1> <pre><code class="language-markdown">lsof + -r <s> ..... repeatedly execute command ervery <s> seconds -a ......... AND slection filters instead ORing (OR: default) -p <pid> ... filter by <pid> +fg ........ show file flags for file descripros -n ......... don't convert network addr to hostnames -P ......... don't convert network port to service names -i <@h[:p]>. show connections to h (hostname|ip addr) with optional port p + -s <p:s> ... in conjunction with '-i' filter for protocol <p> in state <s> + -U ......... show unix domain sockets ('@' indicates abstract sock name, see unix(7)) </code></pre> <pre><code class="language-markdown">file flags: R/W/RW ..... read/write/read-write @@ -163,6 +166,16 @@ AP ......... append TR ......... truncate </code></pre> +<pre><code class="language-markdown">-s protocols + TCP, UDP + +-s states (TCP) + CLOSED, IDLE, BOUND, LISTEN, ESTABLISHED, SYN_SENT, SYN_RCDV, ESTABLISHED, + CLOSE_WAIT, FIN_WAIT1, CLOSING, LAST_ACK, FIN_WAIT_2, TIME_WAIT + +-s states (UDP) + Unbound, Idle +</code></pre> <h1><a class="header" href="#examples" id="examples">Examples</a></h1> <h2><a class="header" href="#file-flags" id="file-flags">File flags</a></h2> <p>Show open files with file flags for process:</p> @@ -170,7 +183,7 @@ </code></pre> <h2><a class="header" href="#open-tcp-connections" id="open-tcp-connections">Open TCP connections</a></h2> <p>Show open tcp connections for <code>$USER</code>:</p> -<pre><code class="language-markdown">lsof -a -u $USER -i tcp +<pre><code class="language-markdown">lsof -a -u $USER -i TCP </code></pre> <p><strong>Note</strong>: <code>-a</code> <em>ands</em> the results. If <code>-a</code> is not given all open files matching <code>$USER</code> and all tcp connections are listed (<em>ored</em>).</p> @@ -178,6 +191,9 @@ <p>Show open connections to <code>localhost</code> for <code>$USER</code>:</p> <pre><code class="language-markdown">lsof -a -u $USER -i @localhost </code></pre> +<h2><a class="header" href="#ipv4-tcp-connections-in-established-state" id="ipv4-tcp-connections-in-established-state">IPv4 TCP connections in <code>ESTABLISHED</code> state</a></h2> +<pre><code class="language-markdown">lsof -i 4TCP -s TCP:ESTABLISHED +</code></pre> </main> |