Repos-que-me-gustan/the-book-of-secret-knowledge-copy
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moved 'lsof' sub-section

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- signed-off-by: trimstray <trimstray@gmail.com>
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trimstray 2019-03-26 09:18:01 +01:00
parent ccc8f40206
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@ -1033,6 +1033,7 @@ Linux Security Expert</b></a> - trainings, howtos, checklists, security tools an
* [terminal](#tool-terminal)
* [mount](#tool-mount)
* [fuser](#tool-fuser)
* [lsof](#tool-lsof)
* [ps](#tool-ps)
* [top](#tool-top)
* [strace](#tool-strace)
@ -1068,7 +1069,6 @@ Linux Security Expert</b></a> - trainings, howtos, checklists, security tools an
* [socat](#tool-socat)
* [p0f](#tool-p0f)
* [gnutls-cli](#tool-gnutls-cli)
* [lsof](#tool-lsof)
* [netstat](#tool-netstat)
* [rsync](#tool-rsync)
* [host](#tool-host)
@ -1255,6 +1255,66 @@ fuser -v 53/udp
___
##### Tool: [lsof](https://en.wikipedia.org/wiki/Lsof)
###### Show process that use internet connection at the moment
```bash
lsof -P -i -n
```
###### Show process that use specific port number
```bash
lsof -i tcp:443
```
###### Lists all listening ports together with the PID of the associated process
```bash
lsof -Pan -i tcp -i udp
```
###### List all open ports and their owning executables
```bash
lsof -i -P | grep -i "listen"
```
###### Show all open ports
```bash
lsof -Pnl -i
```
###### Show open ports (LISTEN)
```bash
lsof -Pni4 | grep LISTEN | column -t
```
###### List all files opened by a particular command
```bash
lsof -c "process"
```
###### View user activity per directory
```bash
lsof -u username -a +D /etc
```
###### Show 10 largest open files
```bash
lsof / | \
awk '{ if($7 > 1048576) print $7/1048576 "MB" " " $9 " " $1 }' | \
sort -n -u | tail | column -t
```
___
##### Tool: [ps](https://en.wikipedia.org/wiki/Ps_(Unix))
###### Show a 4-way scrollable process tree with full details
@ -2644,66 +2704,6 @@ p0f -i enp0s25 -p -d -o /dump/enp0s25.log
___
##### Tool: [lsof](https://en.wikipedia.org/wiki/Lsof)
###### Show process that use internet connection at the moment
```bash
lsof -P -i -n
```
###### Show process that use specific port number
```bash
lsof -i tcp:443
```
###### Lists all listening ports together with the PID of the associated process
```bash
lsof -Pan -i tcp -i udp
```
###### List all open ports and their owning executables
```bash
lsof -i -P | grep -i "listen"
```
###### Show all open ports
```bash
lsof -Pnl -i
```
###### Show open ports (LISTEN)
```bash
lsof -Pni4 | grep LISTEN | column -t
```
###### List all files opened by a particular command
```bash
lsof -c "process"
```
###### View user activity per directory
```bash
lsof -u username -a +D /etc
```
###### Show 10 largest open files
```bash
lsof / | \
awk '{ if($7 > 1048576) print $7/1048576 "MB" " " $9 " " $1 }' | \
sort -n -u | tail | column -t
```
___
##### Tool: [netstat](https://en.wikipedia.org/wiki/Netstat)
###### Graph # of connections for each hosts