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updated and fixed strace one-liners

- signed-off-by: trimstray <trimstray@gmail.com>
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trimstray 3 년 전
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@@ -1438,24 +1438,30 @@ ___

##### Tool: [strace](https://en.wikipedia.org/wiki/Strace)

###### Track child process
###### Track with child processes

```bash
strace -f -p $(pidof glusterfsd)
```

###### Track process after 30 seconds
###### Track process with 30 seconds limit

```bash
timeout 30 strace $(< /var/run/zabbix/zabbix_agentd.pid)
```

###### Track child process and redirect output to a file
###### Track processes and redirect output to a file

```bash
ps auxw | grep '[a]pache' | awk '{print " -p " $2}' | xargs strace -o /tmp/strace-apache-proc.out
```

###### Track with print time spent in each syscall and limit length of print strings

```bash
ps auxw | grep '[i]init_policy' | awk '{print " -p " $2}' | xargs strace -f -e trace=network -T -s 10000
```

###### Track the open request of a network port

```bash


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