gaspersic/the-art-of-command-line
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Add mtr link

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Fernando Almeida
2016-08-25 00:20:28 -03:00
parent 88173e2d47
commit 2c9b9c4882
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@ -299,7 +299,7 @@ mkdir empty && rsync -r --delete empty/ some-dir && rmdir some-dir
- Java system debugging is a different kettle of fish, but a simple trick on Oracle's and some other JVMs is that you can run `kill -3 <pid>` and a full stack trace and heap summary (including generational garbage collection details, which can be highly informative) will be dumped to stderr/logs. The JDK's `jps`, `jstat`, `jstack`, `jmap` are useful. [SJK tools](https://github.com/aragozin/jvm-tools) are more advanced.
- Use `mtr` as a better traceroute, to identify network issues.
- Use [`mtr`](http://www.bitwizard.nl/mtr/) as a better traceroute, to identify network issues.
- For looking at why a disk is full, `ncdu` saves time over the usual commands like `du -sh *`.
@ -470,7 +470,7 @@ A few examples of piecing together commands:
- `strace`: system call debugging
- `mtr`: better traceroute for network debugging
- [`mtr`](http://www.bitwizard.nl/mtr/): better traceroute for network debugging
- `cssh`: visual concurrent shell