usefull-oneliners/README.md
Theodotos Andreou 5ad7830fbf Typo
2018-07-04 21:01:02 +03:00

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# Usefull Oneliners
## vim
* Set tab to 4 spaces:
```
set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab
```
## Shell
* Find my public IP:
```
dig +short myip.opendns.com @resolver1.opendns.com
```
* Check if private and public ssh keys match:
```
diff <(cat ~/.ssh/id_rsa.pub | cut -d' ' -f 2) <(ssh-keygen -y -f ~/.ssh/id_rsa | cut -d' ' -f 2)'
```
References
------
* https://stackoverflow.com/questions/1878974/redefine-tab-as-4-spaces
* https://serverfault.com/questions/426394/how-to-check-if-a-rsa-public-private-key-pair-matched