User:Maffblaster/Notes and quotes

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Often times Gentoo developers and members of the community have helped me in big ways. They've provided advice, training, solutions, technical expertise, guidelines, ideas, testing, etc. This article is dedicated to mentioning times when I've personally received help from those kind and helpful souls in the Gentoo community.

Version control

To quickly undo the most recent commit:

user $git revert --no-edit -s -S <commit_hash> && git push

Network interface speed (without installing extra software such as ethtool). Replace <interface_name> with the name of the network interface:

user $cat /sys/class/net/<interface_name>/speed

Keyserver status

Thanks to Kristian Fiskerstrand (k_f), there exists a very nice keyserver status site:


Portage 'global updates' legend

Performing Global Updates
(Could take a couple of minutes if you have a lot of binary packages.)
  .='update pass'  *='binary update'  #='/var/db update'  @='/var/db move'
  s='/var/db SLOT move'  %='binary move'  S='binary SLOT move'
  p='update /etc/portage/package.*'


In reference to asking where the /lib/cpp file originates on my system:

@jcallen_ it's created by gcc-config because at one time at least one standard required that the c preprocessor (if installed) be available at exactly "/lib/cpp"

Data loss

For stager:

Three things are certain: Death, taxes, and lost data. Guess which has occurred...

- Tlhonmey

Schofield's Three Laws of Computing

Schofield's Three Laws of Computing state:

  1. You should never put data into a program unless you can see exactly how to get it out.
  2. Data doesn't really exist unless you have at least two copies of it.
  3. The easier it is for you to access your data, the easier it is for someone else to access your data.