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Bitbake Cheatsheet

Verbose as possible

bitbake -vDDD your-recipe

List recipes

bitbake -s

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Renew GPG key

Given that your key has expired.

$ gpg --list-keys
$ gpg --edit-key KEYID

Use the expire command to set a new expire date:

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Linux - Systemd cheatsheet

systemctl

Activates a service immediately:

systemctl start foo.service

Deactivates a service immediately:

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One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

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/* db_add.c: storing
   written by rock <shirock@residence.educities.edu.tw>, 1999.11.29
 */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gdbm.h>

#define datum_set(um, buf) { um.dptr = buf; um.dsize = strlen(buf); }

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/* db_add.c: storing
   written by rock <shirock@residence.educities.edu.tw>, 1999.11.29
 */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gdbm.h>

#define datum_set(um, buf) { um.dptr = buf; um.dsize = strlen(buf); }

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/*****************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 *  Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which

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Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

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Create Git Mirror from SVN Repository

This guide will demonstrate how to mirror an SVN into a Git repo. You're the target audience if you're an SVN user, just getting started with Git and need to coax your project team over to Git.

The branching scenario has been simplified for clarity.

References