RICK

warning: project 'repo' branch 'stable' is not signedThis can happen on Linux and Mac. I've personally experienced it on Linux (Ubuntu).Repo is trying to automatically update itself, but it is failing when trying to verify the key because it can't find

1.生成公钥https://git-scm.com/book/zh/v2/服务器上的-Git-生成-SSH-公钥https://blog.youkuaiyun.com/qq_28413435/article/details/83018194（1） 运行 ssh-keygen -t rsa -C "xxxxx@xxxxx.com"（2） cat ~/.ssh/id_rsa.pub 文件内容，获取到你的 public key注：如果直接回车，则在~/.ssh/下，会生成 ...

1.安装sudo apt-get install openssh-server2.启动与停止 /etc/init.d/ssh start //启动 /etc/init.d/ssh stop //停止 /etc/init.d/ssh restart //重启3.使用串口工具xshell(其他也可以)，新建ssh连接，第一次会提醒输入账号和密码，打开如下：Copyright (c) 2002 NetSarang Computer, Inc. All right.

报错问题 1：scripts/extract-cert.c:21:25: fatal error: openssl/bio.h报错原因：编译内核命令：make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi-出现fatal error: openssl/名单.h: No such file or directory。原因是libssl-dev～没有安装libssl-dev包含libraries, header files and manpages

ALSA project - the C library reference

Original:https://alsa-project.org/wiki/ALSA_topologyALSA topologyALSA Topology provides a method for audio drivers to load their mixers, routing, PCMs and capabilities from user space at runtime without changing any driver source code. The intention is

A Tutorial on Using the ALSA Audio APIOriginal:http://www.equalarea.com/paul/alsa-audio.htmlContentsUnderstanding Audio Interface What a Typical Audio Application Does A Minimal Playback Program A Minimal Capture Program A Minimal interrupt-driv.

linux下编写本地录音和播放demo测试代码：1. 通过读.wav格式的音频流，将音频流写入DMA缓存区，实现语音播放；2. 通过读DMA缓存区的音频流，实现录音。首先要配置硬件参数，包括设置采样位数、通道数、采样率等，然后向DMA缓存区写或者读，实现播放和录音，具体见下文：/************************************************************************* > File Name: local_player.c

1. 下载2020/5/16实测以下地址能下载stress:https://fossies.org/linux/privat/stress-1.0.4.tar.gz/stress-nghttps://aur.tuna.tsinghua.edu.cn/packages/stress-ng/https://kernel.ubuntu.com/~cking/tarballs/stress-ng/2. 安装stresstar -xzvf stress-1.0.4.tar.gzcd