# 常用系统命令
- 查看系统版本号
lsb_release -a
cat /proc/version
umane -a
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- 查看CPU温度
/opt/vc/bin/vcgencmd measure_temp
cat /sys/class/thermal/thermal_zone0/temp
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# 修改树莓派的apt软件源
sudo nano /etc/apt/sources.list
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deb http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contrib rpi
deb-src http://mirrors.aliyun.com/raspbian/raspbian/ wheezy main non-free contrib rpi
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// 更新软件索引清单
sudo apt-get update
// 比较索引清单更新依赖关系
sudo apt-get upgrade -y
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sudo nano /etc/apt/sources.list.d/raspi.list
deb http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui
deb-src http://mirror.tuna.tsinghua.edu.cn/raspberrypi/ stretch main ui
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sudo apt-get update
sudo apt-get -y upgrade
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# 树莓派修改音频输出至3.5mm耳机孔
sudo amixer cset numid=3 1
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# 安装xrdp
使用自带的的源安装
apt-get install xrdp -y
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# 使用aptitude
- 使用aptitude
apt-get install aptitude
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# 解决apt-get update问题
sudo apt-get update
E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
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表明当前有某个进程正在apt-get,然而我并没有使用任何命令,于是需要kill掉进程。
解决方法是:
sudo rm /var/lib/apt/lists/lock
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