jetson-nano环境查询

1.查看jetson的原始环境，当前环境组件版本和使用状态。

答应我，NVIDIA Jetson这个小工具一定要装上！ (qq.com)

使用该命令需要下载 jetson-stats。

pip install jetson-stats

 jetson_release

该命令是一个脚本文件。

如果没有可以自行添加，文件说明中有说是jetson_stats包的一部分。因为我使用的是亚博配置好的镜像。并没有验证下载这个包后是否可以使用。

创建脚本文件

#创建文件,添加权限
touch jetson_release
chmod +x jetson_release

添加下面的脚本

gedit jetson_release

在当前文件夹执行

./jetson_release

添加到系统命令环境中即/usr/local/bin/下面，权限不够的话使用sudo命令。

cp ./jetson_release  /usr/local/bin/jetson_release

可以在任何地方调用

脚本文件：

#!/bin/bash
# This file is part of the jetson_stats package (https://github.com/rbonghi/jetson_stats or http://rnext.it).
# Copyright (c) 2019 Raffaello Bonghi.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.bold=`tput bold`
red=`tput setaf 1`
green=`tput setaf 2`
reset=`tput sgr0`jetson_release()
{local VERBOSE=$1# Load JETSON environment variablesJTOP_VARIABLE=""JTOP_PYTHON=""if type -P python3 >/dev/null 2>&1 ; thenJTOP_VARIABLE=$(python3 -c "import jtop; print(jtop.__path__[0])" 2> /dev/null)JTOP_PYTHON="$(python3 -V 2>&1)"fiif type -P python >/dev/null 2>&1 && [ -z $JTOP_VARIABLE ] ; thenJTOP_VARIABLE=$(python -c "import jtop; print(jtop.__path__[0])" 2> /dev/null)JTOP_PYTHON="$(python -V 2>&1)"fiif [ -z $JTOP_VARIABLE ] ; thenecho "${red}I cannot locate jetson_variables${reset}"exit 1fisource $JTOP_VARIABLE/jetson_variablessource $JTOP_VARIABLE/jetson_libraries# Load NVP model statusif hash nvpmodel 2>/dev/null; thenNVPModel="$(nvpmodel -q 2>/dev/null)"NVPModel=$(echo $NVPModel | sed 's/.*Mode://')# Extract model and typeNVPModel_type=$(echo $NVPModel | cut -d' ' -f 2)NVPModel=$(echo $NVPModel | cut -d' ' -f 1)fi# Read status jetson_performance serviceJETSON_STATS_SERVICE_STATUS="$(systemctl is-active jetson_stats.service)"# Extract jetson-stats versionJETSON_STATS_VERSION="$(jtop -v  2>&1 | cut -d " " -f2)"# Print Jetson versionecho "${bold} - $JETSON_MACHINE${reset}"# Print Jetpack and kernelecho "   * Jetpack $JETSON_JETPACK [L4T $JETSON_L4T]"# Print status NVPModelif [ ! -z ${NVPModel+x} ] ; thenecho "   * NV Power Mode: ${green}$NVPModel${reset} - Type: ${green}$NVPModel_type${reset}"fi# Print status Jetson Performance serviceif [ $JETSON_STATS_SERVICE_STATUS = "active" ] ; thenecho "   * jetson_stats.service: ${green}$JETSON_STATS_SERVICE_STATUS${reset}"elseecho "   * jetson_stats.service: ${red}$JETSON_STATS_SERVICE_STATUS${reset}"fiif $VERBOSE ; then# Board informationecho "${bold} - Board info:${reset}"echo "   * Type: $JETSON_TYPE"echo "   * SOC Family: $JETSON_SOC - ID:$JETSON_CHIP_ID"echo "   * Module: $JETSON_MODULE - Board: $JETSON_BOARD"echo "   * Code Name: $JETSON_CODENAME"# If available print the Board IDSif [ ! -z "$JETSON_BOARDIDS" ] ; thenecho "   * Boardids: $JETSON_BOARDIDS"fi# Print CUDA GPU architectureecho "   * CUDA GPU architecture (ARCH_BIN): $JETSON_CUDA_ARCH_BIN"# Print serial numberif [ ! -z $JETSON_SERIAL_NUMBER ] ; thenecho "   * Serial Number: ${JETSON_SERIAL_NUMBER^^}" # Make string to upper casefifi# Librariesecho "${bold} - Libraries:${reset}"# Print Cuda versionecho "   * CUDA: $JETSON_CUDA"# Print cuDNN versionecho "   * cuDNN: $JETSON_CUDNN"# Print TensorRT versionecho "   * TensorRT: $JETSON_TENSORRT"# Print VisionWorks versionecho "   * Visionworks: $JETSON_VISIONWORKS"# Print OpenCv version and cuda compiledif [ $JETSON_OPENCV_CUDA = "YES" ] ; thenecho "   * OpenCV: $JETSON_OPENCV compiled CUDA: ${green}$JETSON_OPENCV_CUDA${reset}"elseecho "   * OpenCV: $JETSON_OPENCV compiled CUDA: ${red}$JETSON_OPENCV_CUDA${reset}"fi# Print VPI versionecho "   * VPI: $JETSON_VPI"# Print Vulkan versionecho "   * Vulkan: $JETSON_VULKAN_INFO"if $VERBOSE ; then# jetson-stats versionecho "${bold} - jetson-stats:${reset}"echo "   * Version $JETSON_STATS_VERSION"echo "   * Works on $JTOP_PYTHON"fi
}usage()
{if [ "$1" != "" ]; thenecho "${red}$1${reset}"fiecho "jetson_release. [-v | --verbose] | [-h]"echo "   Show detailed information about this board. Machine, Jetpack, libraries and other."echo "Usage:"echo "$0 [options]"echo "options,"echo "   -h|--help     | This help"echo "   -v|--verbose  | Detailed information about this board"
}main()
{local VERBOSE=false# Decode all information from startupwhile [ -n "$1" ]; docase "$1" in-h|--help)usageexit 0;;-v | --verbose)VERBOSE=true;;*)usage "[ERROR] Unknown option: $1"exit 1;;esacshift 1done# Run jetson_releasejetson_release $VERBOSE
}main $@
exit 0
# EOF

2.生成简单的环境变量，了解硬件版本和已安装的jetpack

 export | grep JETSON

3. 查看jetson的机器学习环境，检查已经安装的系统组件

Jetson-nano的OS镜像已经自带了JetPack，cuda，cudnn，opencv等都已经安装好，并有例子，这些例子安装路径如下所示

TensorRT /usr/src/tensorrt/samples/
CUDA /usr/local/cuda-10.2/samples/
cuDNN /usr/src/cudnn_samples_v8/

VisionWorks
- /usr/share/visionworks/sources/samples/
- /usr/share/visionworks-tracking/sources/samples/
- /usr/share/visionworks-sfm/sources/samples/
OpenCV /usr/share/opencv4/samples/

参考下列(1条消息) Jetson Nano（二）：检查已安装组件_热爱学习的栾宝宝的博客-CSDN博客

deepstream

文件位置

/opt/nvidia/deepstream/deepstream-5.0/

deepstream_sdk文件夹解析

deepstream配置文件解析

安装库的一些网站，很多开发者都需要再安装Tensorflow和Pytorch，可以收藏一下这个网站：https://www.elinux.org/Jetson_Zoo：

一．Linux常用命令

Linux下的命令有几千条，但真正在实际开发中运用的就只有那些。

在jetson开始的时候，root密码是没有设置的。在有的时候，传文件的过程中，需要在系统文件夹下传递，这时开机创建的用户没有权限。

使用命令,设置root密码。

sudo passwd

1.查看操作系统版本

cat /proc/version

2.查看主板版本

cat /proc/cpuinfo

3.查看SD存储卡剩余空间

df -h

4.查看ip地址

ifconfig

5.压缩：tar –zcvf filename.tar.gz dirname

解压：tar –zxvf filename.tar.gz

6.linux系统常用apt(Advanced Package Tool)高级软件工具来安装软件

sudo apt-get install xxx 安装软件。

sudo apt-get update 更新软件列表。

sudo apt-get upgrade 更新已安装软件。

sudo apt-get remove xxx 删除软件。

具体有关linux命令的教程：

Linux 命令大全 | 菜鸟教程

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