vslam入门到入土：dissertation 填坑

1运行时出现error while loading shared libraries: libserial.so: cannot open

1.1先安装好Serial：

1.2出现：error while loading shared libraries: libserial.so: cannot open shared object file: No such file or

export LD_LIBRARY_PATH=/where/you/install/lib:$LD_LIBRARY_PATH
sudo ldconfig

2 永久打开USB串口：

#查看用户组
ls -l /dev/ttyUSB0
#显示
crw-rw---- 1 root dialout 188, 0 5月   3 16:59 /dev/ttyUSB0

#查看当前用户名
whoami
#显示
casso

#永久打开USB串口
sudo usermod -aG dialout casso