RaspberryPi3_setting_memo

#メモリ領域をマウントして使う

pi@raspberrypi:~/Code$ sudo cat /etc/fstab 
proc            /proc           proc    defaults          0       0
/dev/mmcblk0p6  /boot           vfat    defaults          0       2
/dev/mmcblk0p7  /               ext4    defaults,noatime  0       1
tmpfs 				/tmp/motion		tmpfs	  defaults,noatime,size=20M 0 0
# a swapfile is not a swap partition, no line here
#   use  dphys-swapfile swap[on|off]  for that

#再起動をして反映させる
$ sudo reboot


################
#スワップのオンオフはdphys-swapfileで行う
# これは再起動するとスワップを作ってしまうので別の方法で対応する
pi@raspberrypi_v2:~ $ sudo dphys-swapfile swapon
pi@raspberrypi_v2:~ $ free
             total       used       free     shared    buffers     cached
Mem:        880552     485952     394600       7752      96152     289524
-/+ buffers/cache:     100276     780276
Swap:       102396          0     102396
pi@raspberrypi_v2:~ $ sudo dphys-swapfile swapoff
pi@raspberrypi_v2:~ $ free
             total       used       free     shared    buffers     cached
Mem:        880552     486136     394416       7752      96188     289520
-/+ buffers/cache:     100428     780124
Swap:            0          0          0



# Pythonの設定をしておく
#pyenv設定
https://github.com/pyenv/pyenv


#必要パッケージが足りないみたい
Installing Python-3.5.3...
WARNING: The Python bz2 extension was not compiled. Missing the bzip2 lib?
WARNING: The Python readline extension was not compiled. Missing the GNU readline lib?
ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?

$ sudo apt-get install libssl-dev libbz2-dev libreadline-dev

WARNING: The Python sqlite3 extension was not compiled. Missing the SQLite3 lib?
# SQLiteがなくてもインストールは可能。後で入れておこう


Installing Python-3.5.3...