RPi2/Debian Jessie のバックアップ(No.6)

Debian Jessie on Raspberry Pi 2 †

お試し †

イメージ(以下を使用)
- http://sjoerd.luon.net/posts/2015/02/debian-jessie-on-rpi2/
  - https://images.collabora.co.uk/rpi2/jessie-rpi2-20150202.img.gz
- イメージをMicroSDへ焼く(手順省略)

sshログイン
- 有線で接続
  - dhcpでIPアドレスが自動で割り振られる。
  - Login as root with password debian

locale,timezone等の設定

# dpkg-reconfigure locales　　# ja_JP.UTF-8 UTF-8 を選択
# dpkg-reconfigure tzdata     # アジア→Tokyo を選択

レポジトリ設定

/etc/apt/sources.list

deb http://ftp.jp.debian.org/debian/ jessie main contrib non-free
#deb-src http://ftp.jp.debian.org/debian/ jessie main contrib non-free
#deb http://security.debian.org/ jessie/updates main contrib non-free
#deb-src http://security.debian.org/ jessie/updates main contrib non-free

deb https://repositories.collabora.co.uk/debian/ jessie rpi2

パッケージ導入

# apt-get update
# apt-get upgrade
# apt-get install emacs-nox screen
# apt-get install wicd-curses firmware-ralink  # WiFi設定
# apt-get install curl build-essential         # rpi-update

WiFi設定
- BUFFALO WLI-UC-GNW を使用
- wicd-curses を使って設定

↑

その他 †

firmware(kernel等)の更新

rpi-updateの準備

# wget -O /usr/local/bin/rpi-update https://raw.githubusercontent.com/Hexxeh/rpi-update/master/rpi-update
# chmod +x /usr/local/bin/rpi-update

firmware更新

# BOOT_PATH=/boot/firmware ROOT_PATH=/ rpi-update
# reboot

パーティション拡張

http://eco.senritu.net/raspberrypi_resizefs/ を参照

/dev/mmcblk0p2パーティションを削除し、再作成(開始セクタはそのままで,終了セクタを最大値にする)

# fdisk /dev/mmcblk0
Command (m for help): p
Disk /dev/mmcblk0: 29.5 GiB, 31657558016 bytes, 61831168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x50446648

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1        2048  249855  247808  121M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      249856 6146047 5896192  2.8G 83 Linux

Command (m for help): d
Partition number (1,2, default 2): 2

Partition 2 has been deleted.

Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (2-4, default 2): 2
First sector (249856-61831167, default 249856):
Last sector, +sectors or +size{K,M,G,T,P} (249856-61831167, default 61831167):

Created a new partition 2 of type 'Linux' and of size 29.4 GiB.

Command (m for help): p
Disk /dev/mmcblk0: 29.5 GiB, 31657558016 bytes, 61831168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x50446648

Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1        2048   249855   247808  121M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      249856 61831167 61581312 29.4G 83 Linux


Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Re-reading the partition table failed.: Device or resource busy

The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8).

リーブート
パーティション拡張
```
# resize2fs /dev/mmcblk0p2
```

↑

基本情報 †

uname -a

Linux jessie-rpi 3.18.7-v7+ #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015 armv7l GNU/Linux

free

             total       used       free     shared    buffers     cached
Mem:        949328     132992     816336      12248       8396      77424
-/+ buffers/cache:      47172     902156
Swap:            0          0          0