Docker の導入には、本体 Flash Memory では容量が不足するため、SD カードから起動する形で導入します。
以下 SD カード作成の方法には、Docker をサポートした Kernel が導入されているファームウェア (v4.0.0β1 以降) が必要です。
購入した状態の SD カードは、Windows 用のパーティション構成(FAT32) となっていますので、fdisk コマンドにより下記パーティション構成に変更します。
| No. | Partition type | 容量 | Note |
|---|---|---|---|
| 1 | 0x06 | 100MiB程度 | active |
| 2 | 0x83 | 残り全部1) |
root@plum:~# fdisk /dev/mmcblk0
Welcome to fdisk (util-linux 2.31.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): d <---------- (1) FAT32 パーティションの削除
Selected partition 1
Partition 1 has been deleted.
Command (m for help): n <---------- (2) FAT16 パーティション作成 (for bootloader, /boot)
Partition type
p primary (0 primary, 0 extended, 4 free)
e extended (container for logical partitions)
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-3911679, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-3911679, default 3911679): +100M
Created a new partition 1 of type 'Linux' and of size 100 MiB.
Command (m for help): n <---------- (3) Linux 用パーティション作成 (for root filesystem)
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 (206848-3911679, default 206848):
Last sector, +sectors or +size{K,M,G,T,P} (206848-3911679, default 3911679):
Created a new partition 2 of type 'Linux' and of size 1.8 GiB.
Command (m for help): t <---------- (4) No.1 のパーティションタイプ変更 (Linux -> FAT16 へ)
Partition number (1,2, default 2): 1
Hex code (type L to list all codes): L
0 Empty 24 NEC DOS 81 Minix / old Lin bf Solaris
1 FAT12 27 Hidden NTFS Win 82 Linux swap / So c1 DRDOS/sec (FAT-
2 XENIX root 39 Plan 9 83 Linux c4 DRDOS/sec (FAT-
3 XENIX usr 3c PartitionMagic 84 OS/2 hidden or c6 DRDOS/sec (FAT-
4 FAT16 <32M 40 Venix 80286 85 Linux extended c7 Syrinx
5 Extended 41 PPC PReP Boot 86 NTFS volume set da Non-FS data
6 FAT16 42 SFS 87 NTFS volume set db CP/M / CTOS / .
7 HPFS/NTFS/exFAT 4d QNX4.x 88 Linux plaintext de Dell Utility
8 AIX 4e QNX4.x 2nd part 8e Linux LVM df BootIt
9 AIX bootable 4f QNX4.x 3rd part 93 Amoeba e1 DOS access
a OS/2 Boot Manag 50 OnTrack DM 94 Amoeba BBT e3 DOS R/O
b W95 FAT32 51 OnTrack DM6 Aux 9f BSD/OS e4 SpeedStor
c W95 FAT32 (LBA) 52 CP/M a0 IBM Thinkpad hi ea Rufus alignment
e W95 FAT16 (LBA) 53 OnTrack DM6 Aux a5 FreeBSD eb BeOS fs
f W95 Ext'd (LBA) 54 OnTrackDM6 a6 OpenBSD ee GPT
10 OPUS 55 EZ-Drive a7 NeXTSTEP ef EFI (FAT-12/16/
11 Hidden FAT12 56 Golden Bow a8 Darwin UFS f0 Linux/PA-RISC b
12 Compaq diagnost 5c Priam Edisk a9 NetBSD f1 SpeedStor
14 Hidden FAT16 <3 61 SpeedStor ab Darwin boot f4 SpeedStor
16 Hidden FAT16 63 GNU HURD or Sys af HFS / HFS+ f2 DOS secondary
17 Hidden HPFS/NTF 64 Novell Netware b7 BSDI fs fb VMware VMFS
18 AST SmartSleep 65 Novell Netware b8 BSDI swap fc VMware VMKCORE
1b Hidden W95 FAT3 70 DiskSecure Mult bb Boot Wizard hid fd Linux raid auto
1c Hidden W95 FAT3 75 PC/IX bc Acronis FAT32 L fe LANstep
1e Hidden W95 FAT1 80 Old Minix be Solaris boot ff BBT
Hex code (type L to list all codes): 6
Changed type of partition 'Linux' to 'FAT16'.
Command (m for help): a <---------- (5) No.1 パーティションに active フラグをセットする
Partition number (1,2, default 2): 1
The bootable flag on partition 1 is enabled now.
Command (m for help): p <---------- (6) パーティション構成の確認
Disk /dev/mmcblk0: 1.9 GiB, 2002780160 bytes, 3911680 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: 0x00073ed7
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 * 2048 206847 204800 100M 6 FAT16
/dev/mmcblk0p2 206848 3911679 3704832 1.8G 83 Linux
Command (m for help): w <---------- (7) パーティション構成を SD カードに書き込み、終了
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
root@plum:~#
root@plum:~# mkfs.vfat /dev/mmcblk0p1 mkfs.fat 4.1 (2017-01-24) root@plum:~#
root@plum:~# mkfs.ext4 /dev/mmcblk0p2 mke2fs 1.44.1 (24-Mar-2018) Discarding device blocks: done Creating filesystem with 463104 4k blocks and 115920 inodes Filesystem UUID: 68c04c1f-5803-4164-b911-422e645a2885 Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912 Allocating group tables: done Writing inode tables: done Creating journal (8192 blocks): done Writing superblocks and filesystem accounting information: done root@plum:~#
※ SDカードに root filesystem を作成する (Obsolete) に書いたとおり、mkfs.ext4 に -i 4096 のオプションを追加しておいたほうが良いと思います。
No.1 パーティションを mount し、Bootloader のファイルをコピーします。
Bootloader の 2 段目は、実機の Flash Memory からコピーします。
| File | STAT | SHA1SUM | Info |
|---|---|---|---|
| mlo.zip | 2018/12/18 11:52 31.6 KB | dd42d4ade113c16a71815d312275695f218270bc | MLO(bootloader 1段目) |
root@plum:~# mount /dev/mmcblk0p1 /mnt/sd/ <----- (1) No.1 パーティション (FAT) を mount root@plum:~# cp /tmp/MLO /mnt/sd <----- (2) MLO (Bootloader 1段目) をコピー root@plum:~# cat /proc/mtd dev: size erasesize name mtd0: 0ff00000 00020000 "UBI" mtd1: 00100000 00020000 "OOPS" mtd2: 0040f800 0001f800 "kernel.0" mtd3: 0040f800 0001f800 "kernel.1" mtd4: 00217800 0001f800 "initramfs.0" mtd5: 00217800 0001f800 "initramfs.1" mtd6: 00217800 0001f800 "kmod.0" mtd7: 00217800 0001f800 "kmod.1" mtd8: 0501a800 0001f800 "rootfs.0" mtd9: 0501a800 0001f800 "rootfs.1" mtd10: 0191a000 0001f800 "opt" mtd11: 02bce000 0001f800 "overlay" mtd12: 00020000 00010000 "MLO" mtd13: 00080000 00010000 "barebox.bin" mtd14: 00020000 00010000 "barebox.env" mtd15: 00020000 00010000 "dtb.0" mtd16: 00020000 00010000 "dtb.1" mtd17: 00020000 00010000 "hist_firmup" mtd18: 000e0000 00010000 "hist_boot" root@plum:~# cp /dev/mtdblock13 /mnt/sd/barebox.bin <----- (3) FlashMemory から Bootloader 2段目 をコピー root@plum:~# ls -l /mnt/sd/ total 562 -rwxr-xr-x 1 root root 524288 Dec 18 11:54 barebox.bin -rwxr-xr-x 1 root root 49304 Dec 18 11:54 MLO root@plum:~#
Kernel, DeviceTree を本体 FlashMemory からコピーします。
起動している側のエリアのファイルをコピーします。
root@plum:~# cat /proc/cmdline ubi.mtd=UBI mtdoops.mtddev=OOPS mtdoops.record_size=8192 zswap.enabled=1 root=AREA=0 omap_wdt.start_at_boot=1 omap_wdt.timer_margin=180 console=ttyO0,115200 overlay=tmpfs overlay_driver=aufs rootdelay=1 reset_cause=POR usbcore.autosuspend=-1 xio_id=3 mtdparts=omap2-nand.0:255M(UBI),-(OOPS)
root=AREA=0 となっていますので、AREA0 の領域からコピーします。
root@plum:~# cat /proc/mtd dev: size erasesize name mtd0: 0ff00000 00020000 "UBI" mtd1: 00100000 00020000 "OOPS" mtd2: 0040f800 0001f800 "kernel.0" <----- Kernel mtd3: 0040f800 0001f800 "kernel.1" mtd4: 00217800 0001f800 "initramfs.0" mtd5: 00217800 0001f800 "initramfs.1" mtd6: 00217800 0001f800 "kmod.0" mtd7: 00217800 0001f800 "kmod.1" mtd8: 0501a800 0001f800 "rootfs.0" mtd9: 0501a800 0001f800 "rootfs.1" mtd10: 0191a000 0001f800 "opt" mtd11: 02bce000 0001f800 "overlay" mtd12: 00020000 00010000 "MLO" mtd13: 00080000 00010000 "barebox.bin" mtd14: 00020000 00010000 "barebox.env" mtd15: 00020000 00010000 "dtb.0" <----- DeviceTree mtd16: 00020000 00010000 "dtb.1" mtd17: 00020000 00010000 "hist_firmup" mtd18: 000e0000 00010000 "hist_boot"
root@plum:/mnt/sd# cp /dev/mtdblock2 uImage root@plum:/mnt/sd# cp /dev/mtdblock15 plum-ma.dtb
ここまでの作業で、No.1 パーティションには下記のファイルが配置されました。
root@plum:/mnt/sd# ls -l total 4848 -rwxr-xr-x 1 root root 524288 Dec 18 11:54 barebox.bin -rwxr-xr-x 1 root root 49304 Dec 18 11:54 MLO -rwxr-xr-x 1 root root 131072 Dec 18 12:38 plum-ma.dtb -rwxr-xr-x 1 root root 4257792 Dec 18 12:38 uImage root@plum:/mnt/sd#
No.1 パーティションは umount しておきます。
root@plum:/mnt/sd# cd root@plum:~# umount /mnt/sd root@plum:~#
Ubuntu 18.04LTS の root filesystem を、No.2 パーティションに作成します。
まず、mount します。
root@plum:~# mount /dev/mmcblk0p2 /mnt/sd root@plum:~#
Debootstrap コマンドで、Ubuntu 18.04LTS のベース部分を作成しますので、debootstrap パッケージを導入します。
インターネットに接続できるように設定しておく必要があります。
root@plum:~# apt update Get:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease [242 kB] Get:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB] Get:3 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [83.2 kB] Get:4 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB] Get:5 http://ports.ubuntu.com/ubuntu-ports bionic/main Translation-en [516 kB] Get:6 http://ports.ubuntu.com/ubuntu-ports bionic/restricted armhf Packages [8,360 B] Get:7 http://ports.ubuntu.com/ubuntu-ports bionic/restricted Translation-en [3,584 B] Get:8 http://ports.ubuntu.com/ubuntu-ports bionic/universe armhf Packages [8,269 kB] Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/universe Translation-en [4,941 kB] Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse armhf Packages [129 kB] Get:11 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse Translation-en [108 kB] Get:12 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf Packages [368 kB] Get:13 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main Translation-en [172 kB] Get:14 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted armhf Packages [6,460 B] Get:15 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted Translation-en [3,076 B] Get:16 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe armhf Packages [559 kB] Get:17 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe Translation-en [171 kB] Get:18 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse armhf Packages [3,128 B] Get:19 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse Translation-en [3,356 B] Get:20 http://ports.ubuntu.com/ubuntu-ports bionic-security/main armhf Packages [150 kB] Get:21 http://ports.ubuntu.com/ubuntu-ports bionic-security/main Translation-en [85.0 kB] Get:22 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe armhf Packages [107 kB] Get:23 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe Translation-en [61.4 kB] Get:24 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse armhf Packages [644 B] Get:25 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse Translation-en [996 B] Fetched 17.0 MB in 28s (613 kB/s) Reading package lists... Done Building dependency tree Reading state information... Done 3 packages can be upgraded. Run 'apt list --upgradable' to see them. root@plum:~#
root@plum:~# apt install debootstrap Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: dirmngr gnupg gnupg-l10n gnupg-utils gpg gpg-agent gpg-wks-client gpg-wks-server gpgconf gpgsm libassuan0 libksba8 libnpth0 pinentry-curses Suggested packages: ubuntu-archive-keyring dbus-user-session pinentry-gnome3 tor parcimonie xloadimage scdaemon pinentry-doc The following NEW packages will be installed: debootstrap dirmngr gnupg gnupg-l10n gnupg-utils gpg gpg-agent gpg-wks-client gpg-wks-server gpgconf gpgsm libassuan0 libksba8 libnpth0 pinentry-curses 0 upgraded, 15 newly installed, 0 to remove and 4 not upgraded. Need to get 1,893 kB of archives. After this operation, 4,613 kB of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf libassuan0 armhf 2.5.1-2 [28.3 kB] Get:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf gpgconf armhf 2.2.4-1ubuntu1.1 [105 kB] ... 略 ... Setting up gpg-wks-server (2.2.4-1ubuntu1.1) ... Setting up gpg-wks-client (2.2.4-1ubuntu1.1) ... Setting up gnupg (2.2.4-1ubuntu1.1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... root@plum:~#
debootstrap コマンドを実行します。
root@plum:~# debootstrap bionic /mnt/sd http://ports.ubuntu.com I: Retrieving InRelease I: Checking Release signature I: Valid Release signature (key id 790BC7277767219C42C86F933B4FE6ACC0B21F32) I: Retrieving Packages I: Validating Packages ... 略 ... I: Configuring console-setup-linux... I: Configuring console-setup... I: Configuring ubuntu-minimal... I: Configuring libc-bin... I: Configuring systemd... I: Configuring ca-certificates... I: Configuring initramfs-tools... I: Base system installed successfully. root@plum:~#
Ubuntu の root filesystem が作成されました。
実機から、Kernel module をコピーします。
root@plum:~# cd /mnt/sd/lib/ root@plum:/mnt/sd/lib# mkdir modules root@plum:/mnt/sd/lib# cd modules/ root@plum:/mnt/sd/lib/modules# cp -af /lib/modules/4.19.9+ . root@plum:/mnt/sd/lib/modules# ls -l total 4 drwxr-xr-x 3 root root 4096 Dec 18 09:21 4.19.9+
debootstrap しただけですと、apt line に main しか設定されていない状態なのでコピーしておきます。
root@plum:~# cat /mnt/sd/etc/apt/sources.list deb http://ports.ubuntu.com bionic main root@plum:~#
root@plum:~# cp /etc/apt/sources.list /mnt/sd/etc/apt/ root@plum:~#
ネットワークの設定がカラの状態なので、実機からコピーしておきます。
root@plum:~# cp /etc/network/interfaces /mnt/sd/etc/network/interfaces root@plum:~#
root filesystem に chroot し、Ubuntu の各種設定を行います。
root@plum:~# chroot /mnt/sd root@plum:/#
セキュリティアップデートなどが適用されていない状態なので、パッケージの更新をしておきます。
root@plum:~# apt update Get:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease [242 kB] Get:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease [88.7 kB] Get:3 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease [83.2 kB] Get:4 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf Packages [968 kB] Get:5 http://ports.ubuntu.com/ubuntu-ports bionic/main Translation-en [516 kB] Get:6 http://ports.ubuntu.com/ubuntu-ports bionic/restricted armhf Packages [8360 B] Get:7 http://ports.ubuntu.com/ubuntu-ports bionic/restricted Translation-en [3584 B] Get:8 http://ports.ubuntu.com/ubuntu-ports bionic/universe armhf Packages [8269 kB] Get:9 http://ports.ubuntu.com/ubuntu-ports bionic/universe Translation-en [4941 kB] Get:10 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse armhf Packages [129 kB] Get:11 http://ports.ubuntu.com/ubuntu-ports bionic/multiverse Translation-en [108 kB] Get:12 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf Packages [368 kB] Get:13 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main Translation-en [172 kB] Get:14 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted armhf Packages [6460 B] Get:15 http://ports.ubuntu.com/ubuntu-ports bionic-updates/restricted Translation-en [3076 B] Get:16 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe armhf Packages [559 kB] Get:17 http://ports.ubuntu.com/ubuntu-ports bionic-updates/universe Translation-en [171 kB] Get:18 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse armhf Packages [3128 B] Get:19 http://ports.ubuntu.com/ubuntu-ports bionic-updates/multiverse Translation-en [3356 B] Get:20 http://ports.ubuntu.com/ubuntu-ports bionic-security/main armhf Packages [150 kB] Get:21 http://ports.ubuntu.com/ubuntu-ports bionic-security/main Translation-en [85.0 kB] Get:22 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe armhf Packages [107 kB] Get:23 http://ports.ubuntu.com/ubuntu-ports bionic-security/universe Translation-en [61.4 kB] Get:24 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse armhf Packages [644 B] Get:25 http://ports.ubuntu.com/ubuntu-ports bionic-security/multiverse Translation-en [996 B] Fetched 17.0 MB in 32s (534 kB/s) Reading package lists... Done Building dependency tree... Done 69 packages can be upgraded. Run 'apt list --upgradable' to see them.
root@plum:~# apt upgrade Reading package lists... Done Building dependency tree... Done Calculating upgrade... Done The following NEW packages will be installed: python3-netifaces The following packages will be upgraded: apt apt-utils base-files bsdutils console-setup console-setup-linux distro-info-data dpkg fdisk file gcc-8-base gpgv initramfs-tools initramfs-tools-bin initramfs-tools-core keyboard-configuration kmod libapparmor1 libapt-inst2.0 libapt-pkg5.0 libblkid1 libcryptsetup12 libdns-export1100 libfdisk1 libgcc1 libgcrypt20 libglib2.0-0 libglib2.0-data libisc-export169 libkmod2 libmagic-mgc libmagic1 libmount1 libncurses5 libncursesw5 libnss-systemd libpam-systemd libprocps6 libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libsmartcols1 libssl1.1 libstdc++6 libsystemd0 libtinfo5 libudev1 libuuid1 libxml2 mount ncurses-base ncurses-bin netcat-openbsd netplan.io networkd-dispatcher nplan openssl perl-base procps python3 python3-minimal python3.6 python3.6-minimal systemd systemd-sysv tzdata ubuntu-keyring udev util-linux 69 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 22.0 MB of archives. After this operation, 295 kB of additional disk space will be used. Do you want to continue? [Y/n] ... 略 ... Setting up file (1:5.32-2ubuntu0.1) ... Setting up python3-netifaces (0.10.4-0.1build4) ... Setting up networkd-dispatcher (1.7-0ubuntu3.3) ... Installing new version of config file /etc/default/networkd-dispatcher ... Setting up netplan.io (0.40.1~18.04.3) ... Setting up nplan (0.40.1~18.04.3) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Processing triggers for initramfs-tools (0.130ubuntu3.5) ... root@plum:~#
Timezone を Asia/Tokyo に設定します。
root@plum:~# dpkg-reconfigure tzdata
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_CTYPE to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_MESSAGES to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_ALL to default locale: No such file or directory
Current default time zone: 'Asia/Tokyo'
Local time is now: Tue Dec 18 13:41:44 JST 2018.
Universal Time is now: Tue Dec 18 04:41:44 UTC 2018.
root@plum:~#
必要な locale を作成しておきます。
root@plum:~# dpkg-reconfigure locales
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_CTYPE to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_MESSAGES to default locale: No such file or directory
/usr/bin/locale: Cannot set LC_ALL to default locale: No such file or directory
Generating locales (this might take a while)...
en_US.UTF-8... done
ja_JP.UTF-8... done
Generation complete.
root@plum:~#
en_US, ja_JP の UTF8 だけ作成しました。
ユーザー2)を作成しておきます。sudo も実行できるよう、sudo group へ追加しておきます。
root@plum:~# adduser user1 Adding user `user1' ... Adding new group `user1' (1000) ... Adding new user `user1' (1000) with group `user1' ... Creating home directory `/home/user1' ... Copying files from `/etc/skel' ... Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Changing the user information for user1 Enter the new value, or press ENTER for the default Full Name []: MA-E3xx User Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] y root@plum:~# usermod -a -G sudo user1 root@plum:~#
従来とおなじ方式で Network の設定をしたい場合、パッケージを追加で導入しておきます。
root@plum:~# apt install ifupdown net-tools Reading package lists... Done Building dependency tree Reading state information... Done Suggested packages: ppp rdnssd The following NEW packages will be installed: ifupdown net-tools 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 220 kB of archives. After this operation, 790 kB of additional disk space will be used. Get:1 http://ports.ubuntu.com/ubuntu-ports bionic-updates/main armhf ifupdown armhf 0.8.17ubuntu1.1 [51.5 kB] Get:2 http://ports.ubuntu.com/ubuntu-ports bionic/main armhf net-tools armhf 1.60+git20161116.90da8a0-1ubuntu1 [169 kB] Fetched 220 kB in 2s (143 kB/s) E: Can not write log (Is /dev/pts mounted?) - posix_openpt (19: No such device) Selecting previously unselected package ifupdown. (Reading database ... 11107 files and directories currently installed.) Preparing to unpack .../ifupdown_0.8.17ubuntu1.1_armhf.deb ... Unpacking ifupdown (0.8.17ubuntu1.1) ... Selecting previously unselected package net-tools. Preparing to unpack .../net-tools_1.60+git20161116.90da8a0-1ubuntu1_armhf.deb ... Unpacking net-tools (1.60+git20161116.90da8a0-1ubuntu1) ... Setting up ifupdown (0.8.17ubuntu1.1) ... Created symlink /etc/systemd/system/multi-user.target.wants/networking.service → /lib/systemd/system/networking.service. Created symlink /etc/systemd/system/network-online.target.wants/networking.service → /lib/systemd/system/networking.service. Processing triggers for systemd (237-3ubuntu10.9) ... Setting up net-tools (1.60+git20161116.90da8a0-1ubuntu1) ... root@plum:~#
ssh でログインして作業する場合、ssh を導入しておきます。
root@plum:~# apt install ssh Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: krb5-locales libedit2 libgssapi-krb5-2 libk5crypto3 libkeyutils1 libkrb5-3 libkrb5support0 libpsl5 libssl1.0.0 libwrap0 libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6 libxmuu1 multiarch-support ncurses-term openssh-client openssh-server openssh-sftp-server publicsuffix python3-certifi python3-chardet python3-idna python3-pkg-resources python3-requests python3-six python3-urllib3 ssh-import-id wget xauth Suggested packages: krb5-doc krb5-user keychain libpam-ssh monkeysphere ssh-askpass molly-guard rssh ufw python3-setuptools python3-cryptography python3-openssl python3-socks The following NEW packages will be installed: krb5-locales libedit2 libgssapi-krb5-2 libk5crypto3 libkeyutils1 libkrb5-3 libkrb5support0 libpsl5 libssl1.0.0 libwrap0 libx11-6 libx11-data libxau6 libxcb1 libxdmcp6 libxext6 libxmuu1 multiarch-support ncurses-term openssh-client openssh-server openssh-sftp-server publicsuffix python3-certifi python3-chardet python3-idna python3-pkg-resources python3-requests python3-six python3-urllib3 ssh ssh-import-id wget xauth 0 upgraded, 34 newly installed, 0 to remove and 0 not upgraded. Need to get 4,145 kB of archives. After this operation, 19.1 MB of additional disk space will be used. Do you want to continue? [Y/n] ... 略 ... Creating config file /etc/ssh/sshd_config with new version Creating SSH2 RSA key; this may take some time ... 2048 SHA256:k/J+bgGuWMsUN9GNQFTJI9segZYZpEcm5J25JzuW8XM root@plum (RSA) Creating SSH2 ECDSA key; this may take some time ... 256 SHA256:247qQgDiEwrKEIVXJWHicy3LrPeVBfLhASsfbYefp/U root@plum (ECDSA) Creating SSH2 ED25519 key; this may take some time ... 256 SHA256:DsMLBgUCShnQ3DEb9ICFGGFgydPnbG8yN+rFrLVtn1E root@plum (ED25519) Created symlink /etc/systemd/system/sshd.service → /lib/systemd/system/ssh.service. Created symlink /etc/systemd/system/multi-user.target.wants/ssh.service → /lib/systemd/system/ssh.service. invoke-rc.d: could not determine current runlevel Setting up ssh (1:7.6p1-4ubuntu0.1) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Processing triggers for systemd (237-3ubuntu10.9) ... root@plum:~#
これで完了です。chroot 環境から exit し、shutdown しておきます。