月: 2020年5月

$ wget https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2020-05-28/2020-05-27-raspios-buster-arm64.zip https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2020-05-28/2020-05-27-raspios-buster-arm64.zip.sha256 https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2020-05-28/2020-05-27-raspios-buster-arm64.zip.sig
$ sha256sum -c 2020-05-27-raspios-buster-arm64.zip.sha256
2020-05-27-raspios-buster-arm64.zip: OK
$ gpg --verify ./2020-05-27-raspios-buster-arm64.zip.sig
gpg: assuming signed data in './2020-05-27-raspios-buster-arm64.zip'
gpg: Signature made Thu 28 May 2020 01:05:10 PM JST
gpg:                using RSA key 54C3DD610D9D1B4AF82A37758738CD6B956F460C
gpg: Good signature from "Raspberry Pi Downloads Signing Key" [expired]
gpg: Note: This key has expired!
Primary key fingerprint: 54C3 DD61 0D9D 1B4A F82A  3775 8738 CD6B 956F 460C

$ wget https://www.raspberrypi.org/raspberrypi_downloads.gpg.key
$ gpg ./raspberrypi_downloads.gpg.key
gpg: WARNING: no command supplied.  Trying to guess what you mean ...
pub   rsa2048 2017-04-10 [SC] [expires: 2021-04-21]
      54C3DD610D9D1B4AF82A37758738CD6B956F460C
uid           Raspberry Pi Downloads Signing Key
sub   rsa2048 2017-04-10 [E] [expires: 2021-04-21]
$ gpg --import ./raspberrypi_downloads.gpg.key
gpg: key 8738CD6B956F460C: 1 signature not checked due to a missing key
gpg: key 8738CD6B956F460C: "Raspberry Pi Downloads Signing Key" 3 new signatures
gpg: Total number processed: 1
gpg:         new signatures: 3
  :
$ gpg --verify ./2020-05-27-raspios-buster-arm64.zip.sig
gpg: assuming signed data in './2020-05-27-raspios-buster-arm64.zip'
gpg: Signature made Thu 28 May 2020 01:05:10 PM JST
gpg:                using RSA key 54C3DD610D9D1B4AF82A37758738CD6B956F460C
gpg: Good signature from "Raspberry Pi Downloads Signing Key" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.

$ time zcat ./2020-05-27-raspios-buster-arm64.zip | pv | sudo dd of=/dev/sdz bs=16M conv=fdatasync
3.46GiB 0:02:34 [22.9MiB/s] [                                                                                                                                 <=>               ]
0+92723 records in
0+92723 records out
3711959040 bytes (3.7 GB, 3.5 GiB) copied, 212.594 s, 17.5 MB/s

real    3m32.613s
user    0m30.584s
sys     2m12.420s
$ sync

$ cat /proc/device-tree/model ;echo
Raspberry Pi 3 Model B Rev 1.2

$ uname -a
Linux raspberrypi 5.4.42-v8+ #1319 SMP PREEMPT Wed May 20 14:18:56 BST 2020 aarch64 GNU/Linux

$ LC_ALL=C dpkg-architecture --print-set
DEB_BUILD_ARCH=arm64; DEB_BUILD_ARCH_ABI=base; DEB_BUILD_ARCH_BITS=64; DEB_BUILD_ARCH_CPU=arm64; DEB_BUILD_ARCH_ENDIAN=little; DEB_BUILD_ARCH_LIBC=gnu; DEB_BUILD_ARCH_OS=linux;
DEB_BUILD_GNU_CPU=aarch64; DEB_BUILD_GNU_SYSTEM=linux-gnu; DEB_BUILD_GNU_TYPE=aarch64-linux-gnu; DEB_BUILD_MULTIARCH=aarch64-linux-gnu; DEB_HOST_ARCH=arm64; DEB_HOST_ARCH_ABI=ba
se; DEB_HOST_ARCH_BITS=64; DEB_HOST_ARCH_CPU=arm64; DEB_HOST_ARCH_ENDIAN=little; DEB_HOST_ARCH_LIBC=gnu; DEB_HOST_ARCH_OS=linux; DEB_HOST_GNU_CPU=aarch64; DEB_HOST_GNU_SYSTEM=li
nux-gnu; DEB_HOST_GNU_TYPE=aarch64-linux-gnu; DEB_HOST_MULTIARCH=aarch64-linux-gnu; DEB_TARGET_ARCH=arm64; DEB_TARGET_ARCH_ABI=base; DEB_TARGET_ARCH_BITS=64; DEB_TARGET_ARCH_CPU
=arm64; DEB_TARGET_ARCH_ENDIAN=little; DEB_TARGET_ARCH_LIBC=gnu; DEB_TARGET_ARCH_OS=linux; DEB_TARGET_GNU_CPU=aarch64; DEB_TARGET_GNU_SYSTEM=linux-gnu; DEB_TARGET_GNU_TYPE=aarch
64-linux-gnu; DEB_TARGET_MULTIARCH=aarch64-linux-gnu; export DEB_BUILD_ARCH DEB_BUILD_ARCH_ABI DEB_BUILD_ARCH_BITS DEB_BUILD_ARCH_CPU DEB_BUILD_ARCH_ENDIAN DEB_BUILD_ARCH_LIBC D
EB_BUILD_ARCH_OS DEB_BUILD_GNU_CPU DEB_BUILD_GNU_SYSTEM DEB_BUILD_GNU_TYPE DEB_BUILD_MULTIARCH DEB_HOST_ARCH DEB_HOST_ARCH_ABI DEB_HOST_ARCH_BITS DEB_HOST_ARCH_CPU DEB_HOST_ARCH
_ENDIAN DEB_HOST_ARCH_LIBC DEB_HOST_ARCH_OS DEB_HOST_GNU_CPU DEB_HOST_GNU_SYSTEM DEB_HOST_GNU_TYPE DEB_HOST_MULTIARCH DEB_TARGET_ARCH DEB_TARGET_ARCH_ABI DEB_TARGET_ARCH_BITS DE
B_TARGET_ARCH_CPU DEB_TARGET_ARCH_ENDIAN DEB_TARGET_ARCH_LIBC DEB_TARGET_ARCH_OS DEB_TARGET_GNU_CPU DEB_TARGET_GNU_SYSTEM DEB_TARGET_GNU_TYPE DEB_TARGET_MULTIARCH

$ dpkg-query -l|wc -l
1308

$ df -m
Filesystem     1M-blocks  Used Available Use% Mounted on
/dev/root          29938  2840     25832  10% /
devtmpfs             329     0       329   0% /dev
tmpfs                457     0       457   0% /dev/shm
tmpfs                457     1       457   1% /run
tmpfs                  5     1         5   1% /run/lock
tmpfs                457     0       457   0% /sys/fs/cgroup
/dev/mmcblk0p1       253    54       200  22% /boot
tmpfs                 92     0        92   0% /run/user/1000

$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether b8:27:eb:46:60:13 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.182/24 brd 192.168.1.255 scope global dynamic noprefixroute eth0
       valid_lft 258810sec preferred_lft 226410sec
    inet6 fe80::2979:45f7:e3bf:a4d9/64 scope link
       valid_lft forever preferred_lft forever
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether b8:27:eb:13:35:46 brd ff:ff:ff:ff:ff:ff

$ bluetoothctl
Agent registered
[bluetooth]# list
Controller B8:27:EB:EC:CA:B9 raspberrypi [default]
[bluetooth]# quit

$ pfetch/pfetch
  _____      pi@raspberrypi
 /  __ \     os     Debian GNU/Linux 10 (buster)
|  /    |    host   Raspberry Pi 3 Model B Rev 1.2
|  \___-     kernel 5.4.42-v8+
-_           uptime 52m
  --_        pkgs   1313
             memory 203M / 913M