電気回路/z-turn/Linuxの設定 のバックアップ差分(No.2)
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[[公開メモ]] #contents * インストール直後のバージョン [#d5836972] DVD のディスクイメージに含まれる Ubuntu のバージョン LANG:console $ uname --all Linux localhost.localdomain 3.15.0-xilinx #9 SMP PREEMPT Tue May 26 17:26:14 CST 2015 armv7l armv7l armv7l GNU/Linux $ gcc --version gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 Copyright (C) 2011 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ cat /etc/apt/sources.list deb http://ports.ubuntu.com/ubuntu-ports/ precise main restricted deb-src http://ports.ubuntu.com/ubuntu-ports/ precise main restricted # deb http://ports.ubuntu.com/ubuntu-ports/ precise-updates main restricted deb-src http://ports.ubuntu.com/ubuntu-ports/ precise-updates main restricted # deb http://ports.ubuntu.com/ubuntu-ports/ precise-security main restricted deb-src http://ports.ubuntu.com/ubuntu-ports/ precise-security main restricted ふむ。 Ubuntu のバージョンは - precise (12.04LTS, Linux kernel 3.2) https://ja.wikipedia.org/wiki/Ubuntu によればまだギリギリサポートは続いているけれど、 それも今年 2017 年の４月までなので、早めに - trusty (14.04 LTS, Linux Kernel 3.13) あるいは - xenial (16.04 LTS, Linux Kernel 4.3) に上げたい ちなみに Debian は - wheezy が Linux 3.2 - jessie が Linux 3.16 - stretch が Linux >= 4.8 * アップグレード [#z76ec192] LANG:console $ su $ apt-get update $ apt-get upgrade ... 679 upgraded, 0 newly installed, 0 to remove and 22 not upgraded. Need to get 306 MB of archives. After this operation, 96.2 MB of additional disk space will be used. ... update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-1412-omap4 grep: /boot/config-3.2.0-1412-omap4: No such file or directory WARNING: missing /lib/modules/3.2.0-1412-omap4 Device driver support needs thus be built-in linux image! WARNING: Couldn't open directory /lib/modules/3.2.0-1412-omap4: No such file or directory FATAL: Could not open /lib/modules/3.2.0-1412-omap4/modules.dep.temp for writing: No such file or directory update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-1412-omap4 grep: /boot/config-3.2.0-1412-omap4: No such file or directory WARNING: missing /lib/modules/3.2.0-1412-omap4 Device driver support needs thus be built-in linux image! WARNING: Couldn't open directory /lib/modules/3.2.0-1412-omap4: No such file or directory FATAL: Could not open /lib/modules/3.2.0-1412-omap4/modules.dep.temp for writing: No such file or directory FATAL: Could not load /lib/modules/3.2.0-1412-omap4/modules.dep: No such file or directory cryptsetup: WARNING: could not determine root device from /etc/fstab $ $ apt-get dist-upgrade 22 upgraded, 9 newly installed, 0 to remove and 0 not upgraded. Need to get 44.9 MB of archives. After this operation, 135 MB of additional disk space will be used. そのままやると時間が掛かりすぎるので、いらないパッケージを抜いてからの方がよかった。。。 LANG:console $ apt-get purge libx11-6 xserver-xorg-core linux-sound-base $ apt-get autoremove これでいいかな？ * ユーザー作成 & sshd 起動 [#f238d94e] 走査をミスってシステムを壊してしまったり 操作をミスってシステムを壊してしまったりしないように、 普段は一般ユーザーのアカウントで作業したい。 LANG:console $ adduser osamu $ $ gpasswd -a osamu sudo $ apt-get install openssh-server * いくつか必須アプリを入れる [#j85b2dec] LANG:console $ apt-get install jed-common etckeeper * Example を試してみる [#yd39f572] ** led-test [#ff141338] (DVD)/04-Linux_Source/Examples/leds から、 - led-test.c - Makefile を ~/z-turn/led-test/ へコピー LANG:console $ make これだけで led-test という実行ファイルができる。 root 以外で実行しようとするとエラーになるので、sudo しなければならない。 LANG:console $ ./led-test [usr_led1] Get trigger: 'none' Open /sys/class/leds/usr_led1/trigger failed! $ sudo ./led-test sudo: unable to resolve host localhost.localdomain [usr_led1] Get trigger: 'none' [usr_led1] Set trigger to 'none' [usr_led2] Get trigger: 'none' [usr_led2] Set trigger to 'none' [ led_r] Get trigger: 'none' [ led_r] Set trigger to 'none' [ led_g] Get trigger: 'none' [ led_g] Set trigger to 'none' [ led_b] Get trigger: 'none' [ led_b] Set trigger to 'none' ^C[usr_led1] Set trigger to 'none' [usr_led2] Set trigger to 'none' [ led_r] Set trigger to 'none' [ led_g] Set trigger to 'none' [ led_b] Set trigger to 'none' $ sudo chown root:root led-test sudo: unable to resolve host localhost.localdomain $ sudo chmod u+s led-test $ sudo chmod o+x led-test $ ./led-test [usr_led1] Get trigger: 'none' [usr_led1] Set trigger to 'none' [usr_led2] Get trigger: 'none' [usr_led2] Set trigger to 'none' [ led_r] Get trigger: 'none' [ led_r] Set trigger to 'none' [ led_g] Get trigger: 'none' [ led_g] Set trigger to 'none' [ led_b] Get trigger: 'none' [ led_b] Set trigger to 'none' ^C[usr_led1] Set trigger to 'none' [usr_led2] Set trigger to 'none' [ led_r] Set trigger to 'none' [ led_g] Set trigger to 'none' [ led_b] Set trigger to 'none' セット uid しておかないと、実行に sudo が必要になるようだ。 * trusty へ dist-update [#d98492ac] ディスクイメージのバックアップを取ったのち、 /etc/apt/sources.list の precise をすべて trusty に直して LANG:console $ apt-get update $ apt-get upgrade $ apt-get dist-update $ apt-get autoremove ** warning: Setting locale failed への対処 [#z4935946] http://d.hatena.ne.jp/tkrd/20120828/1346123699 LANG:console $ apt-get install language-pack-ja-base tera term の設定もいじってみたけれど、なかなか消えない・・・ ** cryptsetup: WARNING: could not determine root device from /etc/fstab への対処 [#y3ac2056]
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