Ubuntu Server 20.04.2の初期設定 OSアップデート編
Ubuntuをインストールして時刻合わせをして安心していてはいけません。
OSのアップデートを行いましょう。
最新の状態にしておくことはセキュリティの面からも非常に大切。
※もし導入予定のアプリなどがある場合は、影響を調査してからにしましょうね。
ローカルパッケージインデックスの更新
使うコマンドは sudo apt update
アップデート可能なパッケージ数が表示されます。
| user01@ubuntuserver01:~$ sudo apt update Hit:1 http://jp.archive.ubuntu.com/ubuntu focal InRelease Get:2 http://jp.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB] Get:3 http://jp.archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB] Get:4 http://jp.archive.ubuntu.com/ubuntu focal-security InRelease [109 kB] Get:5 http://jp.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages [890 kB] Get:6 http://jp.archive.ubuntu.com/ubuntu focal-updates/universe amd64 Packages [755 kB] Fetched 1,968 kB in 2s (1,019 kB/s) Reading package lists… Done Building dependency tree Reading state information… Done 37 packages can be upgraded. Run 'apt list –upgradable’ to see them. user01@ubuntuserver01:~$ |
Ubuntuのアップデート状況の確認
使用コマンドは
sudo apt list –upgradable
| user01@ubuntuserver01:~$ sudo apt list –upgradable Listing… Done bind9-dnsutils/focal-updates 1:9.16.1-0ubuntu2.7 amd64 [upgradable from: 1:9.16.1-0ubuntu2.6] bind9-host/focal-updates 1:9.16.1-0ubuntu2.7 amd64 [upgradable from: 1:9.16.1-0ubuntu2.6] bind9-libs/focal-updates 1:9.16.1-0ubuntu2.7 amd64 [upgradable from: 1:9.16.1-0ubuntu2.6] dirmngr/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] friendly-recovery/focal-updates 0.2.41ubuntu0.20.04.1 all [upgradable from: 0.2.41] gnupg-l10n/focal-updates 2.2.19-3ubuntu2.1 all [upgradable from: 2.2.19-3ubuntu2] gnupg-utils/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gnupg/focal-updates 2.2.19-3ubuntu2.1 all [upgradable from: 2.2.19-3ubuntu2] gpg-agent/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpg-wks-client/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpg-wks-server/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpg/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpgconf/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpgsm/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] gpgv/focal-updates 2.2.19-3ubuntu2.1 amd64 [upgradable from: 2.2.19-3ubuntu2] initramfs-tools-bin/focal-updates 0.136ubuntu6.4 amd64 [upgradable from: 0.136ubuntu6.3] initramfs-tools-core/focal-updates 0.136ubuntu6.4 all [upgradable from: 0.136ubuntu6.3] initramfs-tools/focal-updates 0.136ubuntu6.4 all [upgradable from: 0.136ubuntu6.3] isc-dhcp-client/focal-updates 4.4.1-2.1ubuntu5.20.04.1 amd64 [upgradable from: 4.4.1-2.1ubuntu5] isc-dhcp-common/focal-updates 4.4.1-2.1ubuntu5.20.04.1 amd64 [upgradable from: 4.4.1-2.1ubuntu5] libnss-systemd/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] libpam-systemd/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] libsystemd0/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] libudev1/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] open-vm-tools/focal-updates 2:11.1.5-1~ubuntu20.04.2 amd64 [upgradable from: 2:11.0.5-4] pollinate/focal-updates 4.33-3ubuntu1.20.04.1 all [upgradable from: 4.33-3ubuntu1] python3-software-properties/focal-updates 0.98.9.4 all [upgradable from: 0.98.9.3] python3-twisted-bin/focal-updates 18.9.0-11ubuntu0.20.04.1 amd64 [upgradable from: 18.9.0-11] python3-twisted/focal-updates 18.9.0-11ubuntu0.20.04.1 all [upgradable from: 18.9.0-11] python3-update-manager/focal-updates 1:20.04.10.6 all [upgradable from: 1:20.04.10.5] software-properties-common/focal-updates 0.98.9.4 all [upgradable from: 0.98.9.3] systemd-sysv/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] systemd-timesyncd/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] systemd/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] udev/focal-updates 245.4-4ubuntu3.5 amd64 [upgradable from: 245.4-4ubuntu3.4] update-manager-core/focal-updates 1:20.04.10.6 all [upgradable from: 1:20.04.10.5] update-notifier-common/focal-updates 3.192.30.6 all [upgradable from: 3.192.30.5] user01@ubuntuserver01:~$ |
Ubuntuのアップデート実施
使用コマンドは sudo apt upgrade
user01@ubuntuserver01:~$ sudo apt upgrade Reading package lists… Done Building dependency tree Reading state information… Done Calculating upgrade… Done The following packages will be upgraded: bind9-dnsutils bind9-host bind9-libs dirmngr friendly-recovery gnupg gnupg-l10n gnupg-utils gpg gpg-agent gpg-wks-client gpg-wks-server gpgconf gpgsm gpgv initramfs-tools initramfs-tools-bin initramfs-tools-core isc-dhcp-client isc-dhcp-common libnss-systemd libpam-systemd libsystemd0 libudev1 open-vm-tools pollinate python3-software-properties python3-twisted python3-twisted-bin python3-update-manager software-properties-common systemd systemd-sysv systemd-timesyncd udev update-manager-core update-notifier-common 37 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 12.8 MB of archives. After this operation, 131 kB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://jp.archive.ubuntu.com/ubuntu focal-updates/main amd64 libnss-systemd amd64 245.4-4ubuntu3.5 [95.8 kB] Get:2 http://jp.archive.ubuntu.com/ubuntu focal-updates/main amd64 udev amd64 245.4-4ubuntu3.5 [1,366 kB] Get:3 http://jp.archive.ubuntu.com/ubuntu focal-updates/main amd64 libudev1 amd64 245.4-4ubuntu3.5 [81.2 kB] Get:4 http://jp.archive.ubuntu.com/ubuntu focal-updates/main amd64 systemd-sysv amd64 245.4-4ubuntu3.5 [10.3 kB] ～～～～～中略～～～～～Setting up gpg-wks-client (2.2.19-3ubuntu2.1) … Setting up update-notifier-common (3.192.30.6) … Setting up software-properties-common (0.98.9.4) … Setting up gnupg (2.2.19-3ubuntu2.1) … Setting up systemd (245.4-4ubuntu3.5) … Setting up systemd-timesyncd (245.4-4ubuntu3.5) … Setting up systemd-sysv (245.4-4ubuntu3.5) … Setting up libnss-systemd:amd64 (245.4-4ubuntu3.5) … Setting up friendly-recovery (0.2.41ubuntu0.20.04.1) … Sourcing file `/etc/default/grub’ Sourcing file `/etc/default/grub.d/init-select.cfg’ Generating grub configuration file … Found linux image: /boot/vmlinuz-5.4.0-70-generic Found initrd image: /boot/initrd.img-5.4.0-70-generic done Setting up libpam-systemd:amd64 (245.4-4ubuntu3.5) … Processing triggers for install-info (6.7.0.dfsg.2-5) … Processing triggers for libc-bin (2.31-0ubuntu9.2) … Processing triggers for man-db (2.9.1-1) … Processing triggers for dbus (1.12.16-2ubuntu2.1) … Processing triggers for initramfs-tools (0.136ubuntu6.4) … update-initramfs: Generating /boot/initrd.img-5.4.0-70-generic user01@ubuntuserver01:~$ |
これでアップデート完了です。
所用時間はNW環境に依存しますが、自分が実施した時は３分弱でした。
