- 参考記事
- 本稿で作成したスクリプトのリポジトリ
- (1) CentOS 7 → CentOS 8
# ros console switch centos -f
# rpm -qa > original_package_list (元のパッケージリストを保存しておく)
# yum -y install epel-release yum-utils
# yum -y install dnf # yum clean all
# dnf -y remove yum yum-metadata-parser
# rm -Rf /etc/yum /var/cache/yum
# dnf -y upgrade
# dnf -y install https://vault.centos.org/8.5.2111/BaseOS/x86_64/os/Packages/centos-{linux-release-8.5-1.2111,linux-repos-8-3,gpg-keys-8-3}.el8.noarch.rpm
# sed -i -r 's/\bmirrorlist=/#mirrorlist=/' /etc/yum.repos.d/CentOS-Linux-*.repo
# sed -i -r "s/#baseurl=http:\/\/mirror/baseurl=http:\/\/vault/" /etc/yum.repos.d/CentOS-Linux-*.repo
# dnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync - (2) CentOS 8 → Almalinux 8
# wget https://raw.githubusercontent.com/AlmaLinux/almalinux-deploy/master/almalinux-deploy.sh
# vi almalinux-deploy.sh
これを以下のように修正する。
diff -Nc almalinux-deploy.sh almalinux-deploy.sh
*** almalinux-deploy.sh 2023-01-18 13:28:28.096019365 +0000
--- almalinux-deploy.sh 2023-01-18 13:31:35.712659621 +0000
***************
*** 1014,1021 ****
local panel_version
assert_run_as_root
arch="$(get_system_arch)"
! os_type="$(get_os_release_var 'ID')"
! os_version="$(get_os_version "${os_type}")"
#os_version="$(get_os_release_var 'VERSION_ID')"
#os_version="${os_version:0:1}"
assert_supported_system "${os_type}" "${os_version}" "${arch}"
--- 1014,1021 ----
local panel_version
assert_run_as_root
arch="$(get_system_arch)"
! os_type="centos"
! os_version="8"
#os_version="$(get_os_release_var 'VERSION_ID')"
#os_version="${os_version:0:1}"
assert_supported_system "${os_type}" "${os_version}" "${arch}"
***************
*** 1070,1082 ****
restore_alternatives
restore_issue
# don't do this steps if we inside the lxc container
! if [ $is_container -eq 0 ]; then
! install_kernel
! grub_update
! reinstall_secure_boot_packages
! add_efi_boot_record
! fi
! check_custom_kernel
save_status_of_stage "completed"
printf '\n\033[0;32mMigration to AlmaLinux is completed\033[0m\n'
}
--- 1070,1082 ----
restore_alternatives
restore_issue
# don't do this steps if we inside the lxc container
! #if [ $is_container -eq 0 ]; then
! #install_kernel
! #grub_update
! #reinstall_secure_boot_packages
! #add_efi_boot_record
! #fi
! #check_custom_kernel
save_status_of_stage "completed"
printf '\n\033[0;32mMigration to AlmaLinux is completed\033[0m\n'
}
# chmod -v +x almalinux-deploy.sh
# ./almalinux-deploy.sh
- (3) Almalinux 8 → Almalinux 9
# dnf install -y https://repo.almalinux.org/almalinux/9.1/BaseOS/x86_64/os/Packages/almalinux-{gpg-keys,release,repos}-9.1-1.9.el9.x86_64.rpm
# dnf install -y epel-release-9
# dnf -y --releasever=9 --allowerasing --setopt=deltarpm=false distro-sync --skip-broken # rpm --rebuilddb
# cp /var/lib/rpmrebuilddb.xxxx/* /var/lib/rpm
# dnf -y module reset perl perl-IO-Socket-SSL perl-libwww-perl
(以下、元のconsole imageに入っていないパッケージを削除)
# rpm -e compat-openssl10 dbus-daemon dbus-tools dnf-plugins-core ed elfutils-debuginfod-client file freetype fuse-libs gawk-all-langpacks gettext gettext-libs glibc-gconv-extra gnupg2-smime graphite2 grub2-common grub2-tools grub2-tools-efi grub2-tools-extra grub2-tools-minimal grubby harfbuzz hwdata kbd-legacy libcroco libmetalink libnsl libpng libusbx libxcrypt-compat libxkbcommon make memstrack openssl-pkcs11 os-prober patch pciutils pciutils-libs perl-AutoLoader perl-B perl-Data-Dumper perl-Digest perl-Digest-MD5 perl-FileHandle perl-IO-Socket-IP perl-IO-Socket-SSL perl-Mozilla-CA perl-NDBM_File perl-Net-SSLeay perl-URI perl-Unicode-Normalize perl-base perl-libnet protobuf-c python-unversioned-command python3-dateutil python3-dbus python3-dnf-plugins-core python3-six python3-unbound rdma-core rpm-plugin-systemd-inhibit trousers trousers-lib unbound-libs xkeyboard-config
# rpm -e `rpm -qa | grep el7`
# rpm -e `rpm -qa | grep el8`
# ln -sf /usr/bin/ros /sbin/shutdown （元のsymlinkの修復）
# shutdown -r now