步骤一:显示现在的系统版本
# cat /etc/*release*
NAME="openSUSE Leap"
VERSION="15.3"
ID="opensuse-leap"
ID_LIKE="suse opensuse"
VERSION_ID="15.3"
PRETTY_NAME="openSUSE Leap 15.3"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:leap:15.3"
BUG_REPORT_URL="https://bugs.opensuse.org"
HOME_URL="https://www.opensuse.org/"
(注意:确保显示的系统版本是 openSUSE Leap 15.3)
步骤二:准备升级
2.1 确认已使用的软件库
# zypper ls -d
# | Alias | Name | Enabled | GPG Check | Refresh | Priority | Type | URI
---+---------------------------+------------------------------------+---------+-----------+---------+----------+--------+---------------------------------------------------------------------------------------------
1 | repo-non-oss | Non-OSS Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.3/repo/non-oss/
2 | repo-oss | Main Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.3/repo/oss/
3 | repo-update | Main Update Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.3/oss/
4 | repo-update-non-oss | Update Repository (Non-Oss) | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.3/non-oss/
5 | repo-backports-update | Update repository of openSUSE Backports | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.3/backports/
6 | repo-sle-update | Update repository with updates from SUSE Linux Enterprise 15 | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.3/sle/
(
补充:
1) 确保以上软件库已处于 Enabled 状态
2) 手动启动这些软件库的命令如下
# zypper ar -fcg http://download.opensuse.org/distribution/leap/${releasever}/repo/non-oss/ Non-OSS Repository
# zypper ar -fcg http://download.opensuse.org/distribution/leap/${releasever}/repo/oss/ Main Repository
# zypper ar -fcg http://download.opensuse.org/update/leap/${releasever}/oss/ Main Update Repository
# zypper ar -fcg http://download.opensuse.org/update/leap/${releasever}/non-oss/ Update Repository (Non-Oss)
# zypper ar -fcg http://download.opensuse.org/update/leap/${releasever}/backports/ Update repository of openSUSE Backports
# zypper ar -fcg http://download.opensuse.org/update/leap/${releasever}/sle/ Update repository with updates from SUSE Linux Enterprise 15
)
2.2 刷新已使用的软件库
# zypper ref
(注意:确保刷新成功,否则请检查网络)
2.3 将所有 openSUSE Leap 15.3 软件包更新到最新版本
# zypper -n update
2.4 用 releasever 变量替换所有版本号
# sed -i 's/15.3/${releasever}/g' /etc/zypp/repos.d/*.repo
步骤三:升级系统
3.1 将版本号设置为 15.4 并刷新
# zypper --releasever=15.4 refresh
3.2 提前下载并安装 openSUSE Leap 15.4 所需的软件包
# zypper --releasever=15.4 dup --download-in-advance
3.3 升级系统
# zypper --releasever=15.4 dup
3.4 重启系统
# reboot
步骤四:后续检查
4.1 显示升级后的系统版本
# cat /etc/*release*
NAME="openSUSE Leap"
VERSION="15.4"
ID="opensuse-leap"
ID_LIKE="suse opensuse"
VERSION_ID="15.4"
PRETTY_NAME="openSUSE Leap 15.4"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:leap:15.4"
BUG_REPORT_URL="https://bugs.opensuse.org"
HOME_URL="https://www.opensuse.org/"
4.2 显示升级后已使用的软件库
# zypper ls -d
# | Alias | Name | Enabled | GPG Check | Refresh | Priority | Type | URI
---+---------------------------+------------------------------------+---------+-----------+---------+----------+--------+---------------------------------------------------------------------------------------------
1 | repo-non-oss | Non-OSS Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.4/repo/non-oss/
2 | repo-oss | Main Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/distribution/leap/15.4/repo/oss/
3 | repo-update | Main Update Repository | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.4/oss/
4 | repo-update-non-oss | Update Repository (Non-Oss) | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.4/non-oss/
5 | repo-backports-update | Update repository of openSUSE Backports | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.4/backports/
6 | repo-sle-update | Update repository with updates from SUSE Linux Enterprise 15 | Yes | (r ) Yes | Yes | 99 | rpm-md | http://download.opensuse.org/update/leap/15.4/sle/