Category: System (系统)

步骤一：显示现在的系统版本

# 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/"

（注意：确保显示的系统版本是 openSUSE Leap 15.4）

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/15.4/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/

（
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

3) 其中，Main Repository、Main Update Repository、Update repository of openSUSE Backports 和 Update repository with updates from SUSE Linux Enterprise 15 软件库是必须要有的，其他的软件库可以去掉

）

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 15.4 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/15.4/${releasever}/g' /etc/zypp/repos.d/*.repo

步骤三：升级系统

3.1 将版本号设置为 15.5 并刷新

# zypper --releasever=15.5 refresh

3.2 提前下载并安装 openSUSE Leap 15.5 所需的软件包

# zypper --releasever=15.5 dup --download-in-advance

3.3 升级系统

# zypper --releasever=15.5 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="15.5"
ID="opensuse-leap"
ID_LIKE="suse opensuse"
VERSION_ID="15.5"
PRETTY_NAME="openSUSE Leap 15.5"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:leap:15.5"
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/15.5/repo/non-oss/
2  | repo-oss                  | Main Repository                                              | Yes     | (r ) Yes  | Yes     |   99     | rpm-md | http://download.opensuse.org/distribution/leap/15.5/repo/oss/
3  | repo-update               | Main Update Repository                                       | Yes     | (r ) Yes  | Yes     |   99     | rpm-md | http://download.opensuse.org/update/leap/15.5/oss/
4  | repo-update-non-oss       | Update Repository (Non-Oss)                                  | Yes     | (r ) Yes  | Yes     |   99     | rpm-md | http://download.opensuse.org/update/leap/15.5/non-oss/
5  | repo-backports-update     | Update repository of openSUSE Backports                      | Yes     | (r ) Yes  | Yes     |   99     | rpm-md | http://download.opensuse.org/update/leap/15.5/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/15.5/sle/

（补充：其中，Main Repository、Main Update Repository、Update repository of openSUSE Backports 和 Update repository with updates from SUSE Linux Enterprise 15 软件库是必须要有的，其他的软件库可以去掉）