需要 openSUSE Leap 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Ledest:misc/openSUSE_Leap_15.6/home:Ledest:misc.repo
zypper refresh
zypper install libressl
需要 openSUSE Leap 15.5 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Ledest:misc/openSUSE_Leap_15.5/home:Ledest:misc.repo
zypper refresh
zypper install libressl
需要 openSUSE Leap 15.4 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:Ledest:misc/openSUSE_Leap_15.4/home:Ledest:misc.repo
zypper refresh
zypper install libressl