Gitlab升级,有非常固定的路线,请参考:《gitlab升级路线》。 如果跨版本升级,就会报错: (Reading database ... 125983 files and directories currently installed.) Preparing to unpack .../gitlab-ce_15.1.2-ce.0_amd64.deb ... gitlab preinstall: It seems you are upgrading from major version 14 to major …