文件操作 - ubuntu-pro-esm-apps
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文件: /etc/apt/preferences.d/ubuntu-pro-esm-apps
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# This file is used by Ubuntu Pro and supplied by the ubuntu-pro-client # package. It has no effect if Ubuntu Pro services are not in use since no # other apt repositories are expected to match o=UbuntuESMApps. # # Pin esm-apps packages to a slightly higher value than the default, # so those are preferred over a non-ESM package from the archive when the # service is enabled. Package: * Pin: release o=UbuntuESMApps Pin-Priority: 510
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