README: document what to do with the NSS modules
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README
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README
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@ -201,6 +201,27 @@ USERS AND GROUPS:
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Similarly, the kdbus dbus1 proxy daemon requires the
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Similarly, the kdbus dbus1 proxy daemon requires the
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"systemd-bus-proxy" system user and group to exist.
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"systemd-bus-proxy" system user and group to exist.
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NSS:
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systemd ships with three NSS modules:
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nss-myhostname resolves the local hostname to locally
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configured IP addresses, as well as "localhost" to
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127.0.0.1/::1.
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nss-resolve enables DNS resolution via the systemd-resolved
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DNS/LLMNR caching stub resolver "systemd-resolved".
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nss-mymachines enables resolution of all local containers
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registered with machined to their respective IP addresses.
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To make use of these NSS modules, please add them to the
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"hosts: " line in /etc/nsswitch.conf. The "resolve" module
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should replace the glibc "dns" module in this file.
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The three modules should be used in the following order:
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hosts: files mymachines resolve myhostname
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WARNINGS:
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WARNINGS:
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systemd will warn you during boot if /etc/mtab is not a
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systemd will warn you during boot if /etc/mtab is not a
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symlink to /proc/mounts. Please ensure that /etc/mtab is a
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symlink to /proc/mounts. Please ensure that /etc/mtab is a
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