NSS-RESOLVE(8) nss-resolve NSS-RESOLVE(8) (NAME) nss-resolve - systemd-resolved (SYNOPSIS) libnss_resolve.so.2 (DESCRIPTION) nss-resolve (plug-in) (NSS Name Service Switch) (glibc) systemd-resolved(8) . nss-dns DNS . NSS "resolve [!UNAVAIL=return]" "hosts:" /etc/nsswitch.conf . "resolve" "hosts:" /etc/nsswitch.conf . "files" systemd-resolved (caching) /etc/hosts . "mymachines" DNS . "dns" "resolve" systemd-resolved.service nss-dns . systemd-resolved DNS / (synthesize) "localhost" systemd-resolved(8) . nss-myhostname(8) ( ) nss-myhostname /etc/nsswitch.conf systemd-resolved . nss-myhostname ( nss-resolve) -- IP . DNS . nss-resolve systemd-resolved.service AF_UNIX /run/systemd/resolve/io.systemd.Resolve . (ENVIRONMENT VARIABLES) $SYSTEMD_NSS_RESOLVE_VALIDATE (boolean) . (false) DNSSEC . . 250. $SYSTEMD_NSS_RESOLVE_SYNTHESIZE . (false) / . SYNTHETIC RECORDS systemd- resolved.service(8) . <<>> . 250. $SYSTEMD_NSS_RESOLVE_CACHE . (false) (cache) systemd-resolved(8) . 250. $SYSTEMD_NSS_RESOLVE_ZONE . (false) LLMNR/mDNS . 250. $SYSTEMD_NSS_RESOLVE_TRUST_ANCHOR . (false) (trust anchors) . 250. $SYSTEMD_NSS_RESOLVE_NETWORK . (false) systemd-resolved(8). 250. $SYSTEMD_NSS_RESOLVE_INTERFACE (index) . . 260. (EXAMPLE) /etc/nsswitch.conf nss-resolve : passwd: files systemd group: files [SUCCESS=merge] systemd shadow: files systemd gshadow: files systemd hosts: mymachines resolve [!UNAVAIL=return] files myhostname dns networks: files protocols: db files services: db files ethers: db files rpc: db files netgroup: nis (SEE ALSO) systemd(1), systemd-resolved(8), nss-systemd(8), nss-myhostname(8), nss-mymachines(8), nsswitch.conf(5), systemd.syntax(7) systemd 261.2 NSS-RESOLVE(8)