✏️ 正在编辑: 0000usepeerdns
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/snap/core/17292/etc/ppp/ip-up.d/0000usepeerdns
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#!/bin/sh -e # this variable is only set if the usepeerdns pppd option is being used [ "$USEPEERDNS" ] || exit 0 # exit if the resolvconf package is installed [ -x /sbin/resolvconf ] && exit 0 # create the file if it does not exist if [ ! -e /etc/resolv.conf ]; then : > /etc/resolv.conf fi # follow any symlink to find the real file REALRESOLVCONF=$(readlink --canonicalize /etc/resolv.conf) # merge the new nameservers with the other options from the old configuration { cat /etc/ppp/resolv.conf grep --invert-match '^nameserver[[:space:]]' "$REALRESOLVCONF" || true } > "$REALRESOLVCONF.tmp" # backup the old configuration and install the new one cp -a "$REALRESOLVCONF" "$REALRESOLVCONF.pppd-backup.$PPP_IFACE" mv -f "$REALRESOLVCONF.tmp" "$REALRESOLVCONF" # restart nscd because resolv.conf has changed if [ -e /var/run/nscd.pid ]; then /etc/init.d/nscd restart || true fi exit 0
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