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install_easy: system DNS test first

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bol-van 2021-11-24 19:08:33 +03:00
parent c066cf03cc
commit 37d2cf5989
1 changed files with 13 additions and 1 deletions
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14
install_easy.sh
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@ -913,10 +913,15 @@ pingtest()
{
ping -c 1 -W 1 $1 >/dev/null
}
dnstest()
{
# $1 - dns server. empty for system resolver
nslookup w3.org $1 >/dev/null 2>/dev/null
}
find_working_public_dns()
{
for dns in $DNSCHECK_DNS; do
pingtest $dns && nslookup w3.org $dns >/dev/null 2>/dev/null && {
pingtest $dns && dnstest $dns && {
PUBDNS=$dns
return 0
}
@ -943,6 +948,13 @@ check_dns()
echo \* checking DNS
[ -f "$DNSCHECK_DIGS" ] && rm -f "$DNSCHECK_DIGS"
dnstest || {
echo -- DNS is not working. It's either misconfigured or blocked or you don't have inet access.
return 1
}
echo system DNS is working
if find_working_public_dns ; then
echo comparing system resolver to public DNS : $PUBDNS
for dom in $DNSCHECK_DOM; do