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38 lines
1.2 KiB
Bash
Executable File
38 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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# dns.sh -- DNS helper for zjuer
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#
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# Copyright (C) 2014 Zeno Zeng <zenoofzeng@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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zju_test_and_set_up_dns () {
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until [ -z "$1" ]
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do
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dig baidu.com @$1 +time=1 > /dev/null && echo "$1 ... ok" && echo "nameserver $1" > /etc/resolv.conf && break
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echo "$1 ... fail"
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shift
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done
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}
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# 浙大的DNS不是很稳定，这里列了备用方案
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# 官方 > 10.12.10.12 > Senorsen (QSC Server) DNS > 114 DNS
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zju_test_and_set_up_dns \
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$1 \
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10.10.0.21 10.10.0.22 10.10.0.23 \
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10.12.10.12 \
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10.202.68.73 \
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114.114.114.114
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