DNS服务器systemctl start named启动失败
systemctl restart? named
Job for named.service failed because the control process exited with error code. See "systemctl status named.service" and "journalctl -xe" for details.
命令:named-checkconf -z /etc/named.conf
zone linuxprobe.com/IN: NS 'ns.linuxprobe.com.linuxprobe.com' has no address records (A or AAAA)
zone linuxprobe.com/IN: not loaded due to errors.??// 沒(méi)有指定A記錄導(dǎo)致出錯(cuò)
在 /usr/lib/systemd/system/named.service 中定義了一行:
ExecStartPre=/bin/bash -c 'if [ ! "$DISABLE_ZONE_CHECKING" == "yes" ];
then /usr/sbin/named-checkconf -z "$NAMEDCONF";
else echo "Checking of zone files is disabled"; fi'
就是因?yàn)閱?dòng)?named 前會(huì)檢查?named-checkconf -z /etc/named.conf ,回應(yīng)?exit 1,所以啟動(dòng)失敗
解決方式
1. 直接用 named -u named 啟動(dòng),如果要習(xí)慣 systemctl restart named.service啟動(dòng)的話,就不要這么做了,只是暫時(shí)。
2. 改寫 ExecStartPre 檢查方式,讓它 exit 0
3.注解ExecStartPre 不檢查 zone
4. 或在 /etc/sysconfig/named 加入 DISABLE_ZONE_CHECKING=”yes”,并確認(rèn) named.service 文檔里的 EnvironmentFile 是不是長(zhǎng)這樣: EnvironmentFile=/etc/sysconfig/named,我剛看時(shí)是長(zhǎng)這樣: EnvironmentFile=-/etc/sysconfig/named (多了 – dash)。改了 named.service 后要 systemctl daemon-reload
?
總結(jié)
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