ÇáÓí ÈÇäÇá WHM/CPanel Íá ãÔßáÉ check_unreliable_resolvers
X-From-Rewrite: unmodified, actual sender is mailnull
Resolver Configuration - Resolver DNS

Maintenance ended; however, it did not exit cleanly (256) - Partial DNS resolver failure
nameserver entry in resolve.conf resetting after restarting network services?
DNS Resolver Failure Notification IPV6? - File /etc/resolv.conf deleted on every reboot, why or what?
/etc/resolv.conf overwritten in CentOS 7 - resolv.conf keeps getting reset by something
Timeout 2001:4860:4860::8888



ÇáãÔßáÉ :

ÚäÏ Úãá update ááÓí ÈÇäÈá íÇÊì Çíãíá Çä update Êã æáßä ÇäÊåì ÈÎØÇ
Maintenance ended; however, it did not exit cleanly (256)
æÇáÓÈÈ åæ æÌæÏ DNS ÎØÇ ÏÇÎá ÇÚÏÇÏÇÊ ÇáÓíÑÝÑ

Íá ÇáãÔßáÉ ãÄÞÊÇ :



ÖÚ DNS ÌæÌá Google Ýåæ ãäÇÓÈ ááÓíÑÝÑÇÊ ÈÔßá ÊÇã
æÞã ÈÇÒÇáÉ DNS ÇáÎØÇ

ßæÏ:
nameserver 8.8.8.8
nameserver 8.8.4.4
ãáÍæÙÉ : ÈÚÏ Úãá ÑíÓÊÇÑÊ ááÓíÑÝÑ åÊÑÌÚ ÇáÞíã ãÑå ÇÎÑí ááÇÝÊÑÇÖì
ÈÓÈÈ æÌæÏ dhclient ÇáÐì íÚíÏ ÇáÞíã ãÑÉ ÇÎÑí Çì Çä dhcp åæ ÇáÓÈÈ



Íá ÇáãÔßáÉ ÈÔßá ÏÇÆã :

In CentOS 7 you will often find /etc/resolv.conf overwritten after each reboot or network service restart. It’s done the NetworkManager. If you check your resolv.conf after reboot you will see that your changes are gone
using your preferred command-line text editor (for example, vi, vim, nano

ÇÏÎá åÐÇ ÇáÇãÑ

ßæÏ:
nano /etc/sysconfig/network-scripts/ifcfg-eth1
ÞÏ ÊÍÊÇÌ ÊÚÏíá ÇáÑÞã ÈÇááæä ÇáÇÍãÑ Çáì 0 ÌÑÈ ÍÊì ÊÌÏ name server ÇãÇãß

íãßäß ÇáÊÇßÏ ãä ÇáÇÓã ÇáÕÍíÍ ááÈæÑÊ ãä åäÇ



ÊÇßÏ Çä KB ÈÇááÛÉ English áÇä ÚäÏ ßÊÇÈÉ ÍÑÝ y åíÚãá save ÇÐÇ ßÇä ÚÑÈì áä íÚãá




ãáÍæÙÉ : ÇÌÚá Dns1 æ Dns2 ÏÇÆãÇ ÌæÌá æDns3 åæ Çì ÔìÁ ÇÎÑ
ÍíË 4.2.2.2 ÞÏ íÓÈÈ ãÔÇßá Ýì ÇáÇíãíáÇÊ.

Ëã åÊÌÏ ÈÏÇÎáå dhcp Èå Þíã name servers ÚÏá ÇáãØáæÈ

Ëã ÚÏáå ÇíÖÇ åäÇ

ßæÏ:
nano /etc/resolv.conf

ÇáãÑÌÚ:
https://support.cpanel.net/hc/en-us/...via-WHM-or-SSH
https://unix.stackexchange.com/quest...ting-network-s
https://forums.cpanel.net/threads/ot...ervers.619975/
https://forums.cpanel.net/threads/re...etting.588027/
https://forums.cpanel.net/threads/ma...ly-256.640005/
https://support.cpanel.net/hc/en-us/...-when-it-ended
https://www.quora.com/What-is-a-4-2-2-2-DNS
https://docs.cpanel.net/whm/networki...configuration/