cPanel & WHM update failure in upcp script

Date posted : 09/06/2019

When automatic upcp runs, there could be some errors/failures for some reason. We should take it into account and should resolve the errors.

[2019-06-09 22:40:38 +0530] E    [/usr/local/cpanel/scripts/check_unreliable_resolvers] The “/usr/local/cpanel/scripts/check_unreliable_resolvers --notify” command (process 9845) reported error number 1 when it ended.

Its because some of the dns resolvers are not working as expected.

Run below scripts to see the status.

/usr/local/cpanel/scripts/check_unreliable_resolvers
 perl: warning: Setting locale failed.
 perl: warning: Please check that your locale settings:
     LANGUAGE = (unset),
     LC_ALL = (unset),
     LC_CTYPE = "UTF-8",
     LANG = (unset)
     are supported and installed on your system.
 perl: warning: Falling back to the standard locale ("C").
 ⚠ Partial DNS resolver failure
 Resolver
 State
 1.0.0.1
 Normal
 1.1.1.1
 Normal
 2001:4860:4860::8844
 Failed
 2001:4860:4860::8888
 Failed
 Use the “Resolver Configuration” interface (https://hosting1.pheonixsolutions.com:2087/scripts2/setupresolvconf) to investigate or update the system’s DNS resolvers.
 Detailed Report:
 Resolver
 Test Host
 Responded?
 Response Time
 1.0.0.1
 amazon.com
 ✅
 0.0120463371
 1.0.0.1
 captive.apple.com
 ✅
 0.0329644680
 1.0.0.1
 connectivitycheck.android.com
 ✅
 0.0122241974
 1.0.0.1
 cpanel.com
 ✅
 0.0235133171
 1.0.0.1
 ebay.com
 ✅
 0.0122931004
 1.0.0.1
 facebook.com
 ✅
 0.0126485825
 1.0.0.1
 google.com
 ✅
 0.0121014118
 1.0.0.1
 live.com
 ✅
 0.0120797157
 1.0.0.1
 reddit.com
 ✅
 0.0125167370
 1.0.0.1
 yahoo.com
 ✅
 0.0121521950
 1.1.1.1
 amazon.com
 ✅
 0.0121262074
 1.1.1.1
 captive.apple.com
 ✅
 0.0351181030
 1.1.1.1
 connectivitycheck.android.com
 ✅
 0.0120561123
 1.1.1.1
 cpanel.com
 ✅
 0.0231454372
 1.1.1.1
 ebay.com
 ✅
 0.0122475624
 1.1.1.1
 facebook.com
 ✅
 0.0125043392
 1.1.1.1
 google.com
 ✅
 0.0121293068
 1.1.1.1
 live.com
 ✅
 0.0119185448
 1.1.1.1
 reddit.com
 ✅
 0.0120520592
 1.1.1.1
 yahoo.com
 ✅
 0.0123305321
 2001:4860:4860::8844
 amazon.com
 ⛔
 Timeout
 2001:4860:4860::8844
 captive.apple.com
 ⛔
 Timeout
 2001:4860:4860::8844
 connectivitycheck.android.com
 ⛔
 Timeout
 2001:4860:4860::8844
 cpanel.com
 ⛔
 Timeout
 2001:4860:4860::8844
 ebay.com
 ⛔
 Timeout
 2001:4860:4860::8844
 facebook.com
 ⛔
 Timeout
 2001:4860:4860::8844
 google.com
 ⛔
 Timeout
 2001:4860:4860::8844
 live.com
 ⛔
 Timeout
 2001:4860:4860::8844
 reddit.com
 ⛔
 Timeout
 2001:4860:4860::8844
 yahoo.com
 ⛔
 Timeout
 2001:4860:4860::8888
 amazon.com
 ⛔
 Timeout
 2001:4860:4860::8888
 captive.apple.com
 ⛔
 Timeout
 2001:4860:4860::8888
 connectivitycheck.android.com
 ⛔
 Timeout
 2001:4860:4860::8888
 cpanel.com
 ⛔
 Timeout
 2001:4860:4860::8888
 ebay.com
 ⛔
 Timeout
 2001:4860:4860::8888
 facebook.com
 ⛔
 Timeout
 2001:4860:4860::8888
 google.com
 ⛔
 Timeout
 2001:4860:4860::8888
 live.com
 ⛔
 Timeout
 2001:4860:4860::8888
 reddit.com
 ⛔
 Timeout
 2001:4860:4860::8888
 yahoo.com
 ⛔
 Timeout

Now check your current resolvers from /etc/resolv.conf

nameserver 1.1.1.1
nameserver 1.0.0.1

Now you either use your provider nameservers or google public DNS resolvers as mentioned below. Remove above lines and below ones

nameserver 8.8.8.8
nameserver 8.8.4.4

Now lets recheck resolvers

# /usr/local/cpanel/scripts/check_unreliable_resolvers
OK

Thanks for using pheonix solutions.

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