![]() Remedy this by opening the /etc/hosts file in your editor, and changing the hostname for second entry/line 127.0.0.1 to the same name that is in the /etc/hostname file. To resolve this, the National WebLogic server port. The problem is caused when one of the loopback addresses does not have the proper hostname assigned, or has no name assigned, or there is only one line for this address. Java Messaging Service A Local JMS send will timeout if it is unable to connect to the National JMS server. There should be two entries for the loopback address (127.0.0.1). 1 Answer Sorted by: 5 Sometimes, even if youve changed the host name via raspi-config, the settings dont stick.check your /etc/hosts file you may see something like this:.get your hostname from /etc/hostname, or:.I don't know what causes this issue, but here's something that may fix it: Sudo: unable to resolve host : Name or service not known failed if hostname is not FQDN 1649868 - Various updates for RHEL-7.7 - many. Heres an example: sudo ps -ef sudo: unable to resolve host domU- Where is a number. Resolves: Bug 1653163 - certmap fails when Issuer DN has comma in name. ![]() In other words, the command executes as it should, but the annoying error message appears after each use of sudo: I have a server on amazon which normally runs like a champ after increasing the instance size this weekend, then decreasing it back down to its normal size, Ive started to get odd errors every time I run a command under sudo. Sudo: unable to resolve host the_name: Name or service not knownÄ upgraded, 0 newly installed, 0 to remove and 0 not upgraded. The problem manifests itself when a command is issued under sudo. ![]()
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