Due to the decentralized structure of the domain name system, it can take up to 48 hours for your custom name servers to take effect everywhere. The DNS records will then be deactivated.
In case your Jenkins CI fails to complete building your project but only logging the following: ERROR: Maven JVM terminated unexpectedly with exit code 137 It means maven does NOT have enough memory available. To solve this, simply increase your MAVEN_OPTS memory. Or you may need to increase your system's memory. This is very likely if you run your Jenkins on a virtual machine and you are stingy of memory.
The lsof command is available only to root. Anyway, if you want to run it as a normal user, you can specify its full path: $ /usr/sbin/lsof /path/to/some/file Or $ sudo -i lsof /path/to/some/file Or else: sudo dnf install lsof Or sudo yum install lsof
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