Cyber security, infotech
When migrating a web service or adjusting DNS settings you may come across unexpected behavior of your site long after all errors have been fixed (or so you thought before hitting the Reload button). The hard reality is that in their quest for speed, web browsers try not to make new DNS requests they deem unnecessary. The result is much screaming&steaming from administrators who are in the middle of a job.
For workloads that don’t require a consistent CPU performance but do experience spikes in service demand, Amazon’s AWS EC2 service offers Burstable Performance Instances. Their competitive pricing can contribute to considerable savings and improve service availability, but how do you know if you are getting a good deal? You don’t, unless you are able to verify your CPU credits usage and the remaining balance. Here is how to figure out what’s really going on.
Recent revelations from the maker of networking gear Juniper Networks have shaken the industry: Juniper has identified unauthorized code in ScreenOS, its operating system that powers the NetScreen line of Juniper firewalls. Then last Friday, cryptography researchers revealed that Juniper has allowed changes to its code that could enable eavesdropping on encrypted virtual private network sessions of its customers.
If you are having trouble getting your web server to work or starting services on the system, SELinux could be at fault.