Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base


Kernel prepatch 4.15-rc5

The 4.15-rc5 kernel prepatch is out. “This (shortened) week ended up being fairly normal for rc5, with the exception of the ongoing merging of the x86 low-level prep for kernel page table isolation that continues and is noticeable. In fact, abou… Continue Reading — Kernel...


Amazon Aurora with PostgreSQL Compatibility is Available in the EU (Paris) Region

The PostgreSQL-compatible edition of Amazon Aurora is now available in the AWS EU (Paris) region. This increases the number of available regions to nine, giving you more options for database placement, availability, and scalability.  Continue Reading — Amazon Aurora with PostgreSQL Compatibility is Available in...


Privilege escalation via eBPF in Linux 4.9 and beyond

Jann Horn has reported eight bugs in the eBPF verifier, one for the 4.9 kernel and seven introduced in 4.14, to the oss-security mailing list. Some of these bugs result in eBPF programs being able to read and write arbitrary kernel memory, thus… Continue Reading...


[$] An introduction to the BPF Compiler Collection

In the previous article of this series, I discussed how to use eBPF to safely run code supplied by user space inside of the kernel. Yet one of eBPF’s biggest challenges for newcomers is that writing programs requires compiling and linking to the… Continue Reading...


Support for Apache Spark 2.2.1 with Amazon SageMaker integration and Apache Hive 2.3.2 on Amazon EMR release 5.11.0

You can now use Apache Spark 2.2.1, Apache Hive 2.3.2, and Amazon SageMaker integration with Apache Spark on Amazon EMR release 5.11.0. Spark 2.2.1 and Hive 2.3.2 include various bug fixes and improvements. Amazon SageMaker Spark is an open-source Spar… Continue Reading — Support for...


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