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


Gregg: perf sched for Linux CPU scheduler analysis

Brendan Gregg shows how to do scheduler profiling with the perf sched command. “perf sched timehist was added in Linux 4.10, and shows the scheduler latency by event, including the time the task was waiting to be woken up (wait time) and the sch… Continue...


EBS Support Implications for Discoverer 11gR1 in June 2017

What happens to Discoverer support in June 2017? The Oracle Lifetime Support Policy: Oracle Fusion Middleware Products document states: Premier Support for Discoverer 11gR1 ended on June 30, 2014.  Extended Support for Discoverer 11… Continue Reading — EBS Support Implications for Discoverer 11gR1 in June...


Security updates for Friday

Security updates have been issued by Arch Linux (linux-zen), Debian (calibre, libdatetime-timezone-perl, tzdata, wireshark, and wordpress), Fedora (icoutils and tcpreplay), Mageia (wavpack), openSUSE (dracut and qemu), and SUSE (firefox and xen)… Continue Reading — Security updates for Friday


The end of the line for EPEL-5

The remaining users of RHEL 5 (and derivatives) will want to know that maintenance of the EPEL-5 repository is coming to an end. “In the end, EPEL-5 went live sometime in April of 2007 and over the next 10 years grew to a repository of over...


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