13 articles Uncategorized

ARM Processors land in a Supercomputer – First Petascale supercomputer built by Perspecta [HP] for Sandia Labs.

Sandia National Laboratories will soon be taking delivery of the world’s most powerful supercomputer using ARM processors. The system, known as Astra, is being built by Hewlett Packard Enterprise (HPE) and will deliver 2.3 petaflops of peak performance when it’s installed later this year. “Sandia National Laboratories has been an active partner in leveraging our…

This may end the likes of Facebook’s social networking giants disinformation enterprise….

To download whitepaper: Download On the lines of EU’s GDPR (General Data Protection Regulation). Regulating and decentralizing social netoworks like Facebook, Twitter, Linkedin and Youtube.  Senator Warner wants legislation that will allow social networks that have the capacity to “promote disinformation that undermines trust in our institutions, democracy, free press, and markets. You will have…

How to reduce or shrink the size of LVM partition ? 

Below are the logical Steps to reduce size of LVM partition :  -Umount the filesystem using umount command,  -use resize2fs command , e.g resiz2fs /dev/mapper/myvg-mylv 10G  -Now use the lvreduce command , e.g lvreduce -L 10G /dev/mapper/myvg-mylv  Above Command will shrink the size & will make the filesystem size 10GB.    How to create partition from the raw disk ?  Ans: Using fdisk utility we can create partitions…

HowTo Find commands in Linux

Practical Linux Find Command Examples  In this article, let us review 15 practical examples of Linux find command that will be very useful to both newbies and experts. First, create the following sample empty files under your home directory to try some of the find command examples mentioned below.  # vim create_sample_files.sh  touch MybashProgram.sh  touch mycprogram.c …

What does Sar provide? Where are Sar logs stored?

Sar collects, reports, or saves system activity information, sar serves to log and evaluate a variety of information regarding system activity. With performance problems, sar also permits retroactive analysis of the load values for various sub-systems (CPUs, memory, disks, interrupts, network interfaces and so forth) and limitation of problems in this manner. If CPU utilization…