linux · ppc64le · x86_64

linux: setting the performance of the CPU

Install kernel-tools:   Check what are the available governors:   Set the desired governor: To manage it via GUI you can install the Gnome Shell Extension called CPU Power Manager.

java · linux · ppc64le · x86_64

linux: locate your current JAVA_HOME

First install openjdk-8-jdk-headless:   Then execute:  

linux · openstack · python · x86_64

x86_64: installing openstackclient on Fedora26

Follow the steps below to install openstackclient on your Fedora 26 (x86_64):

linux · ppc64le · x86_64

linux: recursively downloading files from a FTP server protected by a robot

I needed to recursively download a set of files from a ftp server. As usual, my first option was to use wget to execute this job. When I issued the command, the following interesting message showed up: Note: I replaced the original FTP for <ftp_location>. Instead of downloading the files I wanted, it downloaded a file… Continue reading linux: recursively downloading files from a FTP server protected by a robot

linux · ppc64le · x86_64

opensource: setup simulator

The IBM SDK Team, which I lead, is open sourcing its tools. The first one installs and configures the IBM POWER Functional Simulator. You can get it here 

linux · ppc64le · x86_64

linux: find out file permissions numbers

When dealing with file on Linux you eventually will handle file permissions in multiple situations. Although the default permission schema shown by the command ls tends to be more intuitive given its verbosity, using a more simple view based on the permissions number might be faster (if you are familiar with it). For example, lets take… Continue reading linux: find out file permissions numbers

linux · ppc64le · x86_64


  If you face this kind of problem on Debian 8: Use the following solution:

linux · power · ppc64le · python · x86_64

linux: libclang on Ubuntu

libclang is the C/C++ Interface to Clang. In order to avoid the following error: Use one of the solutions below, according your architecture: On x86_64: On ppc64le: More about Clang can be found at


x86_64: Intel’s endless tock tock tock

Tick-Tock is a model used by Intel to follow every change to the micro-architecture[1] with a die shrink of the process technology. Every tick represents a shrinking of the process technology of the previous micro-architecture and every tock designated a new micro architecture. According Seeking Alpha, Intel is stuck on tock and won’t move to… Continue reading x86_64: Intel’s endless tock tock tock