luni, 28 august 2017

Fedora 26 : the MuseScore software.

The development team come with this option for us:
Create, play and print beautiful sheet music

Is about the MuseScore software and music.

  • First, this software come with this features: 
  • Professional music notation software 
  • Completely free, no limitations 
  • Easy to use, yet powerful 
  • Open source Input via MIDI keyboard 
  • Transfer to and from other programs via MusicXML, MIDI and more
You can also make an account on the official website or just use the software. I simply installed it in Fedoar 26 with the dnf tool .
# dnf install mscore
The result is working well, see the next image:

marți, 15 august 2017

Google - all features and options .

Not all Google options are available for all countries.
You should make a selection option depending on country and availability.
This will relieve us of unsuccessful attempts and queries to Google.
Here are all the Google options available now .

luni, 7 august 2017

Faces of Open Source - website .

I have just discovered today this website named FACES OF OPEN SOURCE.
The development team tell us: Faces of Open Source is an on-going photographic documentation of the people behind the development and advancement of the open source revolution that has transformed the technology industry.
The area is:

  • UNIX 
  •  BSD 
  •  Linux
  •  Languages 
  •  X Windows
They also want to get a book on this subject.

sâmbătă, 5 august 2017

Fedora 26 : Firefox Test Pilot send large files.

This tool from Firefox team let you to send you upload and encrypt large files (up to 1GB) to share online.
This creates a link to pass along to whoever you want.
Each link created by Send will expire after 1 download or 24 hours, and all sent files will be automatically deleted from the Send server.
Also the Firefox Test Pilot send does not require an add-on, and can be used in any modern browser.
See the next video from official youtube channel.

marți, 1 august 2017

Fedora 26 : install Google Chrome.

Today I try to install Google Chrome on Fedora 26.
As you know this is one of the fastest and most well liked browsers available.
First I download of the rpm file into my Downloads folder and the I used dnf command to install into Fedora 26:
$ cd ~/Downloads
$ wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm
$ su 
# dnf install google-chrome-stable_current_x86_64.rpm
The result, the Google Chrome browser is installed and run well.

Fedora 26 : reset root password .

Although most believe that they know the answer to this question then in Fedora 26 you have to adopt a method other than the classic one.
Start with select the boot line and press e key to edit.
Find the line with linux16 and add this on the end of this row:

rd.break
Press Ctr+x or F10 keys to reboot.
#mount | grep root
#mount -o remount,rw /sysroot
#mount | grep root
#chroot /sysroot/
#passwd root
...
#touch /.autorelabel
#exit
#reboot

Now you can use the new password for user root to login the system.
I try the old way with init=/bin/bash but I got a panic kernel ( maybe is the SELinux performs a complete file system relabel).
Anyway this solve my problem with reset the root password on Fedora 26 Server.

About rd.break, this interrupt the boot process before control is passed from initramfs to systemd.
The disadvantage of this method is that it requires more steps, includes having to edit the GRUB menu, and involves choosing between a possibly time consuming SELinux file relabel or changing the SELinux enforcing mode and then restoring the SELinux security context for /etc/shadow/ when the boot completes.