fedora

How to install GDM, SDDM & LightDM Display Manager on Fedora

  • Post last modified:March 25, 2020
  • Post category:Linux
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Read more about the article How to install GDM, SDDM & LightDM Display Manager on Fedora

Display manager is a graphical login manager or greeter which starts a login session and display server when you successfully enters a valid username and password. Fedora gnome comes with GDM display manager. And Fedora spins like Fedora Kde with SDDM, Fedora XFCE and Mate comes with LightDM Display Manager. If you don’t like your current display manager then you can switch to other display manager easily in Fedora. Follow the below steps to install and set the Display Managers on Fedora.

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How to fix and solve “is not in the sudoers file. This incident will be reported.” error on Fedora RHEL CentOS Debian

  • Post last modified:March 24, 2020
  • Post category:Linux
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Read more about the article How to fix and solve “is not in the sudoers file. This incident will be reported.” error on Fedora RHEL CentOS Debian

When you try to run any command with sudo in Fedora, RHEL, CentOS or Debian and some other linux distro, then you will get below error.

USERNAME is not in the sudoers file. This incident will be reported.

Here USERNAME is your current active logged in username. Here my system username is “manikandan” and my error message,

manikandan is not in the sudoers file. This incident will be reported.

In Fedora, RHEL, CentOS or Debian and some other Linux distributions by default the regular user does not have an ability to execute commands with root privileges. In linux there are two common ways to execute commands as the root administrator privileges. You can do this by “su” and “sudo” commands. Here you can use the su with your root password. Like “su root”. But this is a not a good practice. But you can use the sudo command with your own user password. This can only be used by users who have been authorized by the administrator (root user). Using this you can access the system without sharing the password of the root user.

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Fedora 20 released

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Fedora 20 (Heisenbug) is now available for download.What’s new in this release?

ARM is now supported.
Cloud and Virtualization Improvements.
VM Snapshot UI with virt-manager.
ARM on x86 with libvirt/virt-manager.
WildFly 8 (Previously known as JBoss Application Server).
Ruby on Rails 4.0.
GNOME 3.10.
KDE Plasma Workspaces 4.11.
NetworkManager Improvements.
No Default Sendmail, Syslog.
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Fedora 19 released

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Fedora 19 is now available for download.What’s new in this release?

New Developer’s Assistant
3D modelling and printing support
OpenShift Origin
node.js
Ruby 2.0.0
MariaDB
Improved systemd Resource Control
Checkpoint & Restore
OpenLMI
GNOME 3.8
KDE Plasma Workspaces 4.10
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Fedora 18 beta released

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Fedora 18 beta code-named “Spherical Cow” is now available for download and testing.what’s new in this beta?

MATE desktop is available for the first time in Fedora.
Gnome desktop 3.6
new installer user interface
Perl 5.16
Python 3.3
Rails 3.2
updated D and Haskell programming environments
Samba 4
Eucalyptus 3.1
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Fedora 17 released

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Fedora 17 is now available for download.What’s new in this version?

KDE 4.8.
QtQuick.
KSecretService.
GNOME 3.4.
new GNOME 3 app Boxes.
support for the CUPS colord color profile service.
idjc.
Virtual MIDI Piano Keyboard.
gimp 2.8.0
blender 2.6.1
vym 2.0.6
Scribus 1.4.0
libreoffice 3.5.0.3
evolution 3.3.5
Sugar 0.96 desktop environment
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Fedora 16 beta released

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Fedora 16 beta is now available for download and testing.what’s new in this beta?

kernel 3.1.0
Support for USB 2.0 (EHCI) devices
includes version 15 of autojump.
autokey
calcurse version 2.9.0
added cuneiform – open source OCR system
added ease – GNOME-based presentation system
added oo2gd – export of office documents to Google Docs

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Fedora 15 released

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Fedora 15 is now available for download. Fedora is a Linux-based operating system,completely free of cost. Fedora is sponsored by Red Hat.

Requirements

400 MHz Pentium Pro or better processor (comparable AMD, Cyrix, and VIA processors also acceptable)
At least 512 MB memory (RAM), 1 GB recommended for best performance
10 GB disk space / storage
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