First-hand experience with Ubuntu 17.04 (Artful Aardvark)

I installed and tried Ubuntu 17.04 (Artful Aardvark) Linux. The main change is the advent of GNOME desktop instead of Unity. Default GNOME desktop seems heavy for low profile computers. Experienced fast performance after the installation of GNOME Classic desktop. Users can sync with various accounts (e.g. Google) from the file manager. This feature is helpful for users to backup files in cloud storage.
Default GNOME desktop of Ubuntu 17.04. The desktop feel heavy for low profile computers.

Install GNOME Classic desktop for fast performance.

User can add various acounts.
Sync with Google Drive in File Manager

Install Epson L380 printer driver in Ubuntu / Debian

Epson L380 is a color inkjet printer. Very suitable for home and office use. Epson has made available Linux driver for the printer L380. Here are the steps to install the Linux driver for Ubuntu.

Bypass "unlock your login keyring" with Chrome browser

Asking password to open Chrome browser is part of security. But it's very annoying for users to enter the password when asking keyring to unlock when start Google Chrome browser.


We can bypass it. I tried this method in Ubuntu MATE.

Install Debian 9 Stretch (Screenshots)

Debian 9, release name 'Stretch' released on June 17, 2017. ISO images are available at https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/
Here I am used Debian 9 with XFCE Desktop.

Download and burn the iso file in a CD/DVD/pen drive. Change the boot option of the PC and boot into Debin DVD.
Graphical install is good for newbies.

Install HP LaserJet P1108 printer in Debian 8 and Ubuntu 16.04

You can find that HP LaserJet P1108 does not work simply adding the printer with Ubuntu 16.04 and Debian 8. Installation of HP driver fails to install plugin file. You will get following error message,

"HP Device Manager - Plug-in Installer(X) file does not match its checksum. File may have been corrupted or altered"




Install HP Printer packages

sudo apt-get install hplip hplip-dbg hplip-gui hplip-cups

Format pen drive using command line in Linux


Apply following commands to know the drive name of the USB pen drive.

sudo su
fdisk -l



Unmount the pen drive before the formatting process.

umount /dev/sdb1

Apply the following command to format the pen drive in FAT 32 format.

mkdosfs -F 32 -I /dev/sdb1

Install HP LaserJet P1505 in Ubuntu 16.04

Image courtesy: HP

HP LaserJet P1505 is a popular printer and can be found in most of the offices. Installation of the printer driver is necessary to run.

1. Plugin the printer to the computer.
2. Download and install the HP Printer driver. Apply following commands,

sudo su
sudo hp-setup -i

During the installation process user has to answer many questions.

Install Lineage OS on Asus Zenfone Selfie: a slim guide.

Asus Zenfone Selfie (Build Number. ZD551KL)is a budget smart phone priced below INR 12000. The default Android version is Lollipop with Zen UI. Zenfone Selfie can give good performance, if we install custom ROM.  Lineage OS is the leading custom ROM project and it offers official build for Zenfone Selfie. User can install Lineage OS over default Android. Lineage OS can improve the performance of Zenfone Selfie.

Necessary skill set
Basic knowledge on adb and fastboot, TWRP custom recovery installation, flash packages from TWRP. Finally you need the confidence to take the risk of unbrick phone (Void warranty)!!.

[I will not be responsible to what happens to your device while trying following steps.]


Download
Following are the necessary packages to download before the installation process. Copy the downloaded packages to the external storage (SD Card) of your phone:

Marshmallow firmware
Lineage OS
Open GAAps (ARM64) Pico
su (arm64)

Steps to follow
Links along with each step leads to concerned instructions in Lineage OS wiki.

1. Unlock Asus Zenfone Selfie.
2. Install adb and fastboot.
3. Install TWRP custom recovery.
3. Flash the Marshmallow firmware using TWRP recovery [Very important]
4. Install Lineage OS, OpenGAAps and su add-on from TWRP recovery.
5. Restart phone.

Note
How to enter recovery mode of Zenfone Selfie?
Power Off phone.
Long press Power button+Volume down button.

References
https://forum.xda-developers.com/zenfone-2-laser/orig-development/rom-cyanogenmod-13-0-t3317515/page225

http://wiki.lineageos.org/Z00T_info.html#build-guide

Screen brightness problem with Acer ES1-131 and Debian 8 (Jessie)

I installed Debian 8 (Jessie) XFCE and LXDE desktop on Acer ES1-131 Netbook. I could successfully installed Debian. But problem is that, not able reduce the brightness of screen. Short cut key for brightness control not working.

The real problem with the Linux kernel. Default kernel version could not identify the Intel driver. You can find that /sys/class/backlight will be empty. Brightness control folder and files should be reside here.

How to solve it?
Solution is that upgrade the kernel of Debian.

Enable sudo in Debian

Sudo is a tool default with Ubuntu, which allows users to execute administrative tasks (e.g. installation, remove etc). sudo is not available with Debian default. Ubuntu user may feel difficult while work with Debian without sudo. User has to install sudo tool first.

Open terminal and apply following commands,

su
apt-get install sudo
adduser username sudo


Logout from desktop.
Login again.

Install Linux ISO file in a USB stick

Its easy to write ISO file to USB pen drive. This process erase all data in your USB drive.

Copy Linux iso file in home folder.
Open a terminal and become root user and apply following commands,
  
cat debian.iso > /dev/sdb; sync

Disable Grub2 theme in Ubuntu MATE

Gurb 2 has GUI theme.

It may lag the boot time. User can remove it to get back legacy Grub theme.
Apply following command to remove Grub 2 theme.

sudo apt-get remove grub2-themes-ubuntu-mate

Then update Grub

update-grub