Recently I got below mentioned sendmail error in syslog when I was trying to create a user in a python web application. relay=localhost [127.0.0.1], reject=553 5.5.4 <app@gmail.com>… Domain name required for sender address “myapp” or below error if you are using python smtp library File “/usr/lib/python2.7/smtplib.py”, line 733, in sendmail Read more…
In this tutorial I will show you how to batch resize and compress images in ubuntu or in any other linux distros(debian,arch and fedora). ‘Convert’ command is a very powerful image manipulation utility which comes preinstalled in almost all linux distributions (ubuntu,debian,arch and fedora) and it is a part of ImageMagick Read more…
Raspbian Stretch repository is using a bit outdated version of kodi (version 17.1 17.3 and the latest stable is kodi 17.4 krypton). By using the pipplware repository you will receive latest updates of kodi faster than the official raspbian repository .To install the latest version of kodi (kodi 17.4) on your raspberry pi follow Read more…
What Type of filesystem is used in EFI partition ? EFI partition in ubuntu is basically a FAT partition with label “EFI” How to create / restore an efi partition ? Just reformat or create a normal FAT filesystem partition with a size of 512MB (can be any size) and Read more…
In this tutorial I will show you how to reinstall grub2 bootloader on a ubuntu system with efi partition. Boot from a live usb/cd Boot from the ubuntu live usb/cd and select the option “try ubuntu without installing” Check if EFI is enabled in bios Enter below command in terminal Read more…
Recently I installed Debian 9 xfce on my home desktop, I was able to connect to the wi-fi network at the time of installation but after logging into desktop I am not able to connect to any wi-fi network using network manager. After some searching I have found that this Read more…
In this tutorial I will show you how to properly install nvidia drivers on debian 9 or ubuntu 17.04 system. Note: If you are using ubuntu you can skip directly to Install nvidia-detect step . Add “contrib” and “non-free” repository – (You can skip this step if you are using ubuntu) Read more…
If you have recently upgraded to fedora 25 gnome you have noticed that desktop icons were missing, even after enabling the “icons on desktop” option in gnome tweak tool. This is because fedora 25 is using wayland display server, desktop icons are only supported on X11.According to a main gnome developer Read more…
If you have recently updated arch Linux you may face a flickering issue when system boots into GDM (login window) however the flickering is gone after successful login , after few searches i have found the solution. You can see more details about this bug here : https://bugs.archlinux.org/task/44779 (caused by Linux 4.0.1(x86_64) kernel) Read more…
Here is a youtube-dl command to extract High quality mp3 audio from a YouTube video. youtube-dl –extract-audio –audio-format mp3 –audio-quality 0 <URL> PS: “–audio-quality 0” means highest quality