Institute of computational biomedicine, Cornell University provide an NGS workshop tutorial at http://chagall.med.cornell.edu/NGScourse/
You can also add your favourite NGS educational material, or workshop tutorial by commenting on this bookmarks for user benefit.
Understanding the basics of genome sequencing:
Tutorial by Luke Jostins.
http://www.genetic-inference.co.uk/blog/2009/04/basics-sequencing-dna-part-1/
http://www.genetic-inference.co.uk/blog/2009/08/basics-sequencing-dna-part-2/
A window into third-generation sequencing
http://hmg.oxfordjournals.org/content/19/R2/R227.full.pdf
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NGS data analysis pipelines
" Please add your favourite NGS link below in comment section for the benefit of bioinformatics community ".
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Challenges and Solutions in the Analysis of Next Generation Sequence Data http://lh3lh3.users.sourceforge.net/download/sam-20100630.pdf
Sequencing depth and coverage: key considerations in genomic analyses
https://rtsf.natsci.msu.edu/_rtsf/assets/File/depth%20and%20coverage.pdf
A field guide to whole-genome sequencing, assembly and annotation http://onlinelibrary.wiley.com/doi/10.1111/eva.12178/full
This useful repository contains the files from the course in de novo assembly https://github.com/lexnederbragt/denovo-assembly-tutorial
A field guide to whole-genome sequencing, assembly and annotation http://onlinelibrary.wiley.com/doi/10.1111/eva.12178/full
Informatics for RNA-seq: A web resource for analysis on the cloud https://github.com/griffithlab/rnaseq_tutorial?