My one line usefull commands
convert png file, keeping full color (either convert will reduce color space to 1bit our colormap) if it do not loose anything
Apply convert @ -crop 600x580+100+0 -gravity Center -auto-level -define png:format=png32 output/@ to *Copy a webpage for local viewing, recursive but not the entire www 😉
wget -r -k -Dhost.com http://www.host.com/webpageubuntu package related :
dpkg -l nvidia* #list all package starting with nvidia
dpkg -S /usr/include/GL/glext.h #find which package provide a file
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