How to make a live backup of your Raspberry Pi Ubuntu/Raspberry Pi OS Server to create live bootable ISO Images on an external drive.
#Homebrew install imagemagick update
How to install and update Mega command line (megacmd) on your Raspberry Pi running Ubuntu 20.04.How to install Letsencrypt Certificates on Open VPN Access Server Web Interface.How to batch convert images to WebP with Imagemagick on MacOS.How to install OpenVPN 3 client on Ubuntu 20.04.Home Network Security & Online Privacy (4).Your newly converted images can be found in your ~/Pictures/WebP folder after its complete. If you desire faster load times with lesser quality images, the oposite extreme end is to use lossy compression with more compression, which should shrink your files pretty well and prep them for quick load times on a website.ħ. If you desire High quality UHD or 4K photos all the time with slower load times, then stick with lossless with less compression. However, if you already are using small images this may not be neccessary, and your image compression and filesize (lossy or lossless) is relatively subjective depending upon what you are trying to accomplish with your website. For website use, it is recommended that you scale down your image quality anywhere from 60%-80%, to decrease page load times and image load times. So don’t delete your original photos unless you are absolutely sure you don’t need them scaled up to a larger size and better quality. This will also make your original image quality unrecoverable since it is lossy. This will reduce your image quality to 60% of the original image, but shrink the filesize of your photos tremendously. To use lossy compresssion with reduced quality you can use the “-define webp:lossless=false” arguement like so… magick mogrify -format webP -quality 60 -define webp:lossless=false -path ~/Pictures/WebP/ *.png Where -quality 80 is to reduce the quality of your images by 20% (only 80% of the original quality is used).ħ. To change the quality of your images using lossless compression, you can use the “-quality” and “-define” arguements like so… magick mogrify -format webP -quality 80 -define webp:lossless=true -path ~/Pictures/WebP/ *.png magick mogrify -format webP -path ~/Pictures/WebP/ *.pngĦ. Issue the following command replacing “.png” with the file extension of the files you need converted (the source files).
Navigate to the folder of png or jpg images you want to convert to WebP in your terminal. Run the following command in your terminal application: brew install imagemagickģ. 1 Install homebrew by opening up your terminal application and copying and pasting the following line of code in it.
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