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68 lines
1.8 KiB
Markdown
68 lines
1.8 KiB
Markdown
---
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title: "Change DPI in Linux using command line"
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date: 2021-11-10T09:48:47Z
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lastmod: 2022-04-29T09:48:47Z
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draft: false
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keywords: [dpi linux]
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description: ""
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tags: [dpi]
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categories: [linux]
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author: ""
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# You can also close(false) or open(true) something for this content.
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# P.S. comment can only be closed
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comment: false
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toc: false
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autoCollapseToc: false
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postMetaInFooter: true
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hiddenFromHomePage: false
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# You can also define another contentCopyright. e.g. contentCopyright: "This is another copyright."
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contentCopyright: false
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reward: false
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mathjax: false
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mathjaxEnableSingleDollar: false
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mathjaxEnableAutoNumber: false
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# You unlisted posts you might want not want the header or footer to show
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hideHeaderAndFooter: false
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# You can enable or disable out-of-date content warning for individual post.
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# Comment this out to use the global config.
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#enableOutdatedInfoWarning: false
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flowchartDiagrams:
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enable: false
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options: ""
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sequenceDiagrams:
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enable: false
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options: ""
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---
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Using a DE is pretty straightforward but you might be out of luck if you use something like dwm.
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<!--more-->
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Find correct DPI of your display currently used by X server
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```bash
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xdpyinfo | grep -B2 resolution
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```
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This si probably the correct value. If not, you can calculate it by converting your screen size to inches and dividing the resolution by display length.
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```bash
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xrandr | grep -w connected
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```
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{{% center %}}
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{{% figure src="/img/xrandr.png" title="The output on my machine" alt="Output of the last command" %}}
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{{% /center %}}
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The above block spits your screen resolution and physical size. Now divide it by display length in inches.
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Create/modify the file `~/.Xresources` and append the following line (replace 96 with your DPI)
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```
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Xft.dpi: 96
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```
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and have it processed by the startup file (like .xinitrc)
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```
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xrdb -merge ~/.Xresources
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```
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