.docx/.doc to .odt File Conversion in Command Line in Linux

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Word .docx and .doc files are common for documents commonly generated by MS Word software. We would like to convert them to the more open ODF Open Document .odt files for various cases. This can be done by GUI software tools. If we have a set of many .docx/.doc files, it will be handy if
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Converting Hex to ASCII Using xxd

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Strings are commonly encoded as hexadecimal (hex) strings for various purposes. Hence, it is also common to convert hex strings to its original strings such as an ASCII string. Hex to ASCII string conversion can be done programmatically in many languages. In command line, we can use xxd to convert hex to ASCII string. This
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Linux Kernel 5.4.72 Release

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This post summarizes Linux Kernel new features, bugfixes and changes in Linux 5.4.72 Release. Linux 5.4.72 Release contains 23 changes, patches or new features. In total, there are 126,508 lines of Linux source code changed/added in Linux 5.4.72 release compared to Linux 5.4 release. To view the source code of Linux 5.4.72 kernel release online,
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Install R and RStudio Desktop in macOS

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We ever discussed How To Install R and RStudio Desktop in Ubuntu Linux 20.04. In this post, we introduce how to install R and RSTudio Desktop on macOS. Install R environment Install R environment as follows using Homebrew. $ brew install R Then verify that the R environment is installed and ready, by running in
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Installing R and RStudio Desktop in Ubuntu Linux 20.04

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We ever discussed How To Install R and RStudio Server in Ubuntu Linux 20.04. If the purpose is to install a local RStudio IDE instead of a remote RStudio Server, we can install RStudio Desktop. In this post, we introduce how to install R and RStudio Desktop on Ubuntu Linux 20.04. For other Ubuntu version,
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Installing R and RStudio Server in Ubuntu Linux 20.04

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R is a language and environment for statistical computing and graphics, providing a wide variety of statistical and graphical techniques. The R environment is open source software under GPL. R has rich software packages and is widely used for statistical analysis. RStudio Server is an R integrated development environment (IDE) that provides many useful features
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Linux Kernel 4.19.70 Release

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This post summarizes new features, bugfixes and changes in Linux kernel release 4.19.70. Linux 4.19.70 Release contains 95 changes, patches or new features. In total, there are 101,521 lines of Linux source code changed/added in Linux 4.19.70 release compared to Linux 4.19 release. To view the source code of Linux 4.19.70 kernel release online, please
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Redirect Feed Links to follow.it using .htaccess

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Feedburner used to a powerful tool for RSS feeds publishing and subscriber management. However, feedburner will unlikely leave its maintenance mode because there has been no new features yet less features for quite some years. But RSS feed is still an important part of the Web supported by many software such as WordPress. follow.it is
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How to do screen recording on Wayland in Linux?

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How to do screen recording on Wayland in Linux? Many screen recorders do not work on the new Wayland. Using Green Recorder You may try Green Recorder which supports Wayland. Note: Green Recorder is no longer under development by the original author (Please check the project README for more details). It still works well for
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Cannot make directory ‘/var/run/screen/S-apache’: Permission denied

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Hello! Im trying to create a screen folder for the user apache, Not root. But it seems to fail, I have no idea on how to fix this issue. I only get the error: Cannot make directory ‘/var/run/screen/S-apache’: Permission denied Im using Cent OS 7 There may be various possible reasons. 2 common reasons: screen
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How to remove the bottom panel in gnome 3 classic?

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The gnome 3 classic’s bottom panel looks not useful to me. I do not use it. How to remove the bottom panel in gnome 3 classic? That bottom panel is from the “Window List” plugin. The gnome 3 classic package depends on that plugin package on CentOS 7 as far as I checked. And Gnome
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How to redirect non-www domain to www domain in .htaccess?

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I have a website. But I would like use the www.example.com instead of example.com. How to redirect non-www domain to www domain on my server? I am using apache2 (httpd). You can add a piece of code into the top .htaccess in your site: Specific method: redirect example.com domain to www.example.com domain RewriteEngine On RewriteBase
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