E: 无法定位 package ea-utils | Ubuntu 18.04

Question

I am following this tutorial . I already have .fastq files. I want to install ea-utils .

My setup is Ubuntu 18.04 bionic , via Oracle VM Virtual Box .

In terminal , I entered the command:

>>>sudo apt install ea-utils
E: Unable to locate package ea-utils

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First, I installed latest Ubuntu updates via. Software Updater .

Then,

>>>sudo apt-get update
E: Some index files failed to download. They have been ignored, or old ones used instead.

Still throwing an error:

>>>sudo apt-get install ea-utils
Second command said: E: Unable to locate package ea-utils.

Answer 1

You cannot install it using Git-Bash. Git-Bash is not a Linux environment (apt-get is a Linux utility that can be used in a Linux environment). Git-Bash is a subset of the MSYS (or MSYS2, not sure) collection of open source tools compiled for Windows

What you can try is

1. build your own version of ea-utils for Windows. build guide - I will elaborate if required
2. check if there are any precompiled binaries for it

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Expanding on building/compiling your own binaries of programs

1. Normally a program is written in a programming language (eg C/C++, Java) that humans can read. These are plain text files.
2. That is compiled into something computers can read
3. This compiled file is executable on the platform which it is compiled for - ends in .exe for Windows
4. This executable file is distributed as a 'precompiled binary' that is copied into (usually) C:\Program Files by the installation procedure

But things change in the world of open source software

1. You are given the original files of code written in a programming language
2. You use a compiler combined with other libraries to compile it into an executable file
3. MinGW is a collection of tools, including the C/C++ compiler for Windows
4. GSL is a library that provides some other code that ea-utils depends on for the compilation of the binaries

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General instructions for building

(Sorry I cannot test these. I do not use Windows any more)

1. Install MinGW - accepting the defaults should work fine
2. Install GSL - try the link that says Setup (again, accept defaults)
3. Unzip the file you downloaded earlier from ea-utils' GitHub
4. Open command prompt
5. cd into the unzipped folder
6. (based on instructions on their wiki) make
7. make test

Answer 2

Since your updated question is based on using Ubuntu 18.04 in a VM and you there is still an error, I suggest trying

sudo apt-get update
sudo apt-get install ea-utils

Commonly, software in the Linux word is distributed as "packages" - eg ea-utils . The first command contacts Ubuntu's repositories (they serve the packages) and generates a list of all the available packages.

That should fix the error of ea-utils not being found.

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Following the constant errors being thrown, Download the.deb file 64-bit version or 32-bit version according to the virtual machine you are running. Open it inside the virtual machine, and follow the onscreen instructions.

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