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Linux

Linux is an open source Operating System which is widely used as the preferred OS for development and server. It is the central part of UNIX family of OS.

Linux

Understanding Linux Namespaces: The Building Blocks of Containerization

Containerization uses specific features of the Linux kernel to create isolated environments for running applications.

Shruti
Linux

Copy file from docker to local host

In this article at OpenGenus, we have explained how to copy a file from a Docker container to local host or system. This command is "docker cp container-id:/path/to/file .".

Rudransh Deshmukh
Linux

rm multiple files

rm is a command on UNIX systems to delete files. In this article at OpenGenus, we have explained how to use this command rm to delete multiple files and other variants.

Aditya Chatterjee Aditya Chatterjee
Linux

Why is #! the first line in shell scripting ?

When the first line starts with #!, the kernel scans the rest of the line for full pathname of the interpreter to run the program.

Utkarsh Chaurasia
Linux

From Hobby to Passion : How GNU/Linux revolutionized Modern Computing

How a hobby project became passion and changed the world for good. In this article at OpenGenus, we have covered GNU/Linux and its history.

Aadarsh Kumar Singh Aadarsh Kumar Singh
Linux

3 Easy steps to Install Postman in Kali Linux

In this article at OpenGenus, we have covered the installation and setup of Postman in your Kali Linux environment.

Manish Kumar Manish Kumar
Linux

Delete multiple lines in VI / VIM editor

In this article, we have explained how to delete multiple lines in VI / VIM editor in an UNIX system like Ubuntu along with an example.

Aditya Chatterjee Aditya Chatterjee
Linux

Linux Package Management

Package management entails installing, upgrading, configuring, and removing software. Besides the tasks above, package management tools also facilitate software dependency resolution.

Kirabo Ibrahim Kirabo Ibrahim
C++

KMP_AFFINITY [complete guide]

KMP_AFFINITY is an environment variable that is used to control how hardware threads are distributed in relative to each other. This is used along with KMP_HW_SUBSET for finer control over the threads.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

Unzip all ZIP files together at once in Linux [5 methods]

While coding, we download several data in ZIP format. We need to extract these files to use them. If there are multiple ZIP files, extract each one separately is a tedious process. To ease this in Linux, we have presented over 5 methods to unzip multiple ZIP files together at once.

Benjamin QoChuk, PhD Benjamin QoChuk, PhD
Linux

How Terminals display color?

Terminals display color using escape sequences(ANSI escape codes for our case).If an escape character(\033) is receded by a byte in the range 0x40-0x5F, then the interpretation of the escape sequence is delegated to the C1 control code.

Kirabo Ibrahim Kirabo Ibrahim
Linux

Use astyle to format C++ code

In this article, we have presented how to use astyle tool to format C/ C++ code files and set your custom code format style.

Ned Nedialkov Ned Nedialkov
Linux

Build and Install GDB from source

In this article, we have explored how to build and install GDB from source code and release package. The source code comes along with binutils while the release package has only GDB.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

What is Binutils?

Binutils stand for "Binary Utilities" in Linux/ UNIX variants. It is a collection of different tools such as ld, ar, gold and much more. Binutils is a project of GNU funded by Free Software Foundation (FSF).

OpenGenus Tech Review Team OpenGenus Tech Review Team
Linux

Build and Install binutils from source

In this article, we have explored the steps to build Binutils from source code. With this, you can install any version of binutils and even try custom changes.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Linux

Check binutils version

In this article, we will check different commands using which you can get the binutils version installed in your system. Binutils comes with GCC but if you have upgraded GCC by building from source, binutils might not get updated and can result in errors.

OpenGenus Tech Review Team OpenGenus Tech Review Team
Linux

Remove End of Line (EOL) whitespace in Files in UNIX/ Ubuntu

In this article, we have demonstrated how to Remove End of Line (EOL) whitespace in Files in UNIX/ Ubuntu using grep and sed commands.

Ned Nedialkov Ned Nedialkov
Linux

Install astyle in Ubuntu

In this article, we have presented how to install astyle (Artistic Style) tool in UNIX/ Ubuntu.

Ned Nedialkov Ned Nedialkov
C++

[FIXED] /usr/lib/libstdc++.so.6: version 'GLIBCXX_3.4.16' not found

In this article, we have explored the cause of the error "/usr/lib/libstdc++.so.6: version 'GLIBCXX_3.4.16' not found" and presented 3 fixes to resolve this runtime error.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

List symbols in a .so file

In this article, we have presented different commands which can be used to list all or specific symbols in a given shared object .so file. This involve different commands with nm, objdump and readelf.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

Install specific version of Glibc

In this article, we have mentioned the steps to illustrate how to download and install a specific version of Glibc so that you can resolve glibc related issues. The latest version of Glibc is v2.36.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

[FIXED] makeinfo command not found

In this article, we have explored the reason behind the error "makeinfo command not found" and presented various fixes to resolve this error.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

[FIXED] fatal error: Python.h: No such file or directory

In this article, we have explored the reason behind the compilation error "fatal error: Python.h: No such file or directory" and presented 3 different fixes to resolve this error.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

Build teXinfo from source

In this article, we have presented the steps to get the source code/ release package of teXinfo and build it from source and install in your system.

Geoffrey Ziskovin Geoffrey Ziskovin
Linux

KMP_HW_SUBSET [complete guide]

KMP_HW_SUBSET is an OpenMP environment variable that is used to control the distribution of hardware threads across machine topology. This gives finer control compared to OMP_NUM_THREADS.

Geoffrey Ziskovin Geoffrey Ziskovin
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