What is Menuconfig in Linux?

make menuconfig , with a menu-driven user interface, allows the user to choose the features of Linux (and other options) that will be compiled. … It is normally invoked using the command make menuconfig ; menuconfig is a target in Linux Makefile.

What to do after making Menuconfig?

2 Answers. In general, after a make menuconfig or make config , the . config file is changed. This file describes which options are choosen and will tell make and Makefile which file to compile and which options to activate.

How do I add to Menuconfig?


  1. Kernel Configuration with Fragments.
  2. Populate the Local Layer with the Required Subdirectories.
  3. Create the Kernel’s BitBake Append (.bbappend) File.
  4. Create the Kernel’s Configuration Fragment.
  5. Clean up the Linux Kernel Package and Optionally Configure the Package.

What is kernel configuration?

The Linux kernel configuration is usually found in the kernel source in the file: /usr/src/linux/. config . make menuconfig – starts a terminal-oriented configuration tool (using ncurses) … make xconfig – starts a X based configuration tool.

What does M mean in kernel config?

In Linux kernel config file, y,n and m stands for yes, no and module respectively. Most functionality in the Linux kernel can either be compiled in (y) or left out (n), and most of it can also be compiled as a loadable module(m). This makes sense when you don’t know exactly if you will need some feature in the future.

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What is the use of Menuconfig?

make menuconfig gives the user an ability to navigate forwards or backwards directly between features, rather than using make config by pressing the ↵ Enter key many, many times just to navigate linearly to the configuration for a specific feature.

What is Defconfig in Linux?

defconfig. Generates a new kernel configuration with the default answer being used for all options. The default values are taken from a file located in the arch/$ARCH/defconfig file, where $ARCH refers to the specific architecture for which the kernel is being built.

What is make install in Linux?

In its simplest form, a Makefile is a script for compiling or building the “binaries”, the executable portions of a package. … However, make can also do other tasks, such as installing the files in their proper directories (make install) and removing stale object files (make clean).

What is make command in Linux?

The Linux make command is used to build and maintain groups of programs and files from the source code. In Linux, it is one of the most frequently used commands by the developers. It assists developers to install and compile many utilities from the terminal.

How do you create a Defconfig?

make savedefconfig minimizes the generated defconfig skipping redundant configs that are implied by others.

2 Answers

  1. linux-savedefconfig for linux.
  2. barebox-savedefconfig for barebox bootloader.
  3. uboot-savedefconfig for U-Boot bootloader.


How do I change kernel settings?

To configure the kernel, change to /usr/src/linux and enter the command make config. Choose the features you want supported by the kernel. Usually, There are two or three options: y, n, or m. m means that this device will not be compiled directly into the kernel, but loaded as a module.

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What is config Yml file?

The main configuration file for the IQ Server installation is a YAML formatted file called config. yml found in the installation directory. The config. yml file typically contains only those configuration options which are rarely changed. Special considerations when editing the config.

How do I change Linux kernel?

10. Making Changes to Kernel Code

  1. Make the changes in the required file, re-check it.
  2. make SUBDIRS=”path” – to compile the particular module.
  3. make modules_install – to install the module, you can manually copy the module to the /lib/ directory.
  4. make install – update the whole system if required, not required generally.

What is proc config GZ?

/proc/config.gz is just a copy of the config file that was used to compile the kernel. You can’t change it, you can only compile a new kernel with a different configuration. See, for instance, linuxconfig.org/in-depth-howto-on-linux-kernel-configuration. Some features can be added by loading modules but not all. –

What is Linux kernel development?

Linux Kernel Development details the design and implementation of the Linux kernel, presenting the content in a manner that is beneficial to those writing and developing kernel code, as well as to programmers seeking to better understand the operating system and become more efficient and productive in their coding.

How do I enable proc config in GZ?

1 Answer

  1. Figure out which SoC you have on the board.
  2. Figure out where to obtain the Linux kernel tree ported to that SoC.
  3. Obtain and compile the Linux kernel, enabling the /proc/config. gz option.
  4. Install modules, register the newly-compiled kernel with the bootloader, and reboot.
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