Added kernel modules and 'mdev' hotplug manager as overlay bundle. Applied some enhancements on other scripts.
This commit is contained in:
Ivan Davidov
parent
75cba13b70
commit
3768275daa
15
src/.config
15
src/.config
@ -103,18 +103,19 @@ OVERLAY_TYPE=folder
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#
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# Currently available overlay software:
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#
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# glibc_full - all core GNU C libraries (useful if other software is included).
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# glibc_full - all core GNU C libraries.
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# bosh_cli - BOSH CLI (command line interface).
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# cf_cli - Cloud Foundry CLI (command line interface).
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# cf_tools - all BOSH and CLoud Foundry tools.
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# cf_tools - all BOSH and Cloud Foundry tools.
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# coreutils - set of commonly used GNU executable utilities.
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# dhcp - DHCP and DNS functionality.
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# dialog - shell scripting for ncurses
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# dropbear - SSH server and client.
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# felix - Apache Felix OSGi framework.
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# fio - I/O load generator.
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# java - installs Oracle's JRE or JDK. Manual preparations are required.
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# java - Oracle JRE or JDK. Manual preparations are required.
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# kbd - keyboard utilities
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# kernel_modules - default MLL kernel modules and 'mdev' hotplug manager.
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# kexec_tools - execute another kernel from userspace
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# libevent - event notification library.
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# links - text browser for the web.
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@ -122,14 +123,14 @@ OVERLAY_TYPE=folder
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# make - GNU make utility
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# mll_utils - set of executable utilities (mll-*).
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# mll_source - MLL source code provided in directory '/usr/src'.
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# nano - simple command-line text editor with on-screen shortcuts.git
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# ncurses - "GUI-like" API that runs within a terminal emulator.
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# nano - simple command-line text editor with on-screen shortcuts.
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# ncurses - 'GUI-like' API that runs within a terminal emulator.
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# nweb - simple mini http server.
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# openjdk - installs Open JDK. All operations are automated.
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# static_get - portable binaries for Linux (http://s.minos.io).
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# stress - CPU and RAM load generator.
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# util_linux - set of executable utilities distributed by the Linux Kernel Org.
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# vim - an advanced text editor.
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# util_linux - executable utilities distributed by the Linux Kernel org.
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# vim - advanced text editor.
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# zlib - DEFLATE compression/decompression library.
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#
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# Refer to the README file for more information.
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135
src/README
135
src/README
@ -19,121 +19,112 @@ you can change the property 'OVERLAY_BUNDLES' and build your own flavor of MLL.
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Currently available overlay bundles:
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GLIBC - Set of all core GNU C libraries packaged together. Requires ~3MB
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additional space. This overlay bundle is not host specific and
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can always be built. The libraries are useful if you plan to use
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more software after boot.
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GLIBC - set of all core GNU C libraries packaged together. This
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overlay bundle is not host specific and can always be built.
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The libraries are useful if you plan to use more software in
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MLL. This overlay bundle depends on the GLIBC build process.
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This overlay bundle depends on the GLIBC build process.
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bosh_cli - BOSH command line tool. It can be used as landscape manager for
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virtual network and server infrastructures in cloud environment,
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e.g. AWS, Google Cloud, etc. The most common use case for this
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tool is to create and manage Cloud Foundry infrastructures.
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bosh_cli - BOSH command line tool. It can be used as landscape manager
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for virtual network and server infrastructures in cloud
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environment, e.g. AWS, Google Cloud, etc. The most common use
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case for this tool is to create and manage Cloud Foundry
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infrastructures.
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cf_cli - Cloud Foundry command line tool. It can be used to manage all
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aspects of already existing Cloud Foundry installation, including
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the full software development lifecycle in cloud environment.
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aspects of already existing Cloud Foundry installation,
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including the full software development lifecycle in cloud
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environment.
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cf_tools - This is metapackage which installs all BOSH and Cloud Foundry
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cf_tools - this is metapackage which installs all BOSH and Cloud Foundry
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tools. Note that in MLL context these tools are mostly useful
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as remote managers for already existing BOSH and Cloud Foundry
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cloud infrastructures.
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as remote managers for existing BOSH and Cloud Foundry cloud
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infrastructures.
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coreutils - Set of commonly used GNU executable utilities.
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coreutils - set of commonly used GNU executable utilities.
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dhcp - DHCP and DNS functionality to connect to the Internet.
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dialog - Shell scripting library for ncurses
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dialog - shell scripting library for 'ncurses'. This overlay bundle
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requires 'ncurses'.
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This overlay bundle requires ncurses
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Dropbear - SSH server/client. Requires ~1MB additional space. The build
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process creates user 'root' with password 'toor'. These are
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sample commands which demonstrate how to use Dropbear:
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Dropbear - SSH server/client. This overlay bundle requires some GLIBC
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libraries.The build process creates user 'root' with password
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'toor'. These are sample commands which demonstrate how to
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use Dropbear:
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SSH server (Alt + F1): dropbear -E -F
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SSH client (Alt + F2): dbclient 10.0.2.15 -l root
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This overlay bundle requires GLIBC.
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Felix OSGi - Apache Felix OSGi framework. Use the 'felix-start' command to
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run the Apache Felix OSGi framework. This overlay bundle
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requires JRE or JDK.
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Felix OSGi - Apache Felix OSGi framework. Requires ~2MB additional space. Use
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the "felix-start" command to run the Apache Felix OSGi framework.
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fio - I/O load generator that can simulate a wide variety of
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workloads on RAM or disks. 'fio' is essential for
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troubleshootingdata I/O bottlenecks.
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This overlay bundle requires JRE or JDK.
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JRE / JDK - Oracle's JRE or JDK. This overlay bundle requires some manual
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preparation steps. Refer to the 'JAVA_ARCHIVE' property in
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the '.config' file for more information. This overlay bundle
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requires GLIBC and ZLIB.
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fio - I/O load generator that can simulate a wide variety of workloads
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on RAM or disks. fio is essential for troubleshooting data
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bottlenecks.
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JRE / JDK - Oracle's JRE or JDK. Requires ~366MB additional space for JDK.
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This overlay bundle requires some manual preparation steps. Refer
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to the "JAVA_ARCHIVE" property in the ".config" file for more
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detailed information.
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This overlay bundle requires GLIBC. JDK 9 requires ZLIB.
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kbd - Keyboard utilities and keymaps. For example, you can load
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kbd - keyboard utilities and keymaps. For example, you can load
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German keyboard layout like this:
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loadkeys de
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libevent - event notification library API provides a mechanism to execute a
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callback function when a specific event occurs on a file
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descriptor or after a timeout has been reached.
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kernel_modules - kernel modules and 'mdev' hotplug manager.
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kexec_tools - Kexec tools, can be used to boot another kernel from userspace
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kexec_tools - these tools can be used to boot another kernel and initramfs
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from userspace.
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Links - Text based browser. Requires ~1MB additional space. Use the
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"links" command to activate the browser.
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libevent - event notification library API provides a mechanism to
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execute a callback function when a specific event occurs on
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a file descriptor or after a timeout has been reached.
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Open JDK - The open source JDK. No need for manual steps.
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Links - text based web browser. Use the 'links' command to activate
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the browser.
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This overlay bundle requires GLIBC and ZLIB.
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Open JDK - the open source JDK. No need for manual steps. This overlay
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bundle requires GLIBC and ZLIB.
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Lua - The Lua Scripting Language 5.3. Requires ~ 800kb additional
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space. Use the "lua" command to run an interactive lua
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interpreter.
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Lua - the Lua Scripting Language. Use the 'lua' command to run an
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interactive LUA interpreter.
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make - GNU make utility
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make - GNU make utility.
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MLL Utils - Set of experimental shell scripts (mll-*.sh) which provide
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MLL Utils - set of experimental shell scripts (mll-*.sh) which provide
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additional functionality, e.g. installer and useful tools.
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This overlay bundle is currently experimental and its build
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process depends on the host machine.
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MLL Source - This overlay bundle provides all MLL source code in the
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MLL Source - this overlay bundle provides all MLL source code in the
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directory 'usr/src'.
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nano - Simple command-line text editor with on-screen shortcuts.
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nano - simple command-line text editor with on-screen shortcuts.
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This overlay bundle requires 'ncurses'.
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This overlay bundle requires ncurses.
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ncurses - 'GUI-like' API that runs within a terminal emulator.
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ncurses - "GUI-like" API that runs within a terminal emulator.
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nweb - nweb is a very small and easy to use webserver, it is run
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nweb - 'nweb' is a very small and easy to use webserver, it runs
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automatically on port 80. To portforward port 80 from the
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guest (minimal) to port 8080 on the host add
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QEMU guest (minimal) to port 8080 on the host, add
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'-net nic,model=e1000 -net user,hostfwd=tcp::8080-:80' to
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'cmd' in the qemu.sh file.
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stress - Simple workload generator. Imposes a configurable amount of CPU,
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memory, I/O, and disk stress on the system. stress is useful for
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troubleshooting CPU and RAM.
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stress - simple workload generator. Imposes a configurable amount of
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CPU, memory, I/O, and disk stress on the system. stress is
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useful for troubleshooting CPU and RAM issues.
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util_linux - Set of executable utilities distributed by the Linux Kernel
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similar to busybox or GNU Core Utils.
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util_linux - set of executable utilities distributed by the Linux Kernel,
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similar to busybox or GNU Core Utils. Some packages in this
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overlay bundle require 'ncurses'.
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Some packages in this overlay bundle require ncurses.
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vim - advanced text editor that seeks to provide the power of the
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de-facto Unix editor 'vi', with a more complete feature set.
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This package will create symlinks on top of 'vi'.
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vim - An advanced text editor that seeks to provide the power of
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the de-facto Unix editor 'Vi', with a more complete feature
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set.
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This package will create symlinks on top of vi.
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ZLIB - Software library used for data compression.
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ZLIB - software library used for data compression.
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The overlay bundles can be found in this directory:
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@ -14,7 +14,7 @@ install -m644 "$SRC_DIR/hosts" "$OVERLAY_ROOTFS/etc/hosts"
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install -m644 "$SRC_DIR/nsswitch.conf" "$OVERLAY_ROOTFS/etc/nsswitch.conf"
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install -m644 "$SRC_DIR/resolv.conf" "$OVERLAY_ROOTFS/etc/resolv.conf"
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install -d -m755 "$OVERLAY_ROOTFS/etc/autorun"
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install -m755 "$SRC_DIR/01_network.sh" "$OVERLAY_ROOTFS/etc/autorun/01_network.sh"
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install -m755 "$SRC_DIR/20_network.sh" "$OVERLAY_ROOTFS/etc/autorun/20_network.sh"
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install -m755 "$SRC_DIR/05_rc.dhcp" "$OVERLAY_ROOTFS/etc/05_rc.dhcp"
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echo "DHCP scripts and libraries have been installed."
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@ -1,6 +1,6 @@
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#!/bin/sh
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set -ex
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set -e
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. ../../common.sh
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11
src/minimal_overlay/bundles/kernel_modules/10_modules.sh
Executable file
11
src/minimal_overlay/bundles/kernel_modules/10_modules.sh
Executable file
@ -0,0 +1,11 @@
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#!/bin/sh
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# Enable the 'mdev' hotplug manager.
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echo /sbin/mdev > /proc/sys/kernel/hotplug
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# Initial execution of the 'mdev' hotpug manager.
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/sbin/mdev -s
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cat << CEOF
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[1m The 'mdev' hotplug manager is active.[0m
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CEOF
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47
src/minimal_overlay/bundles/kernel_modules/bundle.sh
Executable file
47
src/minimal_overlay/bundles/kernel_modules/bundle.sh
Executable file
@ -0,0 +1,47 @@
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#!/bin/sh
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set -e
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. ../../common.sh
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if [ ! -d $WORK_DIR/kernel/linux-* ] ; then
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echo "Kernel source directory is missing. Cannot continue."
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exit 1
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else
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echo "Kernel source directory exists."
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fi
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if [ ! -d $KERNEL_INSTALLED ] ; then
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echo "Kernel is not built. Cannot continue."
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exit 1
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else
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echo "Kernel is built."
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fi
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rm -rf $DEST_DIR
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cd $WORK_DIR/kernel/linux-*
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echo "Building kernel modules."
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make_target modules
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echo "Installing kernel modules."
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make_target \
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INSTALL_MOD_PATH=$DEST_DIR \
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modules_install
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echo "Removing unnecessary links."
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cd $DEST_DIR/lib/modules/*
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unlink build
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unlink source
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echo "Reducing the size of all generated kernel modules."
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reduce_size $DEST_DIR/lib/modules
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mkdir -p $DEST_DIR/etc/autorun
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cp $SRC_DIR/10_modules.sh $DEST_DIR/etc/autorun
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install_to_overlay
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cd $SRC_DIR
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@ -123,7 +123,7 @@ reduce_size() (
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done
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elif [ -f $1 ] ; then
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set +e
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strip -g $1
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strip -g $1 2>/dev/null
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set -e
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fi
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