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Catalin Toda 64d53bd4b6 kernel: netconsole: add network console logging support 
Accessing the console on many devices is difficult.
netconsole eases debugging on devices that crash
after the network is up.

Reference to the netconsole documentation in upstream Linux:
<https://www.kernel.org/doc/html/latest/networking/netconsole.html>
|
|netconsole=[+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]
|
| where
|  +            if present, enable extended console support
|  src-port     source for UDP packets (defaults to 6665)
|  src-ip       source IP to use (interface address)
|  dev          network interface (eth0)
|  tgt-port     port for logging agent (6666)
|  tgt-ip       IP address for logging agent
|  tgt-macaddr  ethernet MAC address for logging agent (broadcast)

OpenWrt specific notes:

OpenWrt's device userspace scripts are attaching the network
interface (i.e. eth0) to a (virtual) bridge (br-lan) device.
This will cause netconsole to report:
|network logging stopped on interface eth0 as it is joining a master device
(and unfortunately the traffic/logs to stop at this point)

As a workaround, the netconsole module can be manually loaded
again after the bridge has been setup with:

 insmod netconsole netconsole=@/br-lan,@192.168.1.x/MA:C...

One way of catching errors before the handoff, try to
append the /etc/modules.conf file with the following extra line:
 options netconsole netconsole=@/eth0,@192.168.1.x/MA:C...

and install the kmod-netconsole (=y) into the base image.

Signed-off-by: Catalin Toda <catalinii@yahoo.com>
(Added commit message from PR, added links to documentation)
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2022-07-20 17:45:24 +08:00
.github CI: fix 'alternatives for my.cnf' problem (#8436) 2021-12-16 12:54:14 +08:00
config config: rockchip: increase default kernel size to 32MB 2022-07-09 01:08:40 +08:00
doc add Xiaoma v1 small photo 2020-05-14 15:30:44 +08:00
include kernel: bump 5.18 to 5.18.12 (#9763) 2022-07-16 17:26:45 +08:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-06-17 20:11:04 +08:00
package kernel: netconsole: add network console logging support 2022-07-20 17:45:24 +08:00
scripts scripts/diffconfig.sh: ensure config/conf is built 2022-02-26 16:06:10 +00:00
target sdk: add spidev-test to the bundle of userspace sources 2022-07-20 17:42:22 +08:00
toolchain toolchaini/gcc: fix libstdc++ dual abi model 2022-07-08 11:51:23 +08:00
tools automake: always use correct path for aclocal.real 2022-07-15 10:05:30 +08:00
.gitattributes Merge branch 'master' of https://github.com/lede-project/source 2017-09-12 01:07:20 +08:00
.gitignore gitignore: sync upstream source 2022-02-24 11:20:06 +08:00
BSDmakefile add kernel 5.10 support and sync with upstream 2021-06-14 18:30:08 +08:00
Config.in add kernel 5.10 support and sync with upstream 2021-06-14 18:30:08 +08:00
COPYING add kernel 5.10 support and sync with upstream 2021-06-14 18:30:08 +08:00
feeds.conf.default change routing feed to custom 2022-04-30 19:22:35 +08:00
Makefile add kernel 5.10 support and sync with upstream 2021-06-14 18:30:08 +08:00
README_EN.md Update README 2021-06-30 20:46:32 +08:00
README.md Update README for uboot-rockchip 2022-07-13 23:35:49 +08:00
rules.mk build: change PYTHON to python3 2022-03-10 08:56:14 +08:00

README_EN.md

Welcome to Lean's git source of OpenWrt and packages

How to build your Openwrt firmware.

Note:

  1. DO NOT USE root USER FOR COMPILING!!!

  2. Users within China should prepare proxy before building.

  3. Web admin panel default IP is 192.168.1.1 and default password is "password".

Let's start!

  1. First, install Ubuntu 64bit (Ubuntu 20.04 LTS x86 is recommended).

  2. Run sudo apt-get update in the terminal, and then run sudo apt-get -y install build-essential asciidoc binutils bzip2 gawk gettext git libncurses5-dev libz-dev patch python3 python2.7 unzip zlib1g-dev lib32gcc1 libc6-dev-i386 subversion flex uglifyjs git-core gcc-multilib p7zip p7zip-full msmtp libssl-dev texinfo libglib2.0-dev xmlto qemu-utils upx libelf-dev autoconf automake libtool autopoint device-tree-compiler g++-multilib antlr3 gperf wget curl swig rsync

  3. Run git clone https://github.com/coolsnowwolf/lede to clone the source code, and then cd lede to enter the directory

  4. ./scripts/feeds update -a
./scripts/feeds install -a
make menuconfig

  5. Run make -j8 download V=s to download libraries and dependencies (user in China should use global proxy when possible)

  6. Run make -j1 V=s (integer following -j is the thread count, single-thread is recommended for the first build) to start building your firmware.

This source code is promised to be compiled successfully.

You can use this source code freely, but please link this GitHub repository when redistributing. Thank you for your cooperation!

Rebuild:

cd lede
git pull
./scripts/feeds update -a && ./scripts/feeds install -a
make defconfig
make -j8 download
make -j$(($(nproc) + 1)) V=s

If reconfiguration is need:

rm -rf ./tmp && rm -rf .config
make menuconfig
make -j$(($(nproc) + 1)) V=s

Build result will be produced to bin/targets directory.

Special tips:

  1. This source code doesn't contain any backdoors or close source applications that can monitor/capture your HTTPS traffic, SSL is the final castle of cyber security. Safety is what a firmware should achieve.

  2. If you have any technical problem, you may join the QQ discussion group: 297253733, link: click here

  3. Want to learn OpenWrt development but don't know how? Can't motivate yourself for self-learning? Not enough fundamental knowledge? Learn OpenWrt development with Mr. Zuo through his Beginner OpenWrt Training Course. Click here to register.

Router Recommendation

Not Sponsored: If you are finding a low power consumption, small and performance promising x86/x64 router, I personally recommend the EZPROv1 Alumium Edition (N3710 4000M): Details

xm1 xm2

Donation

If this project does help you, please consider donating to support the development of this project.

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alipay

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Note: Addition Lean's private package source code in ./package/lean directory. Use it under GPL v3.

GPLv3 is compatible with more licenses than GPLv2: it allows you to make combinations with code that has specific kinds of additional requirements that are not in GPLv3 itself. Section 7 has more information about this, including the list of additional requirements that are permitted.