Understanding of gcc, g + + and cross compiler tools under Ubuntu
@Foreword
Due to the project requirements, C and C + + codes need to be compiled to generate executable files. During the process, I contacted and learned the download of gcc, g + + and cross compiler 1 And use methods, according to my understanding, I now make the following summary. If you have any problem, please leave a message at any t ...
Added by BrazilMac on Thu, 02 Sep 2021 04:23:41 +0300
003_ File operation of Linux common commands
1. File operation
touch command
Create a file. If the file name does not exist, create it directly. If it exists, change the access time
touch [option] filename1 filename2...
root@ubuntu:~/Test# touch hello.c
root@ubuntu:~/Test# ls
hello.c
rm command: delete file or directory
Parameter - r recursively delete subdirectories
rm -rf * del ...
Added by evo4ever on Mon, 29 Jun 2020 11:43:38 +0300
MCU platform libjpeg9 porting instructions
MCU platform libjpeg9 porting instructions
With the performance of MCU platform becoming more and more powerful, it is possible to use jpeg soft decoding on MCU. This paper will explain the migration of libjpeg.
libjpeg is a widely used JPEG image compression / decompression open source library, which ...
Added by milind24 on Sun, 21 Jun 2020 13:26:51 +0300
Junzheng darwin Source Synchronization Tutorial
Environment: Ubuntu 18.04
1. Acquire license certification
Get the document from darwin source, use "Alt+Ctrl+T" to open the command window, enter
$ssh-keygen
All the way back, back, back
You can see that the generated id_rsa file, at / home/wangcen/.ssh/id_rsa location (different computer ...
Added by mridang_agarwal on Fri, 12 Jun 2020 04:25:17 +0300
Soft and hard decoding implementation of android ffmpeg (ffmpeg 3.3.4)
1. Soft decoding implementation:
JNIEXPORT int JNICALL Java_h264_Native_PlayLocalVideo(JNIEnv *env, jobject obj,jstring inputFilePath_,jobject surface) {
const char *path = env->GetStringUTFChars(inputFilePath_, 0);
av_log_set_callback(ffmpeg_android_log_callback);
av_register_all();
int ret;
AVFormatContext *fmt_ctx ...
Added by ericorx on Fri, 01 May 2020 21:12:02 +0300
linux view raid information
The server did a hardware raid check on the Internet for a long time and didn't see that you can clearly see the raid command without shutting down.
The specific practice is as follows:
root@ubuntu:~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 63G 0 63G 0% /dev
tmpfs 13G 82M 13G 1% /run
/d ...
Added by monkey_05_06 on Thu, 02 Apr 2020 05:36:29 +0300
linux builds DNS server 3
1. For the installation of bind 9, it is assumed that bind 9 has been installed through apt get
2. Enter the directory / etc/bind
3. Create a zone record file (similar to db.xxx): Here I create db.testlyhh.com
4. Edit the named.conf.default-zones file and add the following:
zone "testlyhh.com" {
type master ...
Added by jack_wetson on Tue, 31 Mar 2020 16:08:01 +0300
Create Sphinx + GitHub + ReadtheDocs managed document
Latest blog link "Tsanfer's Blog"
Create Sphinx + GitHub + ReadtheDocs managed document
Read the docs online ebook link
🎵🎵🎵🎵🎼🎼🎼🎼🎧🎼🎼🎼🎼🎵🎵🎵🎵
Sphinx
Github
Readthedocs
Final effect
Linux configuration
Win10 Ubuntu Subsystem path:%USERNAME%\AppData\Local\Packages\CanonicalGroupLimited.UbuntuonWindows_79rhkp ...
Added by dirkdetken on Tue, 10 Mar 2020 12:06:20 +0200
I. Installing ROS in Ubuntu 18.04
If your Ubuntu 18.04 is newly installed and you have not configured a download source for Ubuntu yet, you need to modify the download source first.
Back up the download source first
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak
Then execute the instructions to edit the download source
sudo ge ...
Added by Dujo on Sun, 01 Mar 2020 04:55:05 +0200
kubeasz deployment of high availability kubernetes cluster
Get ready
tool
https://github.com/easzlab/kubeasz
kubeasz using ansible to quickly deploy the non containerized and highly available k8s cluster
There are two versions of kubeasz: 1.x and 2.x. for version comparison, please refer to https://github.com/easzlab/kubeasz/blob/master/docs/mixes/branch.md ...
Added by Gen-ik on Fri, 21 Feb 2020 08:01:30 +0200