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preface Linux system software generally has deb and The installation package in rpm format, that is, the Linux system uses the "red hat package manager" red hat package manager, which can be packaged rpm installation package, which is described below Production of rpm. For more information deb package production, click "Debian P ...

Performance tuning cases time2021-09-02environmentcentos7. 6. JMeter, redis, mysql, Java applications 1, jmeter's command line uses give an example: # Run in command line mode and execute test JMX test script, and save the test results to result In JTL jmeter -n -t test.jmx -l result.jtl # Specify IP distributed operation jm ...

Recently, the function of accessing linux and windows through web version and html has been used in the project. I found that Apache Guacamole has such a function. Therefore, the test experience is very good. Record it for future reference. 1, Introduction to Apache Guacamole Official website: https://guacamole.apache.org/ The main t ...

What is lnmp architecture LNMP refers to a group of free software acronyms commonly used together to run dynamic websites or servers L refers to Linux, N refers to Nginx, M generally refers to MySQL, MariaDB, P generally refers to PHP, Perl or Python LNMP represents the website server architecture of Nginx+MySQL+PHP under Linux system L ...

1. rsync overview 1.rsync is an open source, fast, multi-functional and excellent tool that can realize full and incremental synchronous backup of local or remote data. It can realize the backup and migration characteristics of data without changing the attribute information of the original data. In short, it is replication, which can be u ...

1, Kernel / include / Linux / IIO / IIO h 1.iio_dev structure struct iio_dev { int id; struct module *driver_module; int modes;//Indicates the different operating modes supported by the device int currentmode;//Indicates the mode in which the device is actually used struct device dev;//Represents the struct device on which th ...

Interprocess communication Interprocess communication is used to solve: One process passes messages to another processEnsure that two or more processes do not intersect in key activities. For example, two processes compete for a resource.Ensure the correct sequence. Competitive conditions When two or more processes read and write some share ...

Author: Daoge, a 10 + year embedded development veteran, focusing on: C/C + +, embedded and Linux. Pay attention to the official account below, reply to books, get classic books in Linux and embedded domain, and reply to PDF to get all original articles (PDF format). Other people's experience, our ladder! Hello, I'm brother Dao. Toda ...

All error reports and Solutions cmake .. Error reporting set stay make error collection stay ./ your_demo process error collection 1. Segment error (core dumped) Cause: the program has cross-border access 1) Memory access out of bounds (array out of bounds) 2) Multithreading is unsafe 3) Stack overflow (using large local variab ...

Signature of TA Take optee OS version 3.11 as an example. In optee_ The OS directory stores the private key and signature script of the signature. Project directory / optee_os/keys/default_ta.pem Project directory / optee_os/scripts/sign_encrypt.py Compiling optee OS compiles the ta into an elf file. At this point, execute the signature sc ...