Programming VIP

One software package (source package and binary package) There are many software packages under Linux, and almost all of them are licensed by GPL and open source for free (free source code). GPL, the full name of which is General Public License, and its Chinese name is "General Public License". It is simply understood that GPL is an ...

Fact and task control 1, Ansible management facts ansible fact description Ansible is actually a variable that ansible automatically detects on the managed host The fact contains host related information that can be used like regular variables, conditions, loops in play, or any other statement that depends on values collected from mana ...

Introduction to CMake - know almost 0 Sequential CMake is a cross platform open source construction tool. Using CMake can easily manage the directory hierarchy that depends on multiple libraries, generate makefile s, and use GNU make to compile and connect programs. 1. Build a single file 1.1 compile using GCC suppose now we want to write a fun ...

What is a thread A process does only one thing at a time. With multiple control threads, the process can be designed to do more than one thing at the same time, and each thread handles independent tasks. Process is an instance of program execution and the basic unit for allocating system resources. In the system of thread oriented design, ...

1, Display system foundation Hardware terminology 1) Layer: a layer processing unit that can process an input image. It is divided into video and ui types according to the supported image formats. 2) Channel: a hardware channel, including several layer processing units, which can process several (typical 4) layers with the same format at the ...

Ansible fact Ansible is actually a variable that ansible automatically detects on the managed host. The fact contains host related information that can be used like regular variables, conditions, loops in play, or any other statement that depends on the values collected from the managed host. Some of the facts collected for managed hosts may ...

Fact, cycle and condition judgment 1. Describe Ansible facts Ansible is actually a variable that ansible automatically detects on the managed host. The fact contains host related information that can be used like regular variables, conditions, loops in play, or any other statement that depends on the values collected from the managed host ...

opening Compatibility between sshd and xhsell rails c Using commands in background terminals echo "KexAlgorithms curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1" >> /etc/ssh/sshd_config Then restart the sshd service or reload the service configuration file system ...

mysql service 1 1. Summarize the common storage engines and characteristics of mysql. show engines; View database engines supported by the database MyISAM engine features: Transaction not supportedRead and write are mutually exclusive and cannot be read or written at the same timeForeign keys are not supportedRead and write data faster an ...

Note: this blog is MySql table operation instruction 1. If you want to learn the basic MySql instructions, you can use the author Blog Learning; If you want to practice further, you can do it after learning Operation 2 After that, according to Blog MySql instance Practice! Add, delete, query and modify ~ simple instructions Create table ...