Installation, deletion, modification and query of database in linux
Installation and initialization of mariadb
yum install mariadb-server.x86_64 -y
systemctl status mariadb
systemctl start mariadb
systemctl enable mariadb
mysql
netstat -antlupe | grep mysql See mysql port
vim /etc/my.cnf
//Add skip networking = 1 skip network for security
systemctl restart mariadb Restart service
mysql ...
Posted by DeadDude on Sat, 04 Jan 2020 11:44:08 -0800
Kubernetes/6.Pod Resource Management
1. Labels
Labels are "key value" types of data that can be specified directly at the time of resource creation or added on demand at any time, and then checked for matching by the tag selector to complete resource selection.
You need to be aware of:
An object can have more than one tag, and the same tag can be added to more than one ...
Posted by PHP Novice on Sat, 04 Jan 2020 09:35:40 -0800
Using python code to intercept ddos Attacks
Recently, the company's servers have been attacked by a large number of requests, and the other side constantly requests to visit the web site. It takes up the broadband of the server, which makes it inaccessible to ordinary users.
Headache, so I studied for a day, wrote a script with python, extracted a large number of reques ...
Posted by MikeNye on Fri, 03 Jan 2020 22:37:00 -0800
Docker Containers - Mirror Management, Port Mapping, Container Interconnection
Layer of docker image
_Each instruction in the Dockerfile creates a new mirror layer;_Mirror layers will be cached and reused;_When the instructions of the Dockerfile are modified, the copied file changes, or the variables specified when the image is built are different, the corresponding mirror layer cache will fail;_When the mirror cache of ...
Posted by nadeemshafi9 on Fri, 03 Jan 2020 20:18:01 -0800
About Redis cache database
1, Redis cache database
Redis is an open source using ANSI C language Write, support network, memory based and persistent log type, key value data base . Redis and Memcached are similar, but redis supports more storage value types. Here is a brief introduction to the difference between redis and Memcached
Comparison and sel ...
Posted by B-truE on Fri, 03 Jan 2020 10:17:19 -0800
Enter the running docker container
When using the docker container, we always want to see what the container looks like inside: we can use the docker exec command to meet our expectations:
➜ compose docker exec --help
Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]
Run a command in a running container
Options:
-d, --detach Detached mode: run comma ...
Posted by ifty on Fri, 03 Jan 2020 08:46:58 -0800
[Linux] Database Management
The database organizes, stores and manages data according to the data structure. It is a warehouse built on the computer storage device.
Simply speaking, it can be regarded as an electronic file cabinet itself - the place where electronic files are stored. Users can add, intercept, update and delete data in files.1. Install and deploy http://w ...
Posted by matrixd on Wed, 01 Jan 2020 22:34:22 -0800
Laravel task scheduling
Here is an example of Laravel task scheduling. For related methods, please refer to: http://laravelacademy.org/post/8484.html
1. make:command generate task
php artisan make:command MigrateData
After executing the above command, a new Commands directory will be created in the Console directory, which contains a MigrateData. ...
Posted by alan007 on Wed, 01 Jan 2020 12:44:13 -0800
Nginx reverse proxy and cache usage
Bowen structureReverse Proxyproxy cache
nginx optimization
Reverse proxy (case)
1. Reverse Proxy means that a proxy server accepts a client's connection request, then forwards the request to the web server on the network (possibly apache, nginx, tomcat, iis, etc.), and returns the result from the web server to the client requesting the conne ...
Posted by anauj0101 on Wed, 01 Jan 2020 01:03:43 -0800
saltstack -- online environment (1)
Install mysql on 11
yum install mariadb mariadb-server -y
Add in mysql configuration file my.cnf
init_connect='SET collation_connection = utf8_unicode_ci'
init_connect='SET NAMES utf8'
character-set-server=utf8
collation-server=utf8_unicode_ci
skip-character-set-client-handshake
Start mysql after configuration
Set the password befor ...
Posted by crusty_php on Tue, 31 Dec 2019 15:45:00 -0800