CentOS7之常用服务

介绍

我是一个前端工程师，对于后端还算是个新手，下面是我手机的一些关于阿里云Centos7使用的一些工具，希望对你有帮助。

开发者工具

# 安装gcc, g++, make, git, svnyum clean allyum groups mark install "Development Tools"yum groups mark convert "Development Tools"yum groupinstall "Development Tools"#选择安装(相关库的头文件)yum install python-devel libffi-devel zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libxslt-devel libxml2-devel libjpeg-turbo-devel

EPEL源

sudo yum install epel-release

任务管理器

#需要EPEL源sudo yum install ncdu  #磁盘大小查看sudo yum install htop atop #内存，CPU实用sudo yum install iotop #磁盘使用IOsudo yum install iftop #网络

Node.js:

#需要EPEL源sudo yum install nodejs

Python语言

pip

#安装pip$ wget https://bootstrap.pypa.io/get-pip.py$ python ./get-pip.py

pyenv

# 安装pyenvcurl -L https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | bash>然后你需要把以下内容粘贴到[~/.bash_profile]文件中# pyenvPYENV_ROOT="$HOME/.pyenv"PATH="$PYENV_ROOT/bin:$PATH"eval "$(pyenv init -)"

pyenv-virtualenvwrapper

    #安装pyenv-virtualenvwrapper    git clone https://github.com/yyuu/pyenv-virtualenvwrapper.git ~/.pyenv/plugins/pyenv-virtualenvwrapper    #安装virtualenvwrapper    sudo pip install virtualenvwrapper    >然后你需要把以下内容粘贴到~/.bash_profile文件中    #pyenv virtualenvwrapper    pyenv virtualenvwrapper_lazy

文件传输

语法: scp 用户名@地址:{from} {to}

scp sirius@54.174.51.64:/home/sirius/articles.csv .scp ./articles.csv sirius@54.174.51.64:/home/sirius/

nginx服务

# 下载nginx到/tmpcurl -o /tmp/nginx.rpm http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm# 安装rpm, 此rpm包含yum配置信息rpm -ivh /tmp/nginx.rpm  # 安装nginxyum install nginx# 2选1, 启动nginx服务, 此时访问公有IP, 就能看到欢迎页面了systemctl start nginxservice nginx start# 配置文件位置/etc/nginx/nginx.conf

mongoDB数据库

# 1. 创建/etc/yum.repos.d/mongodb-org-3.0.repo文件内容如下:[mongodb-org-3.0]name=MongoDB Repositorybaseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.0/x86_64/gpgcheck=0enabled=1# 2.运行sudo yum install -y mongodb-org

MySQL

安装

sudo yum updatewget http://repo.mysql.com//mysql57-community-release-el7-8.noarch.rpmsudo rpm -ivh mysql57-community-release-el7-8.noarch.rpmsudo yum updatesudo yum install mysql-server

启动 sudo systemctl start mysqld

临时密码 sudo grep 'temporary password' /var/log/mysqld.log

安全配置 sudo mysql_secure_installation

用户与表权限

 create database testdb; create user 'testuser'@'localhost' identified by 'password'; grant all on testdb.* to 'testuser' identified by 'password';

重置密码

sudo systemctl stop mysqldsudo systemctl set-environment MYSQLD_OPTS="--skip-grant-tables"sudo systemctl start mysqldmysql -u rootuse mysql;update user SET PASSWORD=PASSWORD("password") WHERE USER='root';flush privileges;exitsudo systemctl stop mysqldsudo systemctl unset-environment MYSQLD_OPTSsudo systemctl start mysqld

Scrapyd

sudo pip install pyOpenSSLsudo pip install lxmlsudo pip install scrapyd

PM2:

# 正常启动Express项目，也就是cd <项目目录>npm start` 或者 `node main.js# 使用pm2启动cd <项目目录>pm2 start npm --name='express' -- start

其他语言:

python命令:

scrapyd --pidfile /var/log/scrapyd/twistd.pid -l /var/log/scrapyd/logs/scrapyd.log

pm2命令:

pm2 start scrapyd --interpreter python --name=scrapyd -- --pidfile "/var/log/scrapyd/twistd.pid" -l "/var/log/scrapyd/logs/scrapyd.log"

docker

sudo yum install -y yum-utils device-mapper-persistent-data lvm2sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.reposudo yum install docker-ce# startsudo systemctl start docker# testsudo docker run hello-world