【Ubuntu】Ubuntu20基础配置+go开发配置

1 基础配置

1.1 安装ifconfig网络管理工具

选择NAT模式

sudo apt install net-tools

1.2 初始化root密码

sudo passwd root

weiyt@ubuntu:/etc/apt$ sudo passwd root
New password:
Retype new password:
passwd: password updated successfully

然后输入su就可以进入特权模式

1.3 换镜像源

查看ubuntu版本名

lsb_release -c

备份原来的软件源

sudo cp -v /etc/apt/sources.list /etc/apt/sources.list.backup

执行chmod命令更改文件权限使软件源文件可编辑

sudo chmod 777 /etc/apt/sources.list

替换软件源

sudo gedit /etc/apt/sources.list

阿里源

deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse

deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse

清华源

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-updates main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-updates main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-backports main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-backports main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-security main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-security main restricted universe multiverse

deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-proposed main restricted universe multiverse

deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ eoan-proposed main restricted universe multiverse

更新软件列表和软件

sudo apt update
sudo apt upgrade

1.4 关闭息屏休眠

1.5 关闭自动更新

2 开发环境

2.1 go

https://golang.google.cn/doc/install

2.1.1 建立软件目录并安装软件

tar zxvf go1.20.2.linux-amd64.tar.gz -C /usr/local/app

2.1.2 建立go工作目录

mkdir /usr/local/gopro

2.1.3 配置环境变量

gedit /etc/profile

export GO_ROOT=/usr/local/app/go
export GOPATH=/usr/local/gopro
export GOPROXY=https://goproxy.cn  #代理
export PATH=$PATH:$GO_ROOT/bin

2.2 mysql

2.2.1 安装

sudo apt-get install -y mysql-server

2.2.2 建立对外用户并更改密码

# 查看初始用户名密码
sudo cat /etc/mysql/debian.cnf
# 登录 mysql
mysql -u debian-sys-maint -p
# 修改 root 密码
use mysql;
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456';

# 建立用户wyt，密码wyt，并授权
CREATE USER 'wyt'@'%' IDENTIFIED BY 'wyt';
GRANT ALL PRIVILEGES ON *.* TO 'wyt'@'%';
FLUSH PRIVILEGES;

2.2.3 修改配置文件运行远程链接

# 修改 mysql 配置文件
sudo gedit /etc/mysql/mysql.conf.d/mysqld.cnf
#bind-address           = 127.0.0.1
#mysqlx-bind-address    = 127.0.0.1

2.3 redis

2.2.1 安装

sudo apt-get install -y redis-server

2.2.2 修改配置文件

# 修改 redis 配置文件 
sudo gedit /etc/redis/redis.conf
#bind 127.0.0.1 ::1
requirepass 123456

3 redis简单操作

redis-cli
auth 123456
select 0
keys *
set amy 10  # 赋值
get amy  # 取值
del amy  # 删除