Chemmy's Blog

sudo apt update & sudo apt install net-tools    # 安装 net-tools
sudo ifconfig eth0 down                         # 停用网卡
sudo ifconfig eth0 hw ether AA:BB:CC:DD:EE:FF   # 设置 MAC 地址
sudo ifconfig eth0 up                           # 启用网卡

sudo ip link set dev eth0 down                      # 停用网卡 
sudo ip link set dev eth0 address AA:BB:CC:DD:EE:FF # 设置 MAC 地址
sudo ip link set dev eth0 up                        # 启用网卡

sudo systemctl stop NetworkManager.service
sudo systemctl disable NetworkManager.service

# 修改 ech0 网卡的 MAC 地址
sudo ifconfig eth0 down # 网卡名称可使用 ifconfig 或 ip addr 查看
sudo ifconfig eth0 hw ether AA:BB:CC:DD:EE:FF
sudo ifconfig eth0 up

auto eth0                         # 网卡自动启动
iface eth0 inet static            # 静态 IP
address 192.168.1.2               # IP 地址
netmask 255.255.255.0             # 掩码
gateway 192.168.1.1               # 网关
hwaddress ether AA:BB:CC:DD:EE:FF # MAC 地址
dns-nameservers 223.5.5.5         # DNS 多个用空格隔开
dns-search .com                   # 限制 .com 的查询走上边设置的DNS服务器

sudo systemctl restart networking.service 

# 不同系统服务名可能有不太一样，如果找不到就重启系统
sudo reboot

wget https://repo.anaconda.com/archive/Anaconda3-2024.10-1-Linux-x86_64.sh

sudo chmod +x Anaconda3-2024.10-1-Linux-x86_64.sh # 文件添加执行权限

sudo sh Anaconda3-2024.10-1-Linux-x86_64.sh # 执行安装

# Please, press ENTER to continue -> 回车继续
# 阅读协议，同意按回车（跳过ctrl+c）
# Do you accept the license terms? [yes|no] -> 同意协议输入yes回车
# Anaconda3 will now be installed into this location -> 选择安装路径（本文安装/usr/local/anaconda3），等待安装
# by running conda init? [yes|no] -> 是否添加系统环境，输入yes回车
# 待安装结束

# 刷新当前用户环境（激活环境）
source /usr/local/anaconda3/bin

export ANACONDA3_ROOT=/usr/local/anaconda3
export PATH=$ANACONDA3_ROOT/bin:$ANACONDA3_ROOT/condabin:$PATH

source /usr/local/anaconda3/bin/activate
conda init

# >>> conda initialize >>>
# !! Contents within this block are managed by 'conda init' !!
__conda_setup="$('/usr/local/anaconda3/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"
if [ $? -eq 0 ]; then
    eval "$__conda_setup"
else
    if [ -f "/usr/local/anaconda3/etc/profile.d/conda.sh" ]; then
        . "/usr/local/anaconda3/etc/profile.d/conda.sh"
    else
        export PATH="/usr/local/anaconda3/bin:$PATH"
    fi
fi
unset __conda_setup
# <<< conda initialize <<<

conda config --set auto_activate_base false

default_channels:
  - https://anaconda.mirrors.sjtug.sjtu.edu.cn/pkgs/r
  - https://anaconda.mirrors.sjtug.sjtu.edu.cn/pkgs/main
custom_channels:
  conda-forge: https://anaconda.mirrors.sjtug.sjtu.edu.cn/cloud/
  pytorch: https://anaconda.mirrors.sjtug.sjtu.edu.cn/cloud/
channels:
  - defaults
show_channel_urls: true

# 新建虚拟环境 -n 为新建虚拟环境命名
conda create -n python310 python=3.10

# 删除虚拟环境
conda remove -n python310 --all

# 查看所有虚拟环境
conda env list 

# 激活虚拟环境
conda activate python310

# 退出虚拟环境
conda deactivate python310

# 适用于国内环境
$ docker buildx create --use --name=mybuilder-cn --driver docker-container --driver-opt image=dockerpracticesig/buildkit:master

# 适用于腾讯云环境(腾讯云主机、coding.net 持续集成)
$ docker buildx create --use --name=mybuilder-cn --driver docker-container --driver-opt image=dockerpracticesig/buildkit:master-tencent

# $ docker buildx create --name mybuilder --driver docker-container

$ docker buildx use mybuilder

docker buildx build --platform linux/arm,linux/arm64,linux/amd64 -t {镜像名称} . --push

# 查看镜像信息
docker buildx imagetools inspect {镜像名称}

# 生成带密码的私钥（需要输入两次密码）
openssl genrsa -des3 -out root-ca.priv.key 4096

# 去除私钥密码（需输入上一步密码）
openssl rsa -in root-ca.priv.key -out root-ca.key

# -x509：使用 X.509 证书结构
# -days：证书有效期（按天计算）
openssl req -new -x509 -key root-ca.key -out root-ca.crt -days 3650 \
    -subj "/C=CN/ST=Tianjin/L=Tianjin/O=Example/OU=DEV/CN=Example Root"

# 方式1：参考根证书私钥
openssl genrsa -des3 -out mid-ca.priv.key 4096
openssl rsa -in mid-ca.priv.key -out mid-ca.key

# 方式2：直接生成
openssl genpkey -algorithm RSA -out mid-ca.key -pkeyopt rsa_keygen_bits:4096

openssl req -new -key mid-ca.key -out mid-ca.csr \
    -subj "/C=CN/ST=Tianjin/L=Tianjin/O=Example/OU=DEV/CN=Example Mid"

openssl x509 -req \
    -extfile <(printf "subjectKeyIdentifier=hash\nauthorityKeyIdentifier=keyid:always,issuer:always") \
    -days 3650 -in mid-ca.csr \
    -CA root-ca.crt -CAkey root-ca.key \
    -CAcreateserial -out mid-ca.crt

openssl verify -CAfile root-ca.crt mid-ca.crt

# 方式1
openssl genrsa -des3 -out example.io.priv.key 4096
openssl rsa -in example.io.priv.key -out example.io.key

# 方式2
openssl genpkey -algorithm RSA -out example.io.key -pkeyopt rsa_keygen_bits:4096

openssl req -new -key example.io.key -out example.io.csr \
    -subj "/CN=example.io"

# 使用根证书签发
openssl x509 -req -days 3650 \
    -extfile v3.ext \
    -CA root-ca.crt -CAkey root-ca.key -CAcreateserial \
    -in example.io.csr -out example.io.crt

# 使用中间证书签发
openssl x509 -req -days 3650 \
    -extfile v3.ext \
    -CA mid-ca.crt -CAkey mid-ca.key -CAcreateserial \
    -in example.io.csr -out example.io.crt

openssl pkcs12 -export -out example.io.pfx -inkey example.io.key -in example.io.crt

openssl verify -CAfile root-ca.crt example.io.crt

# 查看私钥内容
openssl rsa -noout -text -in cakey.key

# 查看证书内容
openssl x509 -noout -text -in cacert.crt

# PEM 转为 DER
openssl x509 -in cacert.crt -outform der -out cacert.der

# DER 转为 PEM
openssl x509 -in cert.crt -inform der -outform pem -out cacert.pem

openssl s_server -cert example.io.crt -key example.io.key -debug -HTTP -accept 443

# 吊销证书
openssl ca -revoke cert.pem

# 生成吊销列表
openssl ca -gencrl -out testca.crl

# 查看吊销列表
openssl crl -in testca.crl -text -noout

# 包含证书和私钥
openssl pkcs12 -export -inkey server.key -in server.crt -out server.p12

# 包含证书、私钥和 CA 证书链
openssl pkcs12 -export -inkey server.key -in server.crt -chain -CAfile ca.crt -out server.p12

# 提取私钥
openssl pkcs12 -in server.p12 -nocerts -out server.key -nodes

# 提取证书
openssl pkcs12 -in server.p12 -nokeys -clcerts -out server.crt

# 提取 CA 证书
openssl pkcs12 -in server.p12 -nokeys -cacerts -out ca.crt

# 提取所有内容
openssl pkcs12 -in server.p12 -nodes -out all-in-one.pem

openssl pkcs12 -info -in server.p12

openssl genrsa -out server.key 2048
openssl req -subj "/C=CN/ST=Tianjin/O=Mocha/CN=example.io" -new -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt

openssl genrsa -out ca.key 2048
openssl req -subj "/C=CN/ST=Tianjin/O=Mocha/CN=Server CA" -new -x509 -days 3650 -key ca.key -out ca.crt
openssl genrsa -out server.key 2048
openssl req -subj "/C=CN/ST=Tianjin/O=Mocha/CN=example.io" -new -key server.key -out server.csr
openssl x509 -req -days 3650 -in server.csr -CA ca.crt -CAkey ca.key -set_serial 01 -out server.crt

sudo adduser {当前用户名} root 

sudo usermod -a -G {用户组} {用户名}

sudo apt update
sudo apt install golang

sudo tar -zxvf go1.24.2.linux-amd64.tar.gz -C  /usr/local # 解压缩到/usr/local
sudo chmod 755 -R /usr/local/go # 修改权限，一般解压后就有权限，此步可以省略

export GOROOT=/usr/local/go # Golang根目录
export GOPATH=/home/go-project # 项目根目录
export PATH=$GOROOT/bin:$GOPATH/bin:$PATH

go env -w GOPROXY=https://goproxy.cn # 七牛
go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/ # 阿里
go env -w GOPROXY=https://goproxy.io # 官方

go env -w GO111MODULE=on

go mod init