ubuntu 16.04一键换源

清华源

# 1. 备份现有源
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak

# 2. 写入清华源（适配你的 Ubuntu 16.04 xenial）
sudo tee /etc/apt/sources.list <<-'EOF'
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ xenial-security main restricted universe multiverse
EOF

# 3. 更新
sudo apt update

腾讯

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak && \
sudo tee /etc/apt/sources.list <<-'EOF'
deb http://mirrors.tencentyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.tencentyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.tencentyun.com/ubuntu/ xenial-security main restricted universe multiverse
EOF
sudo apt update

华为

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak && \
sudo tee /etc/apt/sources.list <<-'EOF'
deb http://repo.huaweicloud.com/ubuntu/ xenial main restricted universe multiverse
deb http://repo.huaweicloud.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://repo.huaweicloud.com/ubuntu/ xenial-security main restricted universe multiverse
EOF
sudo apt update

阿里

sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak && \
sudo tee /etc/apt/sources.list <<-'EOF'
deb http://mirrors.aliyun.com/ubuntu/ xenial main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ xenial-security main restricted universe multiverse
EOF
sudo apt update