缺大德的环境依赖检查逻辑

root@vcpe:~/feilian_vcpe_v3.0.13_b1596# sudo ./install.sh *
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[Start] checking environment

Warning: To ensure that FeiLian CPE can run normally, please remove the soft link of /etc/resolv.conf
1. sudo cat /etc/resolv.conf > /tmp/resolv.conf.bak
2. sudo unlink /etc/resolv.conf
3. sudo cp -f /tmp/resolv.conf.bak /etc/resolv.conf

第二次：
=========================================================
[Start] checking environment

Warning: To ensure that FeiLian CPE can run normally, please disable systemd-resolved first:
1. sudo systemctl stop systemd-resolved.service
2. sudo systemctl disable systemd-resolved.service

第三步：
[Start] checking environment

Warning: keepalived is not installed.. Please install it and try again.
sudo apt install keepalived

此时想问候这设计师了~