{
    "Dhcp4": {
        "server-tag": "DHCPv4-A",
        "interfaces-config": {
            "interfaces": [
                "enpXsY"
            ],
            "dhcp-socket-type": "raw"
        },
        "control-socket": {
            "socket-type": "unix",
            "socket-name": "/tmp/kea-dhcp4-ctrl.sock"
        },
        "hooks-libraries": [
            {
                "library": "/usr/lib64/kea/hooks/libdhcp_mysql_cb.so"
            }
        ],
        "config-control": {
            "config-databases": [
                {
                    "type": "mysql",
                    "name": "kea",
                    "user": "kea",
                    "password": "******",
                    "host": "host",
                    "port": 3306
                }
            ],
            "config-fetch-wait-time": 20
        },
        "lease-database": {
            "type": "mysql",
            "name": "kea",
            "user": "kea",
            "password": "******",
            "host": "host",
            "port": 3306
        },
        "hosts-database": {
            "type": "mysql",
            "name": "kea",
            "user": "kea",
            "password": "******",
            "host": "host",
            "port": 3306
        },
        "loggers": [
            {
                "name": "kea-dhcp4",
                "output_options": [
                    {
                        "output": "/var/log/kea/dhcp4.log"
                    }
                ],
                "severity": "INFO",
                "debuglevel": 0
            }
        ]
    }
}

dnf install epel-release
dnf config-manager --set-enabled crb

dnf install cmake automake autoconf g++ libtool flex
dnf install openssl-devel libdnet-devel hwloc-devel luajit-devel libpcap-devel pcre-devel xz-devel zlib-devel

git clone https://github.com/snort3/libdaq.git
./bootstrap
./configure
make install
ldconfig


git clone https://github.com/snort3/snort3.git
./configure_cmake.sh
cd build
make -j $(nproc)
make install

颜色是通过眼、脑和我们的生活经验所产生的一种对光的视觉效应,我们肉眼所见到的光线,是由频率范围很窄的电磁波产生的,不同频率的电磁波表现为不同的颜色,对色彩的辨认是肉眼受到电磁波辐射能刺激后所引起的一种视觉神经的感觉。
但色彩在电脑里面是如何表示的呢?围绕色彩又有哪些常用的算法呢?请看下文:

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