MBCDN

sudo apt install -y keepalived

Die Konfig liegt unter

/etc/keepalived/keepalived.conf

Das Github Repo verwendet autoconf.

sudo apt install build-essential libssl-dev libnl-3-dev libnl-genl-3-dev autoconf automake libtool

git clone https://github.com/acassen/keepalived.git
cd keepalived

./autogen.sh
./configure

make
sudo make install

sudo keepalived -v

sudo nano /etc/systemd/system/keepalived.service

[Unit]
Description=Keepalived Daemon
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/sbin/keepalived --dont-fork --log-console
Restart=always

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-reexec
sudo systemctl daemon-reload
sudo systemctl enable keepalived
sudo systemctl start keepalived

vrrp_instance VI_1 {
    state MASTER
    interface ens160
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass geheim
    }
    virtual_ipaddress {
        172.21.0.166
    }
}

vrrp_instance VI_1 {
    state BACKUP
    interface ens160
    virtual_router_id 51
    priority 90
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass geheim
    }
    virtual_ipaddress {
        172.21.0.166
    }
}

Man kann Prozesse, Dateien, Interfaces und eigene Scripte „tracken“.

Siehe https://docs.linuxfabrik.ch/software/keepalived.html#prozesse-mit-keepalived-tracken.

Siehe https://docs.linuxfabrik.ch/software/keepalived.html#dateien-mit-keepalived-tracken

Siehe https://docs.linuxfabrik.ch/software/keepalived.html#interfaces-mit-keepalived-tracken

Siehe https://docs.linuxfabrik.ch/software/keepalived.html#scripts-mit-keepalived-tracken

• https://docs.linuxfabrik.ch/software/keepalived.html#notifications