centos9 centos stream 安装node_exporter

dnf -y install epel-release

vim /etc/yum.repos.d/prometheus.repo

[prometheus]
name=prometheus
baseurl=https://packagecloud.io/prometheus-rpm/release/el/8/$basearch
repo_gpgcheck=1
gpgcheck=0
enabled=1
gpgkey=https://packagecloud.io/prometheus-rpm/release/gpgkey
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

[prometheus-source]
name=prometheus-rpm_release-source
baseurl=https://packagecloud.io/prometheus-rpm/release/el/8/SRPMS
repo_gpgcheck=1
gpgcheck=0
enabled=1
gpgkey=https://packagecloud.io/prometheus-rpm/release/gpgkey
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300

dnf -y install node_exporter

systemctl enable node_exporter