SilvM

# add self-signed certs on mac
mkdir -p /etc/docker/certs.d/c-cc40f9415b962ddb.elb.cn-northwest-1.amazonaws.com.cn\:8500
cp ca.crt /etc/docker/certs.d/c-cc40f9415b962ddb.elb.cn-northwest-1.amazonaws.com.cn\:8500/
security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain ca.crt

# Kube get image versions currently running
kubectl get deployments -o wide

SilvM

# Simplest way I know to summarise a list of subnets
import netaddr as ip
ips = [ip.IPNetwork(line.rstrip('\n')) for line in open('ip_prefixes2')]
ip.cidr_merge(ips)

# More info at https://netaddr.readthedocs.io/en/latest/

SilvM

# When that vendor says the server just powered off all of the sudden.
grep Power /var/log/messages
Aug 31 11:17:46 my_server systemd-logind: Power key pressed.
Aug 31 11:17:46 my_server systemd-logind: Powering Off...