find k8s cert valid date
2026-10-16pkidir=/etc/kubernetes/pki
cd $pkidir
#cd /etc/kubernetes/pki
for crt in $(find ${pkidir} -name "*.crt"); do openssl x509 -in $crt -noout -dates; done
openvpn
pkidir=//opt/easyrsa3/idc/pki/issued
cd $pkidir
for crt in $(find ${pkidir} -name "*.crt"); do openssl x509 -in $crt -noout -dates; done