rd-manual

Debug

网络服务是否开启

tcp:

• telnet {ip} {port}
• nc -z {ip} {port}

udp:

• nc -uz {ip} {port}

strace

# install
yum install centos-release-scl-rh -y
yum install strace --enablerepo=centos-sclo-rh -y

# 命令追踪，例如df -h卡顿
strace df -h