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我是 Docker 新手。我尝试在 opensuse13.2 docker 映像上安装 snmpd。安装完成。Docker 构建执行得很好。但是当尝试重新启动或检查 snmpd 服务的状态时，我遇到了错误

“snmpd 既不是服务也不是目标！？”

我的 Dockerfile：

FROM opensuse:13.2

RUN zypper update \
   && zypper ar -Gf -n packman http://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_13.2/ packman \
   && zypper ar -G http://download.opensuse.org/repositories/devel:languages:perl/openSUSE_13.2/devel:languages:perl.repo \
   && zypper --non-interactive install net-snmp

COPY entrypoint.sh /docker/
RUN chmod 755 /docker/entrypoint.sh

ENTRYPOINT ["/docker/entrypoint.sh"]

入口点.sh：

    printf 'rocommunity public 127.0.0.1 \nagentaddress udp:127.0.0.1:161' >> /etc/snmp/snmpd.conf
    service snmpd restart
    service snmpd status
    echo "restarted snmp"

Docker 构建输出： 

[root@atvts2508 docker_test]# docker build -t snmp .
Sending build context to Docker daemon  4.608kB
Step 1/5 : FROM opensuse:13.2
 ---> a0ae1667209e
Step 2/5 : RUN zypper update    && zypper ar -Gf -n packman http://ftp.gwdg.de/pub/linux/misc/packman/suse/openSUSE_13.2/ packman    && zypper ar -G http://download.opensuse.org/repositories/devel:languages:perl/openSUSE_13.2/devel:languages:perl.repo    && zypper --non-interactive install net-snmp
 ---> Using cache
 ---> 6d2d62d8e3c7
Step 3/5 : COPY entrypoint.sh /docker/
 ---> Using cache
 ---> db5f208d9464
Step 4/5 : RUN chmod 755 /docker/entrypoint.sh
 ---> Using cache
 ---> 163ab499d864
Step 5/5 : ENTRYPOINT /docker/entrypoint.sh
 ---> Using cache
 ---> 495dd68f290f
Successfully built 495dd68f290f

**Docker run output:**

[root@atvts2508 docker_test]# docker run -it snmp bash
snmpd is neither service nor target!?
snmpd is neither service nor target!?
restarted snmp

难道我做错了什么？
有人可以帮我吗？提前致谢。

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