Error: ffmpeg was killed with signal SIGSEGV

• 安装 nscd

yum -y install nscd

• 启动 nscd 服务

service nscd start

• 报错

Failed to get D-Bus connection: Operation not permitted

• 解决

mv /usr/bin/systemctl /usr/bin/systemctl.old
curl https://raw.githubusercontent.com/gdraheim/docker-systemctl-replacement/master/files/docker/systemctl.py > /usr/bin/systemctl
chmod +x /usr/bin/systemctl

• 如果下载不下来，可以先下载到本地，再执行

cat systemctl.py > /usr/bin/systemctl

• 开机自动启动

chkconfig nscd on

• 停止服务

service nscd stop

参考:

• https://docs.ucloud.cn/uhost/public/dns_setting?id=step-1-%e9%85%8d%e7%bd%ae%e5%86%97%e4%bd%99dns-server%e5%9c%b0%e5%9d%80
• https://blog.csdn.net/witton/article/details/142366540
  https://www.jianshu.com/p/ca3969ed2553