无法在Ubuntu上运行Cassandra服务器.权限被拒绝错误

Question

我能够在ubuntu上设置cassandra但是在执行以下命令时paranjai是用户

paranjai @ ubuntu:〜$ /etc/init.d/cassandra start

收到以下错误

cat:/var/run/cassandra.pid:权限被拒绝无法为用户'cassandra'设置组ID错误验证用户'cassandra'cat:/var/run/cassandra.pid:权限被拒绝cat:/ var/run/cassandra. pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/ var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝cat:/ var/run/cassandra.pid:权限被拒绝cat:/var/run/cassandra.pid:权限被拒绝

任何帮助表示赞赏.谢谢

Answer 1

使用sudo:

sudo /etc/init.d/cassandra start