以 rabbitmq 为例子,来看看他是用什么用户来跑的!是 root 还是普通用户,还是一般特权用户!
<code class="shell">root@taskgen_rabbitmq_host:/proc/1# ps -eo pid,user,group,euser,egroup,cmd PID USER GROUP EUSER EGROUP CMD 1 rabbitmq rabbitmq rabbitmq rabbitmq /bin/sh /opt/rabbitmq/sbin/rabbitmq-server 21 rabbitmq rabbitmq rabbitmq rabbitmq /usr/local/lib/erlang/erts-12.2/bin/beam.smp -W w -MBas ageffcbf -MHas ageffcbf -MBlmbcs 512 -MHlmbcs 512 -MMmcs 30 -P 1048576 -t 5000000 -stbt db -zdbbl 128000 -sbwt none -sbwtdcpu none -sbwtdio none -B i -- -root /usr/local/lib/erlang -progname erl -- -home /var/lib/rabb 29 rabbitmq rabbitmq rabbitmq rabbitmq erl_child_setup 1048576 163 rabbitmq rabbitmq rabbitmq rabbitmq /usr/local/lib/erlang/erts-12.2/bin/epmd -daemon 294 rabbitmq rabbitmq rabbitmq rabbitmq inet_gethost 4 295 rabbitmq rabbitmq rabbitmq rabbitmq inet_gethost 4 7288 root root root root bash 7458 root root root root ps -eo pid,user,group,euser,egroup,cmd
咱们能够看到,user
是 rabbitmq
,这个 rabbitmq
有特权吗?
<code class="shell">root@taskgen_rabbitmq_host:/proc/1# awk -F: '$3==0 {print $1}' /etc/passwd root
能够看到,只有一个特权用户,即 root
,rabbitmq
没有特权