In the paper, the writer describes from border router firewall core router distribute switch user access in sequence to arrange the security ploy. 论文从网络边界出口路由器防火墙核心交换机汇聚交换机用户(SU)接入的顺序分别部署安全策略。
Step three : the write system call causes a context switch from user mode to kernel mode. 步骤三:系统调用write导致从用户空间到内核空间的上下文切换。
You can switch the user to usr2 without providing authentication information, because usr2 is defined as a user of TCX1 without authentication. 您可以从用户切换到usr2,无需提供身份验证信息,因为usr2被定义为TCX1无需身份验证的用户。
Note : Switch to instance user, and run db2start / db2stop. 说明:切换到实例用户,然后执行db2start/db2stop。
This causes what is known as a context switch from " user space " to " kernel space," although that's just for you information. 这就引起所谓的从“用户空间”到“内核空间”的上下文切换,不过这仅供了解之用。