新装了一个虚拟机,图形界面启动太慢,想调整一下按照以前的经验改运行级别,输入: vi /etc/inittab 然后发现跟之前不一样了,在inittab设置不再生效: # inittab is no longer used when using systemd. # # ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM. # # Ctrl-Alt-Delete is handled by /usr/lib/systemd/s
壹 安装Linux系统后调优及安全设置: 1 关闭SELinux功能: [root@localhost data]# sed 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/config (先用sed命令修改输出内容,再加-i修改文件内容,生产环境中也是要这样操作的) # This file controls the state of SELinux on the system.# SELINUX= can take one of