GBase8a部署前環境一般檢查

------------selinux 
[root@test01 sysconfig]# vi /etc/selinux/config 
reboot 
[root@test01 sysconfig]# sestatus

----------防火牆 
[root@test01 sysconfig]# systemctl status firewalld.service 
[root@test01 sysconfig]# systemctl stop firewalld.service 
[root@test01 sysconfig]# systemctl disable firewalld.service 
-----------sshd 
[root@test01 ~]# service status sshd

------------修改虛存配置 
[root@test01 opt]# echo ‘* soft as unlimited’>>/etc/security/limits.conf 
[root@test01 opt]# echo ‘* hard as unlimited’>>/etc/security/limits.conf

----------關閉transparent_hugepage引數 
[root@test01 ~]# vi /etc/default/grub 
GRUB_CMDLINE_LINUX=“crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet transparent_hugepage=never” 
[root@test01 opt]# grub2-mkconfig -o /boot/grub2/grub.cfg 
重啟 
[root@test01 opt]# cat /sys/kernel/mm/transparent_hugepage/enabled