1、永久关闭selinux,修改成permissive或者disabled(建议),修改完需重启
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或者在sysctl.conf中添加
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4.(可选)登陆后显示信息,在""中输入需要在登陆后显示的信息
[plain] view plaincopy6.优化终端超时,终端超过600秒自动断开
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