here were XXX failed login attempts since the last successful login.
Too Many Open Files
vi /etc/sysctl.conf
1 | net.ipv4.tcp_keepalive_time = 1800 |
sysctl -p
时间不准确
通过ntp同步时间
- 需要安装
yum install -y ntp
- 启动
systemctl enable ntpd
- 更新时间
ntpdate -u ntp1.aliyun.com
直接修改
1 | timedatectl set-time "2022-06-10 18:34:00" |