tcpdump -i ens18 not ip6 and "udp or tcp or icmp" and src host 10.0.0.1 -n -w /tmp/save.pcap
LVM卷的挂载:
vgscan 扫描LVM卷
vgchange -ay 激活所有LVM卷
lvs 查看LVM卷详细信息
挂载LVM卷 mount /dev/mapper/DEV/mnt
mkfs.ext4 /dev/sdb1 格式化
fdisk -l /dev/sdb 查看
fdisk /dev/sdb 操作(删除分区等)
select * from mysql.user where user='root'G;
DESC mysql.user; 表的结构
UPDATE ac_user SET password_=md5("test") WHERE username="test";
INSERT INTO web_conf.sys_user (ID, USERNAME, PASSWORD) values (5, "test", md5("123"));