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上传 scp -r 本地文件路劲 用户名@目标主机地址:路径
下载:scp -r 用户名@目标主机地址:路径 本地目录
ls -A /root //查看root文件下所有的隐藏文件
命令:ls 选项:
-l:查看文件属性
-h:文件/目录大小显示单位(需要和-l连用)
-A:显示以`.`开始的隐藏文件
-a:会显示所有以`.`开始的文件
-d:查看目录本身
ls --help //查看所有ls对应的属性
map nmap //看nmap的手册/指南
mkdir //创建目录
ls -ldh //以人类便捷的方式查看目录
cp -r //加-r递归复制
cp -r /boot/grub2 /root/mulu1 //把grub2 复制到mulu1
ls /root/*.cfg //查看root目录下所有以.cfg后缀的内容
mv /root/mulu1/grub2 /root/mulu1/grub2.bak //虽然是mv移动,实际是改名操作
vim /proc/cpuinfo //查看CPU
/word //n查找下一个匹配结果 N查找上一个匹配结果
vimtutor //查看vim的教程
useradd nvshen //添加nvshen用户
id nvshen //查看nvshen的id信息
userdel -r nvshen //删除用户的时候加 -r 删除的彻底
上图的-a -d分别是 添加删除的意思
-rw-r--r--. 1 root root 1954 5月 26 16:33 /etc/passwd
第一个 -:文件 d:目录
属主:代表当前文件或目录属于哪一个用户
属组:代表当前文件或目录属于哪一个组
//修改lvbu的密码