38、移动介质和磁盘常见工具

[14:30:43root@LGW-Linux-7data]#mount /dev/cdrom /mnt
mount: /dev/sr0 is write-protected, mounting read-only
[14:33:06root@LGW-Linux-7data]#cp /mnt /data/centos.iso
cp: omitting directory ‘/mnt’
[14:33:18root@LGW-Linux-7data]#cp /dev/cdrom /data/centos.iso
^C
[14:34:12root@LGW-Linux-7data]#umount /mnt
[14:34:26root@LGW-Linux-7data]#mount -o loop /data/c
centos.iso     checkdisk.sh   cmatrix/       createuser.sh  
[14:34:26root@LGW-Linux-7data]#mount -o loop /data/c
centos.iso     checkdisk.sh   cmatrix/       createuser.sh  
[14:34:26root@LGW-Linux-7data]#mount -o loop /data/centos.iso /mnt
mount: /dev/loop0 is write-protected, mounting read-only
[14:34:48root@LGW-Linux-7data]#cd /mnt
[14:34:55root@LGW-Linux-7mnt]#ll
total 678
-rw-rw-r--. 1 root root     14 May  2  2018 CentOS_BuildTag
drwxr-xr-x. 3 root root   2048 May  4  2018 EFI
-rw-rw-r--. 1 root root    227 Aug 30  2017 EULA
-rw-rw-r--. 1 root root  18009 Dec 10  2015 GPL
drwxr-xr-x. 3 root root   2048 May  4  2018 images
drwxr-xr-x. 2 root root   2048 May  4  2018 isolinux
drwxr-xr-x. 2 root root   2048 May  4  2018 LiveOS
drwxrwxr-x. 2 root root 655360 May  4  2018 Packages
drwxrwxr-x. 2 root root   4096 May  4  2018 repodata
-rw-rw-r--. 1 root root   1690 Dec 10  2015 RPM-GPG-KEY-CentOS-7
-rw-rw-r--. 1 root root   1690 Dec 10  2015 RPM-GPG-KEY-CentOS-Testing-7
-r--r--r--. 1 root root   2883 May  4  2018 TRANS.TBL

mkisofs -r -o /data.iso /data

wodim -v -eject centos.iso