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infra-estrutura:linux:criando_particoes_sistema_de_arquivos_arquivos_de_imagem

Essa é uma revisão anterior do documento!


root@dns64:~# cat /sys/module/loop/parameters/max_part
31
root@dns64:~# losetup /dev/loop0 disco.img 
root@dns64:~# mkfs.ext4 /dev/loop0p1
mke2fs 1.42.13 (17-May-2015)
Discarding device blocks: done                            
Creating filesystem with 92160 1k blocks and 23040 inodes
Filesystem UUID: 92f7e5ce-6edf-4949-8a79-76506e51e9e1
Superblock backups stored on blocks: 
        8193, 24577, 40961, 57345, 73729
 
Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done 
 
root@dns64:~# mount /dev/lo
log           loop0p1       loop1         loop3         loop5         loop7         
loop0         loop0p2       loop2         loop4         loop6         loop-control  
root@dns64:~# mount /dev/lo
log           loop0p1       loop1         loop3         loop5         loop7         
loop0         loop0p2       loop2         loop4         loop6         loop-control  
root@dns64:~# mount /dev/loop0p1 /mnt/
root@dns64:~# ls /mmn
ls: cannot access '/mmn': No such file or directory
root@dns64:~# ls /mnt/
lost+found
root@dns64:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            469M     0  469M   0% /dev
tmpfs            98M  4.6M   93M   5% /run
/dev/sda1        15G  2.1G   12G  15% /
tmpfs           488M     0  488M   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           488M     0  488M   0% /sys/fs/cgroup
tmpfs           100K     0  100K   0% /run/lxcfs/controllers
tmpfs            98M     0   98M   0% /run/user/1000
/dev/loop0p1     84M  1.6M   76M   2% /mnt
root@dns64:~#