http://wiki.cabal.mx/index.php?action=history&feed=atom&title=Comandos_de_la_terminal%2Ffallocate Comandos de la terminal/fallocate - Historial de revisiones 2026-05-10T01:20:26Z Historial de revisiones para esta página en el wiki MediaWiki 1.32.1 http://wiki.cabal.mx/index.php?title=Comandos_de_la_terminal/fallocate&diff=5642&oldid=prev Rrc en 14:41 7 ago 2014 2014-08-07T14:41:00Z <p></p> <p><b>Página nueva</b></p><div>__NOTOC__<br /> * [[:#fallocate | fallocate]]<br /> <br /> == fallocate ==<br /> <br /> &lt;syntaxhighlight lang=&quot;bash&quot;&gt;<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# fallocate --help<br /> <br /> Usage:<br /> fallocate [options] &lt;filename&gt;<br /> <br /> Options:<br /> -n, --keep-size don&#039;t modify the length of the file<br /> -p, --punch-hole punch holes in the file<br /> -o, --offset &lt;num&gt; offset of the allocation, in bytes<br /> -l, --length &lt;num&gt; length of the allocation, in bytes<br /> <br /> -h, --help display this help and exit<br /> -V, --version output version information and exit<br /> <br /> For more details see fallocate(1).<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# fallocate --version<br /> fallocate from util-linux 2.24<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# umount /dev/sdc1<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# fdisk /dev/sdc<br /> <br /> Welcome to fdisk (util-linux 2.24).<br /> Changes will remain in memory only, until you decide to write them.<br /> Be careful before using the write command.<br /> <br /> <br /> Command (m for help): p<br /> Disk /dev/sdc: 7.5 GiB, 8024752128 bytes, 15673344 sectors<br /> Units: sectors of 1 * 512 = 512 bytes<br /> Sector size (logical/physical): 512 bytes / 512 bytes<br /> I/O size (minimum/optimal): 512 bytes / 512 bytes<br /> Disklabel type: gpt<br /> Disk identifier: C5DD38DB-930E-493E-AA4A-2B9AEFFA7B8C<br /> <br /> Device Start End Size Type<br /> /dev/sdc1 2048 15673310 7.5G Linux filesystem<br /> <br /> Command (m for help): d<br /> <br /> Selected partition 1<br /> Partition 1 has been deleted.<br /> <br /> Command (m for help): p<br /> Disk /dev/sdc: 7.5 GiB, 8024752128 bytes, 15673344 sectors<br /> Units: sectors of 1 * 512 = 512 bytes<br /> Sector size (logical/physical): 512 bytes / 512 bytes<br /> I/O size (minimum/optimal): 512 bytes / 512 bytes<br /> Disklabel type: gpt<br /> Disk identifier: C5DD38DB-930E-493E-AA4A-2B9AEFFA7B8C<br /> <br /> Command (m for help): o<br /> <br /> Created a new DOS disklabel with disk identifier 0x1c37a385.<br /> <br /> Command (m for help): p<br /> Disk /dev/sdc: 7.5 GiB, 8024752128 bytes, 15673344 sectors<br /> Units: sectors of 1 * 512 = 512 bytes<br /> Sector size (logical/physical): 512 bytes / 512 bytes<br /> I/O size (minimum/optimal): 512 bytes / 512 bytes<br /> Disklabel type: dos<br /> Disk identifier: 0x1c37a385<br /> <br /> <br /> Command (m for help): n<br /> <br /> Partition type:<br /> p primary (0 primary, 0 extended, 4 free)<br /> e extended<br /> Select (default p): p<br /> Partition number (1-4, default 1): 1<br /> First sector (2048-15673343, default 2048): <br /> Last sector, +sectors or +size{K,M,G,T,P} (2048-15673343, default 15673343): <br /> <br /> Created a new partition 1 of type &#039;Linux&#039; and of size 7.5 GiB.<br /> <br /> Command (m for help): w<br /> The partition table has been altered.<br /> Calling ioctl() to re-read partition table.<br /> Syncing disks.<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# mkfs -t xfs /dev/sdc1<br /> mkfs.xfs: /dev/sdc1 appears to contain a partition table (DOS).<br /> mkfs.xfs: Use the -f option to force overwrite.<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# mkfs -t xfs -f /dev/sdc1<br /> meta-data=/dev/sdc1 isize=256 agcount=4, agsize=489728 blks<br /> = sectsz=512 attr=2, projid32bit=0<br /> data = bsize=4096 blocks=1958912, imaxpct=25<br /> = sunit=0 swidth=0 blks<br /> naming =version 2 bsize=4096 ascii-ci=0<br /> log =internal log bsize=4096 blocks=2560, version=2<br /> = sectsz=512 sunit=0 blks, lazy-count=1<br /> realtime =none extsz=4096 blocks=0, rtextents=0<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# mount -t auto /dev/sdc1 /mnt<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# mount<br /> proc on /proc type proc (rw,relatime)<br /> sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)<br /> devtmpfs on /dev type devtmpfs (rw,nosuid,size=6123732k,nr_inodes=1530933,mode=755)<br /> .<br /> .<br /> .<br /> /dev/sda3 on /home type ext4 (rw,noatime,data=ordered)<br /> /dev/sdc1 on /mnt type xfs (rw,relatime,attr2,inode64,noquota)<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# fallocate --length 2GiB /mnt/swapfile<br /> <br /> [root@Llawyr ComandosDeLaTerminal]# ls -al /mnt<br /> total 2097156<br /> drwxr-xr-x 2 root root 21 Aug 7 09:38 ./<br /> drwxr-xr-x 20 root root 4096 Aug 7 06:39 ../<br /> -rw-r--r-- 1 root root 2147483648 Aug 7 09:38 swapfile<br /> <br /> Debe usar el comando mkswap para iniciarlo y swapon para activarlo<br /> <br /> &lt;/syntaxhighlight&gt;<br /> <br /> [[Category:Comandos de la terminal]]</div> Rrc