encrypt hard drive linux

Simple Optimization of SSD hard drive on Ubuntu 1. Set the correct mounting option and enable TRIM. After Linux is installed, this is very important. To maintain long-term stability and speed, SSD needs to enable TRIM, which enables SSD to truly erase the materials marked on the chip during non-peak read/write times. This example is based on the ext4 system. For

Install Debian 6 on the hard drive of Win7. 1. Download grub4dos2. Decompress grldr. mbr, grldr, and menu. lst files to the C root directory! 3. run cmd in administrator mode and enter bcdedit/create/d "grub"/application bootsector to have a large string of IDS, which should be noted down and used later. Then: 4. bcdedit/set {id} device partition = c: 5. bcdedit/set {id} path \ grldr. mbr6.bcdedit/displayor

desktop. Into Ubuntu after a few times, feeling very uncomfortable-the interface is not good-looking, desktop version of the software is very poor, to install through the network, but we usually difficult to the net (thanks to the Education Network). In general, still prefer red Hat products, after all, others positioning in the enterprise application. And I heard that Linus used the Linux version is Fedora Oh. In the last year,

After installing ubuntu12.04 on Windows 7 hard drive, the following situations may occur (). Please advise the experts-general Linux technology-Linux technology and application information. The following is a detailed description. The interface that appears first after the computer is started Although Windows 7 is s

System Version: Ubuntu 13.04 32-bit 1. Open your mobile hard disk in the desktop environment View disk drive: df-ah Df (DiskFree) a represents all, and h Represents characters that human can understand. For details, see command df -- help.Www.bkjia.com @ linux:/dev $ df-ahFile System capacity used available % mount point/Dev/sda9 93G 8.9G 79G 11%/Proc 0 0 0-/proc

primary partition of the hard disk, the C disk of what we call the main disk and the D disk from the disk (which is relative to the two hard drive), "4" is the first area of the hard disk logical partition, and so on. Or do not edit menu.lst, see step Seventh; Step seventh, restart your computer. In the system option

After the mobile hard drive of GnomeU In Debian is automatically mounted, the problem cannot be correctly displayed in Chinese.-Debian, the Linux release technology. For details, refer to the following. After searching for a long time, edit/etc/hal/fdi/policy/preferences. fdi was fruitless. After debugging, I suspected that there was no such option in Gnome mount

HDD Mandrake first Redhat published its linux, so Mandrake how to from the hard disk installation problem becomes the focus, I because the floppy drive read disk too slow already removed, also no burner, and then use the following steps to resolve (under Windows): 1 Download Mandrake9 3 files 2 Daemon 3 files to the same directory with software that identifies IS

Install ubuntu on a USB flash drive and start Linux from the USB flash drive. If we install the Linux system directly on our hard disk, the GRUB of Linux will overwrite the boot guide of window. It is not convenient to carry. So

start.Workaround:Reinstall the system's grub information to the local hard disk MBR, and modify the/boot/grub/grub.conf file. The procedure is as follows:1, insert the installation system using the USB flash drive, normal boot Linux system.2. View hard disk partition information3, operate under the terminal:[Email pro

In linux, mounting a windows partition drive C is hda1, while disk D is hda5. For details, refer to Linux general technology-Linux technology and application information. Author: tianwaioda Principle: In the linux partition representation, the

in the process of use, you often encounter virtual machine disk space is not enough or on demand to increase the hard disk situation. the detailed steps for adding a hard disk or adding hard disk space to Linux in VMware are as follows:First, Vmware in the Linux ways to add

Start End Blocks Id System/dev/sdb1 1 1 2610 20964793 + 5 Extended/dev/sdb5 1 2610 20964762 83 LinuxWarning: invalid flag 0x0000 of partition table 5 will be corrected by w (rite) Disk/dev/sdc: 42.9 GB, 42949672960 bytes255 heads, 63 sectors/track, 5221 cylindersUnits = c Ylinders of 16065*512 = 8225280 bytes www.2cto.com Device Boot Start End Blocks Id System/dev/sdc1 11 5221 41857357 + 5 Extended/dev/sdc4 1 10 80293 + 83 Linux 2), to the

How to view hard disk models and hard disk serial numbers in linux hdparm-I/dev/hda display hard disk settings [root @ cnscn ~] # Hdparm/dev/sda: IO_support = 0 (default 16-bit) readonly = 0 (off) readahead = 256 (on) geometry = 19929 [number of cylinders]/255 [number of magnetic heads]/63 [number of sectors], sectors

16065*512 = 8225280 bytes www.2cto.com Device Boot Start End Blocks Id System/dev/sdc1 11 5221 41857357 + 5 Extended/dev/sdc4 1 10 80293 + 83 Linux 2), to the hard disk partition fdisk/dev/sdb E. g.: fdisk/dev/hda (for the first IDE disk) or: fdisk/dev/sdc (for the third SCSI disk) or: fdisk/dev/eda (for the first PS/2 ESDI drive) Command action l list known par

Do not want to shut down the system directly add disk, found that the Linux system does not automatically recognize the newly added hard disk;1. View the existing disk, only one disk SDA;[Email protected] ~]# fdisk-ldisk/dev/sda:21.5 GB, 21474836480 bytes, 41943040 sectorsUnits = sectors of 1 * MB = bytesSector size (logical/physical): bytes/512 bytesI/O size (minimum/optimal): bytes/512 bytesDisk label Typ

Linux command: Hdparm Function Description: Display and set the parameters of the hard disk.Syntax: hdparm [-cfghiiqttvyyz][-a Supplemental Note: Hdparm can detect, display and set parameters for IDE or SCSI hard drives.Parameters-a-a-C Sets the IDE32 bit I/O mode.-C detects the power management mode of the IDE hard di

Linux Mounted optical drive, floppy drive, u disk 2008-02-28 21:46:26|Category: Linux | Tags: | size big Small SUBSCRIBE Mount-t Iso9660/dev/cdrom/mnt/cdrom Hanging Optical DriveMOUNT-T vfat/dev/fd0/mnt/floppy Floppy drive (file type can be selected)Mount-t Vfat-o Rw,utf8,u

)Filesystem label=OS Type:linuxBlock size=4096 (log=2)Fragment size=4096 (log=2)2621440 inodes, 5241198 blocks262059 blocks (5.00%) reserved for the Super userFirst Data block=0Maximum filesystem blocks=0Block groups32768 blocks per group, 32768 fragments per group16384 inodes per groupSuperblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632,2654208,4096000Writing Inode Tables:doneCreating Journal (32768 blocks): DoneWriting superblocks and filesystem acc

will be less than that of the outer ring track. A sector is the smallest unit of data that can be read on a disk , a size of 512Bytes, which means that 1 bytes of files, regardless of whether the volume of data in this sector is 2KB or 16KB, is the size of a sector. The data inside each sector is treated as continuous data, so when you actually access it, you need to specify the address of the data in the sector to find the data you need.Four, the hard