ubuntu disk encryption

The power protection and hard disk protection functions of Thinkpad are quite good, which can ensure the stability of computer business applications. This function can also be installed in Ubuntu, but it is more complicated than the installation method of dummies in Windows, however, it is still quite a fool to execute the following command $ sudoaptitudeinstalltp-smapi-source $ sudomodule-assistantgettp-sm

, regardless of the reserved system space, the remaining space of the U disk can be exploited, in Linux, the remaining space of the USB stick in the/cdrom directory. Click "Create" to start burning, the whole process about five minutes, there will be two pop-up windows, such as progress bar completed, close the window. How to boot a system from USB First, the BIOS setting in the system can be booted from USB, and the method of entering the

Originally installed on the server is Windows Server 2003, open a number of virtual machines installed Linux to use, but found whether it is VMware or VirtualBox, there is always a memory leak, about 2 weeks or so 16G of memory is all gone, the task manager sees memory usage is full, Then not for a long time the virtual machine is not connected, Windows itself also error bomb virtual memory is not enough, but it does not crash ... Toss to unbearable, finally intend to change the system to try, t

Vmware player extended ubuntu Hard Disk space (1) increased Hard Disk space in vmware player: edit virtual machine setting-> Hard Disk-> Utilities-> expand-> Maximum Disk size; (2) install the gparted graphic partition software; www.2cto.com (3) Start gparted, create or expa

Ubuntu server cannot read the u disk content. You can only mount the u disk to/mnt,1. Insert a USB flash drive2. Input fdisk-l/dev/sda to view the output result. For example, mine is like this:# Fdisk-l/dev/sdaDisk/dev/sda: 131 MB, 131104768 bytes3 heads, 32 sectors/track, 2667 cylindersUnits = cylinders of 96*512 = 49152 bytesDevice Boot Start End Blocks Id Syst

, "Riops":sdiskio.read_count, "RKB": sdiskio.read_bytes/1024, "WKB":sdiskio.write_bytes/1024 } disklt.append (DISKDT) returndiskltclasssummary:def __init__ (self):self._hostid=1 Self._groupid=1self._hostname=host.get _hostname () self._ip=host.get_local_addr () self._ping=host.ping () self._cpu=cpu.get_cpu_info () self . _memory=memory.get_mem_info () self._network= networkcard.get_card_bytes_info () self._disk= Disk.get_disk_info () defstart_collecting (self): summary={ ' HostID ':self._

-6aee-4f32-90de-7f1d50c56028" type = "ext4"/Dev/sda5: UUID = "23776989-f354-4ffc-9d3b-c299afe9c6dd" type = "Swap"/Dev/sdb1: UUID = "d6b6542eb65410fb" type = "NTFS"/Dev/sdb2: Label = "woks" UUID = "6e29fd49-6443-4048-bc4d-d9a391bf2ce9" type = "ext4"/Dev/sdb3: Label = "winapp" UUID = "1ade5534de550981" type = "NTFS"What I need to mount is the sdb2 and sdb3 partitions.2. Modify the partition hanging in the configuration tableOpen/etc/fstabThe configuration file contains the following items:Make the

[Ubuntu] the disk prepared for/×××× is not ready or does not exist. This is because the original mounted disk partition is formatted or re-partitioned) UUID changes. For example, the disk for/windows/C is not ready or does not exist. Solution: 1. view the old UUID in the mounting script. [Plain] $ cat/etc/fstab: view t

Grub4dos: What about Ox X !!!!!!! It can recognize many file systems (NTFs (main windows system format), ext2, ext3 (main Linux system format), fat, fat16 (floppy disk format), and FAT32 (USB disk format), iso-9660 (disc format) Multiple installation methods are supported: MBR, external OS files, boot sector of a floppy disk, and boot area of a CD M

1. Using the U-disk process in VirtualBoxThe following is the entire process of using a USB stick (refer to other people's tutorials on the network, Pro-Test available):Add current user as a member of VboxusersTerminal input: Cat/etc/group |grep vboxusersA similar typeface will appear:Then enter:/usr/sbin/usermod-g Vboxusers-a Horizon (here Horizon is replaced by your current user name)Re-enter: Cat/etc/group |grep vboxusersThis time it will appear as

Because my Ubuntu system has installed a lot of software and modified many settings, I don't want to refresh the system for a long time, so I thought of how to generate an image for the existing system, in this way, even if you want to reinstall the system, you can use a custom image to directly install the system. There are a lot of software on the network, but I use the remaster sys most easily. As shown in the following figure, step by step after

Resizing Ubuntu disk capacity under VMWare 1. there are many tools in the vmwareinstallation directory, among which vmware-vdiskmanager.exe can be used here, start cmd command line mode, enter vmware-vdiskmanager press enter in the current directory, and the usage about vmware-vdiskmanager is displayed, which is used as follows: www.2cto.com # vmware-vdiskmanager-x 50 GB "xxx/xxx. vmdk "Coming Soon xxx/xxx.

, but if it is hundreds of g,1t partition will be problematic, in this case,5% is not a small number Ah!"Workaround"First, for the partition that will be formatted, take ext3 as an example:$ sudo umount/dev/sda1 # must first unload the partition, here to format the/DEV/SDA1 partition.$ sudo mkfs.ext3- m 0.05/DEV/SDA1 #Note-M after parameters,the set is already percentile, this is set to 0.05, is 0.05%, that is, extremely 5!OK, so take the 1T partition as an example, 1T=1024GB=1048576MB (all mult

First, create a mount directory.For example:Sudo mkdir/movie # create a movie folder under the root directorySudo mkdir/work # create a work folder under the root directoryView the hard disk information.Sudo fdisk-lDisk/dev/SDA: 500.1 GB, 500107862016 bytes255 heads, 63 sectors/track, 60801 CylindersUnits = cylinders of 16065*512 = 8225280 bytesDisk identifier: 0x6fd074d4Device boot start end blocks ID system/Dev/sda1*1 3251 26113626 7 HPFs/NTFS/Dev/s

Under Windows, the USB stick can read and write files normally (can be copied and pasted), but found a file cannot be opened. Then, under Linux, u can only read and write to the USB stick. Tip: Read only System.Reference: https://bugs.launchpad.net/ubuntu/+bug/2286081,# tail-f/var/log/syslog Viewing the file system's dynamic informationMay 21:31:28 controller kernel: [284792.451452] Fat-fs (SDB1): Volume is not properly unmounted. Some data may corrup

I. BACKGROUND We have the Ubuntu Server 12.04 version installed on our servers, and because of the development environment, we have no centeos or red Hat, and we have a few big hard drives that need to be mounted to the root directory, which is not the same as Windows. A single machine mount method can refer to: Under the Ubuntu12 mounted hard disk (9TB), if we need to install N machine, we have any good

For more information about how to detach a file volume from a hard disk on Ubuntu, general Linux technology, and Linux technology and applications, see the following. I cannot detach the file volume on the hard disk. The following prompt is displayed: "umount only allows root to detach/dev/sda5 from/media/sda5." How can this problem be solved? Currently, hard dis

The error content is as follows:Error Mounting:mount exited with exit code 13:ntfs_attr_pread_i:ntfs_pread failed:input/output errorfailed to read NTF S $Bitmap: Input/output Errorntfs is either inconsistent, or there is a hardware fault, or it ' s asoftraid/fakeraid hardwar E. In the first case, run chkdsk/f on Windowsthen reboot into Windows twice. The usage of the/f parameter is veryimportant! If the device is a softraid/fakeraid then first Activateit and mount a different device under The/de

How to create an Exynos 4412 u-boot disk using the TF/SD card in Ubuntu/*************************************** **************************************** ** @ Author Maoxiao Hu * @ version V1.0.1 * @ date Feb-2015 ************************** **************************************** * *********** Sudo hexdump-n 1048576/dev/sdb -N 1048576 indicates that the first 1 M = 1024*1024 = 1048576 bytes of data are pri

Problem descriptionSolve the problemWith the Ntfsfix command to resolve, first this command depends on ntfs-3g This package, if not installed, first to follow the following command to install:sudo apt-get install ntfs-3gThen use Ntfsfix to repair the corresponding partition, such as "Error Mounting/dev/sda5 At/media" errors, then repair with the following command, can be accessed after the repair.sudo ntfsfix /dev/sda5Solution for "Error Mounting/dev/sda5 At/media" errors in