on device Manager, Uninstall thecd-rom Device and Scan for hardware changes.650) this.width=650; "title=" 111.jpg "style=" Float:none; "src=" http://s3.51cto.com/wyfs02/M01/8D/0F/ Wkiom1ieidodrqwcaadrvwzfmvi504.jpg "alt=" Wkiom1ieidodrqwcaadrvwzfmvi504.jpg "/>Set the Tag to 3, Start to 1650) this.width=650; "title=" 112.jpg "style=" Float:none; "src=" http://s3.51cto.com/wyfs02/M02/8D/0F/ Wkiom1ieidow36dlaabrwz_fhkq610.jpg "alt=" Wkiom1ieidow36dlaabrwz_fhkq610.jpg "/>Procedures to enable the
1,puppet--server,client,agent time no SYN case erorPuppet Agent--server Frontend-tErr:could not request certificate:execution expiredExiting; Failed to retrieve certificate and Waitforcert are disabledNTPDATE[31953]: The NTP socket is on use, exitingNo server suitable for synchronization found[Ruiy tips TOPICS,VMI Date init instance date fetch set from PM (physics machines), LAN Time-server,sync Local host time can be set later]2,one mirroring and VMI definition template conf updateEditor=vi euc
instance, too small, maybe but openstack can not be used.After the creation, open the virtual machine, select the previously downloaded image, to start the following screen:Select Install for installation.User name:You may be asked to set the user name during the installation, and the default is UbuntuDisk Partitioning:There are several different partitioning methods, the default partitioning method is LVM partitions, in this way will create three partitions (/boot,/, swap), this kind of partit
points to note:1. When uninstalling, you must exit the directory you want to uninstall. Otherwise it will error, device is busy equipment is busy.2. The uninstall command is certain to carry out, can not be omitted, or there will be serious problems, remember.How do I mount a USB flash drive?Because the USB flash drive and the hard disk, there will be a device name, for example:/DEV/SDB1 represents the first partition of the second hard disk, of course, this is to give an example, that is, firs
First there is an ISO file and UltraISO (soft disk pass)
After decompression, open as shown
The second step, the point file selection opens.
The third step is to select the ISO image file you want to burn. (Note that the ISO file is open)
In the fourth step, you can see the contents of the CD and see if your disc is a bootable disc. Then click "Burn Disc Image" as shown.
The fifth step chooses the write speed, in order
How do we remove invalid drive letter, extra disk descriptors the computer looks very messy, how to delete these invalid letter? The following share the deletion method.
Press and hold the shortcut key Win+r
Open Run input compmgmt.msc carriage return
Select Disk Management in the window
This is the disc drive letter
Right-click the drive letter that you want to remove, and select Change Drive letter and path.
In the pop-up window
ISO files, stand-alone game players and computer repair are not unfamiliar. Stand-alone games are generally ISO, especially in foreign games. Install the system, now generally the system is packaged into ISO, so often see. So, how to open the ISO file is the most convenient, small weave this teaches you. Now do the system all know that the system files are almost all ISO format. If we want to convert it to "optical drive", then we do not have to unzip the ISO file or open it so time-consuming! 1
command: There is an executable file corresponding to the command name in a path on the file systemEnvironment variables: named memory spaceVariable assignment:Name=jerryPath: Paths separated by colonsPrintenv: Print Current user environment variable informationHash: View executed commandsType: Shows which type of command is specified (built-in, internal, shell command)Date: Time management (System clock)Clock,hwclock: Hardware ClockGet help with the use of commands:Internal command:Help COMMAN
This triple disc consists of,,, and other DOS tools.
Among them, Ghost uses the deep compact version 5.6 production, the patch updates to March 07, the integrated Drive and the commonly used software.Windows XP chooses the deep compact version 5.6, uses the Vol. version to be free of activation, passes the genuine attestation.Windows PE Micro operating system is only 85M, for system emergency maintenance, support network functions, can be installed to the hard drive and U disk.
Lenovo ThinkPad E420 installed SSD to the CD-ROM drive bit, the BIOS can not find, PE to find SSD.
Download old peaches PE version installed to U disk, start with U disk, enter WinPE, install system to SSD hard drive, reboot, BIOS can't find SSD hard drive, so will not start SSD system, only start original mechanical hard drive system.
Run the PE built-in boot repair software (bootthink), select Automatic Repair,
After the repair, there are two s
Start the operating system with a CD, as shown in
When you start, select Applications-I, Install-to-drive in the upper-left corner. The following actions can be referred to here.
After installing in VMware Player, you need to install VMware tools. and VMware Tools needs to install GCC, kernel-devel, kernel-headers.
# yum Install gcc# yum Install Kernel-devel# yum Install Kernel-headers
If the name # NAME-A displays the version number, an
Q: I installed a couple of hard drives a few days ago I loaded two hard drives onto an IDE line, and the hard drive was not recognized. Later, the main disk and CD-ROM installed together, found the hard drive and optical drive, but there has been "chassis intrusion Warning", what should I do?A: Chassis intrusion warning means: your cover is open. Remove this information simply by covering it, or by clicking on the motherboard instructions to block the
When you enter a new company, you need to use linux commands. Therefore, there is less than one entry per day. For supervision on their own learning and use. If there are any mistakes, please advise. The cd command is one of the most commonly used commands in linux, and I think the other should be ls (later ). The main function is to jump to the specified directory of the cd command.
Several cd shortcuts
Cd is a command that engineers use every day. Today I will share some tips related to cd.
Cd
If you use cd ~ To enter the home directory of the current user, you can try typing cd directly. Similarly, do
Ls- L : Long Format File type: the - : Normal file (f)D: Catalog FilesB: block device files (blocks)C: character device files (character)L: Symbolic Link file (symbolic Linkfile)P: command Pipe file (pipe)S: socket file (socket) File permissions: 9-bit, every 3-bit group, each group: rwx (Read, write, execute), r-- Number of hard links to files owner of the file Genus Group of files File size (size), in bytes timestamp (timestamp): Last Modified time access: access Modified: Modify, the file con
Tags: day environment variable IDA BSP statement connection other switch directory archLinux CD commands can be said to be the most basic Linux command statements, used to switch directories, is the shell's built-in commands, to do other things, are built on the use of CD commands. Therefore, to learn the common Linux commands, the first step is to learn How to use the
Cd [dir] converts the current directory to dir. The default directory is home, which can be an absolute or relative path. # Return to the home directory cdcd ~ # Jump to the parent directory cd ../.. # jump to the upper two levels of cd... # In the current directory to jump to the last Directory cd-# use the last param
Learn about the concept of drive and character
Drive: Refers to a storage area formatted with a drive letter, which can be a hard disk, a floppy disk, a CD-ROM, and a USB stick.
Drive letter: Is hard disk, floppy disk, CD-ROM, USB stick on the computer to display the disc symbols, such as the computer's C:,D:,E:,F: such as the letter, which according to your computer partition situation command
ArticleDirectory
Preparations before you start:
Start to create a win7 activation free CD image:
Written below:
Three prerequisites for downloading ":
For a long time, many people want to downloadActivation-free Windows 7 CD imageOnce installed, it is automatically activated, which is undoubtedly very convenient. However, for various reasons, different dimensions cannot provide such
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