In the Linux system, in addition to the local hard drive, you will often use the CD and U disk and other external storage devices, the use of CD-ROM or u disk requires root permissions to complete
1. How to use the disc
(1). device files for optical discs: The Linux system uses the device file "/dev/cdrom" to represent the optical drive in the system, and the user only needs to use the device file to use
Today, when writing a shell script, you want to use a CD to enter the Xargs pipeline output directory, but prompted the error. Details are as follows:
"Environment description"
Directory structure:
[Root@test1 nagiosclient_db]# ls-ltr
Total 2488
-rw-r--r--. 1 root 405725 Mar 3 14:12 nrpe-2.12.tar.gz
-rw-r--r--. 1 root 2095419 Mar 3 14:12 nagios-plugins-1.4.15.tar.gz
Drwxrwxrwx. 501 root 4096 Mar 3 14:36 nagios-plugins-1.4.15
Drwxrwxr-x. 7 4096
cd change directory 切换目录Syntax format: cd "option" "dir" CD [options] [directory]Attention:1.mkdir commands and subsequent options and directories, each of which must have at least one space between each elementParameters such as options and directories after the 2.CD command can be omitted. By default, the
Linux CD command can be said to be the most important command in Linux, the other command statements to operate, are based on the use of the cd command. So, learning Linux often uses commands. The first step is to learn the use of CD command skills. 1. command format:CD [ folder name ]2. command function:Toggle the current folder to Dirnam e3. frequently us
1. Function The CD command is used to switch the working directory to dirname. Where dirname notation can be either an absolute path or a relative path. If the directory name is omitted, it is transformed to the user's home directory (that is, the directory where login was first). In addition, the ~ is also expressed as the meaning of home directory, which is the current directory. Represents the previous level of directory at the current directory lo
Today's small series to teach you how to burn CD CD! Let the beginner's friend also can realize to burn the disc the fun! People who burn often should know Nero burn software, which has powerful burning and stable performance, and the new Nero Burn Software contains more advanced CDs, DVDs, Blu-ray and HD DVD's Burn options. In addition, the new version of the burning software also provides Windows Vista Si
A virtual optical drive is a tool for simulating (cd/dvd-rom) work, you can generate a CD image that is the same as the one you installed on your computer, and it works by first virtual one or more virtual optical drives, storing the applications on the disc, mirroring on the hard disk, and generating a mirrored file for the virtual CD drive. , and then you can p
Burn a CD or DVD in Windows Media Player. When you copy music, pictures, and videos from your computer to a blank CD or DVD, this is called burning.
With Windows Media Player, you can burn three of discs: audio CDs, data CDs, and data DVDs. To determine which disc you should use, you need to consider what you want to copy, what size you want to copy, and how you want to play the disc. The following table c
The optical drive always bounces out of itself and bounces in automatically every other minute. have been so repeated. Explanation of the CD-ROM automatic eject: Normally, when the eject button is pressed in the optical drive Control Panel, the optical drive will automatically receive an electrical signal from the door, thus driving the tray to automatically "spit out"; Once the tray popup position is in place, The optical drive motor should also
Linux Command Learning (4): cd command, linuxcd
The Linux cd command is the most basic command statement in Linux. Other command statements are created on the cd command. Therefore, to learn common Linux commands, you must first learn how to use cd commands.
1. Command Format:
Cd
Linux CD commands can be said to be the most basic Linux command statements, other command statements to operate, are based on the use of the CD command.
So, learn Linux commonly used commands, first of all, learn how to use the CD command techniques.
1. Command format:
CD [Directory name]
2. Command function:
Tog
◆ Preparation before Fedora9 installation hardware hard disk space: 5 Gb or above; memory capacity: m or above (M is also acceptable, but after partitioning, you will be prompted to enable swap partition); disc media: fedora9 installation disc (one DVD); Set BIOS to boot from the disc; start the computer, put the first disk to the optical drive; Note: If you have a system installed on your computer's hard disk, please refer to ① preparation. If your hard disk is not equipped with any system, ple
I was very happy to receive the Ubuntu disk from abroad today. this is a widely supported release of a LINUX operating system. as he said, LINUXFORHUMANBEING. anyone wants to install a computer's operating system. whether it is an individual or an enterprise. free of charge. I applied for a free CD and sent it from abroad in less than half a month. the benefits of using UBUNTU are obvious. many software in UBUNTU are free of charge. all of this is uni
I received a CD from UbuntuLinux-general Linux technology-Linux technology and application information. The following is a detailed description. Melancholy House
When I applied for this free cd, it may be about 10 weeks. In fact, I applied to send the CD from April 1st to April 1st, and then received it on April 29th, that is, three weeks! There's no way to say
Content in CDThe appendix contains the source code of all examples in the book. I provide the MS EVC project file, you can open these pre-configuration files. All examples are designed for Windows CE 4.2, Pocket PC 2003, and Smartphone 2003.
In addition to examples, the CD also contains free EVC. This is the same as the version you downloaded from the Microsoft Site or purchased through the CD. You can reg
Interpretation of Lilo. conf and production of Self-boot CD
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Q: redhat6.1:1 Boot =/dev/SDA2 Map =/boot/Map3 install =/boot. B4 Prompt5 timeout = 506 default = Linux7 image =/boot/vmlinuz8 label = Linux9 initrd =/boot/initrd-2.2.12-20.img10 read-only11 root =/dev/sda1Now, the problem is(1) What is the difference between boot in line 1 and root in line 11?(2) What are map, install, and initrd of rows 2, 3, and 9? Afte
Cd-adapco. Speed.10.04.011.win32 Complete Motor SolutionsCd-adapco is the world's largest unlisted computer-aided engineering provider focused on computational fluid dynamics. The technology-leading simulation suite star-ccm+® and Star-cd® is the company's flagship product. Cd-adapco's business scope has broken through the scope of computational fluid dynamics so
How to use a CD to install win10 Professional Edition tutorial, win10 Professional Edition
Nowadays, the performance of computer hardware is getting higher and higher. Many users buy their own hardware for assembly. New computers usually do not have a system and need to be installed by themselves, so how does a new computer use win10 as a system?
Installation preparation
1. Configure the optical drive computer
2. win10 disc: how to burn a win10
(1) A machine is configured as follows MKDIR/APP/BOOTISO-PV cd/app/bootiso cp-r/mnt/centos6/isolinux/./mkdir KS CP/ Root/anaconda-ks.cfg ks/ks6-desktop.cfg cp/root/anaconda-ks.cfg ks/ks6-mini.cfg vim ks/ks6-desktop.cfg #Kickstart file automatically generated by Anaconda. #version =devel Install URL--url=http://192.168.43.60/centos/6 in the B machine-built HTTP service, the end does not add/, Use public addre
Although Linux is stable, it also loses some things. Among them, the most intense feeling for beginners of Linux should be that the management of its graphic interface is not as powerful as that of windows.
Especially when installing software, you may encounter dependency problems. We can configure Yum to help us solve complicated software dependencies.
The following describes how to configure the Local CD as the yum source in RHEL.
The first step
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