Linux

Basic operation of VIA) Enter VIAfter the system prompt symbol to enter VI and file name, go to the VI Full screen editing screen:$ VI myfileHowever, it is important to note that after you enter VI, you are in command mode and you want to switch to

a command that is important for system securitychattr  chattr for setting file properties lsattr for viewing file properties 1.functionModify the ext2 and Ext3 file System Properties (attribute), using the privilege superuser. 2. Format chattr

MDADM: User space management tool that makes any block device raidModal commandsCreate command-CDedicated options-L: Level-N #: Number of devices-A {Yes|no}: whether to automatically create a device file for it-c:chunk size, 2^n, default is 64K-X #:

0 or "Home" key : The cursor shifts to the first byte of this paragraph.$ or "End" key: the cursor is transferred to the last byte of this segment . N: the cursor moves backwards n bytes.N: the cursor moves down n rows.GG: the cursor moves to the

Note: The red section indicates the relevant command　　1. View Data DiskUsing the "df–h" command, you cannot see the data disk until you have partitioned and formatted the data disk, you can use the "fdisk-l" command to view #df-hFilesystem Size used

Today with SECURECRT to connect Linun, it shows a string of garbled, mainly display Chinese will appear garbled ... I was so frightened that I jumped ...The following are the occurrences:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/48/3

Network commandsWrite: Send the message to the online designated user, ctrl+d as the end;Syntax: Write ZhangsanWall:write all of the abbreviations, send broadcast messages to all users;Syntax: Wall directly after the information can be added;Ping:

1 Thin installation package (minimized installation)2 Disabling services that are not required to boot3. Optimize kernel parameters/etc/sysctlconf4. Configure the domestic high-speed Yum source5 Add System file descriptors, stacks and other

The tar command, when packaged, is packaged with an absolute path compression and, when not in a special parameter, the path at which the package is created under the current path and prompts for warning:Tar:removing leading '/' from member namesThe

1. Win7 set share account with password set to share2. Set up the shared directory, I am here (F:\dev)3 Create a directory below LinuxCD ~Make Windows_shareChown Www-data:www-data/windows_share #这个是运行nginx的用户 The following 501 is the group and user

Use of the Linux Vi Editor Use of the Linux Vi Editor Mode: Command mode, edit mode, and last line mode. Switch Mode: Command mode → I → edit mode, edit mode → Esc → command mode, command mode →: → last line mode. Function: Command Mode: controls

What I think of from Ubuntu 9.10 I installed Ubuntu 9.10 this afternoon. The overall improvement of Ubuntu is very great, and the ease of use is getting better and better. It is getting closer and closer to junior users. This is worthy of

NAT (Network Address Translation) Implementation Basic Introduction to NAT: NAT (Network Address Translation) is a WAN technology used to convert private (retained) addresses into valid IP addresses, it is widely used in various types of Internet

Create your own embedded Linux computer All of today's best integrated circuits are welded on a large scale using BGA encapsulation. Because the BGA encapsulation method is connected under the chip and the welding is tighter, the Reflow Soldering

How do Ubuntu/openSUSE users install Veusz 1.21.1 Veusz is a suite of scientific plotting applications that allow users to create ready publications for PostScript or PDF output. It also supports SVG, EMF, and bitmap to read CSV or FITS file data.

Common linux system monitoring commands and linux monitoring commands Original article: http://blog.sina.com.cn/s/blog_68f1c17001016uvy.html Linux provides many tools used to monitor the system. These tools can be used to find the bottleneck that

Firefox plug-in, Firefox plug-in download Today, I have installed several plug-ins for Firefox. In a brief introduction, I think they can be used. I. All-in-One Gestures Mouse gesture operation, great Ii. Adblock plus Advertising has become a thing

WARNING: remote host identification has changed !, Remotehost The following error is prompted when you copy data using the scp command today:@ WARNING: remote host identification has changed! @It is possible that someone is doing something

Linux-basic concepts of file systems In linux, all data is stored in a file and stored in a directory with a tree structure. (1) file type 1. Common files Including text files, source code files, and executable files. Linux does not distinguish

X240uefitutu12.04.4 Http://askubuntu.com/questions/355034/ubuntu-12-04-3-lts-installation-failed-says-grub-installation-failed Http://forum.ubuntu.com.cn/viewtopic.php? F = 48 & t = 446368 & p = 3019940 The grub-efi-amd64-signed package failed to