Linux

Recently, the company has installed several DELL PE2650 and 2850 servers. The RHLE5.132 system is installed in a unified manner, while the server's SCSI hard disks are all RAID 1. The boss of the company asked for a unified detection report on hard

I changed the putty color and changed the display over the past few days. I can't see the blue font with putty.So I studied how to set the font color.Open putty, select a saved session, or open a session. If a session is opened, right-click the

Command for viewing linux processes and system information [root @ www ~] # Ps aux specifies the terminal number and lists the status of programs belonging to the terminal. 12) ps u displays the program status in user-based format. 13) ps x shows

Problem locating: 1. environment xp and ubuntu dual systems, ubuntu for wubi installation 2. to access the ubuntu system, you can only go to the grub prompt 3. after entering the ubuntu File System in xp, I found that the E: \ ubuntu \ disks

A while ago, we installed centos 5.4 and win7 dual systems. It was found that the system time in win7 was incorrect, and the machine was not connected to the Internet. During the boot every day, it would be slow for 8 hours. I don't know what's

During the Tomb Sweeping Day the day before yesterday, I went to work overtime because the customer had a server that could not provide services. After troubleshooting, it was caused by a sudden power failure that could result in bad disk channels.

The echo command of a linux Command per day is used to display text or variables. The default output is the terminal screen. Echo hello world outputs hello world on the screen. Echo-n user: Output user on the screen without line breaks. Www.2cto.com

Java code [[find Introduction] find pathname-options [-print-exec-OK...] -print: The find command outputs matching files to the standard output. Find the file whose permission is 7 5 5 in the current directory $ find. -perm 755-print: find the

Nohup command usage: LINUX command usage. Run the command without hanging up. Syntax: nohup Command [Arg...] [&] Description: The nohup Command runs the Command specified by the Command parameter and any relevant Arg parameter, ignoring all SIGHUP

Solve the problem of network disconnection in ubuntu 11.10 configure ADSL dial-up Internet access (use pppoeconf for network configuration, do not use dialing on the GUI)1. Open the application menu, and select attachment-terminal.2. Enter sudo

In linux, the command whereis is often used to find files or content. Find the installation path of the software.-B only searches for binary files.-m only searches for help files.-s only searches for source code.-u exclusion specifies the type.

Some compression and archiving commands in linux I. Common compression/Decompression tools compress/uncomprss Suffix :. z gzip/gunzip Suffix :. gz bzip2/bunzip2 Suffix :. bz2 zip/unzip Suffix :. zip Note: The first compress is not very common, and

Ubuntu command query version and kernel version 1. check the ubuntu version number. Method 1: cat/etc/issue. The returned result is Ubuntu 6.06.2 LTS \ n \ l. Method 2: sudo lsb_release-a. The returned result is No LSB modules are available.

Shell local variables, environment variables, clear variables and location variables 1 local variables: the scope is in a shell, close the terminal, and then enable one. The declared variables are gone; after the variable is set to read-only, it

Cocould not updateI CEauthority file solves the problem that when I started my computer today, my friends and I were shocked: cocould not update ICEauthority file/home/usr/ICEauthority this reminds me that when I programmed the file I/O yesterday, I

Create gentoo minicd U disk installation "general PE toolkit" www. tongyongpe. comwin8PE download v6.0 version 311 MB put the install-amd64-minimal-20yymmdd.iso to the prepared U disk ISOS directory. Extract the image. squashfs and livecd files in

For linux: tr command usage, tr can be viewed as a simplified sed tool. tr is represented as: translate. The tr command is mainly used to convert strings in the following two replacement operations. The String Conversion of the delete operation can

[Shell] constructs and traverses two-dimensional arrays. For a usage reference, see some operations on shell arrays. This provides a way to construct and traverse two-dimensional arrays, as shown below: [plain] # split the array element by space

When Ubuntu 12.04 is started, the environment variable loading sequence is used to figure out the startup sequence of various environment variable scripts in Linux. It is of great help to make good use of Linux to solve various strange errors that

Ubuntu1010 has tried many methods on the Internet, finally, use the NAT method to connect and remove the static IP address in/etc/network/interfaces. Then, put the content in auto lo iface lo inet loopback and restart Ubuntu yijun @ yijun :~ $ Ping