Linux

Connection Method: (1) under ubuntu, enter Terminal, enter sudo gedit/etc/udev/rules. d/50-android.rules, and run this command to open the text editor. Paste the following text and save it. SUBSYSTEM = "usb", SYSFS {idVendor} = "0bb4", MODE = "0666"

The default ksh in AIX is hard to use and inefficient. Therefore, bash is installed and color display is configured, which makes it much easier to use. The steps are as follows: 1 To ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/

I downloaded 6.0.1 _ 31 from www.atat.org on the official website, decompressed the package, and stored it in:/usr/share/tomcat6. I used a root user to log on, the following describes the specific operation steps. 1. in/usr/share/tomcat6/bin, the

A zombie process means that the parent process has exited, and the dead process becomes a zombie process without being accepted by the process. how a zombie process generates a zombie process: when a process calls the exit command to end its own

PATH = "full PATH" function IsFile () {FULLPATH = "$1" # traverse the directory for fName in $ (/bin/ls $ FULLPATH) do fileType = '/usr/bin/file "$ PATH" "$ fName" |/bin/awk' {FS = ": "} {printf $2}'' # The folder type is directory if ["directory" =

Attached to the virtual machine to load shared files sudo mount-t vboxsf down/mnt/share, where the virtual machine uses the oracle virtualbox. Therefore, the file system is vboxsf, and the virtual machine installation enhancement function down is

RSH configuration (each machine in the cluster performs the following operations) 1. Because suse linux does not have its own RSH-SERVER service, first download the RPM package for the rsh-server service from www.rpmfind.net. And then switch to the

Install the rz command: yum install lrzsz install vim: linux yum vim Delete: rm-rf directory name rm-f file copy:/bin/cp jdk-6u31-linux-x64.bin/home copy the file to the home directory. Www.2cto.com vi: INSERT, and exit from ESC.: Wq save :! Wq is

The diff command is used to compare the content of a file line by line and list its differences. Diff -- help can be used to view command parameters. Diff file1 file2 compares the content in file1 and file2. The displayed results are in the

In Linux, obtain the 10 processes that occupy the most CPU memory resources. In linux, obtain the 10 processes that occupy the most CPU resources. You can use the following command combination: ps aux | head-1; ps aux | grep-v PID | sort-rn-k + 3 |

In Linux, the hard disk IDE interface and the disk array can be distinguished by the sda and hda parameters. The IDE interface does not have the scsi-list: fdisk-l # scsi Disk array Disk/dev/sda: 18.2 GB, 18210037760 bytes255 heads, 63 sectors/track,

Linux care process Script 1. Care Process script. The working principle is to use shell to constantly query the process. If the process does not exist, start the process. If you start with gnome, you need to start the script on the GUI. Start. sh Js

How to add a hard disk in Linux 1. file-s/dev/hda1 view partition file Format 2. fdisk-l view the hard disk partition 3. fdisk/dev/device name partition Device 4. format partition to ext2 partition Mke2fs/dev/hda1 format to ext2 format Tune2fs-j/dev/

Red Hat Linux permission management ls to check the file permissions, it should be that there is no execution permission (x), you can add: chmod a + x filename: display the environment variable echo $ variable name in Linux/unix set the environment

Vim plugin NERD_tree.vimInstall NERD_tree.vim. Find nerd_tree.zip and download it. Copy the decompressed NERD_tree.vim file to the $. vim/plugindirectory and copy nerd_tree.txt file to the $. vim/doc directory.Open gvim and type "gvim" in the

Linux shell programming ---- Regular Expression 1 Regular Expression 1 Regular Expression is a string consisting of a string of characters and meta characters, RE (Rugular Expression) 2. The characters in a regular expression are divided into two

Method 1 of Multiline deletion and replication in VI: Single Row deletion,: 1 (row to be deleted) d multiline deletion,: 1, 10 days Method 2: row where the cursor is located, dd: place the cursor in N rows below the row. Ndd Method 1: place the

Run the top command to view the average load of the linux system. The output line is top-18:08:45 up, 2 users, load average: 0.15, 0.06, the last three digits of 0.10 indicate the average number of processes in the process queue in the past 1 minute,

Linux shell programming ---- exit + Test 1 exit status 1 in Linux shell programming, each command will have an exit status 2 exit status expressed in an integer after the script is complete, if the exit status is 0, the operation is successful. If

In linux, how to use tar for decompressionEnvironment: windows 7 + virtualboax + fedora 15 kde can use the tarcommand to decompress the .tar.gz file. The following uses the example to decompress the qt source file: 1. Copy the qt source file to the