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[Plain] 127.0.0.1localhost server operating system: RedHatEnterpriseLinuxServerrelease5.3JDK: 1.6.0 _ 31AAS: 7.0 run directly on the linux command line. /startapusic: The following exception occurs during runtime: [java] 2012-03-12:0... [Plain]127.0.

1. view the Ubuntu operating system bits: Check whether the system is 32-bit or 64-bit # Check the long bits, return 32 or 64: getconfLONG_BIT # view the file information, including 32-bit is 32-bit, including 64-bit is 64-bit:

5. Chinese? BT5 Chinese version? Modify the source first. you would like to add the root @ bt :~ # Gedit/etc/apt/sources. listdebhttp: // developer.edu.backtrack-cn.org/backtrack/32revolutionmainmicroversenon-freetestingdebht... 5 localization? BT5

BT5 has been released. let's ask Gnome to help me, my own KDE .. because your bandwidth is not enough, let someone else copy it in another day. it took one day .. under good BT5-KDE-x32 .. I just installed BT5 on the KDE desktop. as I am not used to

1. modify ip address, Gateway sudovi/etc/network/interfaces # Theloopbacknetworkinterfaceautoloifaceloinetloopback # Theprimarynetworkinterfaceautoeth0 # eth0use... 1. modify the ip address and GatewaySudo vi/etc/network/interfaces===================

The linuxcat command is explained in detail. before explaining this command, let's take a look at the two instances of this command. through the example, let's look at the detailed parameters of cat. This command is mainly used to add the content of

The top command is a common performance analysis tool in Linux. it can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it. Top-01: 06: 48up1: 0.06

How to prevent a key file from being modified in Linux? some configuration files cannot be modified by anyone (including root. To prevent accidental deletion or modification, you can set immutable ). The command is as follows: # chattr + I/etc/fstab

I. you can configure VirtualHostUbuntu to have the largest number of individual users in each release of Linux. many users use it in their local machines and virtual machines. however, the VirtualHost setting methods for Ubuntu and Redhat are

Linux's introduction of large page memory has a good effect on reducing the failure of TLB, especially for memory-intensive programs, such as database usage. Innodb engine supports large page memory, specific use can see

The Vivi editor has three modes: command mode, input mode, and last line mode. It is very important to master these three modes: the command mode is entered by default after vi is started. from this mode, you can switch to the other two modes by

1. switch to the root user $ suroot and enter the user name or password, or log out of the current user and log on as the root user. 2. or, if the root user is not, right-click the desktop and open the terminal. The $ system-config-display author

Set ip: You can edit the/etc/sysconfig/network-scripts/ifcfg-eth0 file with the following content: deviceeth0bootprotononebroadcast192.168.65.255ipaddr192.168.65.228netmask1_255.255.0network192.168.6 Set ip address:You can edit

Environment: Ubuntu10.04 step: 1. download and install jdk $ sudoapt-getinstallopenjdk-6-jdk2, view JVM $ sudoupdate-alternatives -- displayjava3 in the current system, install JVM path $ sudoupdate-alternatives -- install... environment: Ubuntu 10.

Linux Virtual IP Management Method 1: command line method to add and delete 1. add a virtual IPifconfigeth0: 1190000100.10netmask00000000255.0 delete the added virtual ipaddrdel192.168.100.10/24deveth0 here... Method 1 for managing virtual IP

1. configure the/etc/vsftpd. conf file 1, vi/etc/vsftpd. conf2, change the following configuration item anonymous_enableYES to anonymous_enableNO // do not enable anonymous access # local_enableYES change local_enableYES... 1. configure/etc/vsftpd.

Ubuntu12.04root user logon settings ubuntu12.04 by default, root logon is not allowed. only common users and guest logon can be seen in the logon window. After logging on to Ubuntu as a normal user, we need to make some modifications. after a common

Linux search and compression Command 1. which search for commands, such as: jerry @ why:/$ whichls/bin/lsjerry @ why:/$ www.2cto.com 2. whereis is similar to which, A little more than which will show where the command help is: jerry @ wh... Linux

Rh9 supports linux video capture. in rh9, linux videos are captured in bmp format. /*************************************** *************//**//*... Information Rh9 supports linux video capture. in rh9, linux videos are captured in bmp format. /******

Debian disk quota management 1. add the quota support in the file system: manual mount: mount-oremount, usrquota, kgquota/mnt/test/etc/fstab modify:/mnt/testext3defaults, usrquota, Maid II. create a record File :... Debian disk quota management 1.