Linux

Centos5.x Mount iscsi practice recently in the production environment, we need to use centos5.x to mount iscsi. To sum up the operation experience, we can download the latest related components from www.2cto.com 1. It is best to use the latest

Cross-compile Linux kernel 1. download linux kernel source code I used is the linux-loongson-release-zb-kernel.tgz to decompress it to the/usr/src directory: tar-xzvf linux-loongson-release-zb-kernel.tgz in this directory will generate

Simple Linux Command Line notes: hwclock displays or sets the CMOS time hwclock [options] www.2cto.com option-r default options, read and print the CMOS time-s set the CMOS time to the system time-w set the system time to the CMOS time example

Simple Linux Command Line Note: dmesg displays the kernel message www.2cto.com dmesg [options] dmesg can be used to display the message system stored in the kernel ring buffer when it is started, the kernel fills its ring buffer with messages

Subclipse under Ubuntu reports failed to load javahl library solution Failed to load JavaHL Library. these are the errors that were encountered: no libsvnjavahl-1 in java. library. the path no svnjavahl-1 in java. library.

-Bash: fork: Resource temporarily unavailable problem Java code causes this problem because the number of connections set by linux users is too small, you only need to modify max user processes to set the maximum number of processes for each linux

UNIX Shell loop control-while LOOP, Syntax: [plain] while command do Statement (s) to be executed if command is true done command can be a judgment, it can also be a command, such as reading files. If the command condition is true, execute the

When you add a linux shared library and install the source code software in centos5.6, the corresponding lib is missing. Sometimes it is because it is not installed, sometimes it is because it is installed but the version is too low. When the system

Linux Remote shell execution of the first www.2cto.com java Implementation is easy to implement, easy to expand (used in the project) http://www.ganymed.ethz.ch/ssh2/ official website Java code Connection conn = new Connection (ip); boolean

A linux/unix process is created in a UNIX system. The only way to create a new process is to call the fork system. The name of the process that calls fork.It is the parent process, and the newly created process is called a child process. Syntax

In Linux, the speed of sendmail is slow. After linux is restarted, it is found that sendmail is very slow. It has been stopped in sendmail and takes a lot of time. Then, a solution is found: www.2cto.com environment: linux AS5 Update7 # vi/etc/hosts

Shell controls the number of running times (based on the date) many people worry that due to time issues or misoperations, the script runs multiple times (especially data operations ). Therefore, it is necessary to add some control. Similarly, if

How does the BIOS load the system boot program from a floppy disk? When the computer's power is turned on, it will perform some self-check (POST) and then look for the boot disk. If you choose to start from a floppy disk, the computer will check the

Ls-l a: List all commands Cd to enter the current directory Cd .. parent directory Cd. Current Directory Cat display file content Echo + content> file name (write content) Create a directory in mkdir Mkdir-p: create directories and subdirectories at

1. Introduction to UnisonUnison is a file synchronization tool that can be used in Windows, Linux, and other Unix platforms. It can ensure consistency between the two folders (local or online. Unison has the same features as some other

1. The default desktop icon in Ubuntu is a little small, so let's modify it! In Ubuntu, choose System Tools-Configuration Manager-/apps/nautilus/icon_view/default_zoom_level and set it to small (that is, 75%). The default value is standard. At this

I. lilo Guidance1. When lilo appears: Enter linux singleBoot: linux single2. Press enter to directly enter linux single user mode3. vi/etc/passwdDelete the password from the root account(You can also use the passwd command to reset the root password)

Before configuring drbd, let's take a look at the basic knowledge of drbd.Distributed Replicated Block Device (DRBD) is a software-implemented, non-shared, storage and replication solution for image Block Device content between servers. Data image:

To achieve this function, you need to configure the local machine:Installation steps:1. Start the installer in windows, enter: java-jar dcevm-0.2-win.jar in the console (path to the dcevm-0.2-win.jar folder) under the attachment downloadWait for a

Java codeAbout Cron in linux Run the following command to view the current user's cron list:Crontab-l Run the following command to edit the cron list:Crontab-e Run the following command to view the Cron service status of the current server:Svcs cron