Linux

About Ulimit Ulimit-a is used to display current user process restrictions. Linux for each user, the system limits its maximum number of processes. To improve performance, you can set the maximum number of processes for each Linux user based on

One system run level The Windows system has a safe run mode and normal operating mode, which is two different run levels, and Linux also has a system run level, and the Linux system runs at a more flexible and diversified level. Before telling the

First, the basic concept of LVM When you partition a disk to a size plan, sometimes can not determine the total size of the partition to use, and with Fdisk after the partition of the disk, each partition size has been fixed, if the partition set

Today Jenkins (formerly Hudson) CI server suddenly hung up, the investigation of a half-day found that the disk has 100%, I really regret that the disk was not set up a big point, in fact, you can adjust with LVM, but the heart is still no bottom,

Paths such as "/bin", "/sbin", "/usr/bin", "/usr/sbin", "/usr/local/bin", etc., are already in the system environment variable, and if the executable file is in these standard locations, enter the file name and parameters for the software executable

The structure of the Linux file system knot is the tree structure, its entrance from/start, understand the structure of the Linux file system, for we need to master one of the basic knowledge points. 1, what is the file system; See also: Linux

Brief introduction: What if the Linux root password is lost? Give you a way. GRUB: On the boot loader menu, type [e] to enter edit mode. You will face a list of boot projects. Look for a line that resembles the following output: kernel/vmlinuz-2.

The Apache server settings file is located in the/usr/local/apache/conf/directory and traditionally uses three profiles httpd.conf, access.conf, and srm.conf to configure the Apache server's behavior. HTTPD.CONF provides the most basic server

1. Implement the GetTickCount function of Win32 API in Linux To migrate GetTickCount API functions from Windows to Linux, you can use the following code: long GetTickCount() { 　　tms tm; 　　return times(&tm); } 2. Windows and Linux systems about

Experimental environment: The company requires a Linux host that is idle to be configured as a DHCP server, so that the local Area network staff office to automatically assign IP address, improve network management and maintenance efficiency.

One, only to perform a single job scheduling operation, that is at the operation of the command! 1.ATD startup and at operating mode [Root@localhost ~]#/etc/init.d/atd Restart Stopping ATD: [OK] Starting ATD: [OK] 2. Set up the boot up this

There is a handy rhythmbox player (equivalent to RealPlayer and Windows Media Player) under Ubuntu Well integrated, can play many types of multimedia, even including the rare MKV format (Real Player and WMP can not directly support) But brother

How to control account expiration under Linux: In the enterprise generally to the unattended role account or developer temporary needs, etc. can set account expiration, enhance security! Method one: When adding a user Useradd oldboy-e 01/28/12

1, ready to install the file, is generally an installation executable file and a crack key generator, installed all the way next to the end, the generation of a key to copy in to complete the VMware software installation; 2, running software,

I. Implementation of a single scope DHCP service on Linux (This training infrastructure is the host and WinXP host of the Linux Enterprise 5.4 system in the VMware Workstation virtual machine) 1, mount the CD, install the DHCP package 2,

On both Linux hosts and SSH privileges, it is recommended that you use the SCP command backup, which is fast and encrypted and has high security. But large data files, do not recommend the use of this method to back up! OK, the experiment is simple:

1. Start the system Usually Lilo is installed on the MBR, after the computer starts, the MBR program is executed, there will be a not very beautiful graphics: the left side is a small red hat image, the right list of the operating system can be

It is troublesome to add Chinese support in Mandrake 7. I have spent a lot of time, accumulated a little experience, write out hope to help the later people less detours. 1. Chinese display The proposed installation Cleex,cleex does not support

Accidentally deleted a file in Linux, but ps-ef|grep file name found that a process is still using the file, you can pass Recover the file in the following ways. For example: Create a simple file/tmp/test.txt, write something inside Two client

At present, the domestic launch of a number of Linux distributions, its focus on the Chinese platform to facilitate the use of Linux for domestic users, but there is a not too good sign is the Chinese as the main function of Linux operating system,