Linux

Linux has been widely used in desktop applications in the past two years, and many people have become active and want to switch to linux. A few days ago, I wrote, "why don't we choose linux ?" . It has aroused the response of many netizens, which

For Linux systems, whether it is a central processor, memory, disk drive, keyboard, mouse, or user, it is a file. Linux system management commands are the core of its normal operation. After familiarizing yourself with common Linux File Processing

1. tremulous: open-source FPS games under linux This game uses the quake3 engine, so the screen is quite good, it is very simple to install in ubuntu Sudo apt-get install tremulous That's all. This game only has a multiplayer version. after

Linux supports multiple file systems, including ext2, ext3, vfat, ntfs, iso9660, jffs, romfs, and nfs. to centrally manage various file systems, linux introduces Virtual File System (VFS), which provides a unified operation interface and Application

You can use the uniq command to delete adjacent duplicate rows: Uniq [file] However, if a text contains duplicate but not adjacent lines, it cannot be deleted. You need to combine the sort command: Sort [file] | uniq The equivalent sort

The following methods are used to remotely forward linux desktops to the local XDMCP protocol) to achieve local graphical management. 1. Xmanager can be used to enable XDMCP in linux to directly modify the configuration file. You can also run

When using Nmap, we found that Nmap prompts Happy 10th Birthday to Nmap, and may it live to be 110! (It is now 10 years old, maybe it can live to 110 years old) I did not expect that September 1 was the day of its birth, 10 years a sword ah. In

Use the following command to configure the Ethernet 1. ifconfig You can use the ifconfig command to configure and view the network interface configuration. For example: 1) configure the IP address of eth0 and activate the device. # Ifconfig eth0 192

The Linux kernel supports the DOS/FAT/NTFS partition format. The kernel compilation option is slightly configured. After compilation, the fat Chinese partition can be supported. Start the kernel compilation configuration program # cd/usr/src/linux #

General backup should be the highest priority of responsible system managers. Although Linux is a highly reliable operating system, system failure may still occur. It may be caused by hardware failure, power interruption, or other unexpected

1. files required for system startup /boot/grub/grub.conf /etc/inittab /etc/rc.d/rc.sysinit /etc/rc.d/rc /etc/rc.d/rc?.d /etc/rc.d/rc.local /etc/fstab How to save grub. conf file errors: Grub>

I. Linux File System StructureThe file system structure is the method of organizing files stored on disks and other storage devices. It is mainly reflected in the organization of files and directories.Directory provides a convenient and effective

InLinuxIn the system, there are three mainSystem Logs: Connection time log-the log is executed by multiple programs and written to/var/log/wtmp and/var/run/utmp, login and other programs to update the wtmp and utmp files, enables the system

I usePostfixAfter a long time, I have seen many knowledge points about Postfix and want to share them with others. Let's talk about the address Operation Problems in Postfix. 1. Rewrite the address to the standard format Before the cleanup process

SendmailHow do users limit the permissions to process mail queues and prevent unauthorized changes to files. 1. Restrict the permission to process the mail queue to "root" Generally, anyone can use the "-q" switch to process the mail queue. to limit

In fact, the configuration of Small and Medium-sized EnterprisesSendmailThe steps are actually very simple. Please refer to the following. Assume that the enterprise uses a leased line to access the Internet and has two Linux servers (Redhat 6.1)A

In recent years, it has become increasingly popular to use the same host to build multiple domains. For example, oreillynet.com and onlamp.com are actually located on the same host, but from the external point of view, they seem to be located on two

KonquerorIs an embedded browser that runs mainly on Linux and BSD operating systems. This article describes how to run konqueror as follows. After andlinux is upgraded to beta2, the program in the menu is missing a lot of operations because it is

InIptablesAfter a long configuration, I have several Iptables Application Instances for your reference! I. single rule instance Iptables-F? #-F indicates clearing. It is used to clear all the chain rules of the filtre table. Iptables-a input-s 172.20

How to UseIptablesImplementationNATIn fact, it is very simple. It only takes six major steps. This article describes how to use iptbales to implement the powerful NAT Function under linux2.4. For more information about the syntax of iptables, see