Linux

1. while Loop While Command FormatWhile condition tableDoCommand tableDoneExecution ProcessShell first executes the condition table. If the exit status of the last statement in the condition table is zero, execute the command table in the

Network File System (NFS) is an application in Client/Server mode. It allows users to view and store files updated on remote computers as they do on their computers. The NFS server configuration in RHEL5 is mainly divided into three parts. Next we

I. Hard Disk identification in Linux After 2.6 kernel, linux will create the corresponding device file under/dev/on the recognized hardware device. For example: Sda represents 1st SCSI hard disks. Hda indicates 1st IDE Hard Disks (connected to the

There are many things worth learning about linux servers. Here we mainly introduce the security issues of linux servers, including preventive measures. We all know that enterprise information is often stored on servers, but there are inevitable

RHEL's user skills are constantly summarized. The following describes in detail two RHEL user skills. KDE and GNOME are the two most used desktop environments in Red Hat. GNOME is installed by default. If you didn't install the KDE package when

First, we understand the virtual memory and physical memory: the virtual memory is to use the hard disk to expand the physical memory, write unused memory pages to the hard disk to free up more physical memory for use by processes in need. When

VsftpdIs the most popular FTP server program in the Linux release. Features: small, light, secure, and easy to use. Configuration is a little troublesome. The vsftpd. conf file configuration is relatively simple. You can set it as follows: VSFTPD

We have met many Linux compression and packaging methods. The following describes the concepts of bzip2 and bzcat commands in Linux compression and packaging methods. This article provides a variety of examples for you to view, I believe there will

There are many Linux compression and packaging methods. The following describes the concepts of gzip and zcat commands, and lists examples of various Linux compression and packaging methods for your reference, hope to help you .... Gzip and zcat

After learning how to use the Linux vi editor for a long time, I hope this article will teach you more things. 1. Introduction to the linux vi Editor The linux vi editor is the most common full-screen editor in the unix world. in linux, the vi

What Operating System are you applying? Now many people are using the Linux operating system. This article describes the Linux text-mode Web Editor Bluefish, allowing you to skillfully edit webpages in Linux. The Web Editor Bluefish claims that it

I believe that you still remember the brilliant window switching effects in Windows 7 and Vista systems. But I don't know what the effects would be if I moved them to other places? We know that firefoxfirefox has many plug-ins, among which the

Linux hard disk mounting is a solution for using external hard disks on Linux systems, here we will introduce several hard disks on the current machine, create a disk partition for the hard disk to be mounted, format the partition to be mounted, and

How can we compile the kernel module before? Describes how to compile modules. Here, we will continue to introduce how to compile kernel modules in the 2.6 kernel. The method for compiling the kernel module is slightly different from that for

As we all know, there are many factors that affect the network, including latency, conflict, and blocking. Next, let's take a look at the specific Network situation under Linux performance monitoring, and add some of our previous articles. We hope

We recommend that you use the command line download tool. The command line tool is not only easy to use, but also has a high download speed and download efficiency. It is especially suitable for downloading files in large batches. Next we will

Hardware interruptions frequently consume CPU resources. If there is a way to allocate a large number of hardware interruptions to different CPUs (cores) under multi-core CPU conditions) processing clearly balances performance well. Currently,

Linux is much more mature than it was a few years ago, but sometimes there will still be an inexplicable and undefinable kernel panic situation. For most Linux users, restart the kernel panic, however, for system administrators and hosting service

There are a lotLinuxIn most cases, a lot of "Blunt" commands are pushed to the reader, so that many people are discouraged and pass by without entering the door. So I imagine a smoother way of learning. Before learning linux commands, you should

Generally,Linux operating systemYou can use three methods to represent the currentTimeAnd date:① The simplest method is to use a 64-bit counter to count the tick of the clock.② The second method is to use a 32-bit counter to count the second, and