Linux

Find some common examples of some commonly used parameters and some specific usage and considerations. 1. Use the name option: The file name option is the most commonly used option for the Find command, either by using this option alone or with

Environment: Ubuntu 12.04 Server. sudo permission assignments are managed using Visudo. Examples are available under/usr/share/doc/sudo/examples/sample.sudoers. Baidu Encyclopedia has a detailed introduction of sudo and the use of Visudo

We run the following command to see a list of the Linux supported signals: $ kill-l1) Sighup        2) SIGINT        3) sigquit       4) Sigill 5) Sigtra P       6 SIGABRT       7) Sigbus        8) SIGFPE 9) SIGKILL   &N Bsp 10) SIGUSR1      11)

Ifconfig eth0 192.168.1.102 netmask 255.255.255.0//Add IP Address Route add default GW 192.168.1.1//Add Gateway Start in effect: Vim/etc/sysconfig/network-scripts/ifcfg-eth0//(Some versions may not have vim this editor such as CentOS, you may

methods for using the Assert function under Linux systems. The steps are as follows: The stereotype of an Assert macro is defined in "Assert.h", which terminates the execution of a program if its condition returns an error, and the

　　First install the vsftpd-2.0.1-5.i386.rpm on the first CD in the Linux Enterprise Edition #rpm –ivh/media/cdrom/redhat/rpms/vsftpd-3.0.1-5.i386.rpm 　　Start the VSFTPD service #service vsftpd Start 　　Refreshing the firewall #iptables-F Such a

I. Preamble Now many web sites have strict restrictions on the access rights of users, users need to give "username/password" to confirm their identity when accessing certain resources. Currently, the most common authentication method is to use

"Guide" This article focuses on installing a Web server--apache with proxy and override rule features on the corporate firewall, as well as concrete steps for compiling and setting up Apache. After a successful installation, flexible virtual host

Now, if you buy a computer pre-installed with Windows, it's usually Windows8 or Windows8.1. Starting with WINDOWS8, Microsoft replaced the BIOS with UEFI. Although UEFI was not invented by Microsoft, it already existed before Windows8. For example,

View the file systems supported by the current kernel system under Linux: Typically included in the/lib/modules/kernl-version/kernel/fs/directory are file systems supported by the current kernel version: ls/lib/modules/kernl-version/kernel/fs/ eg

Linux system monitoring has the following commands: Uptime: Display system load condition Mpstat: Show CPU performance Free: Displaying memory usage Vmstat: Displaying virtual memory usage Iostat: Show System I/O activity Netstat: Displays the

A bare device is a special character device that is not formatted with a partition or disk, also known as a bare partition (the original partition), and is not read by UNIX through the file system. It is the responsibility of the application to read

Why Linux log servers are installed: As we all know, Linux is a perfect log system operating system. When the system administrator is running the maintenance server, it is unavoidable to view the log file, when the server is wrong, the error is not

In a Linux environment, a widely popular bind server is provided, which is the most common server software for building DNS servers. Introduction to the installation of bind now a lot of articles, now we will talk about the maintenance of the topic.

The security of the server has always been the primary consideration of the site. There are a variety of solutions for security. Linux Server firewall, the most commonly used to the number of iptables firewall. Iptables is commonly used in Linux

First, what is a document Before we talk about file operations, we first need to know what files are. You may feel ridiculous to see this problem, because the file is the simplest concept for someone who has used a computer, for example, a text is

Whether you're a regular Linux desktop user or a system administrator who manages multiple servers, you're faced with the same problem: a growing variety of threats. Linux is an open system that can find a lot of off-the-shelf programs and tools on

To test the iSCSI service is normal [Root@focusbackup ~]# service iSCSI Restart Stop iSCSI: [OK] [Root@focusbackup ~]# Chkconfig iSCSI on [Root@focusbackup ~]# iscsiadm-m discovery-t sendtargets-p 10.5.83.131 Starting iscsid: [OK] 10.5.83.131:3

First, the working principle of OpenVPN VPN technology establishes a private tunnel on the public network through key exchange, encapsulation, authentication and encryption, which guarantees the integrity, privacy and effectiveness of the

FastCGI and PHP, FastCGIPHPWhat is CGI? CGI is short for "Common Gateway Interface". It is a tool used for communication between HTTP servers and program services on other machines. CGI programs must run on network servers. The main disadvantage of