Linux

1 Gcc-wall hello.c./a.out2 Modify Home page: start Firefox, in the Address bar input: about:config; In the top filter, enter: Home, will filter out four preferences related to home, find Browser.startup.homepage, The default value for this option is:

Environment centos6.5, centos6.6 Install the DHCP service: Yum install dhcp*-y Edit the configuration file/etc/dhcp/dhcpd.conf me here directly to overwrite the previous content: Ddns-update-style Interim;Ignore client-updates;Next-server 192.1

Uninstalling the JDK[[email protected] ~]# rpm-qa|grep JDK//query installed JDKJava-1.7.0-openjdk-1.7.0.79-2.5.5.3.el6_6.x86_64[[email protected] ~]# #rpm-E--nodeps ava-1.7.0-openjdk-1.7.0.79-2.5.5.3.el6_6.x86_64//Uninstall installed JDK[[email

First, Shutdown command1. Shutdown command:shutdown [options] [TIME]Options:-C: Cancel the previous shutdown command-H: Shutdown-R: RestartExample: Shutdown-r 05:30 &//To 05:30 minutes to restart the computer,& means that the shutdown command into

The system BIOS is the first program that runs when you click the power button.1. First the motherboard needs to receive a stable power supply signal. If there is no stable power supply the system shuts down automatically.2. When a stable power

Virtual Machine Network modefor VMware Virtual software, there are three types of network modes1. Bridging2.NAT3.host-onlyBridge ConnectionBridge Network refers to the local physical network card and virtual network card through the VMNET0 Virtual

For no matter what the system, but can not open the power so simple thing, a lot of things will happen in a few seconds or dozens of of a short time, understand this process will be a complete guide to solve the problem of any or improve the boot

. TarUnpacking: Tar xvf Filename.tarPackage: Tar cvf filename.tar DirName(Note: Tar is packaged, not compressed!) ）---------------------------------------------. GZDecompression 1:gunzip filename.gzDecompression 2:gzip-d filename.gzCompression: gzip

Recently conducted a systematic study of Linux systems, read the bird's Linux private dishes, excerpts from the study notes are as follows:1) in a Linux system, each device is treated as a file, and each device will have a device file name.2) The

The company lets people ubuntu14.04 install on a machine that is installed net-snmp , but the setting of this machine is not very pleasant. It doesn't matter, solve it each. Can not connect the network, you have to get an agent.This is to

The last command in a Linux system is a display of recent user or terminal logins, and its use rights are for all users. Using the last command to view the log of the program, the administrator can tell who has or attempted to connect to the

Linux knowledge is actually based on some porting and re-development on the UNIX kernel.* Linux is a generic term for an operating systemLinux-based now has a lot of vendors. Compared to everyone familiar with the redhat, its most

1 What is a Linux black hole In the Linux system,/dev/null is a fake device, commonly known as "Linux black Hole". Any write to/dev/null succeeds, but the data disappears without any feedback, and the read-in data is empty. 2 Linux

Fix the problem: Implement virtual machine VMware on Linux and Windows to each other free copy and paste. such as in the same system CTRL + C and Ctrl + a convenient. Solve the problem that can only pass through the U-disk swing replication .

Compile and install httpd2.4 on CentOS6.6 IntroductionCurrently, the apache Software Foundation is maintaining three httpd projects: Version 2.4, Version 2.2, and Version 2.0.The differences between the three versions are not described one by one.

Install the latest vsftp version in CentOS 1. download the latest version of vsftp Wgetftp: // vsftpd.beasts.org/users/cevans/vsftpd-2.3.4.tar.gz It seems that the official website has not been available recently. The website is being

CentOS6.6 OpenVPN server combined with AD domain authentication1. Introduction to OpenVPN OpenVPN is a software package used to create a VPC encrypted channel. It was first written by James Yonan. OpenVPN allows the created VPN to use a public key,

Functions of the last command in CentOS In CentOS, the last command is used to display the logon status of recent users or terminals. Its permission is granted to all users. Run the last command to view the log of the program. The administrator can

Sed: common linux tools   Sed Working Principle This is called as one execution cycle. Cycle continues till end of file/input is reached:1. Read a entire line from stdin/file.2. Removes any trailing newline.3. Places the line, in its pattern buffer.

In the days of getting along with linux I installed the linux operating system a few days ago and installed several common tools. Now let's talk about my feelings! For a person who can't even spell a few characters in linux, it's cool to get me