Linux

Install JDK in CentOS Install JDK in CentOS Installation Method: rpm InstallationSoftware: jdk-7-linux-x64.rpm: Http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html Check the original system version [Root @ bkjia ~] #

Vi Common commands Ctl + f next Screen ContentContent on the top of ctl + BG move the cursor to the last line of text* G move the cursor to the line * of the textGg move the cursor to the first line of the text Dd deletes the row where the cursor

Why does Linux's htop command win the top command? In Linux, the top command is used to display the real-time status of processes running in the system. It displays some useful information, such as CPU utilization and memory consumption, and the

Build a PhoneGap-Android Development Environment 1. Installation Install the following tools in sequence before installing the PhoneGap development environment: 1. Java SDK If the java sdk is not installed, the Android SDK cannot be installed

How to take screenshots from Linux Command lines Linux has many screenshot tools of different tastes, including screenshot programs dedicated to the desktop environment (such as KSnapshot in KDE, GNOME-screenshot in gnome, and Xfce Screenshooter ),

Detailed description of the find command in Linux Find command-Purpose: Search for files or directories.-Format: find [search range] [Search Condition]Common search conditions-- Name: search by file name-- Size: search by file size-- User: search by

Install Scribus 1.4.4 on Ubuntu and its derivative systems Scribus is an open-source, cross-platform software that runs on Linux, BSD, Solaris, mac OS X, Windows, and other systems. It provides an intuitive and friendly user interface. Scribus is a

Use of the Debian logon window and inkscape 1: inkscape is a software for generating vector images such as svg. The official address is here. Debian can search for inkscape Installation directly through the software center. You can also go to the

Linux File System Summary Basic organizational structure The Linux File System uses an index node (inode) to record file information.An index node is a struct that contains information such as the length of a file, creation and modification time,

Cocos2dx-3.3.1 environment construction in Linux 1. Install Dependencies Dependencies include: Libx11-devLibxmu-devLibglu1-mesa-devLibgl2ps-devLibxi-devG ++Libzip-devLibpng12-devLibcurl4-gnutls-devLibfontconfig1-devLibsqlite3-devLibglew

How to set the language environment in Linux How to set the language environment in LinuxCharacter Set errors are often encountered in Linux systems. The following describes how to set and modify the system language environment.1. The environment

How to remove the drive letter icon from the Unity starter in Ubuntu 14.04 A question from a reader: In Ubuntu 14.04, how do I remove these drive letter icons from the Unity starter? I never use it, but it occupies the position of the starter. By

Linux boot self-check configuration file fstab becomes read-only and cannot be modified The configuration file controlling Linux boot self-check is/etc/fstab. On the recently used server, it is found that fstab has become read-only and cannot be

Dstat monitoring tool in Linux Dstat is a versatile product that can replace vmstat, iostat, netstat, and ifstat commands. Dstat overcomes the limitations of these commands and adds some additional features, adds metrics, and becomes more flexible.

Hash function under OpenSSL Hash function in OpenSSL: an irreversible function. Its input can be a byte stream of any length. Its output is of a fixed size. The hash function is used to generate a digest for your file. It is unique. OpenSSL TLS

How to fix the problem of missing Ubuntu 14.04 system settings Sometimes we encounter the following problem: many options of Ubuntu 14.04 system settings disappear. In fact, the main reason for this problem is that you have previously

CentOS 6.4-x86_64bit install RabbitMQ memo What does RabbitMQ do? To explain RabbitMQ, we have to mention the AMQP (Advanced Message Queuing Protocol) Protocol. AMQP is a network-based message transmission protocol that provides reliable message

Default Linux File Permission: umask 1. Default File Permissions In Linux, when we create a file and directory, what are the default permissions for this file and directory? Run the umask command to view the information: $ Umask0002 $ Umask-SU = rwx,

Install system indicator SysPeek 0.3 for Ubuntu users SysPeek is a system indicator software that displays CPU usage, memory usage, swap space usage, hard disk usage, and network usage. It supports the unity panel. The latest available version

Ubuntu 14.04 users install Wallch 4.12 Wallch is a free and open source wallpaper software. Created using Qt5, supports the desktop environment Gnome 3, Unity, XFCE, LXDE, and Mate, as well as clock functions. The latest available version of wallch