Linux

Due to the needs of project testing, I used a virtual machine to build a WebLogic testing service in my own book. Then I encountered a problem. Every time I had to type a bunch of CD commands on the terminal to find the directory, it was very

Wkhtmltopdf is an open source component that uses WebKit web browser to generate PDF, http://code.google.com/p/wkhtmltopdf/ Their website has the following Tutorials: Wkhtmltopdf WWW.Myhomepage.Com myhomepage.PDF Wkhtmltopdf--Help In

(I) Search for files larger than 50 MB from the root directory and display the first 10 files in the size list: [Root @ Rocky ~] # Find/-printf "% K % P \ n" | sort-g-K 1,1 | \ awk '{if ($1> 50000) print $1/1024 "MB" "$2} '| tail-N 10111.968

Not strictly speaking, daemon is a service and can be divided into two categories:① Stand alone② Super daemonNot strictly speaking, the corresponding port of the service, that... That, daemon corresponds to the port ...? We can query their

I. Boot and Shutdown1: After successful login, the system starts shell. The normal user prompt is $, and the super user root prompt is # 2: shutdown: only the root user can shut down the shutdown command.Shutdown [-T seconds] [Option] time [Warning

In Windows and Linux operating systems, grub is often removed from MBR by reinstalling windows. in this way, no menu options will appear during startup, and Linux cannot be restarted. You can solve this problem using the following methods: Solution

My practice: For network connection, select "network connection chip" and select "Nic used by host"Set the Linux IP Address 1. Execute the following commandVI/etc/sysconfig/network-scripts/ifcfg-eth0At the end, add the following code, Press ESC, and

First, we need to know that the language environment variables for controlling Linux OS are $ Lang and $ lc_all. To solve the garbled problem, we only need to set the above two variables correctly. Garbled characters can be divided into two

There are many tutorials for installing JDK in Linux on the Internet, but we often download some incomplete tutorials on the Internet, which leads to environment configuration problems. I will share with you some of my company's configuration

Method 1. add IP Address: ifconfig eth0 192.168.1.3 netmask 255.255.255.02. add Default Gateway: Route add default GW 192.168.1.1 Dev eth0 prompt: delete default network management command is route del default GW 134.77.8.10 Dev eth0 second method:

(I) Concept① Physical CPU  Number of CPUs in the actual server slot Number of physical CPUs, which can contain a few unique physical IDS ② Logical CPU Linux users are certainly familiar with the/proc/cpuinfo file. It is used to store CPU

(I) kernel IntroductionResponsibilities:① System initialization: Check hardware resources and guide the system② Process scheduling: determines the process startup and running time③ Memory management: allocate memory for Running Processes④ Security:

The third article about O & M of chinamoocs is published. Gossip, face-to-face theme If you are interested, please refer Article 1: [O & M personnel _ 01] 20 built-in Linux monitoring tools: Top Article 2: [O & M personnel _ 02] 20 built-in Linux

Definition:Htop is an interactive process browser in Linux, the enhanced version of topObtain:Obtain htopHtop:Go to: htopExit: Press Q   Common Operations:① Processes cannot be located at the top, and processes can be selected at the upper and

(I) Principles of compression technology: -- Principle 1Because 1 byte = 8 bit, each byte has 8 memory units, and each memory unit can be 0, 1. When we record the number 1, seven bits should be "null ". However, to meet the needs of our current OS

  1 Purpose:1) print the information, including the variable value and string.2) Help the debug program in shell programming   2 common parameters: -N: Do not wrap the line after printing the information-E: Escape strings   Example 3: Example

(I) Network Interface① Naming rulesThe Linux kernel specifies a different prefix for the interface name based on the interface type. After the prefix, a number is assigned to each interface from scratch.For example:All Ethernet interfaces start with

Many new users are switching from other platforms to Linux. These new users are likely: It turns out to be a Microsoft Windows Super User. It may also be because the boss catches up with the duck and requires the SA responsible for managing a Linux

(I) Historical Background Nowadays, most software comes with shared libraries, or for security or business considerations. For example: ORACLE: $ ORACLE_HOME/lib MySQL: $ home/MySQL/lib The following is the configuration of LD_LIBRARY_PATH in.

The entire process of Oracle10g command line installation in Linux 1. Download and decompress the file to download oralce10g for Linux on the oralce official website, which can be i386 or x86_64. Unzip 10201_database_linux32.zip installation package