Linux

Sources need to install the software source codeBasic principles of Linux 1. Small program consisting of a single purpose to complete complex tasks2. All Documents3. Avoid capturing user interfaces as much as possible4. Save the configuration file

Linux-find commandThe Linux Find command searches the directory structure for the file, and the action specified by the line.1. Command format:find Pathname-options [-print-exec-ok ...] 2. Command function:Used to find files in the file tree and to

1: User command, can be initiated by anyone2: System calls, functions provided by the kernel3: Library functions4: Special files in device,/dev Directory5: File format description, e.g./etc/passwd6: Game7: Miscellaneous, such as macro command

Count down to learn Linux six months, 1.1 points of accumulation to now. Sum up some of the past ignorance of their own and want to learn Linux people, we learn together.From the beginning of the white, the internet is mostly said from the "Bird

What is core dump?Analysis of core dump is an effective way to debug Linux applications, like kernel debug crawl Ram dump, Core dump is mainly to get the application crash when the site information, such as the program Runtime memory, register state,

Linux startup processReference: http://www.ruanyifeng.com/blog/2013/08/linux_boot_process.html The loads the kernel, first reading the kernel files in the/boot directory. The initiates the initialization process/sbin/init, which

Can search the Web "Linux command Daquan" learning, the following are some of the common commands I use.20150716Cd/home Enter '/home ' directory 'Cd.. Return to the top level directoryCd.. /.. Return to the top level two directoryCD into the

0x01Using the command "SU username"This method can switch between the normal user and the root user.0x02Switch from normal user to root user, also use command "sudo su"0x03SU is the abbreviation for switch user, that is, switching users.Enter "Exit"

1. Upload zookeeper-3.4.6.tar.gz installation package2. Unzip Tar-xzf zookeeper-3.4.6.tar.gz3. Configuration (first configured on a single node)3.1 Adding a zoo.cfg configuration file$ZOOKEEPER/confMV Zoo_sample.cfg Zoo.cfg3.2 Modifying a

1. Netstat-nat|grep-i "80″|WC-L2.     : q!  Exit 3 is not saved.  : Wq//Save Exit 4.  Ps–ef|grep ' 5. Top:top per 5-second explicit resource usage for all processestop-d 2 // every 2 seconds explicit resource usage for all processes Top-c//

Linux Network Bridge ConfigurationRequirements :a management port Gigabit network cardETH0, two service port Gigabit network cards (ETH1and theETH2),running CentOS6.5asKVMhost, you need to use two business port Nic as a bridgeConfiguration:1. View

Section Ten Chapters Embedded Linux The Debugging TechnologyExperienceThis chapter mainly introduces the main contents of the debugging technology of Embedded Linux. Through the study of the 10th chapter, I have a basic understanding of the methods

Development using multi-threaded process, it is inevitable that multiple threads concurrently operate the same piece of shared resources, when the operation is all read, there will be no unknown results, once there is a write operation in a thread

Common commands of the vi editor and commonly used commands of the linuxvi editor in Linux Cursor control H Move the cursor to the left J Move the cursor downward K Move cursor up L (or spacebar) Move

Configure the firewall for CentOS7 Use commands to configure the CentOS7 Firewall # AddFirewall-cmd -- permanent -- zone = public -- add-port = 80/tcp# RemoveFirewall-cmd -- permanent -- zone = public -- remove-port = 80/tcp# ReloadFirewall-cmd --

Ubuntu16.04LTS installation, ubuntu16.04lts 1. Create a USB flash drive Download ubuntu-16.04-desktop-amd64.iso file, use U disk boot disk production tools: Win32DiskImager (14.04LTS after all need to use this tool production:

Ping Command. ping Command details Ping -- test network connectivity Command path:/bin/ping   Example 1: # Ping 192.168.0.107 After the command is executed, a packet is sent to 192.168.0.107, and the returned data time is recorded to test

Linux screen command and linuxscreen command Engineers often need ssh or telnet to remotely log on to the Linux server and run tasks that take a long time to complete, such as system backup and ftp file transfer, generally, we open a remote terminal

RHEL implements rsh password-less access I. Environment 1. Two rhel 6.4 host names: node1 and node2 2. The IP addresses are 192.168.78.14 192.168.78.15 3. The hosts files of both hosts are: 192.168.78.14 node1 192.168.78.15 node2 2. Install rsh and

Install Zabbix2.2 using yum in CentOSWhat is zabbix? Zabbix is an enterprise-level open-source solution that provides distributed system monitoring and network monitoring functions based on the WEB interface. Zabbix can monitor various network