Linux

After the Linux operating system server restarts, the system starts an error and the system does not work properly.1, error message 1.1, error screen information1.2, error message extraction key information(1)/dev/sda3:file ... (Inode #139928, mod

Support Linux bootloader More, developed into the 2010, there have been some inevitable results, some bootloader has disappeared, some bootloader have been replaced, some bootloader were merged, some although in development, But has retreated to a

In Unix-like systems, you can use top to view information such as system resources, processes, memory consumption, and so on. View network status You can use Netstat, nmap and other tools. To see real-time network traffic, monitor TCP/IP

RPM is a "Add/Remove Program" in Windows like Redhat Package Manager (Redhat Packages management tool)RPM Execution Installation packageBinary packages (binary) and source code packages (sources) are two types. Binary packages can be installed

Linux NIC configurationFirst, view network card information1, ifconfig: Check the IP information of the network card2, the network card configuration file:/etc/sysconfig/network-scripts/ifcfg-eth0Eth0: Represents the name of a network card, if there

When a server, both a test environment, also has a generated environment, development needs to be tested online, if the development of the production environment, then the development of the error-prone operationThe requirements are as follows:(1)

This is my test pass, purely recorded to see, the final solution in the last, the middle is to meet some of the pits, you can skip the look!! My operating experience, reproduced please indicate the source:

Super easy to use Linux system query network card and other traffic parameters of the tool, share to everyone!!!At work, you may encounter this kind of situation: managed server traffic exceeded the limit, but suddenly can not be like Windows host

Github.com, as a programmer's code warehouse, we often use. But sometimes we can't link it directly through the Internet, only through proxies.Here I have a proxy server, at first I thought the terminal set up the proxy environment on the line, it

Linux Memory Management---The difference between virtual address, logical address, linear address, physical address (i)This article describes the concept of four nouns, which are analyzed for four address conversionsThe CPU translates the address in

Head and tail commands for linux commands, and tail commands Head Syntax Example Tail Syntax Example Example of combined head and tail usage Head syntax head [-n -k ]... [FILE]...Example

Linux system add root certificate linux Certificate Trust List, linux Certificate 1. https certificate access in linux [root@boss-test-dev001-jydx ~]# curl -v https://mobile.mycard520.com.tw* About to connect() to mobile.mycard520.com.tw port 443 (#0

Check for missing disks and file systems in linux.Linux disks and file systems Format Because the file attributes/permissions set by each file system are not the same, to store the data, you need to format the separation slot. For example, in

Linux system management commands and linux System Management System and management commands Users and Groups commandsUsersImportance: MediumDisplays all logged-on users. This command is basically the same as who-q. GroupsImportance: MediumLists the

Linux | XAMPP build Discuz Forum I XAMPP XAMPP is the most popular PHP development environmentXAMPP is a free and easy-to-install Apache release that includes MySQL, PHP, and Perl. The setting of the XAMPP open source package makes installation and

Ubuntu 14.04.02 LTS startup Item written by mistake/dev/sda1 (win 7 loader) Fix, 14.04.02sda1 Problem description: Install Ubuntu14.04 in win7. Due to the incorrect startup Item/boot loader installation location (/dev/sda1 (win 7 loader), Windows

(5) Linux environment deployment (Centos + Nginx + Tomcat + Mysql)-Mysql Installation   In my local testing practice, the following is a complete operating document for Centos + Nginx + Tomcat + Mysql on Linux. The record is as follows, we hope to

Linux performance monitoring and Common commands As a DBA, it is also necessary to have certain Linux server performance monitoring knowledge. Sometimes Oracle database performance problems are caused by server performance bottlenecks. That is to

Create, copy, cut, rename, clear, and delete folders in linux There is the wwwroot directory under the home directory, and the sinozzz directory under the wwwroot directory, that is,/home/wwwroot/sinozzz I. Create a directory Create a folder named

Use TelnetClient to obtain Zookeeper Monitoring Data To write a Java program that monitors Zookeeper, you can use either of the following methods: (1) send commands through TelnetClient, detailed command reference: