Linux

Sorting out the commands that are often used in your work, and what cd,ls those are not listed: See how many times the string appears in the file:grep "string" file-c Get the IP address of the eth0, and replace it with other names

Linux Disable PingFirst, modify the kernel parameters1. The command to temporarily allow the ping operation is: Echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all2. Permanently allow the ping configuration method.Add a row to the

Today we have a VMware virtual machine hard disk image, which is a demo product for other companies.After launch is grub with Ubuntu lettering. After entering the system, it is not a shell, but a custom command line. So if you want to know the

IP commands are used to display or manipulate the Linux host's routing, network devices, Policy Routing and tunneling, which is the newer powerful network Configuration tool under Linux.IP [OPTIONS] OBJECT {COMMAND | HelpOptions is the option to

Start the network card serviceService Network restartdevice=eth0# the name of the NIC hwaddr=00:0c:29:d3:01:b7# Mike address type=ethernet# with what web uuid= ebfe7255-c409-4b89-a08a-cae826677d11#uuidonboot=yesnm_controlled=nobootproto=static#

Install jdk on centos7 1. Download jdk Http://www.oracle.com/technetwork/Java/javase/downloads/jdk8-downloads-2133151.html (Based on the number of digits in the operating system, select the corresponding version, 32-bit select x86, 64 select x64

Install jexus5.8.2 on Centos7 Installing mono is too troublesome and quick productization development. I have installed the independent version without installing mono. Next, install Jexus step by step. Open putty and use a non-root user to log on

Install the RPM command in centos 7RPM InstallationCommand:File Name of the rpm-I package to be installedExample:Rpm-I example. rpm install the example. rpm package;Rpm-iv example. rpm install the example. rpm package and display the file

How to quickly become a Linux O & M EngineerHow to quickly become a Linux O & M EngineerToday, most of the websites, services, and games on the Internet are running on Linux. Although there are many Linux releases, as long as you are familiar with

Become a Linux expert and these four hot skills are essentialGuideThe problem with becoming a Linux expert is that the definition of "expert" is constantly changing. When I entered the Linux World, I thought that as a Linux expert, you need to be

Gitlab official instructions on data deletion eventsGuideThe official GitLab.com website issued a statement saying that the website cannot be accessed due to database problems. According to foreign media reports, the tired system administrator of

Why does it o & M engineers need to learn about Linux?Whether you know it or not, you actually use Linux every day. Every time you access Weibo, Baidu, or even some small movie websites, your client (browser) is communicating with the server

Metadata service mechanism of OpenStackGuideOn the cloud computing IaaS (Infrastructure as a service) platform, custom configuration during Virtual Machine startup is an important feature. As the mainstream IaaS product OpenStack, it uses the

Centos7 sets the default kernel to start, and centos7 sets the default kernel. When the centos kernel is started, there will be three options, and only one desktop that can be logged on to the graphic interface normally: The following describes

The dual system directly enters grub and cannot access ubantu solution. grububantu Background: Install Windows 10 and ubantu dual systems Problem:> 1. After ubantu is installed, you cannot access the system, but directly access the grub command. 2.

Install MySQL 6.5 in Centos 5.61. Download the RPM package corresponding to Linux Http://dev.mysql.com/downloads/mysql/5.6.html wget http://cdn.mysql.com//Downloads/MySQL-5.6/MySQL-5.6.33-1.el6.x86_64.rpm-bundle.tar 1 1 2. decompress the tar

Nginx TCP forwarding Configuration Today, some customers need to add a mobile line, but the data center has not yet activated the mobile line. I tried forwarding. Good results The customer's requirement is that the server only performs TCP services,

Install Nginx 1.7.4 and related commands in CentOS7.0I. Installation preparationFirst, some modules of nginx depend on some lib libraries. Therefore, you must install these lib libraries before installing nginx, these dependent libraries mainly

Easily change the root password of mysql in CentOS Objective: To modify the root password of MySQL Detailed steps 1. Forget the password of the mysql root Account 1. First, disable the mysqld service (mysqld_safe -- skip-grant-tables &), and

Centos7 installation and configuration vsftp In fact, it is not difficult to build an ftp server, but there is a lot of incomplete information on the network. It is a pitfall for new users. I have skipped the pitfall and wasted a lot of my life,