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Libcloud is a unified interface for accessing cloud computing services, a project that has become the top-level project of the Apache organization with Python development.The Apache Foundation announced on May 25 that Libcloud has hatched and become a top-notch project.One Interface to Rule them allPython Library for interacting with many of the popular cloud service providers using a unified API.Basic example: fromlibcloud.compute.types Import Provider fromlibcloud.compute.providers Import Get_

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partition, and the time to format varies depending on the size of the hard disk. (You can also decide to choose Other file formats, such as EXT4, etc.)5. Add partition informationWrite new partition information using the "Echo '/dev/xvdb1/mnt ext3 defaults 0 0 ' >>/etc/fstab" (unquoted) command.Then using the "cat/etc/fstab" command to view, the following message indicates that the write was successful. Note: ubuntu12.04 does not support barrier, so the correct wording is: Echo '/dev/xvdb1/mnt

　　What are the Aliyun application cases? In addition to providing security, you can also use security groups to implement: Case 1: Intranet interoperability Case 2: Intercepting a specific IP or port Case 3: Allow only specific IP logins to instances Case 4: Only allow instances to access external specific IP Description: The case described in this document applies only to classic networks. Case 1: Using security groups to achieve intranet inte

Aliyun How to query security group rules You can query security group rules. The operation is as follows: Log on to the Cloud Server Management Console. Click a security group in the left navigation. Select a region. Select a security group and click Configure Rules. The content of classic network and proprietary network is different: If the security group is a proprietary network, can see the intranet into the direction, the network out direct

　Aliyun How to authorize security group rules The Authorization Security group rule allows or prohibits access to the public network and the inbound direction of an ECS instance associated with a security group. You can authorize and revoke security group rules at any time. Your Change security group rule is automatically applied to the ECS instance associated with the security group. None of the rules in the security group can do this: Allow an ECS

　　Aliyun How to modify the name and description of a custom mirror You can modify the name and description information of a custom mirror at any time. The operation is as follows: Log on to the Cloud Server Management Console. Click a mirror in the left navigation. You can see a mirrored list. Select the area at the top of the page. Select the mirror you want to edit. The mirror type must be a custom mirror. Modify Name: Move the mouse over the

　　Aliyun How to copy a mirror Implementing a custom mirror across geographies Custom mirrors cannot be used across geographies. However, if you need to use custom mirrors across geographies, you can copy the mirrors. You can copy a custom mirror from the current domain to another location, or a system backup or a consistent application environment deployment in another geographic area. Replication mirroring requires that the mirrored files of the s

　　Aliyun how to set up automatic snapshots to be released with disk By default, an automatic snapshot of the disk is released with the disk when the system disk is replaced and the disk is freed. You can also prevent automatic snapshots from being freed with disk and keep automatic snapshots as follows: Log on to the Cloud Server Management Console. Click the disk in the left navigation. Locate the disk you want to set, and then click More > Modi

　　Aliyun how to set up an automatic snapshot policy for a disk You can set up an automatic snapshot policy for the disk, depending on your business needs. The name format for automatic snapshots is: auto_yyyymmdd_1, such as Auto_20140418_1 Description When you create snapshots, there is a certain fluctuation in your disk reading and writing, and it is highly recommended that, depending on your business load, you should choose to perform automatic

　 What is the Aliyun server 　 advantage? Cloud Server ECS has the advantage of not having traditional servers and virtual hosts: Stability: Service availability up to 99.95%, data reliability up to 99.99%. Support for downtime migration, data snapshot backup and rollback, and system performance alerting. Disaster Recovery backup: Multiple copies of each data, a single damage can be quickly recovered in a short period of time. Security: Supports t

Mirror Replication FAQ ECS Cloud Server Shared Mirror FAQ Local SSD Disk FAQ Upgrade Configuration FAQ ECS Cloud Server Custom Mirroring FAQ ECS Cloud Server Bandwidth FAQ SSD Cloud Disk FAQ ECS Cloud Server Automatic Snapshot FAQ Standalone cloud disk and free Area FAQ ECS Cloud Server operating System FAQ Monthly ECS Bandwidth by flowmeter Fee FAQ Pay per volume and available area FAQ ECS Cloud Server Disk FAQ Mirror Market Commercialization FAQ Instructions on ECS not supporting

　　Aliyun How to view disk monitoring information You can view the disk's IOPS, BPS, and other monitoring information. The operation is as follows: Log on to the Cloud Server Management Console. Select the disk for which you want to view monitoring information. There are two ways to find the disk you want to see: From the instance on which the disk is mounted, enter the instance disk in the instance details page to find the corresponding disk; Loc

　　Aliyun How to enlarge the data disk (Linux instance) As your business grows, your disk capacity may not meet your data storage needs, and you can expand the disk. The methods described in this document apply only to data disks . If you want to enlarge the system disk , you need to replace the system disk. Please refer to the replacement system disk. Information on expansion Before expansion It is recommended that you manually create snapshots t

　　Aliyun how to reinitialize a disk Reinitialization of disk operations will set the disk to the state it was originally created in. 　　Before you reinitialize the disk, be sure to read the following considerations carefully: After the disk is reinitialized, the data on the disk will be lost and be sure to make a backup in advance, for example, in the form of a snapshot, see Creating snapshots. Keep your reserved cell phone unblocked. Reinitializat

　　How the Aliyun server mounts the data disk Cloud Server ECS supports mounting a common cloud disk, an efficient cloud disk, and an SSD cloud disk used as a data disk. You can choose to mount from an instance portal, or mount from a disk entry, which makes no difference, and you can choose any one of these actions. The following are described separately. Operation Notice Before you mount a data disk, understand the following considerations: When

　　Aliyun How to join an instance in a security group In the console, you can add an instance to a security group. A maximum of 5 security groups can be added to an ECS instance. Log on to the Cloud Server Management Console. Click an instance in the left-hand navigation bar. Click the area at the top of the page. Select the instance you want, click on the name of the instance, or the admin on the right, and jump to the instance details page. Cli

　　Pay by Volume: Release instances, turn off automatic release 　　Description: This document applies only to users who pay by volume . Releasing instances If you no longer need an instance, you need to release it as soon as possible. Otherwise, even if you stop, Aliyun will continue to charge until you release the instance. There are two modes of release: Immediate Release: Immediately release the Pay-as-you-go instance. Timed release: Schedule a

　　Aliyun how to set up and match configuration The so-called lifting and matching, is the configuration of the instance to upgrade or downgrade. Your volume of business may change, and you can meet your needs through Shengjiang. The Take-off and landing is equipped with the following application scenarios: Upgrade the instance specification, including CPU, memory, base bandwidth; Demote the instance specification; Temporary bandwidth upgrades, su

　　 Aliyun Broadband Price Friendly Tips The monthly ECS has supported the bandwidth according to the flowmeter fee (flow according to the hourly billing) type, welcome your new choice, flow price reference according to volume flow price, such as Hangzhou flow price 0.8 Yuan/GB/hour. Package Annual Monthly Billing Items Description Specifications Price Unit East China 1East China 2North China 2South China 1 North Ch