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Tags: enterprise creat operation record column SHA can nlog blog modification1. Master-Slave IntroductionData in the enterprise is a very important part of the database to store data many multi-use samples, but there is a hidden danger• Database Data loss• A database cannot guarantee quality of service when the number of database accesses is large2. The role of master and slave• Real-time disaster preparedness for failover• Read and write separation, providing query services•
When configuring router backup and recovery for the Alpha router, many people are afraid of wrong settings and cannot access the Internet. At this time, the router backup will play a major role.Next, I will take the Alpha router as an example to introduce how to back up and restore the router.1. log on to the Alpha router and select Configuration
/project/hooks/# Vim Pre-revprop-changeThe contents of the file are as follows:REPOS="$1"REV="$2"USER="$3"PROPNAME="$4"if ["$PROPNAME" = "svn:log"];then exit 0;fiexit 1After configuration, add executable permission to the effect.Six, backup managementA regular backup of the SVN server is important, and the simplest way is to periodically back up the warehouse dir
MySQL dual-machine hot backup installation and configuration are often used in linux server lvs load balancing and dual-machine hot backup applications. the installation and configuration process is as follows:
1. install MYSQL
# cp mysql-standard-4.1.9-pc-linux-gnu-i686.tar.gz /usr/local/# tar zxvf mysql-standard-4.
(1) backup
(1) iis7 will automatically back up the configuration to C before each operation on the site in iis7 (for example, adding, deleting, and modifying) takes effect: \ Inetpub \ history, which is automatically numbered in chronological order;
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Rsync Backup, synchronization of directory Files of the good tools, support increment, compression, difference ratio equivalent advanced characteristics;
Server-side Simple configuration file:
Temporary Quick Start rsync daemon#rsync--daemon
Client Quick Sync Method:
Quickly synchronize all files from the remote host to the current directory via the network, wwwroot
RSYNC-ACVZWS4--bwlimit=2048 rsync://
Old version of the software use instructions:
Support Switch, Hua San, cisco (Ruijie) switches need to configure Vty to allow Telnet.
How to use:
The first step to enter the switch two password, "T password" for the vty password, is telnet up the first password. "s password" is Huasan's super password, or Cisco's enable password
The second step is to select the type of switch that is backed up, and the current backup batch can only be the same bra
Mobile office is the trend of modern society, the use of Laptop network card interface connected to the local area network, immediately can enter the working state. However, the settings for each LAN are not the same, such as IP address, gateway and so on, then each to a new LAN, you need to reset, this still seems to be a bit of trouble.
In fact, we can back up the network settings under different circumstances, when you need to use in a network environment, the corresponding
Start the boot menu of the Huawei Switch configuration backup menu to restore switch data. Now, Huawei Switch configuration backup technology is gaining attention. Some people may not know what the Huawei Switch configuration backup
Analysis of Huawei Switch configuration backup: Implements switch File Replication. This article uses a notebook installed with FTP server software to replicate configuration files. This article provides detailed steps and related diagrams. Thank you for your guidance.
1) Upload the configuration file on the old switch
Use reverse CT for rsync for server synchronous backup and rsync server configuration
Use reverse CT to remove the delivery process to Achieve Synchronous server backup
First, install keep CT
Check whether audit CT is installed
Rpm-qa | grep tcl
Tclx-8.4.0-5.fc6
Tcl-8.4.13-4.el5
Second, install keep CT
:
Http://dl.oschina.net/soft/expect
Check the installation lo
HSRPThe hot backup router protocol is designed to support the failure of IP traffic transfer under certain circumstances, which will not cause confusion and allow the host to use a single router, and maintain the connectivity between routers even if the first hop router fails to be used. Next let's take a look at the configuration of the next instance.
Hot Backup
Iptables configuration backup iptables configuration is quite troublesome, but you must also learn iptables configuration backup. The following describes how to do this! Firewall settings require * shield all ports * set the default SSH port to 2222 * open ports 2222, 80, an
MySQL master-slave backup Configuration instanceScene:1, the primary server 192.168.0.225, from the server 192.168.0.226. Where the data is already available on the master server.2, the MySQL version on the master and slave server and the same installation configuration.First, the principle of master-slave backup:Each operation of the primary server database is recorded in the binary log file mysql-bin.xxx.
Tags: Reconnect time should method Record master server Eve tool RelayIn order to realize the redundancy of MySQL database, backup, recovery, load balancing and other functions, the two days have been learning and studying MySQL dual-machine hot standby, in fact, MySQL's dual-machine hot standby is the use of MySQL synchronization function of the two modes of "Master-Master" synchronization method to achieve. In the beginning of the search for data to
First, the advantages and disadvantages of rsync
Compared with the traditional CP and tar backup methods, Rsync has the advantages of high security, fast backup, support incremental backup, etc., through rsync can solve the real-time requirements of the data backup, such as regular
Oracle connection configuration and instance backup and recovery, oracle instance
Background: It is impossible for a team to build their own local database for project development. In most cases, the database on the server is used in a unified manner. In this case, remote database connection is required. In addition, you also need to migrate the database. At this time, you need to back up and restore the da
Install and configure MySQL dual-machine hot backup [group chart] bitsCN.com
Mysql dual-host hot backup is often used in linux server lvs load balancing and dual-host hot backup applications. the installation and configuration process is as follows:
1. install MYSQL
# Cp mysql-standard-4.1.9-pc-linux-gnu-i686.tar.gz/us
Tags: count installation configuration PAC space Master-slave backup hang diary mysqldump PatMySQL master-slave backup Configuration instance Scene: 1, the primary server 192.168.0.225, from the server 192.168.0.226. Where the data is already available on the master server. 2, the MySQL version on the master and slave
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