1. Operating System Functions
1 ),From the perspective of computer system composition-the operating system isSystem Software
Computer system composition:
Software: application software
What is a system image? System image is a copy of the entire system, if the system is damaged or missing files, causing the computer system failure to stop working, you can restore the system to the state before the failure. The
Operation Steps
Double-click to open "one key Ghost".
The user selects "Yes" after the prompt warning.
Wait for the software to "initialize".
Software can automatically identify the user before the backup, inform the user information! At this point, the user selects "one-click Recovery
The Win7 system method for restoring the backup is as follows:
1, first open "Control Panel", and turn on "backup Restore", and then click "Create System Mirroring" after the following interface will appear;
2, and then choose to save on the hard disk, pay attention to the Win7 with the
Disk. The Select Source Disk dialog box is displayed first, listing all the hard drives on this machine. Select the source disk in the list of hard drives, then display the Select Destination dialog box, select the target disk from the list of hard drives, click the OK button, and then click Yes to start the hard drive clone.
②to Image. After selecting the To Image option, select the source disk and display the input Image FileName dialog box with the default extension. GHO, you can choose not
Backup is very important. Backup can minimize the loss. However, the backup in Linux makes a beginner feel that it is not as simple as in Windows. In fact, once you go deep, you will find that the backup in Linux is quite flexible. As long as you are familiar with it, you can configure the
One
way to install the RPM software in bare Linux (no gcc, no RPM Package Manager, no make command, no system software manager such as Apt-get,zypper,yast, etc.) Installing software in an extremely cropped Linux system is a hassle.
Our bare Linux refers to:
1. No
installed manually. Then we can use the following command to check in advance whether the system has installed the dump command.[HTML]View Plaincopy
[Email protected]~]# rpm-qa |grep Dump
The results of operation 1 are as follows:Figure 1 See if the system has the dump command installedAs shown in 1, in the query results we only see a tcpdump command. This is the grab command for the Linux
The importance of operating system backup believe that everyone is self-evident, as the new operating system, Win 7 in the backup system, what is the change of human nature? Today I'm going to take a look at Windows 7 system
For system administrators, the focus of their work should be on maintaining the normal operation of the system and providing services normally. A data backup problem is often involved here, as I know, 80% of system administrators do not care too much about the security of their servers. However, they are often quite in
Operation Steps:
1, first open the Control Panel-system and security-history file records (through historical documents to save your copy of the historical document).
2, the lower left corner of the "System image Recovery" button, point open;
3, choose the location of the backup, where the system will pr
Data:/Home (You know)/Work (my working directory)/OPT (software installation directory)/Var/lib/MySQL (Mysql Data File directory)In addition, some important configuration files need to be maintained:/Etc/profile (various environment variables)/Etc/bashrc (various environment variables)/Etc/crontab (set scheduled backup)/Etc/fstab (storing file system information
thread blocked
View Details:
> Errpt-aj 3D32B80D | more
3D32B80D error is mainly caused by the high load of the entire system, resulting in HA heartbeat failure to communicate normally.
Specific reasons:
This is because the database is backed up by rman at every day, resulting in frequent I/O reads of the database, resulting in a large amount of CPU waiting. IO and excessive CPU waiting results in a high load on the entire server. The database server
Tags: Upgrade show Lin requires Linux image src command to deleteInstalling software in the Linux terminalThere are three kinds of ways: Rpm,yum, source installation. This essay only shows how RPM installs the softwareRPM Install the command to see if the software is installed1. Install the PackageInstall package use command RPM–IVH package nameTo query all installed packages:Show installation of related pa
First, Introduction
When we install the software on the Windows system, we add some information related to these programs, and set him up as a database, we can implement software installation, uninstall, upgrade and verification, similar to the "Add Remove Program" of Windows. Because the source package is used to set up compilation parameters on Linux systems,
The configuration process is documented to prevent forgetting! If the proposed technical support QQ group 139785720 configuration structure is as follows:
I. Installation steps (server-side 192.168.0.5)
1) Install rsync click Download rsync-3.0.9.tar.gzDownload files to the directory/usr/src#cd/USR/SRC#tar-zxvf rsync-3.0.9.tar.gz/Extract Files#cd rsync-3.0.9//Enter the file directory#./configure//Primary role is to configure the software that i
First, the win system MySQL backup and restore:1, Backup:Start-and-run->cmd, go to the MySQL Bin folder:Mysqldump-u user name-p databasename >exportfilenameEnter a password to export the database.2, Restore:Enter the MySQL command line, "Mysql>", to create the database to restore:Create Database Databasesname;Go to the database you created, and restore:Use Databasename;source exportfilename;Ii. MySQL
Same-system inter-machine Lerman database migration, detailed explanation of Inter-server Lerman backup and recovery
Migration of Oracle RMAN from different machines in the same system, detailed explanation of Oracle RMAN backup and recovery
Environment:Source Server:VM7.14 rhel5.5-32 Oracle 11.2.0.0g172.16.3.202T
--Resolution steps
1, we in the WP8, we click inside the application + set the following "Management backup"
2, then we will see in the system storage has a OneDrive network disk backup record
3, here we put the previous backup delete, click the "Delete" button.
Okay, the previous
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