Installing BaculaSeveral network backup topologies for 1 BaculaThe previous article describes the Bacula has 5 components, in the actual application, there is no need to put 5 parts on different servers, some parts of them can be merged, the common Bacula deployment structure is as follows:Director and SD and console on one machine, while client FD on another machine, of course, client FD can have one or mo
Bacula is an open-source cross-platform network backup tool that provides an enterprise-class CS-based backup solution. You can back up, restore, and verify data integrity.Features: Full backup, Incremental backup, and differential backup are supported. Multiple recovery methods are supported, including ext3, ext2, reiserfs, xfs, jfs, smbfs, iso9660, and ntfs) supports a variety of backup media support a variety of operating systems powerful internal
Configure the Bacula backup system, in fact, is the director-side configuration file bacula-dir.conf, SD profile bacula-sd.conf, The client FD Profile bacula-fd.conf and the console-side configuration file bconsole.conf are configured.
According to the above installation deployment, the director end, SD, The console e
First, IntroductionBacula-web is a PHP-written web application, it can run on Apache or nginx, mainly can do a Bacula backup display.Second, installation and configuration1) Install Apache# sudo yum-y install httpd# systemctl enable httpd# systemctl start httpd2) Install PHP and database-related modules# sudo yum install php php-gettext php-mysql php-pdo3) Find the location of the Bacula database fileBacula
Several network backup topologies of Bacula
The previous article introduced the Bacula has 5 components, in the actual application, does not need to place 5 parts on the different server, some parts of them can be merged, the common Bacula deployment structure has the following several kinds:
1 Director and SD and console on a machine, while the client FD on an
I. Overview of bacula
1. bacula ComponentsBacula is known as the best backup and restoration software in open-source software. It provides a backup solution for enterprise-level clients/servers, allowing you to manage file backup, recovery, and verification over the network. windows, Linux, and Unix.A complete bacula backup system consists of the following five m
First, start the Bacula Director daemon and Storage daemon
When the above configuration is complete, you can start or close the Bacula. Start or turn off all the services on the Baculaserver, as in the next two ways.
The first approach is as follows:
[Root@baculaserver etc]#/opt/bacula/sbin/bacula
{Start|stop|re
The company originally used the standby machine Oracle-linux 5.7 is not very stable execution. Often crashes, new installation centos6.5, that is, the data to be backed up with Bacula. Here, for the installation of the fault record, MEMO.Operating system: centos6.51. Install MySQLInstall with YumYum install MySQL mysql-server mysql-develNote here to be sure to install Mysql-devel, otherwise in the Configure Bacula
Support – Open source software can provide community support (such as mailing lists and forums) and professional support (such as distribution to provide additional paid support). You can use paid professional support to provide you with training and counseling.Reports and warnings – Finally, you must be able to see the backup report, the current working status, and also be able to provide a warning when a backup error occurs. bacula– A client serv
First, what is Bacula?
Bacula is an open source Cross-platform network Backup tool that provides a backup recovery solution based on an enterprise-class client/server that enables system administrators to back up, restore, and integrity verify data, while providing many advanced storage management features, Makes it easy for system administrators to discover and recover missing or corrupted files.
One, example demo Bacula full backup function
1. Create a volume group
Perform the following command to connect to the Bacula control and perform a backup restore operation:
[root@baculaserver opt]#/opt/bacula/sbin/bconsole
connecting to Director 192.168.12.188:9101
1000 OK: F10-64-build-dir version:3.0.2 (July 2009)
Enter a period to cancel a command
Bacula is an open source Cross-platform network Backup tool that provides a backup solution based on an enterprise-class CS system. Data can be backed up, restored, and verified for integrity.
function characteristic:
Supports full backups, incremental backups, differential backups.
Supports multiple recovery methods
Support for backup recovery under Multiple file systems (ext3, ext2, ReiserFS, XFS, JFS, SMBFS, iso9660, NTFS, etc.)
Supports vario
One, example demo Bacula Full recovery function
1. Full recovery via differential backup
Action steps are as follows:
*status status Available for:1: Director 2:storage 3:client 4:all Select daemon Type For status (1-4): 1 f10-64-build-dir version:3.0.2 (July 2009) X86_64-unknown-linux-gnu Redhat Daemon started 21-
Aug-09 15:01, 1 Job run since started. heap:heap=253,952 smbytes=84,808 max_bytes=85,641 bufs=266 max_bufs=279 scheduled Type
Before encountered the same problem, is the FD configuration file without errors, but is not backup, forget is God horse principle, anyway in hotsts file inside add a *.*.*.* bacula_storage on OK.Make a note first, it's a good head than a rotten pen!!!The reason here is that the address of the storage set in the Dir configuration file is a host name, not the IP address used, because there is no DNS or WINS resolution, so you can only use the hosts Dafa. This is the beginning to solve the problem
1.Encryption Algorithm Daquan:Rsa:RSA is made of the initial letters of the surnames of Ron Rivest, Adi Shamir, and Leonard Adleman, who first publicly desc Ribed the algorithm in 1977.Http://www.emc.com/corporate/about-rsa/index.htmHttps://en.wikipedia.org/wiki/RSA_%28cryptosystem%29DSA: Digitally Signature algorithm digital Signature AlgorithmECDSA: Elliptic Curve digital Signature algorithm Elliptic curve Signature algorithmDSS: Digital Signature S
DotNet encryption-symmetric encryption and dotnet encryption --
Just one day before the Chinese New Year's Eve, it's close to you to go home. Some people are excited, because they will have to go through the annual installation drama in a few days, and all the parties, including relatives, friends, and students, will show off, therefore, I have to pay a year-end
Symmetric encryption and asymmetric encryption, asymmetric encryption
What is encryption? Encryption is divided into two parts: algorithm and key. The algorithm remains unchanged, and the key changes. For more information, see the following example.
Key: abcedfgh-> 12345678.
When it comes to encryption, it's reminiscent of digital signatures, what are the two often confusing concepts?Encryption: Encryption is a way to send information in a password. Only the person with the correct key can unlock the password for this message. For others, the message looks like a series of random letters, numbers, and symbols.
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