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Greg Popov2019-12-12 15:09:20
linux
Greg Popov, 2019-12-12 15:09:20

How to monitor and backup Ubuntu server?

Given: a server on an antediluvian service and a CRM system written by Indians in the best traditions.
Transferring this goodness to DO or AWS is scary: you need to spend a lot of time.
Required: configure helchecks for critical errors and backup the system (with all settings, etc.) to a remote server.
What tools do you use? What do you advise?

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3 answer(s)
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paran0id, 2019-12-12
@paran0id

Monitor with zabbix or prometheus+grafana.
Backups are easier to do manually, and / or snapshot the entire virtual machine (I didn’t understand what kind of service).

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CityCat4, 2019-12-12
@CityCat4

If it is possible to make a snapshot - backup virtual machines using backup tools. If this is a bare-metal server - well, either dump / restore or another backup that works inside the system. Recovery, however, in this case will be slower.

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mayton2019, 2019-12-14
@mayton2019

This is a very tricky question. By itself, backup is a meaningless operation if there is no clear scenario WHAT we are backing up and HOW we will raise this matter. After all, a backup is a stupid set of files. Images or logical copies of files. Therefore, the success of this event will not depend on whether we take rsync or tar or God knows what else. And from that what configuration of disks on a reserve piece of iron. What endpoints need to be raised. And is it necessary to back up everything at all? For application servers based on Tomcat/JBoss, for example, you only need to back up the application directory and settings, and possibly the OS environment. For databases, things are even more complicated there. According to Oracle RMAN, a book the size of the Pentateuch of Moses was written. In general, the advice to the author is not to backup, but to conduct a scenario for a complete installation of the product in a new location.

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