Vyacheslav

Configuring Syslog on Juniper

I will give an example of setting up Juniper logging to the syslog server, for convenience, to view the logs of all devices in one place, and it will also be possible to disable logging to the device’s memory to save its memory.

Warning: Host-bound traffic for protocol/exception DHCPv4:bad-packets exceeded its allowed bandwidth

Once I noticed the following warnings in the Juniper MX204 logs:

SNMP OID for Cisco Nexus

For example, I will take Cisco Nexus 3064 (N3K-C3064PQ-10GX) and make a template for it in Zabbix, I will briefly describe the main SNMP OID/MIB that I used:

SNMP OID for Juniper QFX

I once wrote a Zabbix template for QFX5100 and will show some of the main SNMP OIDs that I used:

Setting up Syslog on MikroTik (RouterOS)

In this article, I will show an example of how to set up sending MikroTik logs to the Syslog server.

ABillS. Service status change script for tariffs with daily charge

Since in the ABillS bilingual system on tariffs with daily accrual, when the user has no money in the account, the status of the service does not automatically change to Too little deposit, and the customers are driven into a negative balance and then only turned off, I had to make a script from a SQL query and add it to Cron, as there were often cases when users complained that they were driven into a minus.

How to update Zabbix templates

I started using Zabbix server a very long time ago, gradually updated it to the newest versions, and after a while I noticed that the server was updated, and the standard templates remained old.

How to reserve accel-ppp (balancing)

In this article, I will give an example of balancing users on several accel-ppp servers, or in other words, this can also be called redundant accel-ppp servers.

SSH root connection in Ubuntu

Once I needed to use rsync to copy a lot of data from the server to which only the root user had access, so I allowed the root user to connect via ssh.

Solution BUG: Bad page state in process kworker

Once I assembled a new access server with Accel-ppp and Intel XL710 network adapters, and after putting it into operation, I noticed that all processor cores are used evenly, and the tenth core is used almost 100%, and I also noticed messages in the logs: