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.
Continue reading “How to update Zabbix templates”Author Archives: Vyacheslav
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.
Continue reading “How to reserve accel-ppp (balancing)”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.
Continue reading “SSH root connection in Ubuntu”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:
Continue reading “Solution BUG: Bad page state in process kworker”SNMP OID for Netman 102 plus
Once I needed to create a template in Zabbix to monitor Netman 102 plus, I will describe which SNMP OIDs I used.
Continue reading “SNMP OID for Netman 102 plus”How to set up iBGP in Bird
For example, I will configure the internal BGP protocol in Bird, in my case iBGP was needed in order to transfer user routes from several access servers to a NAT server. As access servers, I configured Accel-ppp (ipoe) and JuniperMX, they all worked simultaneously and balanced users by making an artificial DHCPOFFER delay.
Continue reading “How to set up iBGP in Bird”Alarm LASER_ALWAYS_ON from OLT 0x03000000 port EPON0/X
Once I noticed in the BDCOM P3608-2TE logs:
Continue reading “Alarm LASER_ALWAYS_ON from OLT 0x03000000 port EPON0/X”How to disable conntrack on Linux
I will give an example of disabling the conntrack module, for example, I will take the Ubuntu operating system.
Continue reading “How to disable conntrack on Linux”Configuring Juniper QFX5100
For example, I will configure the Juniper QFX5100-24Q-AFO switch.
Continue reading “Configuring Juniper QFX5100”linkFlapErrDisabled on Cisco Nexus
I once noticed that the port is periodically disconnected on the Cisco Nexus N3K-C3064PQ-10GX switch, there are a lot of records in the logs that the link was falling and rising, I looked at the status of the port:
Continue reading “linkFlapErrDisabled on Cisco Nexus”