Vyacheslav

NextCloud. Background jobs via cron

I will give an example of configuring the execution of NextCloud background jobs via Cron, which will work stably in contrast to AJAX background jobs.

Solution: Specified key was too long; max key length is 767 bytes

Once on Ubuntu Server 18.04 I upgraded Zabbix 4.4 to 5.0 and found an error in the logs during the upgrade:

Terra Link

Version: 1.70
File size: 3.7 Mb
Official website: www.terraelectronics.com

Firmware for PBI DMM-1400P

Version: 14PR006D (32 IP)
File size: 3.2 MB
Download firmware 14PR006D for PBI 1400P-S2 32 channels
https://files.ixnfo.com/Firmware/PBI/14PR006D-DMM-1400P-32IP-S2.rar

Testing a DHCP server with dhcpperf

dhcpperf is a DHCP load testing tool.

Installing FRRouting on Ubuntu 18.04

For example, I will install FRRouting on Ubuntu 18.04

How to change innodb_flush_method in MySQL

innodb_flush_method defines the method for flushing data from RAM to disk.

High CPU load on Cisco Nexus 3064

Once I discovered on the graphs a large burst of Multicast packets on one of the ports of the Cisco Nexus 3064 switch, while the CPU load increased to 30%, before that it was 12% with L2 traffic of 13 Gbit/s.

Migrating MySQL Directory

Once I created a raid, mounted it as a disk system partition and transferred the MySQL directory directly to it, but in this case there were drawbacks, the lost+found directory could appear, it could not be used for other data, etc., after that I began to transfer the MySQL directory not directly to the partition, but created a directory on it and transferred it to it.

How to update BIOS U30 on HPE DL380 Gen10

For example, I will update the BIOS U30 on the HPE ProLiant DL380 Gen10 server.