As an example, I will configure ETP4860-B1A2 (SMU11B) with a 50A Lifepo4 battery.
Continue reading “Setting up ETP4860-B1A2 (SMU11B) with Lifepo4 battery”Author Archives: Vyacheslav
How to Configure Cisco C1121X-8P
Once I was asked to configure Cisco ISR C1121X-8P, this router model had only a MicroUSB console port, a regular cable was suitable for connection, a COM8 port appeared in the device manager, to which I was able to connect via putty at a speed of 9600.
Continue reading “How to Configure Cisco C1121X-8P”SNMP OID MIB for SMU11B ETP4860
One day I needed to research SNMP OID and write a Zabbix template for ETP4860-B1A2 (SMU11B).
Continue reading “SNMP OID MIB for SMU11B ETP4860”How to configure DH-IPC-HFW1431S1P-S4
For example, I will set up the Dahua DH-IPC-HFW1431S1P-S4 (2.8mm) 4MP IP camera.
Continue reading “How to configure DH-IPC-HFW1431S1P-S4”Installing GeoIP in Apache2
I was once asked to block some countries on a web server running Apache2 and Ubuntu Server 20.04.
Continue reading “Installing GeoIP in Apache2”FreeRadius log rotation
Once I installed FreeRadius from the source code, so I needed to make a log rotation script, since the log file sometimes grew to large sizes, for example, during technical work or development, a lot of debugging information could be written, during standard work, almost no logs were written.
Continue reading “FreeRadius log rotation”How to set up SRNE HSI 3000S inverter
As an example, I will set up an SRNE HSI 3000S inverter with a Lifepo4 battery and describe the parameters that I set up.
Continue reading “How to set up SRNE HSI 3000S inverter”Nginx. Using the map module
Once I needed to additionally keep a log of 404 requests in a separate file, with subsequent export via rsyslog to a mysql database and processing by scripts.
Continue reading “Nginx. Using the map module”How to add characters to the end of each line in Notepad++
One day I was editing HTML code and needed to add a br tag at the end of each line.
Continue reading “How to add characters to the end of each line in Notepad++”Deye SUN-12K Firmware Update and Alarm F29 Parralel_CANBus_Fault Solution
Once identical Deye SUN-12K inverters were connected in parallel and the alarm F29 Parralel_CANBus_Fault was displayed.
Continue reading “Deye SUN-12K Firmware Update and Alarm F29 Parralel_CANBus_Fault Solution”