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”LG TV browser cursor moves slowly
One day I noticed that the cursor was moving very slowly in the browser on the LG 43UK630PBL TV.
Continue reading “LG TV browser cursor moves slowly”Port forwarding in iptables on NAT server
Once I needed to forward a port to a VPN server that had a gray IP address and was behind NAT.
Continue reading “Port forwarding in iptables on NAT server”Connecting Tewaycell LiFePO4 batteries to inverters
One day I needed to configure 51.2V 300AH batteries from Tewaycell with PACE BMS so that they could synchronize with SRNE HSI 5kW inverter.
Continue reading “Connecting Tewaycell LiFePO4 batteries to inverters”Zabbix-server process does not terminate
Once I updated Ubuntu server and Zabbix-server by running apt update, apt upgrade, after the update was complete I agreed to restart all updated services, but Zabbix-server continued to be running for 20 minutes and did not restart.
Continue reading “Zabbix-server process does not terminate”Setting up an OpenVPN server on MikroTik
One day some mobile operators started blocking ports to L2TP servers, so I set up a more secure OpenVPN server on MikroTik.
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