On the test, I will update the firmware of the D-Link DSL-2640NRU modem from version 1.0.0 to 1.0.32.
Continue reading “D-Link DSL-2640NRU firmware upgrade”Author Archives: Vyacheslav
How to change “open files” in Linux
I will give an example of viewing and increasing the value of “open files” in Linux.
Continue reading “How to change “open files” in Linux”Solution “Port is not compatible with aggregators in channel 1 and cannot attach to them”
Once on Cisco Catalyst 6509-E, when I collected an aggregation of three ports, traffic began to go through only two ports and a message appeared in the logs:
Continue reading “Solution “Port is not compatible with aggregators in channel 1 and cannot attach to them””Moving ABillS to another server
On the test I will transfer the ABillS billing system from one server to another.
Continue reading “Moving ABillS to another server”Configuring L4-Redirect-ipset for Accel-ipoe and ABillS
In order to authorize clients with a negative balance Accel-ppp to add IP addresses to the ipset list, add the following to its configuration, in the ipoe section:
Continue reading “Configuring L4-Redirect-ipset for Accel-ipoe and ABillS”Solution «TX driver issue detected, PF reset issued»
Once on one high-load access server with about 5 Gb/s traffic in /var/log/syslog, errors began to appear frequently:
Continue reading “Solution «TX driver issue detected, PF reset issued»”Access-Control-Allow-Origin (CORS)
CORS (resource sharing between different sources) is browser technology that allows a web page to access resources from another domain.
To enable CORS in Apache2, you must first activate the headers module, in Ubuntu Server, you can do this with the command:
Continue reading “Access-Control-Allow-Origin (CORS)”TRENDnet TEW-651BR firmware update
For example, I will use TRENDnet TEW-651BR with firmware 2.00nb03.
Continue reading “TRENDnet TEW-651BR firmware update”D-Link DIR-400 Firmware Update
D-Link DIR-400 is a rather old router model.
I will describe the steps in steps:
Continue reading “D-Link DIR-400 Firmware Update”Changing query_cache_type in MySQL
query_cache_type – this parameter enables or disables the operation of MySQL Query Cache.
Continue reading “Changing query_cache_type in MySQL”