Vyacheslav

TP-Link TL-WR741ND Firmware Update

For example, I will use the TP-Link TL-WR741ND v4 wireless router with firmware 3.13.2 Build 130618.

Monitoring current RX and TX network interface buffers in Zabbix

One day after restarting the Ubuntu server, due to the long start of a large number of network interfaces, my script which increased the values of the buffers and also performed other settings was performed ahead of time, respectively, the changes did not apply and I found out about this problem only after 24 hours, so I decided monitor current RX and TX buffers.

Add ONT via Huawei iManager U2000 (second option)

I will give an example of adding ONT via Huawei iManager U2000.
This option is more convenient.

How to add ONT via Huawei iManager U2000

I will give an example of adding ONT via Huawei iManager U2000.

Firmware Update ASUS DSL-N12U

For example, I will update the firmware on the ASUS DSL-N12U modem revision B1, from version 1.0.5.1 to 1.0.5.2.

Solution of the warning “database /etc/aliases.db is older than source file /etc/aliases”

I noticed once on one of the servers in the files /var/log/mail.log and /var/log/syslog the following warning:

Why service networking restart or /etc/init.d/networking restart does not work

For example, take the server with the operating system Ubuntu Server 14.04, in which let’s say we changed the network settings when executing the commands:

Restricting access to cPanel by IP

In cPanel, you can enable question control for unknown IP addresses.
After entering the correct username and password, 4 questions will be asked.

Install and configure tftpd-hpa

I will give an example of installing a tftpd server tftpd-hpa.

D-Link DGS-3120 Firmware Update

On the test I will use the D-Link DGS-3120 rev.A1 switch with Boot PROM V.2.00.003 and firmware 3.00.B026.