Let’s say there is no default route on Juniper MX, or it is not suitable, or client traffic needs to be sent to different NAT servers, in this article I will describe how to do this.
Continue reading “Juniper MX. How to send client traffic to a NAT server”How to change gateway in Linux
Once I needed to change the default gateway on different servers without restarting the network service or rebooting the server, I will give examples of how I did this.
Continue reading “How to change gateway in Linux”Monitoring Linux directory size in Zabbix
One day I needed to monitor the size of a directory in Zabbix and create a trigger so that Zabbix would notify when the directory size increases.
Continue reading “Monitoring Linux directory size in Zabbix”How to add a blackhole route in Netplan
I will give an example of setting up blackhole routes in Netplan.
Continue reading “How to add a blackhole route in Netplan”How to disable a port on Juniper
I will give an example of disabling/enabling a port on Juniper devices.
Continue reading “How to disable a port on Juniper”Setting up Firewall in Proxmox
I will give an example of enabling and configuring the Firewall in Proxmox. By default, the Firewall is disabled and there are open ports, for example: SSH, 111, 3128, 8006.
Continue reading “Setting up Firewall in Proxmox”How I moved the Windows bootloader to another drive
I once noticed on one computer that if you disconnect drive D, Windows 10 does not start; as it turned out, during the installation of Windows, the bootloader was not installed on drive C. Therefore, I connected drive D back to the computer, started Windows and wrote the bootloader to the disk C.
Continue reading “How I moved the Windows bootloader to another drive”Setting up ETP48100-B1 with Huawei MA5800
For example, I will connect the ETP48100-B1 power supply to the Huawei MA5800.
The kit included a regular ethernet patch cord with a standard pinout. I connected one side to the ESC port on the Huawei MA5800, and the other to the COM_OUT port on the ETP48100-B1.
How to set up Huawei MA5800
For example, I’ll configure the Huawei MA5800-X15; in fact, the configuration will be similar to the old OLT MA5600.
Continue reading “How to set up Huawei MA5800”How to restrict access to the Proxmox WEB interface
I will give an example of restricting access to the Proxmox web interface on port 8006.
Continue reading “How to restrict access to the Proxmox WEB interface”