Vyacheslav

Configuring DHCP Relay on Cisco Nexus 3064

For example, I will configure DHCPv4 Relay on Cisco N3K-C3064PQ-10GX. Initially, I configured this switch for L2, but some VLANs had to be configured as L3 and DHCPv4 Relay enabled.

Configuring Cisco N3K-C3064PQ-10GX

For example, I will configure the Cisco Nexus N3K-C3064PQ-10GX switch.

How to delete a profile on Odnoklassniki

To remove a page (profile) from the odnoklassniki.ru (ok.ru) social network, you must:

How to disable “New release available” email notifications on Ubuntu

Once I noticed that new servers running Ubuntu Server 18.04 operating systems periodically send email notifications:

Cisco Nexus 3064 Backup Script

I will give an example of a script for backing up the configuration of a Cisco Nexus 3064 and the like.

Configuring Jumbo Frame on Cisco Nexus 3064

I will give an example of increasing the MTU to 9216 bytes globally (for a specific interface it is impossible):

Solution Syntax error on line 80 of /etc/apache2/apache2.conf: DefaultRuntimeDir must be a valid directory, absolute or relative to ServerRoot

Once I wanted to see which MPM module is being used and executed the command:

Installing and using Duplicity

In this article, I will provide an example of how to install and use Duplicity. Creation of full and incremental backups to local and remote servers.

TP-Link TL-WR820N Firmware Update

For example, I will update the firmware in the TP-Link TL-WR820N router.

ABillS. Problem with payments between 00:00 and 01:00

In 2018, I ran into a problem when the user ran out of money on the account, at midnight he turned off the billing, the user immediately made a payment, the money was debited and the service turned on, and at 1 am it was turned off again, because the billing system tried to withdraw the monthly fee again. I’ll just post a simple script here that allows you to receive email notifications with a list of users who made a payment at night between 00:00 and 01:01, so that later you can manually correct it.