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Author Archives: Vyacheslav

Configuring FTPS in ProFTPd

I will give an example of configuring FTPS in ProFTP, and prohibit simple connections without encryption.

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Posted byVyacheslav16.01.202116.01.2021Posted inLinuxTags: FTP, SSLLeave a comment on Configuring FTPS in ProFTPd

Netis WF2411E Firmware Update

As an example, I will take a Netis WF2411E router with the firmware version 2.4.41346 installed and update it.

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Posted byVyacheslav09.01.2021Posted inNetisLeave a comment on Netis WF2411E Firmware Update

Firmware Update HP 544+QSFP (764284-B21) Mellanox ConnectX-3 Pro EN

I once updated the driver for the Mellanox ConnectX-3 Pro EN / HP 544+ QSFP (764284-B21) network adapter and decided to update the firmware at the same time.

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Posted byVyacheslav06.01.2021Posted inLinux, MellanoxLeave a comment on Firmware Update HP 544+QSFP (764284-B21) Mellanox ConnectX-3 Pro EN

How to update the Mellanox ConnectX driver

For example, I will update the driver for the Mellanox ConnectX-3 Pro EN / HP 544+ QSFP (764284-B21) network adapter that I installed in the HPE DL380 Gen10 server with Ubuntu Server 18.04.

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Posted byVyacheslav06.01.202106.01.2021Posted inLinux, MellanoxLeave a comment on How to update the Mellanox ConnectX driver

How to disable advertising messages from Kyivstar

Once I got tired of receiving advertising SMS messages from Kyivstar, and since there is no information on how to manually disable them on the official website kyivstar.ua, I wrote to technical support in the chat:

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Posted byVyacheslav06.01.2021Posted inOtherLeave a comment on How to disable advertising messages from Kyivstar

The story about how Lifecell and Vodafone mocked the client

Once SMS was no longer delivered from one Lifecell number to all Vodafone numbers, while SMS was delivered to numbers of other mobile operators successfully.

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Posted byVyacheslav06.01.202106.01.2021Posted inNews, OtherLeave a comment on The story about how Lifecell and Vodafone mocked the client

Eaton UPS SNMP OIDs and MIBs

Once we installed an Eaton 9PX8KiPM rev01 + 9PXEBM240 rev02 UPS with a network card (Network MS) in one company, so I decided to write my template in Zabbix and, accordingly, I will post the SNMP OIDs that I used here.

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Posted byVyacheslav03.01.202105.01.2021Posted inHardwareLeave a comment on Eaton UPS SNMP OIDs and MIBs

Replacing a word in Linux files

Once, when replacing the network adapter in the server, I needed to change its old name in the netplan configuration, that is, replace several hundred words in the file, so I came up with the command:

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Posted byVyacheslav24.12.2020Posted inLinuxTags: find, grep, vimLeave a comment on Replacing a word in Linux files

Solution “mod_auth_file/1.0: unable to use world-readable AuthUserFile /etc/proftpd/ftpd.passwd”

Once when running proftpd with configured users in a file, I noticed the following error:

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Posted byVyacheslav24.12.202024.12.2020Posted inLinuxTags: FTPLeave a comment on Solution “mod_auth_file/1.0: unable to use world-readable AuthUserFile /etc/proftpd/ftpd.passwd”

LACP Link Aggregation on Cisco Nexus 3064

I will give an example of configuring LAG (LACP) on a Cisco Nexus 3064.

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Posted byVyacheslav18.12.2020Posted inCiscoTags: link aggregation, PerformanceLeave a comment on LACP Link Aggregation on Cisco Nexus 3064

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