A kubectl is an official Kubernetes command-line tool, used to run commands on Kubernetes clusters. As the kubectl is distributed as a standalone binary it can be easily downloaded from official sources and installed on any Linux system, including Ubuntu. In this post I will show you how to download and install the latest stable […]
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Gmail: Reply With Attachment
When you “Reply” or “Replay to all” in Gmail to an email with attachments, by default, these attachments are not included automatically in the reply like they are during email forwarding. To include the original email attachments in the reply you can click on “Forward” and then type in all recipients back, but this is […]
MikroTik: WPS Button – Where & How To Push?
WiFi Protected Setup (WPS) feature lets to connect WiFi devices (e.g. wireless printers) to a router’s secure WiFi network without selecting a network name (SSID) and entering a password. Wireless MikroTik routers support the WPS feature and are supplied with either physical or virtual WPS button. This short note shows how to find and push […]
Raspberry Pi: No Sound – HDMI | Bluetooth | Audio Jack
If your Raspberry Pi sound has suddenly stopped working through HDMI, bluetooth or audio jack after an update, this could be caused by the PulseAudio package that is generally not stable on Raspberry Pi OS (ex. Raspbian). To fix the issue with the non-working sound on the Raspberry Pi you can try to uninstall the […]
Transmission: Missing “Choose Files” Button on Mobile UI
There is an issue with displaying of a “Choose Files” button on a mobile web interface in some versions of a Transmission client. If you open the Transmission web interface from a desktop, you will be able to see the “Choose Files” button used for uploading .torrent files, but if you open it from a […]
IPTables: Reset Counters
iptables counts packets and bytes of all network traffic that passes through it. To list the packet and byte counters, execute the iptables -L command with the -v option. By default, the iptables counters are reset after a system reboot, but you can also reset them manually using the -Z option and this note shows […]
Transmission Daemon: Access GUI by Domain Name
If you try to access a headless Transmission daemon’s GUI by a domain name or server’s hostname, i.e. http://<domainName>:9091/transmission/web/, by default you will receive the error as follows: Connection Failed Could not connect to the server. You may need to reload the page to reconnect. At the same time, you may still be able to […]
MikroTik: DNS over HTTPS (DoH) Server | CloudFlare
Starting from RouterOS version v6.47, it is possible to use DNS over HTTPS (DoH) on MikroTik devices. With DoH, DNS queries and responses are encrypted within the HTTPS protocol session and are sent over port 443 (just like the normal HTTPS web traffic), that hides the name resolution requests from an Internet Service Provider (ISP) […]
MikroTik: DNS Servers Setup
Usually an Internet Service Provider (ISP) automatically provides its own Domain Name System (DNS) servers to its users. However, in some cases it may be required to use a private or public DNS servers. A MikroTik can be configured to use different DNS servers than those provided by your ISP by default. This note shows […]
MikroTik: Static DNS Entry
A MikroTik router has a basic Domain Name System (DNS) server that allows to create static DNS entries. This feature allows you to add your own entries to the MikroTik’s DNS server, which will be returned on requests with a higher priority. This can be useful if, for example, you want to access some of […]