If you maintain an old telco devices which doesn’t support TLS 1.2 or 1.3, you probably won’t be able to do it until you enable deprecated TLS. For Firefox: in …
Author: ServerAdmin
ThinkPad P16s and ThinkPad Thunderbolt Dock in boot loop
For some (masochistic) reasons, I’m tied to the Thinkpad laptops. A few months ago, I bought a new Thinkpad P16s, and the “thing” is great. Kind of loud, but the …
Mint 21 – wrong mouse theme
The default theme for the mouse pointer in Linux Mint 21.1 is Bibata Modern Classic and I don’t like it. No problem. It can be easily replaced with another one …
Simple PHP CURL method
Here is a simple PHP method for consuming a different APIs As you can see, the method supports cookies, XML requests, basic HTTP Auth, etc…. Leave a comment if you …
The repository does not have a Release file – pgAdmin4 on Mint Linux
If you’re using Ubuntu based distro and you’re trying to install pgAdmin4 from the official site (https://www.pgadmin.org/download/pgadmin-4-apt/) do not just blindly copy and paste commands. One of them will add …
Nothing provides perl(IPC::Run) needed by…
I wanted to update Postgresql 13 on my Rocky8 test server Simple dnf update postgresql13dnf update postgresql13 leaded to the next error Problem 1: cannot install the best update candidate …
Debian server – Setting a Default Gateway
To set up or change default gateway, you can use ip command, route command or you can manually edit /etc/network/interfaces file. Option 1: ip command ip route add default via …
How to upload an ISO image to the Proxmox server using the terminal
ISO images can be easily uploaded via web interface but if you still want to do it “old way”, the directory where Proxmox stores ISO images is /var/lib/vz/template/iso/var/lib/vz/template/iso You can …
How to check the DNS server IP being used (Ubuntu 18.04+)
If you’re using Ubuntu 18.04+ (or distro based on Ubuntu 18.04) and you would like to know which DNS servers are responsible for your connection, you can try the next …
Email alert for SSH logins
It is good idea to get notified when someone logs into your Linux server. First be sure that your server is able to send email (at least Postfix + valid …