From time to time, my Thinkpad T460s starts without working WiFi. Like the WiFi card doesn’t exist. Since I was always in a rush, the easiest solution was to reboot …
Category: Tips & Tricks
Deprecated TLS and ERR_SSL_VERSION_OR_CIPHER_MISMATCH error
If you maintain an old telco devices which don’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 …
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 …
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 …
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 …
Simple pushtogit script
Create new file and add the next lines inside (for example pushtogit.sh) #!/bin/bash echo " ====================== running command from" $PWD cd $PWD git add . echo -n " ====================== …
rsync tutorial
Rsync is a command-line utility commonly used to copy files and folders from one location to another while preserving file attributes (permissions, ownership). In other words, it is used to …
There is no suitable CSPRNG installed on your system
Some PHP packages may stop working after update with error message: “There is no suitable CSPRNG installed on your system”. The reason for this that they stopped using OpenSSL and …