Note book to help you and me remember some tricks

Month July 2022

Python ImportError: No module named Tkinter for python source compiled

You can find a lot about this error on internet, but most often they are the simplest answers using package manager to install the missing module. But it’s not always the solution. Firstly, why do you need tkinter? Do you… Continue Reading →

Developers should always encode url

Recently my software experience helped me to point where was the problem with a php source code given by developers. Developers thought the problem was a sysadmin misconfiguration with the miss php libraries or something like this because with their… Continue Reading →

OCI (Oracle Cloud Infrastructure) 2022, extends the size of your block storage and apply it to your partition on Linux

The following examples treat the case of a traditionnal partitionning. If you use Logical Volume Manager (LVM) it will be as easy than this but I’ll describe it in an another post. First, extend your block storage In OCI dashboard,… Continue Reading →

Linux standard partitioning is good, but Logical Volume Manager also known as LVM is better

In this post I’ll just summurize all the advantages of LVM over traditionnal partionning. LVM add a logical layer that allows all these advantages: You can combine different physical disks in the same volume group, and create a partition over… Continue Reading →

setroubleshoot[xxxx]: failed to retrieve rpm info for /etc/certs/yourdomain.com.crt or for /etc/certs/yourdomain.key

When installing your new SSL certificate, after reloading or restarting apache you’re facing “failed to retrieve rpm info”? Don’t panik, it’s just SELinux that is playing with you. First, install policycoreutils-gui in order to have a more explicit error message… Continue Reading →

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