Before Connecting Hard Drive First of all, we must know how is the structure of CentOS 7 before the installation of the new hardware, for this we…
Linux cheat sheet
Before Connecting Hard Drive First of all, we must know how is the structure of CentOS 7 before the installation of the new hardware, for this we…
On Linux you can use dd to make a backup from SD card. Reverse if and of (i.e. to where they point – source and destination) afterwards to restore, but…
Installing Samba As with many of these tutorials, the examples provided will start with an install, firstly adding the software that the service needs. At…
Prerequisites To recover your root MySQL/MariaDB password, you will need: Access to the Linux server running MySQL or MariaDB with a sudo user. Step 1…
Let’s assume that you already installed fail2ban, you can check here how to do that: – https://ep.gnt.md/index.php/how-to-setup-fail2ban-on-centos/ We need to copy this to a file called jail.local for…
You have 2 CentOS machines. 1st is some important server with data and running services, 2nd is CLEAR CentOS. To make clone process more efficient and…
If you get curl error “(60) peer’s certificate issuer is not recognized” while trying to curl something from another server, it means that your server does…
If you getting Nextcloud integrity check fail or internal server error try the solution below. This error usually appears after version upgrade. sudo -u www-data php…
Introduction to Fail2Ban By default, a client connects to SSH using port 22. Because this is a well-known port, the default configuration is vulnerable to…
Before we start we’ll make sure that we have the latest packages from the apt repository available to us, we’ll run this command… sudo apt-get…