Category: Administrator Linux
-
Fail2ban – how to unbanip on your sshd
IP address unban Fail2Ban is an intrusion prevention system that protects computer servers from brute-force attacks. It can monitor specific logs and block IP addresses that act like brute-force attacks. Fail2Ban particularly monitors the number of connection attempts. After 5 failed SSH connection attempts, Fail2Ban will ban the IP address from connecting via SSH for…
-
Backup and Restore with Docker Compose
All of my data is on folder drive mounts that where our data is to make backup and restore operations easier. Stopping your stack with docker-compose down will allow you to back up all the files and subfolders in the folder next to the docker-compose.yml file. For example, if you want to create a ZIP…
-
How to Install Immich(v1.99.0) on Docker Portainer with Nginx Proxy Manager
This document presents Docker compose version 3.8 for Immich Latest (1.99.0). I just changed the volume to the correct path because I want them to save in our large storage data and permission user so that any users can’t see our file except root. I added networks because they’re going to be proxied by Nginx…
-
Nextcloud: Server has no maintenance window start time configured. Error.
Nextcloud Version: 28.0.3 There’s a link in the warning message to the documentation Nextcloud Documentation:https://docs.nextcloud.com/server/28/go.php?to=admin-background-jobs
-
Mailcow : renew Certification with nginx proxy manager
Make a file called “scriptmailssl.sh” and open the nano file editor. Paste these codes and save it! Add a cronjob every month. It’s going to do the job for you every month.
-
Nextcloud 28.03 : annoy error message: 4 errors in the logs since… on Portainer
Delete Nextcoud.log to fix the error, but it will come back again and make sure you fix the error, so it won’t pop up again. This is similar to the engine light. After deleting the logs, Checks have now passed.
-
Nextcloud After Update and get this Error Message. I am Use Portainer, Docker.
This is how to fix our Nextcloud after Update, we got error message about missing some indexes. Here is solutions:
-
SSH – Make Sure Our Server Is Secure And Create A Key For SSH.
If you are looking to remote your server from home, you can, but you cannot simply install OpenSSH with a password, which is very insecure. I strongly recommend using type Ed25519 ssh, which is the most secure and fast access to ssh. I recommend checking out this website. Follow the instructions on the red hat…
-
Network Experience
I must label every port to facilitate the troubleshooting process for both the Owner and IT team. I can make an Ethernet cable and coax and phone lines.
-
My DNS, both Primary and Secondary, got into DNS amplification attacks.
This attack trigger was found on October 16, 2023, when I received an email that my server was nearly full. This is not a typical occurrence. Therefore, I discovered that my AdGuard Home DNS Server had been compromised, and that a significant number of IP addresses exceeding 20K were targeted specifically in Brazil, Latin, two…