Bug Report – Problem no “Login” Dialog: Today i upgraded SUCCESSFUL my Mailserver with Group Office Community Edtion BUT: Technical Setup: Version: 25.0.80 PHP8.2 incl. all needed Modules Apache24 Mariadb10 Redis Memcached php_fpm System Log Echos: no Errors on Log no Debug Info if Debug switched on Group Office nothing.. to view All System stuff […]
Category: Webserver
Linux IPFS two node Setup with Mirroring (Easy Setup)
If you want to Mirror your Personal Files over the Internet to two or more Decentral Nodes (perhaps Private), you can do it with the well known Internet Planetary Filesystem called IPFS. The major problem was in History to SYNC the Nodes hourly by Cronjob. The very easy fast way is to Setup kubo-go-ipfs from […]
WordPress Gutenberg Editor fails on mod_security2 mod_evasive
If you use modsecurity2 Plugin Filter on a Apache2 / Apache24 Setup then on my Blogs Gutenberg fails to SAVE Pages and Drafts. Update 12-2025 : Hardening with mod_security2 and mod_evasive must be customized for the WordPress Block Editor called Gutenberg! Workaround: Install the old but useful “Classic Editor Plugin” and replace Gutenberg for all […]
Webserver Port 80 open or close
If you hold a website and use SSL/HTTPS with Certificates theres is often the question should i block Port 80? The most Admins think after the Major Changes of the Browsers to pull first HTTPS Port 443 they can close the HTTP Port 80. But you should NOT do it! Why? most Bots scan at […]
Script DNS Blocker DNSMASQ
If you tested pihole, you perhaps look for a smaller Command Line version? Install dnsmasq by: sudo apt-get install dnsmasq Here DNS Rule Injector Script (copy & paste): blocker.sh # www.linuxonlinehelp.eu 2019 # DNS Blocker for Small Linux with dnsmasq # #!/bin/bash # goto tmp (tmpfs) cd /tmp/ # get URL-Blocklists wget -O blocklist.txt https://v.firebog.net/hosts/Kowabit.txt […]
Convert WordPress Blog into Static Websites
For some reasons you want to convert your WordPress with Linux Tools into a Static Website: low level Hosting no SQL + PHP for higher Security Then open a Terminal and enter into a Text Editor: nano wp2statis.sh: #!/bin/bash wget \ –recursive \ –no-clobber \ –page-requisites \ –html-extension \ –convert-links \ –restrict-file-names=windows $url-of-site exit 0 […]
Website Speed Test with Linux
If you own a Blog and want to check the Speed with your local Linux Computer use a commandline tool called curl. Open a Terminal and enter: curl -o /dev/null -s -w ‘Connect: %{time_connect}\nStart Transfer: %{time_starttransfer}\nTotal: %{time_total}\n’ https://www.yourdomain.de System Echos: Connect: 0,084774 Start Transfer: 0,173280 Total: 0,228651 Advantage? You will see the Website Load […]
WordPress Speed Test Optimization
If you use WordPress and you want to get better results on search engines and social media checkout: Load Speed at Google free Speed Analyser for Developer https://developers.google.com/speed/pagespeed/insights/ Reduce and Control the Plugins Reduce and Control Images at Content and Image Sizes 50-100 kb Limits Use latest PHP Version if possible 7.3 Use cached MySQL […]
WordPress Bug Backdoor delete Files
Current a Major Bug is published up to WordPress lastest Release 4.9.6! The real Nonsense is that the WordPress Core Team did know it since Nov. 2017 !! And changes NOTHING! More Details here reported and a public review here
Backup daily WordPress Drupal Script
If you use Drupal or WordPress and you have a virtual Server with SSH Login you should set up a daily Backup Script to have a Snapshot of your Blogs if Hackers insert SQL Code Injections or hack PHP Sites. Cause you cant NEVER know every EXPLOIT of every used Plugin (here less plugins is […]