Apache2 evasive Problems with WordPress

If you use Apache2 / Apache24 and anti-hammering tools like the Modul evasive and security2 as addon fail2ban than you can fail blogging. Problems: Apache2 Module “evasive” must be fine tuned for WordPress go /etc/apache2/ if you use default enabled auto-safe drafts of posts can let you look like a Attacker so disable auto save by wp-config set “define(‘AUTOSAVE_INTERVAL’, 86400);” !! on small systems redis and other cache technics can generate too additional hidden “posts” traffic to the Apache2 & SQL checkout the system by disable all security addons and fine tune settings, if ok enable them again.. try wordpress […]

Firefox Bug more than a Feature no Sound after Update

If you use firefox for hamradio like openwebrx or kiwisdr the Sound will die after a Update! That’s NO Driver or NO Linux or a WEBSDR Problem, The Problem is DISABLED AUDIO startup on Firefox Fix: Enter at the URL-BAR “about:config” search entry “media.autoplay.block-webaudio” to false Restart Firefox and be happy.. If you are a Security Nerd then use 2 Firefox Profiles for Web and different for SDR-Radio..

Major Tools for your IT Systems

A must “USE” in these insecure days: nmap Portscan Tool use nmap -PN IP-Address to check failed Firewall Settings! arp-scan  Network Scan to find active devices iftop to detect traffic and used Ports on a physical network Interface! ps aux  show active processes on a Linux System htop more human friendly Process Monitor iotop human friendly traffic monitor from CPU/RAM to Drives Daily check Error Logs! Use always Firewalls and Disk/File Encryption! Don’t trust Hardware Protection (TPM) Chips most do communicate by clean signals on copper which can be read out by hardware hacking or magnetic fields! NEVER leave Hardware […]

Reuse OLD PCs for IPFS File Cloud Blockchain

What is IPFS = Internet Planetary File System (peer-to peer) ? It’s a decentral sharing Ecosystem for Files on Blockchain Technology Why is it a current Hype? Cause it  overs many Solutions for saving files into the IPFS Blockchain Cloud with unchangeable Fingerprints by Blockchain Hashes. A Folder gets a fixed Hash Key on Uploading Data for Example: Linuxblog on IPFS worldwide accessible by: https://ipfs.io/ipfs/QmXuqCg7cmX9oxyX1LgWhu22TrHXxoKczL4ff8yJoxnwSG where the first part is the Data Gateway this can be changed to other public Gateways like: https://dweb.link/ipfs/  add here the Content Data Hash “QmXuqCg7cmX9oxyX1LgWhu22TrHXxoKczL4ff8yJoxnwSG” to (click the URL to Test): https://dweb.link/ipfs/QmXuqCg7cmX9oxyX1LgWhu22TrHXxoKczL4ff8yJoxnwSG if you upload or […]

Ubuntu Odroid Enable Boot Messages again

To see any VERY useful Kernel Boot Messages on Screen do: nano /media/boot/boot.ini then search line 9: setenv condev "console=ttyS0,115200n8" change to: setenv condev "console=ttyS0,115200n8 console=tty1" now enable Multi-User Console this disable graphic Lightdm Login Manager systemctl set-default multi-user.target Now you can debug all again.. be happy

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