Retro Computing

I gutted a 1975 Zenith Blackstripe television and stuffed a flatscreen monitor into it so I could show off games I made on it (you can see a Lubuntu shutdown screen here). — Ranibow Sprimkle Baker (@destroyed4com4t) January 20, […]

iphone ipad – change Relocate backup location

On computers with SSD system drives any iOS device backups can take up a significant proportion of the available space. iTunes doesn’t provide a mechanism for choosing where this backup data is stored, but it can be relocated onto another […]


visit via browser: or from bash: curl { „ip“: „“, „hostname“: „“, „city“: „City“, „region“: „Region“, „country“: „DE“, „loc“: „49.XXXX,10.XXXX“, „postal“: „12345“, „org“: „Hetzner Online GmbH“


list all jails fail2ban-client status Status |- Number of jail: 1 `- Jail list: sshd get status: /scripts/ echo „===== fail2ban status =====“ JAILS=`fail2ban-client status | grep „Jail list“ | sed -E ’s/^[^:]+:[ \t]+//‘ | sed ’s/,//g’` for JAIL in […]

debian and cups rename printer

if you print from a laptop at home at at office, and it happens you have the same printer model here and there, you might to want to distinguish between them by name. # become root sudo bash # backup […]

HardKernel new Odroid H2 powerfull embedded x86 with dual SATA

… question is, can it run Debian only with free drivers? 😉 2x SATA = RAID1 = GREAT FOR NAS! ODROID-H2 Key Features Intel Quad-core processor J4105 (14nm) with 4MiB Cache, up to 2.5Ghz(Single Thread) or 2.3Ghz(Multi Thread) Dual-channel […]

EU and IMF want to regulate BitCoins

Update: „An entrepreneur and virtual currency investor is suing AT&T for $224 million, claiming the wireless provider was negligent when it failed to prevent thieves from hijacking his mobile account and stealing millions of dollars in cryptocurrencies. Increasingly frequent, high-profile […]

Problems with Mars missions: Radiation, Solar Flares, Meteoroids and Dust Storms

Problems with Mars missions: Radiation, Solar Flares, Meteoroids and Dust Storms „it receives occasional lethal blasts that occur with strong solar flares“ (src) Maybe an „Underground“ Mars colony would be good to shield against deadly radiation? src: Radiation: “The […]

How to generate Energy on Mars – a Mars Turbine

All 3 years you will have a major Dust storm on Mars that lasts for weeks or months and reduces sunlight to 10% making solar energy almost worthless in this time. While – of course – good batteries (that can […]

Water Ice found in crater on Mars

due to the lack of magnetic field solar radiation is said to have nocked away most of Mars‘ water… (every drop of water instantly either freezes or vaporates) – there seems to be „enough“ water in frozen form that just […]


Thanks! thanks to all the contributors of open source soft- and hardware and people that share their knowledge online for free 🙂 i hope/think that better technology could possibly also change humans to the better… freely sharing information surely does […]

backdoors in hardware – Intel Anti Theft Brick Code

While „backdoors“ in hardware sound like a good idea… you don’t know how hackers are using it to sabotage infrastructure or extort bitcoins of another country’s companies… see „backdoor in cisco router„. IT IS F**** DANGEROUS! ESPECIALLY if it is […]

linux bash script – test if host is alive – internet connection test script – uptime test script

tested with: tested with/on: Static hostname: CentOS1.localdomain Operating System: CentOS Linux 7 (Core) Kernel: Linux 4.15.9 Architecture: x86-64 bash -version GNU bash, version 4.2.46(2)-release (x86_64-redhat-linux-gnu) ping -V ping utility, iputils-s20160308 usage: /scripts/ cat /scripts/ #!/bin/bash # ping -c […]

Intel BMC Java JViewer KVM Remote Control with Linux and Intel Mainboard S2600CWR

(IPMI) IPMI is a series of specifications that provide standardized interfaces to the so-called “platform management” services. (src) ((BMC) Baseboard Management Controller) allows you to see the screen of your server via a simple java enhanced webbrowser – […]