retro computing: win95 win98 as virtualbox vm running on linux host
15.Jun.2019

tested on: Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 4.15.9 Architecture: x86-64 # using vboxmanage –version 5.2.6r120293 ah lovely isn’t it? BSOD Win98 style… errors were NOT the exception, they were THE NORM (and still […]

05.Jun.2019

WARNING! BE VERY VERY CAREFUL! YOU CAN DESTROY YOUR SYSTEM! so better use a system that is not production important/not a live server. use a laptop that has NOTHING ATTACHED TO IT! (unplug all USB Sticks and external USB Drives) […]

meteor comet caught on tape with sound crashing down over ocean Australia 00:20 ACST (19.05.2019 at 14:50 UT) – secret ocean inside earth
22.Mai.2019

„time is estimated at around 00:20 ACST (19.05.2019 at 14:50 UT)“ (src: imo.net) even with pretty good sound (GoPro Hero 3? :)… nope different model.) https://www.abc.net.au/news/2019-05-22/suspected-meteor-spotted-across-the-sky-in-south-australia/11136648 Large Weekend Asteroid over Australia – 19 May 2019   2013 over Russia: pretty […]

16.Mai.2019

changing port for vestacp backend will also change port for /phpmyadmin vim /usr/local/vesta/nginx/conf/nginx.conf # find this lines # Vhost server { listen 8083; <- change new port :wq # save and quit # restart vesta service vesta restart what you […]

15.Mai.2019

will do exactly that: last -F # -F Print full login and logout times and dates. # output will look like this # username (who logged in) ip (from which was logged in) duration of session username pts/0 123.123.123.123 Tue […]

vestacp disable backups
14.Mai.2019

backups can become rather huge. and if you have your own backup mechanism in place… you should: web mode: per package manual mode: per user # edit per user-file: vim /usr/local/vesta/data/users/admin/user.conf # Look for BACKUPS=“?“ # line to adjust how […]

linux bash – show all crontabs of all users
14.Mai.2019

cat /scripts/crontab_show_all.sh for user in $(cut -f1 -d: /etc/passwd); do echo $user; crontab -u $user -l; done outputs a nice list like this: in format: user command root no crontab for root actualuser * * * * * echo „stuff“ […]

a pretty good ipv6 introduction – ipv4 depletion
09.Mai.2019

IPv6: Introduction it’s the year 2019, roughly 14% of the web is running ipv6. you can watch real time statistics here: (i have no clue how accurate the data is, how they are generated) https://ipv6.he.net/v4ex/sidebar/? … but it seems there […]

3d standard evolving on the browser
02.Mai.2019

web3d awesome! you can walk here with cursor buttons and tilt up and down with mouse wheel: and even upload your own pictures:   http://www.spacegoo.com/tiananmen/# marbleous: But the website itself is pretty impressive: unfortunately the tux web flying simulator did […]

02.Mai.2019

dmidecode -t 17 # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. Handle 0x005D, DMI type 17, 34 bytes Memory Device Array Handle: 0x005E Error Information Handle: 0x0062 Total Width: 64 bits Data Width: 64 bits Size: 4096 […]

linux bash arrays example
09.Apr.2019

arrays are pretty useful variables that hold key:value data pairs, per default the „key“ is an integer number, BUT: as shown there can also be associative arrays, meaning the index can be any string (needs bash version4) this script demonstrates […]

08.Apr.2019

„the internet“ in Germany is so slow… once your start page has finished loading… you actually forgot what you were searching for. (it has become better in Munich) PS: If this site (http://mycpu.eu) loads slow – it is because the […]