MFA System
Unser Verein hat ein MFA System gespendet bekommen. Bin mal gespannt was man damit alles machen kann.uer mehr infos einfach mal auf Wikipedia gucken : https://de.wikipedia.org/wiki/Mikrocomputer_f%C3%BCr_Ausbildung
Tags: bytebarn, mfa, 8085, vintage
Ping all Ip’s in a Subnet
bash: for i in $(seq 1 254); do ping -c1 -t 1 192.168.11.$i; done
namp:
nmap -n -sP 10.0.0.0/24
Tags: bash, cli, ping, nmap
How to delete /var/log/journal
Yes you can delete everything inside of /var/log/journal/* but do not delete the directory itself. You can also query journalctl to find out how much disk space it’s consuming:
$ journalctl –disk-usage Journals take up 3.8G on disk. You can control the size of this directory using this parameter in your /etc/systemd/journald.conf:
SystemMaxUse=50M You can force a log rotation:
$ sudo systemctl kill –kill-who=main –signal=SIGUSR2 systemd-journald.service NOTE: You might need to restart the logging service to force a log rotation, if the above signaling method does not do it. You can restart the service like so:
Change Prometheus Interface
On some Boxes i have Prometheus listen on IPv6 and i also only want to use the Internal IP Addresses.
[Service] Environment=ARGS=–web.listen-address=x.x.x.x:9101
Tags: monitoring, prometheus
docker cheatsheet
docker version – zeigt die version an
docker search – sucht
docker pull – holt sich den container
docker run CONTAINER PROGRAMM – startet PROGRAMM in CONTAINER
docker run learn/tutorial apt-get install -y ping
First use docker ps -l to find the ID of the container you created by installing ping.
docker commit 698 learn/ping
docker run learn/ping ping google.com
docker inspect efe
docker images
docker push
docker push learn/ping