Assume you got a fresh Machine with DHCP …
Ubuntu with DHCP Config cat /etc/netplan/01-netcfg.yaml # This is the network config written by 'subiquity' network: ethernets: ens192: dhcp4: true version: 2 and you’d like to switch to Static IP, ask google how todo it an give try:
Static IP with Netplan # This is the network config written by 'subiquity' network: version: 2 ethernets: ens192: addresses: - 1.2.3.4/24 gateway4: 1.1.1.1 nameservers: addresses: - 8.
If you ever wanna run a Multiplayer OWASP Juice Shop CTF on your own, here are some Notes and Info for bloody beginners
References https://github.com/iteratec/multi-juicer/ https://www.digitalocean.com/ https://kubernetes.io/de/docs/concepts/overview/what-is-kubernetes/ Prerequisite you’ve got
a Digital Ocean Account (or some other Cloud Provider) a spare domain and set the NS of DigitalOcean Digital Ocean CMD Line Tools installed and configured helm tools (kubernetes package manager -> brew install helm) some budget (~2 CHF/Day) 30min for Setup btw.
How to Process Large Files … ? Large is a variable Term, 700 GB is large for me, while it could be a small peace for others.
Assuming you need to count the lines … this simple Task can take minutes !
Size [user@host /tmp]$ du -sh bigfile 745G bigfile Wordcount -> 10 min if you need to count the lines, use the wordcount command and you get the exact number … but you have to wait for minutes, depending in your disk subsystem and the file size of course
How to Kickstart a Ubuntu Installation … edit dhcpd.conf host ubuntu { hardware ethernet 4E:E5:80:xx:xx:xx; fixed-address x.x.x.x; filename "ubuntu/pxelinux.0"; next-server x.x.x.200; } restart dhcpd
prepare env on tftp server (x.x.x.200) mkdir -p /tftpboot/ubuntu/ cd /tftpboot/ubuntu/ ftp http://archive.ubuntu.com/ubuntu/dists/bionic-updates/main/installer-amd64/current/images/netboot/netboot.tar.gz tar xfz netboot.tar.gz kickstart cfg put the following file in a webroot available from the client machine
cat <<'EOF' > /var/www/htdocs/ks.cfg #Generated by Kickstart Configurator #platform=AMD64 or Intel EM64T #System language lang en_US #Language modules to install langsupport en_US #System keyboard keyboard ch #System mouse mouse #System timezone timezone Europe/Zurich #Root password (here 123456) rootpw --iscrypted $1$r6te7M.
How to configure a Vlan on Linux Mint ? Wiki
Install vlan sudo apt-get install vlan Configuration root@mint:~# sudo modprobe 8021q root@mint:~# ifconfig ens19: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.10.18.83 netmask 255.255.255.0 broadcast 10.10.18.255 inet6 2001:db8:1:2:9506:5fcd:1c61:1279 prefixlen 64 scopeid 0x0<global> inet6 2001:db8:1:2:a9:c50b:1348:1ec6 prefixlen 64 scopeid 0x0<global> inet6 2001:db8:1:2:e064:b0ec:a08f:7fd8 prefixlen 64 scopeid 0x0<global> inet6 2001:db8:1:2:a015:7ec:eef0:1a75 prefixlen 64 scopeid 0x0<global> inet6 2001:db8:1:2:a028:b890:ffe8:5231 prefixlen 64 scopeid 0x0<global> inet6 2001:db8:1:2:c80:addb:1273:95d5 prefixlen 64 scopeid 0x0<global> inet6 fe80::9cc2:b22d:cc15:2946 prefixlen 64 scopeid 0x20<link> ether 4e:e5:10:00:06:83 txqueuelen 1000 (Ethernet) RX packets 181 bytes 58337 (58.
doas, an alternative to sudo Everybody knows sudo … right ? but the openbsd guys hacked a small and secure replacement called doas …
simple, secure and clever
here a good and quick tutorial
An introduction on Vultr, the Source Code on Github and the Man Page
Installation OpenBSD On OpenBSD, it’s already in the Base System and no need to install anything.
Installation Linux On Linux, for Example, you have to add the Package