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29.09.2020
-of-concept functionality.
Three Is the Magic Number
I'm going to use the excellent K3s to build my Kubernetes cluster. For instructions on how to install K3s, check out the "Teeny, Tiny" section in my article on Status
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04.12.2013
today is Fortran 90, even though more current versions (Fortran 95, Fortran 2003, and even Fortran 2008) are available. I took the C code in the previous article (Listings 2C and 3C) and rewrote
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23.07.2012
.13.134.52):
Not shown: 994 filtered ports
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 4.3 (protocol 2.0)
25/tcp closed smtp
53/tcp open domain ISC BIND 9.3
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10.07.2017
, the Raspberry Pi 3 (RPi3), is about $35, and the introduction of the Raspberry Pi Zero (Pi Zero) in 2015, set the low-end price of $5.
People have been building clusters from Raspberry Pi units, starting
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30.11.2020
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked
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14.08.2017
-A INPUT -p tcp -s [IP address of allowed server] --dport 22 -j ACCEPT
on the server to which you want to SSH.
Trick 2: Copying Files Securely
The SSH protocol also includes Secure Copy (SCP
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20.08.2012
examplehost.tld 22
If firewalling is in place and you need to originate your connection from a specific IP address to open a port, entering
# nc -s 1.2.3.4 examplehost.tld 8181
will connect to examplhost
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31.10.2025
seconds, for example:
# nc -p 16000 -w 30 examplehost.tld 22
If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter:
# nc -s 1.2.3
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02.02.2021
the configuration file that I created, replacing the top stanza with my specific Apache logfile format.
Listing 3
log_format in Config File
# 68.XXX.XXX.XXX - - [22/Nov/2020:11:03:36 +0100] "GET /wp
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31.10.2025
, such as an external hard drive, or directly across the network. You can also set up a schedule (Figure 3).
Figure 3: Scheduling the replication
