17%
27.09.2021
/.acme.sh/www.example.com/www.example.com.cer -noout -issuer -subject -dates -serial
issuer= /C=US/O=Let's Encrypt/CN=R3
subject= /CN=www.example.com
notBefore=Feb 21 13:00:28 2021 GMT
notAfter=May 22 13:00:28 2021 GMT
serial=03B46ADF0F26B94C19443669
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25.09.2023
– assuming you have a Cloudflare account and zone:
1. Create a tunnel and collect its secret token.
2. Add a tunnel configuration specifying the tunnel behavior.
3. Add a DNS entry for Tunnel – it has
17%
28.07.2025
installed on your system. If Python is not installed, you can install it with:
sudo apt install python3
With VS Code and the necessary extensions set up, you are now ready to start developing your port
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30.11.2025
debuted in Ubuntu 11.10. The initctl show-config command that gives an overview of the jobs has been around since Upstart 0.6.4 (Figure 3):
initctl show-config -e > output
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10.06.2024
in gigaflops per watt over time. The first Green500 list was in June 2013. The number 1 system used GPUs even then (NVIDIA K20 with QDR InfiniBand). The energy efficiency was 3,208.8Mflops/W (0.32Gflops
17%
03.08.2023
in 2014. At the time of writing, the available Kea versions were 2.2.0 (July 2022, Current-Stable) and 2.3.6 (March 2023, Experimental-Development). Most distributions have prebuilt Kea packages
17%
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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27.09.2024
query large amounts of data on distributed systems. CouchDB has been an Apache project since 2008. Version 1.0 in 2010 has evolved into version 3.3 today.
"Couch" was originally an acronym for "cluster
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04.08.2020
grants permissions to enable GuardDuty.
If some instances expose ports like 22 or 3389 to the world (0.0.0.0/0), you should soon see some findings of malicious IPs trying to get into your systems