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13%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
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
13%
Creating a private Docker registry
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Photo by Dayne Topkin on Unsplash
Checking the Fingerprint pub rsa4096 2017-02-22 [SCEA] 9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88 uid [ unknown] Docker Release (CE deb) sub rsa4096 2017-02-22
13%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
It’s called high-performance computing (HPC), not low-performance computing (LPC), not medium-performance computing (MPC), and not even really awful-performance computing (RAPC). The focus is doing
13%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
/0K /s] [4137 /0 iops] [eta 00m:06s] In the example, the first job is performing a sequential read, marked as r in square brackets, while Fio hasn't initialized the second job, marked as P
13%
Setting up HTTP/2 for Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Photo by Ludomil Sawicki on Unsplash
(Listing 1), which indicates a push. Listing 1 Server Push in Log 2020-11-22T12:01:10+01:00 1606042870.567 200 605 h2 "GET /index.html HTTP/2.0" 2020-11-22T12:01:10+01:00 1606042870.567 200
13%
Getting started with Prometheus
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Photo by Clay LeConey on Unsplash
2 01 global: 02 scrape_interval: 15s 03 evaluation_interval: 15s 04 05 ########## ALERTING CONFIGURATION ########## 06 07 alerting: 08 alertmanagers: 09 - static_configs: 10 - targets: 11
13%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
is turned on, which means 32 "real" cores and 32 SMT cores. Listing 1 lscpu $ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order
13%
Real-time log inspection
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © bowie15, 123RF
(Listing 4). Listing 4 JSON Output $ teler -i apache.log -c teler.yml --json /","status":"200","time_local":"07/Nov/2020:22:45:20 +0000"} {"body_bytes_sent":"5695","category":"Bad Crawler
13%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
-from 1600x900 This command mirrors my laptop screen on the external display and scales the image from the native 1,600x900 resolution on my laptop to a native 1,900x1,200 resolution on the external display
13%
Azure Application Gateway load distribution tool
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © foodandmore, 123RF.com
that offers security functions (e.g., protection against distributed denial-of-service (DDoS) attacks). To see how AAG works, refer to Figure 1 for the individual components. The front-end IP is, as the name

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