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15%
Protect Your Servers with Nmap
23.07.2012
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.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
15%
System temperature as a dimension of performance
28.11.2022
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2022
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Issue 72: OpenS...
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: 42 Celsius federico@voronoi:~$ Infos Sound-proofing a Picocluster: https://twitter.com/0
x
F2/status/1244422315011645444 Noctua NF-A6
x
25
PWM, Premium Quiet Fan, 4-Pin (60
mm
): https
15%
HDF5 and Parallel I/O
17.05.2017
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, 5 ) / ( 8, 5 ) } DATA { (0,0): 0, 1, 2, 3, 4, (1,0): 5, 6, 7, 8, 9, (2,0): 10, 11,
12
, 13, 14, (3,0): 15, 16, 17, 18, 19, (4,0):
20, 21, 22
, 23, 24, (5,0):
25
, 26, 27, 28, 29, (6
15%
Embarrassingly parallel computation
01.06.2024
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2024
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Issue 81: Load...
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is
20
x
because only 95 percent of the algorithm can execute in parallel (compute the fraction 1/
20
from that 5% number). That limitation led to a search for embarrassingly parallel algorithms
15%
Installing and operating the Graylog SIEM solution
13.12.2018
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2018
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Issue 48: Secur...
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18
19 Modules pm_buffer
20
MaxSize 102400 # 100 MByte buffer on the hard disk 21 Type disk
22
23 24
25
Modules om_udp 26 Host GraylogServerName 27 Port
15%
Warewulf 4 – Python and Jupyter Notebooks
13.04.2023
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/apps/apps/conda/$USER/envs total 8 4 drwxrwxr-
x
3 laytonjb laytonjb 4096 Mar
12
11:28 .. 4 drwxrwxr-
x
2 laytonjb laytonjb 4096 Mar
12
11:28 . I did this for my user account, and if you are adding a new user, you will have
15%
Where Does Job Output Go?
11.09.2023
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dropped. For example, today you can get consumer-grade
1-2
TB SSD drives for well under $100, and I’ve seen some 1TB SSDs for under $30 (August 2023). Don’t forget that SSDs can range from thin
2.5
-inch form
15%
Where does job output go?
28.11.2023
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2023
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Issue 78: Domai...
»
. For example, today you can get consumer-grade
1-2
TB SSD drives for well under $100, and I've seen some 1TB SSDs for under $30 (August 2023). Don't forget that SSDs can range from thin
2.5
-inch form factors
15%
Hybrid public/private cloud
30.01.2020
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2020
»
Issue 55: AWS L...
»
Fn::Base64:
20
Fn::Join: 21 - ''
22
- 23 - "{\n" 24 - '"bucket"'
25
- ' : "' 26 - Ref: S3Bucketname 27
15%
Let the editor wars begin!
11.10.2016
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2016
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Issue 35: Persi...
»
, interesting, and worthwhile exercise. I argue that systems administration needs a command-line editor, because it can be used even if
X
windows isn't working or isn't installed on the servers. Knowing how
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