Questions tagged [algorithms]
The algorithms tag has no summary.
23 questions
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Configure SSHD via Red Hat crypto-policy
I am using Rocky Linux 8 and 9 and they use the crypto-policy framework from Red Hat. Now I want to adjust some settings in the policy to forbid sshd to use some specific algorithms. But I can not ...
- 2,955
2
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1
answer
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Weak MAC Algorithm(s) Supported (SSH)
I have this lines in my /etc/ssh/sshd_config file:
MACs hmac-sha2-256,hmac-sha2-512,[email protected],[email protected]
MACs [email protected],[email protected],-hmac-...
- 178
-2
votes
1
answer
923
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round-robin in bash script
i have this task to do, but im actually stuck with this round-robin algorithm, here's the details input file there are 3 process A, B and C second column is the arrival time third column is nut value
...
- 29
0
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0
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500
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How to measure CPU, MEM usage and more for a short lived process
I've got a program with some compiled sorting algorithms, and I'm trying to use top to monitor its cpu and ram usage.
Normally this would be fine, given that the process runs for a few minutes, ...
2
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1
answer
2k
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How to reposition the elements of a json array conditionally using jq?
I want to re-position elements of an array (change index of array elements) based on a condition. I don't know how to translate this to jq which is more of a functional language.
Basically I want to ...
- 1,202
0
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0
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What kind of Hashing algorithm is my Linux using? [duplicate]
In Kali Linux, I found an unknown hash algorithm used to encrypt the Kali Linux password.
root:$y$j9T$J3nInhusIQkrmvCnX8tlo.$KduXmrDY7wv3o2P/k9t35adUH5XWUBYngo1Wxypy2X.:18749:0:99999:7:::
My ...
9
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1
answer
3k
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GRUB alternative for LUKS2 with Argon2ID support
It seems that the even the most recent version of GRUB2 doesn't support LUKS2 with the PBKDF Argon2ID (source).
The Raspberry Pi bootloader for instance fully supports this new hashing function.
Is ...
- 305
1
vote
1
answer
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Where can i learn algorithms from zero? [closed]
I've been studying programming for like 3 years or so but my teachers never taught me algorithms.
Are there any online courses for beginners? with tasks.
- 13
-2
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1
answer
724
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Why is it not possible to use SJF (Shortest Job first) in Linux? [closed]
why it is not possible to use SJF as the scheduling algorithm for Linux?
2
votes
1
answer
2k
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What data structure is the stack using in Linux?
I have looked in several places such as here but none explain in detail the structs used for implementing the stack itself (the place where "tasks" (processes/threads) store their nested call ...
- 497
1
vote
1
answer
817
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Restrict Access to SSH server based on incoming key type
I am running ubuntu 18.04.3 server HWE edition in my local lab and while reading the manuals I came across the issue that I am unable to determine how to exclude users from connecting to my server via ...
- 19
0
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1
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269
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Arguments for, and the applicability of, using multiple forms of compression on one or more files?
I was wondering whether there are any scenarios which require file(s) to be compressed multiple times with the same or a different algorithm. As far as i can tell the file size can be reduced further ...
1
vote
2
answers
997
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Transforming if statement in case
I'm currently testing changes in my scripts for performance purposes. Specifically, I want to change if to case statements.
However, being new to shell programming I'm getting stuck on this type of ...
- 23
-1
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2
answers
244
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Trying to complete Project Euler #5, passes all syntax checks but doesn't work
trying to complete Project Euler #5. The code I have should logically work, and it passes ShellCheck, but gives no output for some reason. The code is below. Thanks and sorry if this should be in a ...
- 207
3
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1
answer
3k
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OpenSSH accesslog : Logging ciphers, MAC and user agent
How to log the Protocol, KexAlgorithm, Cipher and MAC algorithm negociated by the client and the client's user agent string?
What I'm looking for is the OpenSSH equivalent to Apache HTTPD's CustomLog+...
- 235