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Unix & Linux

How do I start a Cron job 1 min after @reboot?

August 10, 2022 by Magenaut

I need my script to be executed a minute after each reboot. When I apply @reboot in my crontab it is too early for my script – I want the script to be executed after all other tasks that are routinely run on reboot. How might I run the script sometime after reboot?

Categories Q&A, Unix & Linux Tags cron, sleep Leave a comment

Recommended Linux distribution for statistics?

August 10, 2022 by Magenaut

Given that R, Python and many other open source libraries used for stats have better support in Linux than Windows/OSX (rPy comes to mind), I find it odd that no one has asked this question before. So I do now: What Linux distribution people doing stats/data analysis/Machine Learning prefer/recommend? P.S.: I feel a bit embarrassed … Read more

Categories Q&A, Unix & Linux Tags distribution-choice Leave a comment

Terminating an infinite loop

August 10, 2022 by Magenaut

I have a command that I want to have run again automatically each time it terminates, so I ran something like this:

Categories Q&A, Unix & Linux Tags bash, signals Leave a comment

Is there a command like “tee” that limits the file size and treats the output file like a fixed-size queue?

August 10, 2022 by Magenaut

Does there exist a command where one can do something like:

Categories Q&A, Unix & Linux Tags buffer, pipe, stdout, tee Leave a comment

Forcing an ‘added’ alias to every command

August 10, 2022 by Magenaut

Is it possible to forcibly add a timing alias (for lack of a better way to phrase it) to every command in bash?

Categories Q&A, Unix & Linux Tags alias, bash, date, monitoring, time Leave a comment

resolving DNS via Tor

August 10, 2022 by Magenaut

When I am using Tor, and not using the Tor bundle there is a possibility of DNS leaks in certain situations.

Categories Q&A, Unix & Linux Tags bind, dns, dnsmasq, tor Leave a comment

recovering deleted file held open by apache?

August 10, 2022 by Magenaut

Suppose an apache log file gets deleted but it’s held open by apache; then this is what I am doing:

Categories Q&A, Unix & Linux Tags apache-httpd, data-recovery, linux, logs, shell Leave a comment

How can same fd in different processes point to the same file?

August 10, 2022 by Magenaut

Say I have process 1 and process 2. Both have a file descriptor corresponding to the integer 4.

Categories Q&A, Unix & Linux Tags file-descriptors, kernel, open-files Leave a comment

How to speed up X over SSH on a slow network connection?

August 10, 2022 by Magenaut

Are there any specific recommendations on speeding up X applications over ssh on a slow network connection? In this specific case, I am accessing a server located in west coast from a laptop in east coast and that too on a not too fast DSL connection.

Categories Q&A, Unix & Linux Tags networking, performance, ssh, x11 Leave a comment

Configure SELinux to allow daemons to use files in non-default locations

August 10, 2022 by Magenaut

I have a daemon (apache/samba/vsftpd/…) running on SELinux enabled system and I need to allow it to use files in a non-default location. The standard file permissions are configured to allow access.

Categories Q&A, Unix & Linux Tags linux, permissions, selinux Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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