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  • Can Linux report IP conflicts?

    - by James
    If a Red Hat or other Linux host has a conflict with an IP address, is there a way to have it display a warning message on the console or in a log, like Windows and MacOS do? i.e. my computer has an IP address configured (or received from a DHCP server) but finds another device on the network using the assigned address. Will it log the conflict?

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  • Process limit for user in Linux

    - by BrainCore
    This is the standard question, "How do I set a process limit for a user account in Linux to prevent fork-bombing," with an additional twist. The running program originates as a root-owned Python process, which then setuids/setgids itself as a regular user. As far as I know, at this point, any limits set in /etc/security/limits.conf do not apply; the setuid-ed process may now fork bomb. Any ideas how to prevent this?

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  • Process limit for user in Linux

    - by BrainCore
    This is the standard question, "How do I set a process limit for a user account in Linux to prevent fork-bombing," with an additional twist. The running program originates as a root-owned Python process, which then setuids/setgids itself as a regular user. As far as I know, at this point, any limits set in /etc/security/limits.conf do not apply; the setuid-ed process may now fork bomb. Any ideas how to prevent this?

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  • How to view hidden files using Linux `find` command

    - by Tom
    On a Linux server, I need to find all files with a certain file extension in the current directory and all sub-directories. Previously, I have always using the following command: find . -type f | grep -i *.php However, it doesn't find hidden files, for example .myhiddenphpfile.php. The following finds the hidden php files, but not the non-hidden ones: find . -type f | grep -i \.*.php How can I find both the hidden and non-hidden php files in the same command?

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  • Linux Teamviewer functionality, but for ssh only

    - by Icapan
    I need to access some Linux server behind NAT (no ports forwarded), so I need to have something like "phone home" like Teamviewer has. There is no GUI, but somebody can log in through SSH and dictate a password if it is changing (like Teamviewer). SSH (port 22) is enough (I can tunnel ports through SSH if I need). Any suggestions? How safe is it?

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  • On-demand RHEL/Centos Linux admin and MySQL admin

    - by user1322092
    Could you share with me a few reputable businesses/websites where I can quickly onboard a RHEL/Centos Linux admin or even a MySQL admins (say if I need help with disaster recovery). I have a cloud server, and I would like to task an admin to perform specific maintenance or even periodic. With the abundance of solely-run cloud servers, I would imagine there's a demand for this type of service (certainly for me).

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  • Using a flash drive to speed up conventional disks (on linux)

    - by Daniel
    Hi! Is there a possibility to use a flash drive as a speed up for conventional hard disks? I got the idea to redirect all read ops to the flash drive if the data is already stored there, and to read from the conventional disks if the data is not found there (and during idle time the freshly accessed data from the conventional disk is stored on the flash disk). Is this already possible with linux standard tools?

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  • How to power off a Debian Linux box via console

    - by Luke Puplett
    Brand new to Linux. I need to turn my box off and put it in my server room. The help here and everywhere seems not to work for me: http://debianhelp.co.uk/shutdown.htm I get: lukepuplett@uktnlx01:~$ poweroff -bash: poweroff: command not found lukepuplett@uktnlx01:~$ shutdown -bash: shutdown: command not found lukepuplett@uktnlx01:~$ modprobe apm -bash: modprobe: command not found lukepuplett@uktnlx01:~$ I also tried halt, reboot, goaway, and pleasejustwork.

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  • Linux embeddable cheap rack server..

    - by Harun ESUR
    I want to embed my network connectivity application into a linux installed rack-mount server and sell it bundled. I googled some but couldn't figured out which it would be? Do you have any experiences with these types of hardware and recommend some?

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  • "Abort" message on linux shell

    - by bksi
    hello i compile & run a C program in linux terminal (using gcc). the program recieves as an argument a text file, parses it and outputs to screen and/or another text file. for some reason. in some cases, when i run the program, i get "Abort" message on the shell, and i can't figure out why. does anyone have an idea why this happens? thanks

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  • Best Filesystem to use for Desktop Linux?

    - by contagious
    I'm going to be building a fancy new desktop soon, and I want to experiment with file systems. I know that ext3 is the most common for linux, but what about ext4, or zfs? Are their any pros or cons to certain ones? I won't be doing anything spectacularly off the wall, just using it as my main box. It is a good possibility that it will double as my web server, though.

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  • Cooperative linux vs vm

    - by Rhythmic Algorithm
    What are the advantages / disadvantages of using cooperative linux like portable ubuntu for example compared to a qemu or any other virtual machine installation. Is one option notably faster than the other plus and other things that should be taken into consideration.

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  • X window (or whole linux system) replace Caps Lock with ESC *and* Control

    - by gcb
    on windows there are several key maps applications that replaces Caps lock with ESC on a single 'press and relase' and with a Control signal if hold and another key is pressed. Is there any way to do something similar on linux? Ideally on the whole system, but if it is only for X window it is fine too. i'm currently writting scripts with the xautomation package tools. but i guess there is already a better way to do that via configurations.

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  • What do .# file names mean in Linux?

    - by Martin Wiboe
    This is probably trivial, but I'm quite new to Linux and I was unable to find any info online. In a folder, I can execute the command find . -regex '.*py' and get the following result: ./.#netMHC3.2.py Is this a file in the current directory? What can I do to display its contents? Thank you

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