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Unix & Linux : Recent Questions and Answers (Page 24)

Find answers to your questions about Unix & Linux or help others by answering their Unix & Linux questions.

Limit memory usage for a single Linux process

I'm running pdftoppm to convert a user-provided PDF into a 300DPI image. This works great, except if the user provides an PDF with a very large page size. ...

Asked on 12/01/2021 by Ben Dilts

8 answer

Command to list all usernames on a Linux server

What is the command that allows one to generate a list of all the usernames of authorised users on a Linux server? I have tried getent passwd | cut...

Asked on 12/01/2021 by dac2002

4 answer

Access denied for a particular user by PAM account configuration

I am trying to setup a passwordless login from machineA to machineB for my user david which already exits. This is what I did to generate the authentication keys:david@machineA:~$...

Asked on 12/01/2021 by user5447339

4 answer

Unix shell script using Expect shell

Im writing a script to collect micro code levels for adapters on each servers in AIX, using Expect shell. #!/bin/kshfor hostname in ABCD123 ABCD234 ABCD445doexpect << 'EOS'set hos {$hostname}spawn...

Asked on 12/01/2021 by satsensort

1 answer

can't change value in smp_affinity

I am trying to set irq affinity on linux by changing the value in smp_affinity. When I echo the new value into the file, I don't get any error but...

Asked on 12/01/2021 by futureishere

1 answer

How to: ZFS dataset per user

My roommates and I are going to build a NAS server at home with ZFS but each of us want to have our own separated space. Is it possible to...

Asked on 12/01/2021

1 answer

cryptsetup: bad password or options?

With a fully encrypted disk, the OS is Ubuntu 20.04, just after powering up the computer, the boot prompts for the disk encryption password in the middle of the screen...

Asked on 12/01/2021 by gregoiregentil

0 answer

How to prevent the program from accessing files?

I want to run some proprietary software on my Linux machine, skype for example. But I do not trust this program and I want to block for this program access...

Asked on 12/01/2021 by Mihail HRS

1 answer

TNAS how to install wget

I have a TNAS F5-221.How to install wget? I'm getting: wget command not found.I tried: yum install wget, apt install wget. I’m logged through ssh as root. Is...

Asked on 12/01/2021 by Mah na mah na

2 answer

Does rsync support hot transfer while the system is running?

I want to use rsync for creating complete, bootable backups of a LUKS-encrypted Linux disk. Does it support hot-transferring of files, i.e. can I use rsync from a running (idling)...

Asked on 12/01/2021

1 answer

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