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Unix & Linux : Recent Questions and Answers (Page 33)

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

Unable to use Valgrind on executable file for ARM-Linux

I'm having problem using Valgrind on "arm-linux" executable file. I downloaded Valgrind from the main page here : http://valgrind.org/downloads/.Run the following command to install it:...

Asked on 11/19/2021 by Toan Tran

1 answer

Why I can't increase the transmit power of my Wifi interface?

I want to increase my txpower to 30 with iwconfig, but it is not working. The rts and ths are not on off mode:Mode:Managed Access Point: Not-Associated...

Asked on 11/19/2021 by Christopher Shaju

1 answer

compare available list with chosen ids in shell script

I have a log file containing events where a user has chosen a certain ID, which I want to parse to create a summary. For every event, the file contains...

Asked on 11/19/2021 by user3696623

2 answer

How do I gunzip to a particular directory?

I have .gz file like BIG5.gz. I want to gunzip this .gz file to the directory BIG5. This did not work:gunzip -c BIG5.gz > /BIG5...

Asked on 11/19/2021

2 answer

certbot does not recognize the added VirtualHost

I'm trying to use certbot to get a certificate for my http server running nextcloud (archarm on a raspi). When I run: $ sudo certbot --apache, I get:$ sudo...

Asked on 11/19/2021

1 answer

what are the options to close manual the port correctly or release the port on rhel machines?

we have redhat 7.5 server we are suspect that port 50070 not closed correctly by the service , ( we check by netstat and PID not found ) but from...

Asked on 11/19/2021

1 answer

How to blacklist built-in Kernel module 8250_pci

I'm trying to blacklist built-in Linux Kernel module 8250_pci using modprobe.blacklist=8250_pci as boot option without success, how can avoid loading this one?...

Asked on 11/19/2021 by Mark2012

1 answer

Input Output errors on disk drives

I am completely new to the ins and outs of linux. I am trying to check my drives by running an exerciser software, blast, that checks the read and write...

Asked on 11/19/2021 by YuanL

1 answer

RESOLVED: EXT4-fs (md1): unable to read superblock - really want to avoid data loss

my level of Linux knowledge is very light (I'm learning) and I've got a problem that's beyond my level of Google-Fu. I'm well out of my depth and I'm hoping...

Asked on 11/19/2021 by Phil Green

1 answer

Linux X86_64 physical memory layout

As per the Linux kernel documentation https://www.kernel.org/doc/Documentation/x86/boot.txt, there is a kernel real mode code from X+10000 to X+08000. There are two question I have;For a modern bzImage kernel with...

Asked on 11/19/2021 by Franc M

1 answer

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