Recent questions tagged Linux

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linux - Print on terminal and into file simultaneously?

I have a shell script that greps some data.. I want to print the result into a file, but doing that prevents ... into a file. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to get a script in init.d to execute on boot in Android?

Part of my android app's functionality it to place a script I have written in init.d, so that it ... extremely knowledgeable on these matters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Binary data over serial terminal

My only way of communication with my embedded device is a serial port. By default, embedded Linux uses this port ... mess with my data stream. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - PERF STAT does not count memory-loads but counts memory-stores

Linux Kernel : 4.10.0-20-generic (also tried this on 4.11.3) Ubuntu : 17.04 I have been trying to collect ... in any way to get proper data ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - webpack --watch exits after building once

I was using webpack --watch statement to run my webpack in watch mode for building my ReactJS app. However for ... me. Any help is appreaciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Understanding sendfile() and splice()

sendfile() can be used to transmit data from a "file" descriptor to a "socket" descriptor in order to get ... splice() help in this situation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to assign IP address to interface in python?

I have python script that set the IP4 address for my wireless and wired interfaces. So far, I use ... configurations using python libraries ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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645 views

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linux - Can GDB change the assembly code of a running program?

I want to add some extra funcionality to /bin/ls. So I started it on gdb and added a breakpoint at the beginning ... a binary file). Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Why doesn't "history | vim" work?

I want to use the Vim to see the result of history (not in the shell). I think history | vim will ... Vim: Finished. Can anybody explain this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux kernel - How to make Android device boot when power is plugged in?

I need to use this for a Samsung Tablet. Usually if the device is switched-off and the USB cable is ... proprietary code of the manufacturer? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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659 views

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linux - Why can't I access Xampp's phpmyadmin on localhost? Access is forbidden.

I can access localhost fine on Xampp with phpmyadmin on ubuntu. I can see the contents of /htdocs which I ... to configure to access phpmyadmin? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Docker macvlan network, unable to access internet

I have a dedicated server with multiple IP addresses, some IP's have mac address associated while others(in a ... netmask 64 gateway fe80::1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Use perf inside a docker container without --privileged

I am trying to use the perf tool inside a Docker container to record a given command. kernel. ... Disallow kernel profiling for unpriv See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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linux - Using objdump for ARM architecture: Disassembling to ARM

I have an object file and am trying to disassemble it. When I use: objdump -d example.o I get an assembly in ... how do I go about doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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925 views

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linux - How to support both IPv4 & IPv6 on Java

One of our Java program when started, it only listen on IPv6 (8080) e.g. # netstat -ntpl Proto Recv-Q ... above, both support IPv4 and IPv6? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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linux - iconv any encoding to UTF-8

I am trying to point iconv to a directory and all files will be converted UTF-8 regardless of the ... .sh convert/books CURRENT_ENCODING utf8 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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848 views

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linux - How to install InfluxDB in Windows

I am new to InfluxDB. I could not find any details about installing InfluxDB on Windows. Is there any ... Linux server for development purposes? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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888 views

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linux - Force GNU linker to generate 32 bit ELF executables

Hi I am currently generating x86 assembly for a compiler that I am writing and am having some trouble linking the ... Any help would be great. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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linux - PHP is_writable() function always returns false for a writable directory

I'm trying to install a PHP-based software package in a Red Hat 7 Amazon EC2 instance (ami-8cff51fb) ... limesurvey drwxrwxr-x root apache tmp See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Is it necessary to deregister a socket from epoll before closing it?

Assume the following code where "sock" is a handle to TCP socket that was previously registered with an epoll file ... a result of closing it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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845 views

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linux - htaccess pcfg_openfile: unable to check htaccess file, ensure it is readable and that '/files/domain.com/public_html/images/' is executable

Today i migrated my images from one server to another and faced a strange permission issue [Mon Mar 25 08:42: ... Chown -R root:root root_dir See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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809 views

1 answer

linux - Getting python Numba working on Ubuntu 14.10 or Fedora 21 with python 2.7

Recently, I have had a frustrating time to get python Numba working on Ubuntu or Fedora Linux. The main ... for these to compile properly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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896 views

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linux - Find broken symlinks with Python

If I call os.stat() on a broken symlink, python throws an OSError exception. This makes it useful for ... symlinks with Python under Linux? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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846 views

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linux - compare file's date bash

I'm working on a tiny dropbox-like bash script, how can I compare the dates of 2 files and replace the old ... help me with knowing the newer? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

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linux - Compiling out-of-tree kernel module against any kernel source tree on the filesystem

I am trying to compile a module against any source tree on the file system but I am having trouble with ... would greatly appreciate any help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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672 views

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linux kernel - Can an interrupt handler be preempted by the same interrupt handler?

Does the CPU disable all interrupts on local CPU before calling the interrupt handler? Or does it only disable that ... , which is being served? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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872 views

1 answer

linux - Unable to connect to PostgreSQL server: could not connect to server: Permission denied

Warning: pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: Permission denied Is the ... anyone help me in this See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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707 views

1 answer

linux - Nodejs and socket.io, is it pure javascript?

I'm starting to use nodejs and socket.io... Is it pure javascript or do i have to learn a framework like JQuery or MOntools ? Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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