Recent questions tagged Linux

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linux - Where is eax in the pt_regs struct? Only ax is present

I am trying to use the pt_regs struct to get and set registers such as eax, but compilation errors tell me that ... .0 kernel. Thank you again. 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 Alpine executable binary not found even if in PATH

I have an alpine running container which contains some binaries in usr/local/bin When I ls the content of usr/local/ ... COPY . /usr/src/app/ 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 batch resize millions of images to fit a max width and height?

The situation I'm looking for a way to batch-resize approximately 15 million images of different file types to fit ... . Thanks for 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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821 views

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linux - Get UTF-8 input with X11 Display

I've been trying and reading lots of resources on the internet, trying to find a way to get an UTF-8 keyboard ( ... 0; } fflush(stdout); } } 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 - Logcat show invisible messages in Eclipse Mars

My PC running on Debian Jessie & Logcat's messages are all invisible on eclipse Mars. I tried a solution here, ... failed to fix the 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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749 views

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linux - Run shell script when saving a file in Sublime Text 3

I'm just curious, is it possible to run shell script automatically when I hit CTRL+S in Sublime Text 3 on ... SASS, for example. 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 - Set the hardware clock in Python?

How do I set the hardware clock with Python on embedded Linux systems? See Question&Answers more detail:os...

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

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771 views

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linux - Redirecting python's stdout to the file fails with UnicodeEncodeError

I have a python script that connects to the Twitter Firehose and sends data downstream for processing. Before it ... are working like a charm. 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 crontab job send mail, The email text turns to an attached file which named ATT00001.bin

I want to analysis some data in one linux server,then send the it as Email text to my Email account , But ... explain it for me, grate thanks. 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 write conditional import statements in QML?

Like we have preprocessor directives in C++ for conditional includes. Similarly, how to do conditional importing in QML ... else import PQR 2.0 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 - NPM can't install appjs. Error: Cannot find module 'graceful-fs'

I installed node.js and npm already, but when I try to install appjs I get this error: zephlon@zephlon-T5254:~$ ... website: http://appjs.org/ See Question&Answers more detail:os...

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

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732 views

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linux - Bash Number Limit?

I asked a question earlier that involved pulling large primes from a text file and putting them into another file. ... to advance, but stuck. 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 possible to speed-up python IO?

Consider this python program: import sys lc = 0 for line in open(sys.argv[1]): lc = lc + 1 print lc, ... them. See also the follow-up question See Question&Answers more detail:os...

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

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1.2k views

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linux - How to install Xvfb (X virtual framebuffer) on Redhat 6.5?

I have tried to install the Xvfb on red-hat 6.5 using yum -y install xorg-x11-server-Xvfb but it ... headless exception in the Applet. Thanks. 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 - XAMPP: Another web server daemon is already running?

I have painfully analyzed all of yesterday if I had another apache/web-server instance running, with all of these ... 9876, and still the same. See Question&Answers more detail:os...

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

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860 views

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linux - AF_UNIX in windows

I have an application that I wish to use over windows. I am using AF_UNIX family un windows. I wish to ... alternate to AF_UNIX ? Thanks Arpit See Question&Answers more detail:os...

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

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933 views

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linux - Decrypt obfuscated perl script

Had some spam issues on my server and, after finding out and removing some Perl and PHP scripts I'm down to checking what ... h;;s;(.*);$_;see; 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 - TCP: Server sends [RST, ACK] immediately after receiving [SYN] from Client

Host_A tries to send some data to Host_B over TCP. Host_B is listening on port 8181. Both Host_A & Host_B are Linux ... in response to a [SYN]? See Question&Answers more detail:os...

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

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841 views

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linux - Bash export command

I am encountering a strange problem with my 64-bit Ubuntu - on the export command. Basically, I have got a VM ... ". How can I fix 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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723 views

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linux - How can I make R read my environmental variables?

I am running R on EC2 spot instances and I need R to terminate the instance and cancel the spot request ... direction will be much appreciated! 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

1 answer

linux - ftell on a file descriptor?

Is there a way to do what ftell() does (return the current position in the file) on a raw file descriptor instead ... I'd rather not do that. 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

1 answer

linux - Case-insensitive Glob on zsh/bash

I need to list all files whose names start with 'SomeLongString'. But the case of 'SomeLongString' can vary. ... bash solution is also welcome. See Question&Answers more detail:os...

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

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899 views

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linux - Time waste of execv() and fork()

I am currently learning about fork() and execv() and I had a question regarding the efficiency of the combination ... even though we have waste? See Question&Answers more detail:os...

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

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937 views

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linux - How to display only files from aws s3 ls command?

I am using the aws cli to list the files in an s3 bucket using the following command (documentation): aws s3 ls ... to show only the file list? See Question&Answers more detail:os...

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

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789 views

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linux - Python memory debugging with GDB

We have a Linux application that makes use of OpenSSL's Python bindings and I suspect it is causing random crashes. ... could be a long while. See Question&Answers more detail:os...

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

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807 views

1 answer

linux - Using perf probe to monitor performance stats during a particular function

I'm trying to monitor performance stats during a particular function using linux perf tool. I was following the ... 3.11.0-12-generic] See Question&Answers more detail:os...

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

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971 views

1 answer

linux - Simulate network latency on specific port using tc

I'm trying to simulate a fixed time latency on tcp packets coming from source port 7000 using the tc command on ... to test the latency? Thanks! See Question&Answers more detail:os...

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

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702 views

1 answer

linux - Combine a shell script and a zip file into a single executable for deployment

I have two files for deployment, 1) deploymentpackage.zip -> It contains the database package with few shell ... list of scripts inside 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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