Recent questions tagged Linux

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linux - Bash: delete based on file date stamp

I have a folder with a bunch of files. I need to delete all the files created before July 1st. How do I do that in a bash script? See Question&Answers more detail:os...

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

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835 views

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linux - CUDA performance penalty when running in Windows

I've noticed a big performance hit when I run my CUDA application in Windows 7 (versus Linux). I think I may ... 331.65 of the Nvidia driver. See Question&Answers more detail:os...

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

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800 views

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linux - How can I control the keyboard and mouse with Python?

How can I control the mouse and keyboard in Python? The idea is to do the same as the Robot() class in Java. ... even OS X would be the 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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665 views

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linux - Parsing shell script arguments

$myscript.sh -host blah -user blah -pass blah I want to pass arguments into it. I'm used to doing $1, $2, $3....but I want to start naming them See Question&Answers more detail:os...

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

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724 views

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linux - Merging through fuzzy matching of variables in R

I have two dataframes (x & y) where the IDs are student_name, father_name and mother_name. Because of typographical errors ... by = **magic**) See Question&Answers more detail:os...

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

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775 views

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linux - Docker behind proxy that changes ssl certificate

I am trying to run the following docker command: docker run -i -t ubuntu /bin/bash But I get the error: ... is still not working. Any ideas? See Question&Answers more detail:os...

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

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755 views

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linux - CPU Affinity Masks (Putting Threads on different CPUs)

I have 4 threads, and I am trying to set thread 1 to run on CPU 1, thread 2 on CPU 2, etc. However ... pthread_join(thread4, NULL); return 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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810 views

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linux - How to make a call to an executable from Python script?

I need to execute this script from my Python script. Is it possible? The script generate some outputs with ... bar: cannot execute binary file See Question&Answers more detail:os...

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

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652 views

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linux - How to compile glibc 32bit on an x86_64 machine

I'm trying to compile glibc (as a secondary, not a system replacement) 2.6 on an x86_64, and trying to ... i686" i686-linux-gnu Thanks everyone! See Question&Answers more detail:os...

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

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833 views

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linux - Add blank line after every result in grep

my grep command looks like this zgrep -B bb -A aa "pattern" * I would lke to have output as: file1: ... less than bb lines before the pattern. See Question&Answers more detail:os...

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

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572 views

1 answer

linux - Which command to use for checking whether python is 64bit or 32bit

I am not able to find any command to check if my python is compiled for 32bit system or 64bit system. I tried ... for mac i.e 32bit and 64bit. See Question&Answers more detail:os...

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

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571 views

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linux - Is /dev/random considered truly random?

For instance, could it be used to generate a one-time pad key? Also, what are its sources and how could it ... a random number between x and y? 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 - What does "/dev/null" mean at the end of shell commands

What is the difference between the following commands? ssh myhostname "command1; command2;...commandn;" 2>/dev/null ... name of file be null! See Question&Answers more detail:os...

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

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950 views

1 answer

linux - How do I troubleshoot "Inconsistency detected: dl-lookup.c: 111" (Java Result 127) error?

I'm currently trying to build a Java project using Maven for a game I'm working on. I think I'm using Java ... failed! [java] Java Result: 127 See Question&Answers more detail:os...

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

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616 views

1 answer

linux - How can I gzip standard in to a file and also print standard in to standard out?

I want to execute a command, have the output of that command get gzip'd on the fly, and also echo/tee out the ... : hey hey, we're the monkees See Question&Answers more detail:os...

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

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765 views

1 answer

linux - Android/Eclipse Installation on Ubuntu 11.04 - aapt and adb not working properly

I am a Linux n00b trying to setup my development environment in Eclipse. I have Eclipse and the Android SDK ... $MACHTYPE x86_64-pc-linux-gnu See Question&Answers more detail:os...

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

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626 views

1 answer

linux - Getting current path in variable and using it

I would like to extract the current path in a variable and use it later on in the script Something like: myvar = ... i go on about doing 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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744 views

1 answer

linux - Count the number of times a word appears in a file

What is an easy way to count the number of times a word appears in a file? 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 - Kinect for Xbox 360 freezes and disconnects from USB after running Processing SimpleOpenNi depth image example

please help I've been trying to set up kinect for XBOX 360 to run on ubuntu in order to start developing an ... any one help me please!!. See Question&Answers more detail:os...

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

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619 views

1 answer

linux - Installing Python 2.7 without root

I tried installing Python 2.7 without root on a remote linux machine. I ran the commands ./configure prefix= ... install properly? Thanks, ktm See Question&Answers more detail:os...

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

0 votes

719 views

1 answer

linux - Bash: Running the same program over multiple cores

I have access to a machine where I have access to 10 of the cores -- and I would like to actually use them ... that to do what I wanted exactly. See Question&Answers more detail:os...

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

0 votes

661 views

1 answer

linux - Using named pipes with bash - Problem with data loss

Did some search online, found simple 'tutorials' to use named pipes. However when I do anything with ... appreciated. Regards, Alain. See Question&Answers more detail:os...

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

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534 views

1 answer

linux - Domain name resolution not working in Java Applications on Ubuntu64 9.04 machine. All other software resolves DNS correctly

I have an number of Java applications installed on an Ubuntu64 9.04 PC, and none of them can resolve ... mixed mode) jgreenwood@jeg-ubuntu64:~$ See Question&Answers more detail:os...

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

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638 views

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linux - Cost of static memory allocation vs dynamic memory allocation in C

I am very interested to know what is the preferred method of memory allocation static vs dynamic is good for ... these two allocation methods. See Question&Answers more detail:os...

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

0 votes

616 views

1 answer

linux - What is the difference between "var=${var:-word}" and "var=${var:=word}"?

I read the bash man page on this, but I do not understand the difference. I tested both of them out and ... {parameter:=word} just does more? See Question&Answers more detail:os...

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

0 votes

674 views

1 answer

linux - Open a file directly from a GitLab private repository

I have a private repository on a GitLab server and using the SSH I can pull a project using git clone. But I ... the login page. Is it possible? See Question&Answers more detail:os...

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

0 votes

954 views

1 answer

linux - How to emulate Raspberry Pi Raspbian with QEMU?

I'm trying to emulate a Raspberry Pi with the Raspian OS using QEMU. I've tried several approaches described on ... -jessie-lite.img The result: See Question&Answers more detail:os...

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

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567 views

1 answer

linux - What's the practical limit on the size of single packet transmitted over domain socket?

Let us assume that there is a Unix domain socket created for a typical server-client program. The client sends a ... 3 bytes to 10GB maximum. See Question&Answers more detail:os...

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

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