Recent questions tagged Linux

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Hello StackOverFlowers! I'm extremely new to the whole linux thing and I'm using Cygwin to try to do the following.. ... , eax mov eax,1 int 80h 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 do I count the number of occurrences of a string in an entire file?

Is there an inbuilt command to do this or has anyone had any luck with a script that does it? I am ... it appears in the correct format. 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 use global arrays in bash?

I was searching through SO and google for a solution to my problem for 2 days but I had no luck. My problem ... m doing? Am I missing something? 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 - CMAKE auto header file dependency

Question is similar to this question Handling header files dependencies with cmake I have sample program dir having main ... which can 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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linux - How to use STDIN twice from pipe

I have a awk script something like awk 'FNR==NR {col1[$1]++; col2[$2]++; next} {print $0, col2[$2] " ... work. How to use STDIN twice from pipe? 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 - BASH: Best architecture for reading from two input streams

Simple script here: a) constantly read from a socket and store values in an associative array b) constantly read ... array (use file locking). 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 - New scala worksheets not evaluated in Eclipse

I am using Scala on Eclipise IDE on Linux. I am facing issues with the evaluation of the new worksheets. ... worksheets are still working fine? 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 - shell start / stop for python script

I have a simple python script i need to start and stop and i need to use a start.sh and stop.sh ... $target echo "killing process $target" done 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 - python : undefined symbol: PyUnicodeUCS2_DecodeUTF8

I get a problem when I try to exec my main file in python (I'm on Ubuntu 12.04 with python 2.7). I ... python : scipy install on ubuntu. Thank. 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 - Best POSIX way to determine if a filesystem is mounted read only

If I have a POSIX system like Linux or Mac OS X, what's the best and most portable way to determine if a ... read-only, how would you do 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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linux - Execute command line and return command output

Currently, I am using shell command line calls from my fortran program using non-standard SYSTEM intrinsic routine ... a specific UNIT number)? 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 run Appium iOS automated tests on Ubuntu?

I know that it's impossible to code the test on ubuntu since I need apple's xCode, but I would like ... the automated tests on Ubuntu. 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 - Command not found in Bash's IF-ELSE condition when using [! -d "$DIR"]

I have a code like this #!/bin/bash DIR="test_dir/"; if [! -d "$DIR"]; then # If it doesn't create it ... found What's the right way to do 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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linux - Splitting gzipped logfiles without storing the ungzipped splits on disk

I have a recurring task of splitting a set of large (about 1-2 GiB each) gzipped Apache logfiles into several parts ... way to do this? 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 - python sigkill catching strategies

I was wondering if there was any way to catch the sigkill from the OOM killer. I have a task queue, and ... exact situation? Thanks very much! 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 can I configure bash to handle CRLF shell scripts?

I want to execute bash scripts that happen to use Windows/CRLF line endings. I know of the tofrodos package, and ... force bash to handle CRLF? 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 - Insert new line to bash prompts

This seems like a common question, but I can't find this anywhere on Google nor SO. Please point me to the ... need that extra space in between. 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 - Python socket.error: [Errno 13] Permission denied

Using Linux and Python, I want to send some data with broadcast: d = b'109u433279423423423' import socket s ... Permission denied What is wrong? 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 - While Do loop and variables in a bash script?

I'm a PHP programmer doing some BASH scripting and I'm not sure how global variables are working. I want to ... $i echo $t1 echo $t2 exit 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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linux - Execute external program through terminal in Java

I have an external program Otter that gets as parameter some filename and creates an output file, also specified ... Thanks in advance, Tamash 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 - Chef Multi line command

I'm trying to write a recipe in Chef but I'm stuck on how I can do a multi line execute into ... process exited unsuccessfully (exit code 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 - Bash simplified sudoku

So,I have to write a bash script to check if a 9x9 "sudoku" solution is valid,but the simplification is that I ... "Correct data!"; } ' done 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 - Join on first column of two files

How can I join two files by the first column of each? file1: 116 116 116 116 116 117 117 117 117 ... 117 25.8182578688696 117 25.8182578688696 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 - Segfault when writing to string allocated by db [assembly]

I'm following a basic shell-spawning exploit example. Below is exactly what my book tells me to write, yet I still get ... byte to [esi + 7] ? 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 - String comparison not Working properly

My code: x=$(awk -v i=$h -v j=17 'FNR == i {printf "%s ", $j}' newiptables.log) s="SPT=80" ... is false> fi The if condition is not working 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 - Pipe Bash command output to stdout and to a variable

I have to find files with selected permissions and list them as well as their number. Therefore I would like to ... first and then the 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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linux - Connecting to Mysql on AWS Elastic Beanstalk

I am relatively new LAMP dev who is trying to learn Linux primarily through AWS. I have a live Elastic ... getting my wires crossed here? 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 - Entry in /proc/meminfo

I am now study linux. cat /proc/meminfo produces as following. Please tell me the mean of entry "Active( ... 3880960 kB DirectMap1G: 4194304 kB See Question&Answers more detail:os...

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

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