Recent questions tagged Linux

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linux - how to get MouseMove and MouseClick in bash?

I'm wondering how to get the MouseClick and MouseMove events in bash scripting for my own simple OS events. Please ... how to get that events. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Add a bash script to path

I want to add a small script to the linux PATH so I don't have to actually run it where it's physically ... but not what I am looking for. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - why is the output of `du` often so different from `du -b`

why is the output of du often so different from du -b? -b is shorthand for --apparent-size --block- ... if copied to another storage device) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - What is the difference between "source script.sh" and "./script.sh"?

What is the difference between source <script> and ./<script>? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - join multiple files

I am using the standard join command to join two sorted files based on column1. The command is simple join file1 ... am not too sure how ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - UDP-Broadcast on all interfaces

On a Linux system with a wired and a wireless interface (e.g. 192.168.1.x and 192.168.2.x subnets ... goes out through every single interface? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to continuously monitor the directory using dnotify /inotify command

I am new to dnotify/inotify command. Can any one help me how to write a script such that it continuously ... some change or modification to it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How can I remove the last character of a file in unix?

Say I have some arbitrary multi-line text file: sometext moretext lastline How can I remove only the last ... making the text file invalid? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Implementation of multiple pipes in C

I'm trying to implement multiple pipes in my shell in C. I found a tutorial on this website and the function I made is ... ,0,0) <= 0); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Use sudo without password INSIDE a script

For some reason I need, as user, to run without sudo a script script.sh which needs root privileges to work ... answer of the general problem. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - JAVA_HOME and PATH are set but java -version still shows the old one

I am using Linux Mint Cinnamon 14. I have set the $JAVA_HOME and $PATH environment variables in ~/.profile as ... that it is right directory. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - make -j 8 g++: internal compiler error: Killed (program cc1plus)

When I deploy Apache Mesos on Ubuntu12.04, I follow the official document, in step "make -j 8" I'm getting this ... ] Error 1 what should I do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How to update-alternatives to Python 3 without breaking apt?

The other day I decided that I wanted the command python to default to firing up python3 instead of python2. So I ... ="Ubuntu 16.04.2 LTS" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How can I programmatically manage iptables rules on the fly?

I need to query existing rules, as well as being able to easily add and delete rules. I haven't found any API ... in ANY language are fine too. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - rdtsc accuracy across CPU cores

I am sending network packets from one thread and receiving replies on a 2nd thread that runs on a different CPU core ... set for all the cores. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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609 views

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linux - Disable randomization of memory addresses

I'm trying to debug a binary that uses a lot of pointers. Sometimes for seeing output quickly to figure out ... :43 UTC 2011 x86_64 GNU/Linux See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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513 views

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linux - Fast Concatenation of Multiple GZip Files

I have list of gzip files: file1.gz file2.gz file3.gz Is there a way to concatenate or gzipping these files ... batch file back to the user. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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358 views

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linux - Sending HTML mail using a shell script

How can I send an HTML email using a shell script? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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linux - How do I build a native (command line) executable to run on Android?

I've had success with building an Android app (GUI) that uses a native (JNI) library. However, now I would ... do I build something like that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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838 views

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linux - Running shell script in parallel

I have a shell script which shuffles a large text file (6 million rows and 6 columns) sorts the file based the ... slow. Thanks for your help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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609 views

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linux - Use the default Python rather than the Anaconda installation when called from the terminal

I recently installed the Anaconda version of Python. Now when I type python into the terminal it opens the Anaconda ... .04 (Precise?Pangolin))? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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760 views

1 answer

linux - How to remove non UTF-8 characters from text file

I have a bunch of Arabic, English, Russian files which are encoded in utf-8. Trying to process these files using ... Is there anyway to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

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linux - Run a command in a shell and keep running the command when you close the session

I am using Putty to connect to a remote server. What I want to know is if there is any way to write my ... insight of what screen is able todo. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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linux - How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?

On POSIX systems, termination signals usually have the following order (according to many MAN pages and the POSIX ... the handling be different? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Is there an alternative sleep function in C to milliseconds?

I have some source code that was compiled on Windows. I am converting it to run on Red Hat Linux. The ... use with gcc compiling on Linux? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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linux - write a shell script to ssh to a remote machine and execute commands

I have two questions: There are multiple remote linux machines, and I need to write a shell script which will ... execute them from my machine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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linux - Run parallel multiple commands at once in the same terminal

I want to run a few commands, each of which doesn't quit until Ctrl-C is pressed. Is there something I can ... up a terminal for each command. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Using gdb to single-step assembly code outside specified executable causes error "cannot find bounds of current function"

I'm outside gdb's target executable and I don't even have a stack that corresponds to that target. I want ... will change every time I reboot.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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