Recent questions tagged Linux

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linux - Solution for Git GUI client for remote SSH

I am a Git GUI user. I don't have an issue using it for my local development. However, now we have a server ... are open for OS?X and Windows. See Question&Answers more detail:os...

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

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757 views

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linux - what does $* mean in a shell script

What does $* exactly mean in a shell script? For example consider the following code snippet $JAVA_HOME/bin/java/com/test/Testclass $* See Question&Answers more detail:os...

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

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734 views

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linux - How do you compile/build/execute a C++ project in Geany?

I really didn't think it would be this difficult. Geany clearly has the ability to create projects, add files to ... could be a deal breaker. See Question&Answers more detail:os...

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

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927 views

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linux - Node.JS child processes being killed when parent dies

I am using child_process.spawn() to start a script from my Node.JS application running on Ubuntu. As far ... progress of those running tasks. 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 - Release of flock in case of errors?

Imagine the following Perl code (here in pseudo code): successfully acquired flock for FILEHANDLER # line 1 ... without releasing the lock? See Question&Answers more detail:os...

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

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748 views

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linux - Merging two files by a single column in unix

I would like to merge two files by one column in unix. I have file_a: subjectid name age 12 Jane 16 24 ... 31 Please help and 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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756 views

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linux - Dynamically determining where a rogue AVX-512 instruction is executing

I have a process running on an Intel machine that supports AVX-512, but this process doesn't directly use any AVX- ... ? OS is Ubuntu 16.04. 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 there a way to know the creation time of a file in ubuntu?

i am using ubuntu and want to know the creation time of a file even when it gets modified or accessed ? 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 - "tput: No value for $TERM and no -T specified " error logged by CRON process

We have a shell script which is run by CRON. The shell script in turn runs a python script which ... help would be appreciated. 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 - [01000][unixODBC][Driver Manager]Can't open lib '/usr/local/easysoft/oracle/InstantClient112/lib/libsqora.so' : file not found

I am trying to acces oracle from linux server. I am using unixODBC. When i try to acces oracle using isql ... / G_BROKEN_FILENAMES=1 _=/bin/env See Question&Answers more detail:os...

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

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1.3k views

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linux - subprocess.Popen(): OSError: [Errno 8] Exec format error in python?

Yesterday, I wrote and ran a python script which executes a shell using subprocess.Popen(command.split()) where command ... shell command ..... See Question&Answers more detail:os...

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

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952 views

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linux kernel - How to write mmap input memory to O_DIRECT output file?

why doesn't following pseudo-code work (O_DIRECT results in EFAULT) in_fd = open("/dev/mem"); in_mmap = ... write call? Best regards, Friedrich See Question&Answers more detail:os...

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

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719 views

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linux - Can't read variable that was stored from within a while loop, when out of the while loop

I can't for the life of me see why I can not read the postPrioity outside the while loop. I tried "export ... weeeeeeeeee ---> <--- 2 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 - how to change the host type for a 'Canadian cross' compilation of GCC with crosstool-NG

I've installed crosstool-NG and built GCC on a host+build x86 machine that targets arm-unknown-linux-gnueabi ... variables for CC/etc? See Question&Answers more detail:os...

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

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676 views

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linux kernel - function calls from fork() to do_fork()

After going through some text and source code i realized that fork, vfork and clone all three are executed through ... do_fork() from fork()? See Question&Answers more detail:os...

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

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960 views

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linux - Execute a sudo command in Ruby on Rails app

I am trying to execute a command like this from a Ruby on Rails app: sudo service squid3 restart If i try ... command? Or other suggestions... See Question&Answers more detail:os...

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

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989 views

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linux - Shell Script get CTRL+Z with Trap

I am trying to get the SIGSTOP CTRL+Z signal in my script's trap. When my script is executing, if I ... matter what signals I send afterwards. See Question&Answers more detail:os...

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

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817 views

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linux - Cmake error setting compiler

For some reason, CMake's C and C++ compilers are set by default to /usr/bin/qcc. I've followed this ... correct way to set CMake's compilers? See Question&Answers more detail:os...

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

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773 views

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linux - How to change encoding in many files?

I try this: find . -exec iconv -f iso8859-2 -t utf-8 {} ; but output goes to the screen, not to the same file. How 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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690 views

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linux - memcache for php - unable to connect

I m running centos 6. Using apache for handling php and nginx to handle scripts images and css i have ... with: Permission denied (13) 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

1 answer

linux - How to get list of running php scripts using PHP exec()?

I need to know and kill if there is any processes running a specified PHP script. Is that possible to get list of ... exec() and a php 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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863 views

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linux - How to export symbols from a shared library

I created a shared library (*.so) using the *.o object code files (C source code) using RVDS compiler on ... happen in case of static library? See Question&Answers more detail:os...

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

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969 views

1 answer

linux - How to generate plain-text source-code PDF examples that work in a document viewer?

I just found the post Adobe Forums: Simple Text String Example in specification broken., so I got interested in ... for any answers, Cheers! See Question&Answers more detail:os...

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

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940 views

1 answer

linux - How to set pthread max stack size

The API pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize) is to set the minimum stack size (in bytes ... stack size? 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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841 views

1 answer

linux - performance - multithreaded or multiprocess applications

In order to develop a highly network intensive server application on linux, what sort of architecture is ... -threaded applications? 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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986 views

1 answer

linux - "stdin: is not a tty" from cronjob

I'm getting the following mail every time I execute a specific cronjob. The called script runs fine when I'm calling ... no idea how to fix 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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1.1k views

1 answer

linux - Python & MS Word: Convert .doc to .docx?

I found several questions that were similar to mine, but none of the answers came close to what I need. ... software. Can this be 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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652 views

1 answer

linux - Deduplicate Git forks on a server

Is there a way to hard-link all the duplicate objects in a folder containing multiple Git repositories? Explanation: ... gets all the 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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