Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

Recent questions tagged unix

0 votes
587 views
1 answer
    I would like to concatenate a number of text files into one large file in terminal. I know ... file2 awesomepossum file3 hownowbrowncow See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
453 views
1 answer
    I am trying to place a library from a project into a certain directory in my build output, but the parent ... SUFFIX ".pyd") endif(WIN32) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
766 views
1 answer
    I use a command to recursively find files containing a certain string1: find . -type f -exec grep -H string1 ... only two strings would be nice. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
447 views
1 answer
    I have the following problem that I want to solve in awk. I have one large text table, comma separated, ... Thanks in advance for any help! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
654 views
1 answer
    I use the unix command 'touch' a lot to update time-stamps of any new acquired/downloaded file in my system. ... 5 as well as powershell 6. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
586 views
1 answer
    I was trying to combine logical AND & OR in a bash script within if condition. Somehow I am not getting the ... out what is going wrong here? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
490 views
1 answer
    I need delete a matching line and one previous to it. e.g In file below I need to remove lines 1 & 2. I tried " ... document 1** **page 2 of 2** See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
513 views
1 answer
    I've setup a development/testing server where developers can push repositories to a remote repo/webserver via ... would be really appreciated. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
807 views
1 answer
    pathname=$(cat $HOME/.rm.cfg) if [ ! -z $pathname/$1 ] .rm.cfg is a file that contains the following ... give a binary operator expected error. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
675 views
1 answer
    I'm on SUSE Linux Enterprise 10/11 machines. I launch my regressions to a farm of machines running Intel ... and Haswell family, respectively. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
526 views
1 answer
    How do you get the maximum number of bytes that can be passed to a sendto(..) call for a socket opened as a UDP port? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
640 views
1 answer
    Recently I am studying operating system..I just wanna know: What's the difference between a system call (like ... function (like printf())? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
724 views
1 answer
    How to generate the SHA-512 hash with OpenSSL from command line without using a file? I've tried this ... online-convert.com/sha512-generator). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
637 views
1 answer
    For grep there's a fixed string option, -F (fgrep) to turn off regex interpretation of the search string. Is there a ... sed -i "s/abc/def/g" See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
566 views
1 answer
    Editor's note: This question is for a version of Rust prior to 1.0. Some answers have been updated to cover ... Rust nightly before Rust 1.0. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
604 views
1 answer
    I came across this line in one of the shell scripts: [-f $host_something ] && .$host_something What are ... with the same environment variable? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
497 views
1 answer
    I would like to know how can I determine if a python script is executed from crontab? I don't want a solution ... module (not the main script). See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
556 views
1 answer
    So I'm building a Unix minishell in C, and am implementing input, output, and err redirection, and have come ... to post anymore code just ask. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
502 views
1 answer
    I have a folder which contains some subversion revision checkouts (these are checked out when running a capistrano ... using one unix command? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
597 views
1 answer
    I learned a really handy way to remove duplicate lines retaining the order from Remove duplicates without sorting ... precedence of operations? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
648 views
1 answer
    I need to print the ASCII value of the given character in awk only. Below code gives 0 as output: echo a | awk '{ printf("%d ",$1); }' See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
639 views
1 answer
    I'm writing a Bourne shell script and have a password input like this: echo -n 'Password: ' read password Obviously ... go read the manpage. ;) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
777 views
1 answer
    I want to be able to tell if a command exists on any POSIX system from a shell script. On Linux, I ... 9699919799/idx/utilities.html) Any ideas? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
705 views
1 answer
    Is there any way to use pipe within an -exec in find? I don't want grep to go through whole file, but only ... , but couldn' t find any answers. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
711 views
1 answer
    How can I display all jobs that ended OK only? When I try the command below, it shows both OK and ... ctmpsm -listall application | grep OK See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
678 views
1 answer
    I am writing a bash script that calls functions declared in the parent shell, but it doesn't work. For ... function visible to the script? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
586 views
1 answer
    I'm working on some code that will DD a block device over SSH, and I'm wanting to do this with subprocess ... is the correct way to do things. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
643 views
1 answer
    I've spent two days trying to understand why I can not get cron to work on my Ubuntu EC2 instance. I' ... solutions? Thanks for your time. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...