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Questions tagged [unix-shell]

130 questions
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remote script execution from local script linux doesn't stop for remote script prompts

script abc.sh is on machine M1 and xyz.sh is on machine M2 script abc.sh: #!/bin/bash ssh -l user1 host.com ./xyz.sh -b1 arg1 -b2 arg2 script xyz has certain user prompts like pwd etc When I execute script bc.sh from machine M1, it keeps looping…
S.Singh
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How to compare timestamp of same file residing in two diff directories

I have a requirement like following: I have two dir: DIR1 and DIR2. Files of DIR1 are updated on a regular basis based on requirement. Then updated files are copied to DIR2. So I need to write a shell script which will tell us whether all the files…
Prasenjit Patra
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How to run a program inside chroot with stdin/stdout available to caller?

Is there a way to run a program in a chroot while still having access to stdin/stdout? My first attempt was a shell script: /usr/local/bin/real-app: -------- #!/bin/bash chroot /var/lib/app-root /usr/bin/app $* Then symlinked it where things…
Mark Renouf
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Moving files between hosts using intermediate storage area

Is there any good existing solution for moving files from host A to host C, using host B a an passive intermediate storage area. A -> B -> C Limitations Host A and host C are on separate networks and can not access each other. No tunnels can be…
error
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Can I trust that every Debian-derived distro will have a 'base-files' package that contains '/etc/debian_version'?

What I want is a quick, reliable command to ascertain that the Linux I'm running in is Debian-based. The following command seems to work. It also returns the Debian version: dpkg -L base-files 2>/dev/null | grep '^/etc/debian_version$' >/dev/null…
JCCyC
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Executing command remotely on another linux server from a shell script

I have a shell-script which extract details from a log file between two dates and executes a command on the output to generate some report.The log files are on different server and scripts are executed on different server. the Script looks like : …
anand
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removing duplicate lines from file with grep

I want to remove all lines where the second column is 05408736032. 0009300|05408736032|89|01|001|0|0|0|1|NNNNNNYNNNNNNNNN|asdf| 0009367|05408736032|89|01|001|0|0|0|1|NNNNNNYNNNNNNNNN|adff|
user5967
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unable to run the script in linux using plink

I'm unable to run a script in linux using plink.exe. I'm using my user x to login and script is under y user, which I need to sudo to y and run it. I was able to at command prompt manually but not through script (for automation). plink.exe -v -t -l…
sagar
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Fix Solaris 11 GNU tools location for RVM

I am trying to install RVM on a Solaris 11 system, the curl -sSL https://get.rvm.io | bash -s stable went through, but when I actually try to use rvm, it simply stats "ERROR: Missing GNU tools: grep which awk cp date find sed tail tar xargs. Make…
Metaphox
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redirect command executed along with output shell

I would like to redirect the command executed along with the output to a file. for example: #ls >ls_out.txt ls_out.txt should be something like : ls file1 fil2 Thanks!
kumar
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Check processor status- check processor/cpu status and failed/off status

I want to Check processor status- check processor/cpu status and failed/off status so for that I used command prtdiag and want to fetch the cpu status only from that. how can i do that?
user2189689
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I want to save events or logs grabbed using Inotify to a file

I need your help - using Inotify I am watching a directory for the changes like create, delete, rename and move. I want these event to be logged in a file and I want to run Inotify as a service.
user156267
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How to secure svn+ssh checkout users?

All our SVN repositories are hosted on a dedicated machine on which all the developers have access. Every now and then we need to checkout a repository on a machine we don't own or operate ourselves. Currently we all use our own system (SSH) account…
user99559
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Chars referenced by octal values in *NIX shell scripts -- getting them to be parsed?

I have a script which absolutely 100% _has_ to be done in this ridiculous fashion: echo $'\150\151\073\145\143\150\157' $'\171\141\171' (unencoded: echo hi;echo yay) The problem is that everything after the echo is assumed to be an argument, so the…
Jim
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Shell command to find and file the last modified file in a certain directory

I want to create an alias that displays the latest log in a certain directory - something like: ls -lat *log* | tail -1 | less The above command does not work as the output of the ls -lat command does not produce a single final name but a full list…
RonK
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