A shell is software that lets users interact with the operating system, usually by typing at a command-line.

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3
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1answer
46 views

Script SSH Interactive Console that needs escaped chars

I would like to modify my existing SSH connection via a shell script. So if I run an existing script remotely I would like it to open a new port to be tunnelled. Interactively I can do this via: ...
3
votes
1answer
1k views

How can I run an AppleScript or shell command on Mac OS X at screen unlock?

Note that this is not the same as startup or login. I never log out of my machine and I want to run the script whenever I unlock the machine to start working.
2
votes
1answer
37 views

How to set different shell prompt color for each newly opened terminal

I am using Ubuntu and can manually change the bash shell prompt color to green using export PS1="\e[0;32m[\u@\h \W]\$ \e[m" However, I want the shell prompt color to automatically change whenever I ...
2
votes
1answer
53 views

Special equal character with sed from shell

My environment: I am working with the command interpreter on Windows. I use an sh.exe that came with some proprietary tools I have installed. I do not know the details of that sh.exe but here is ...
2
votes
1answer
25 views

Various environments and weird less behaviour

I am playing with I/O redirection and have problem with less behaving differently in two environments. Both environments are Solaris-based and are of the same version. I am executing program in two ...
2
votes
1answer
100 views

Standard utility to write stdin to a file with no stdout?

I have two cases where I want to create a file with its contents supplied on standard input: I need to use sudo to have the privileges to create a file. An application always invokes an (interactive)...
2
votes
1answer
229 views

What's the difference between dd and cat for writing image files?

When writing image files to disk or to a USB stick, the instructions usually use dd, like this: dd if=myimage.img of=/dev/sdb How is this different from, say: cat myimage.img > /dev/sdb I ...
2
votes
1answer
78 views

Execute command after broken SSH connection

Is there a way to execute a command after an SSH connection is broken (blackout etc.)? When I normally log off I can just use .bash_logout but I don't know what to do when my connection breaks.
2
votes
1answer
57 views

My host offers SFTP only, not SSH. Can I still use private key authentication? i.e., does SFTP use SSH implicitly?

I'm using WP Engine as my host. They are a managed host and they never offer shell access. However, they do allow setup of SFTP accounts. My (limited) understanding is that SFTP still uses an SSH ...
2
votes
1answer
37 views

Wrapping `time` (and similar keywords) in call from another script

I have a Bash script (let's call it clock) which should work as a wrapper similar to the time keyword in Bash, e.g. clock ls should do something and then run ls. Here is an example of this script: #!/...
2
votes
1answer
464 views

Is there a Unicode-aware LC_COLLATE sort order which respects punctuation?

As far as I can tell, setting the environment variable LC_COLLATE=en_US.utf8 changes four things compared to LC_COLLATE=c, regarding how programs like ls will sort files: Unicode characters are ...
2
votes
1answer
136 views

In bash 4.3.27 “su” ignores user variables when combining “-” with “-c command”?

Since forever we used to launch user scripts from a different user crontab like this: 00 12 * * 1 su - user2 -c "/home/user2/myscript.sh" By doing this, the script is launched after the interactive ...
0
votes
0answers
47 views

Wget which stops when it has a download limit

I have over 200 wget in screens on my server. I set a download limit in each low wget: --limit-rate=1K. The only problem is that after one hundred seconds, he considers as a finished one, so this ...
0
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0answers
22 views

Configure a default shell script environment

Is there any way to change the default environment when running sh -c <command>? It appears that .cshrc is not called when running command with a -c flag.
0
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0answers
49 views

appying dos2unix on all files under folder

I am trying to appply dos2unix on all files. find $WORKSPACE/itrp-sr -type f -exec unix2dos.exe {} \; but is resulting in an error 1 [main] find 3468 fork: child -1 - forked process 4524 died ...
0
votes
0answers
36 views

Staret managed server using Jenkins

I am trying to start web-logic managed server from Linux system. for that I have one shell script start_wls_managed4_btwnpmd01.sh with following code. /folder-name1/folder-name2/bin/...
0
votes
0answers
237 views

Run script on SSH login to server

I'm trying to work out how to get SSH to run a script before passing a shell to me. The reason for this is that I will be logging into shared users on many boxes and I want my own configuration when I ...
0
votes
0answers
345 views

adb shell dumsys cpuinfo

DUMP OF SERVICE cpuinfo: Load: 9.39 / 19.22 / 14.77 CPU usage from 13119ms to 6195ms ago: **25%** 5442/com.gameloft.android.ANMP.GloftA8CN: **17% user + 8.3% kernel** / faults: 39 minor **21%** ...
0
votes
0answers
21 views

How to revoke myself rights to write files outside current directory?

I want to make sure commands that I run from my shell cannot damage my files above starting directory. For example, this command should fail: cd ~/ && rm -rf *. Supporting links, mount points ...
0
votes
0answers
66 views

Kill browser tabs with Bash from younger to older

Hello i want to kill tabs from a browser(ex. chromium) by order from youngest to oldest. I used pkill -f -n -9 chromium but i want to use it in a while iteration with comparison to pkill's return ...
0
votes
0answers
39 views

Batch arguments for SSH Secure Shell in Windows 7?

I installed SSH Secure Shell to connect to my remote server, and I want to automate the process of updating my website. I was going to make a batch script to automatically push and pull from my site ...
0
votes
0answers
134 views

ffmpeg - how to see what scaling algorithm is used

I'm upscaling a 200x200 video to 400x400 using the -sws_flags scaling option to set the scaling algorithm. Now, I can't tell by the console output if some algorithm was used, neither by the looks of ...
0
votes
0answers
59 views

path setting appears twice in env output

After an OS version upgrade I have the following strange problem: % port MacPorts 2.3.1 ... % sudo -i # port MacPorts 2.3.1 % sudo port sudo: port: command not found Furthermore, if I do it all ...
0
votes
0answers
374 views

mc-wrapper does not exit to MC_PWD directory

I recently installed openSUSE 13.1 and set up the mc in typical why by aliasing mc with mc-wrapper.sh to have it exit into the last working directory in mc instance. However this does not seem to be ...
0
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0answers
147 views

is the chromebook developer mode shell a fully capable linux shell

I have enabled developer mode on my chromebook. Is the command line shell a fully implemented linux shell? Would there be any point in installing something like ubuntu?
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32 views

How to prevent MacVim from inherenting .profile as if it was Bash itself?

I have this guard in my .profile: if [ -n "$BASH_VERSION" ]; then if [ -f "$HOME/.bashrc" ]; then . "$HOME/.bashrc" fi if [ -f "$HOME/.bash_aliases" ]; then . "$HOME/....
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votes
0answers
94 views

Autoexport bash internal variables

I need to access to some bash internal variables (BASH_LINENO, BASH_SOURCE) from a command invoked by a shell script. The only possible interface between my command and the script are environment ...
0
votes
0answers
140 views

Specific command not recognized in only one shell

I'm running Windows7 as OS as my development machine. It has various Shells: cmd Powershell Mysysgit GNU Bash <-- this is the one not working PuppetLabs Shell Nodejs Shell PHPStorm built in ...
0
votes
0answers
561 views

Unable to run tmux on OS X

So I got brew on my mac and I had tmux installed and running just fine. Then after I refreshed my system every time I try to run tmux i get this error: "-bash: tmux: command not found" So since I'm ...
0
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0answers
56 views

open a new screen in linux, no access to perl local library

I added my perl local library to my shell startup script (.bashrc) and when I start a terminal in linux: $ echo $PERL5LIB /home/perl5/lib/perl5:/usr/share/vcftools/perl BUT when I open a new ...
0
votes
0answers
276 views

Only single beep for a series of bells in PuTTY

After typing echo -ne '\a' && echo -ne '\a' in PuTTY session only single beep is being produced on local computer instead of two beeps. What is the reason? In PuTTY settings for this session,...
0
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0answers
98 views

Ubuntu: `env -i bash --norc`, but include essential variables such as HOME, DISPLAY? (where are these set?)

Is there an easy way to isolate a session of bash so that only essential variables (HOME, USER, DISPLAY, etc.) are preserved? (essential in that many programs fail if HOME, DISPLAY, TERM, SHELL, etc. ...
0
votes
0answers
347 views

Cygwin can't execute Shell script

I am trying to execute a Shell script using Cygwin. When I type this in the Cygwin terminal: sh build-native.sh I get this: build-native.sh: line 2: ndk-build: command not found It's a script ...
0
votes
0answers
43 views

What is wrong with this configuration of sudoers file?

I have to execute a shell script as another user, but without be prompted for password. I've edited the etc/sudoers file with visudo, adding the following line. _www localhost=(otheruser) NOPASSWD:/...
0
votes
0answers
131 views

libssh vs alternative root users

Here is an excerpt of the /etc/passwd file on a remote machine. root:x:0:0:root:/root:/bin/bash valid:x:0:0::/home/valid:/bin/rbash As you can see, valid is an alternative name for root. I can ...
0
votes
0answers
189 views

autologin to root user with .cshrc

How do we cause login cshell to automatically execute sudo su - when a user first ssh into the linux box from Windows putty ? We tried putting this line sudo su - in .cshrc file but it is never ...
0
votes
0answers
90 views

script on a remote machine that archive files fails

I have a simple script (Given below) on a machine that collect files from several folders into a single one and then archive it. The script works as expected on the remote machine. When I run it via ...
0
votes
0answers
26 views

Different behavior from ubuntu server and ubuntu client on windows

#!/bin/bash # Reading cat /home/radiare/Desktop/first.txt | while read LINE do echo $LINE if [ "$LINE" == "false" ]; then echo "Inside first loop" break fi done echo "second file read started" cat ...
0
votes
0answers
611 views

Automation script to SCP from UNIX to Window Server

I'm new to server/Unix trying to transfer file between AIX to Windows I'm trying to create SCP or SFTP script that will run on cron and transfer text file on /usr/apps/11.111.1.11.log file to window ...
0
votes
0answers
110 views

Running different programs via ssh

I got some problem when I tried to run different programs via SSH. The problem is, let's say I have 2 different java programs, then I would like to run them simultaneously on different JVM, in order ...
0
votes
0answers
396 views

terminal with custom command

I am using Linux Mint 13 (Mate). I have edited my mate-terminal profile using custom command as follows mate-terminal --full-screen By mistake i haven't set the default profile to load. So terminal ...
0
votes
0answers
208 views

Analogue of the “tail -f example.log” command in Windows?

Is there a similar command in Windows?
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votes
0answers
255 views

Xubuntu 12.04: Slow Login

I'm running Xubuntu 12.04, and after I ran the update, my login started slowing down big time. I've dabbled a little bit with the programs in Settings -> Settings Manager -> Session and Startup, and ...
0
votes
0answers
42 views

Shell Hotkey to Add File Name to Command

I have forgotten the hotkey to add a filename when using commands such as "cd". For example: cd (hotkey). and each time you press the hotkey, you get the name of one of the files in the current dir ...
0
votes
0answers
78 views

Can someone put some restriction to copy few files from folder by root in linux

I have the backup script where i was making the tar backup of directory everyday. ON friday i note that my filesize was 30MB but beofrethat it was 200MB. I checked the main folder and it was around ...
0
votes
0answers
168 views

Boot directly into application when power is cut

I have an application that I replaced the windows shell with so that windows would boot directly into the app instead of loading the desktop. After doing some testing I found that windows doesn't boot ...
0
votes
0answers
952 views

Shell script to copy a text file from windows machine to linux based device

A linux based navigation device is connected with my windows machine. I want to copy a text file to root of device using shell script from windows machine(through cygwin or putty). please help. ...
0
votes
0answers
773 views

How to recover a directory that was corrupted to a 32kb file?

I am trying to recover a 200 GB directory that was accidentally lost and "converted" to a 32kb file. It was on a FAT32, 500 GB external hard drive. Only this folder got corrupted, on a Windows machine,...
0
votes
0answers
927 views

How to make a Shell Script create a copy and terminate itself?

So far I used trap " call function" 2 fucntion { ./test.sh exit } but it never reaches the exit line and a whole bunch of process piles up any one got any idea? I tried & (bg) but i need to ...
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votes
0answers
28 views

Unable to locate Invisible folders

I have tried to search for X11 folder using locate X11 | grep "X11$" and also using find / -print 2>/dev/null| grep "X11$" but there are many invisible folders in my system as shown in the ...