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• different .bashrc files for different login nodes?

  - by 130490868091234

  Can I have different .bashrc files loading when logging into different nodes that share the same home dir? This is, I am mostly interested to loading different PATH directories when logging as bash, depending on the different Linux nodes I log into? For example, if I log into bash in machine abc-01, I would like to have a given .bashrc loaded, but when I log into abc-02, that uses the same /home/username directory, I would like to use a different .bashrc. How can I go about doing that?

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• cygwin, PATH problem?

  - by jayjaypg22

  I run a .ksh containing a awk call. awk.exe and his shortcut awk is in /bin/awk, /bin is in the PATH environment variable. But when I try to launch awk, I have this error message : bash: /usr/bin/awk: no such file or directory Why didn't bash look for it in the /bin folder too? edit : tar has the same rights, tar.exe is in /bin and can be listed in /usr/bin/, the exact same way than awk. Tar works fine whereas awk not.

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• What's at Risk with Switching to ZSH?

  - by Yar

  Most advice for Mac is written assuming you use the Bash shell. If I switch to zsh, how incompatible do I become with current Bash scripts that I have on my system, and advice people on SU give me? Does the #!/bin/sh line at the beginning of my scripts help?

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• Clearing terminal

  - by sldkjalsdjk

  Hi folks, I would like to issue a command from a bash script to clear the terminal it is running from: -I don't want to clear the bash history (history -c) -I don't want to issue the clear command (which moves the terminal down to the last prompt, giving the impression the terminal has been cleared, but previous output remains visible if you scroll up) -I want to completely remove all previous output to my terminal and have it clean as if I was opening a new one Thanks.

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• cygwin, PATH problem?

  - by jayjaypg22

  I run a .ksh containing a awk call. awk.exe and his shortcut awk is in /bin/awk, /bin is in the PATH environment variable. But when I try to launch awk, I have this error message : bash: /usr/bin/awk: no such file or directory Why didn't bash look for it in the /bin folder too? edit : tar has the same rights, tar.exe is in /bin and can be listed in /usr/bin/, the exact same way than awk. Tar works fine whereas awk not.

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• Ubuntu - Create a link to a specified directory so I can easily change to that directory

  - by Denby

  Is it possible to create a symlink to a directory, like /var/lib/tomcat6/webapps/MyWar that I can access from everywhere? I want to be able to say cd myapp from anywhere in the directory tree and go to that directory. Is it only possible in the directory where I create the symlink? Do I have to update my ~/.bashrc file to include an alias like: alias myapp="cd /var/lib/tomcat6/webapps/MyWar" and then just type myapp from anywhere? What is the best way to handle this situation so I don't always have to type in the long directory? I also want to be able to use that parameter in say a copy command, so the alias wouldn't help in that situation. Hopefully I can do something similar where ~ maps to the home directory in any command.

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• Create samba shortcut from command line

  - by neurolysis

  I'm currently wanting to deploy a setup to around 300 Macs. I have most of it scripted, but I'm having trouble creating a working alias to a samba share from the command line. I tried copying it from one Mac to another, but it loses its status as an alias, and instead OSX opens it in TextEdit. From a hexdump, it also looks like it has machine-specific information. So, say I wanted to create an alias to 'smb://server/share' on the desktop from the command line, how would I do that? I have also tried a tell in AppleScript, but it complained about the syntax (specifically, too many slashes, seemingly taking about smb://). Thanks.

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• Invoking MSYS bash from Windows cmd

  - by daevius

  I'm using GCC on Windows7 (using the TDM's build). I installed MSYS to be able to execute make and compile using makefiles. However, it is tedious to every time start up the MSYS bash shell, navigate to the directory of the project and run make. What I want is to automate this process. I prefer to have a batch file in Windows, or something similar, from which I then invoke the MSYS bash. It should navigate to the directory the batch file resides in and call "make". Is this possible? Can I send commands to MSYS bash from cmd (like navigation / invoking make)? Or can I let the MSYS bash run a "bash script", which sets the commands to be executed much like batch scripts? Thank you. PS: this is something similar as this question: http://stackoverflow.com/questions/2546757/executing-msys-from-cmd-exe-with-arguments

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• remote class alias in air

  - by viv

  Hi in Flex one can easily define the remote class alias like the following: package samples.portfolio { [RemoteClass(alias="flex.samples.marketdata.Stock")] [Bindable] public class Stock { public var symbol:String; public var name:String; public var low:Number; } } But my question is how do you do it in AIR since the client app does not know about the server file structure. Regards,

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• A question about the cobbler-ubuntu-import bash script

  - by user183394

  I have been testing the latest cobbler for PXE booting Ubuntu 12.04.1-server-x86_64 and 12.10-server-x86_64 using a Scentific Linux 6.3 host to run the cobbler server. With the former, I got everything going. But with the later, I haven't been successful. As an attempt to figure things out, I downloaded Ubuntu's cobbler 2.2.2 source package. Examining the content, I soon noticed that Ubuntu's cobbler 2.2.2 came with a cobbler-ubuntu-import bash script. I reviewed the code and spotted something interesting: line 9 of the script states: 9 AUTO_KOPTS='log_host=@@server@@ log_port=514 priority=critical locale=en_US netcfg/choose_interface=auto' But after extensive googling, reading both Debian and Ubuntu's documentation about the debian-installer, I don't see these two kopts log_host and log_port documented anywhere. Putting it in the profile of my current test setup, even my cobbler server host does run rsyslogd, I don't see anything logged either. No, I don't have iptables and selinux on on the cobbler server host. Can anyone point to me where I can read more about these two options? Having the ability to log an installation to a remote central logging host would be really cool.

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• bash terminal/console strange overlapping behavior

  - by UpKey

  I am using gnome-terminal in Ubuntu 11.10 and seem to get long lines overlapping in the terminal window. When I copy a long command line and paste it into the terminal, the text gets overlapped to the start of the line and often covers the user prompt. If I resize the terminal window, making it wider the overlapping gets undone and everything looks normal. In previous versions of Ubuntu, if a line was too long it would continue on the next line below. Another problem I have noticed that may be related, is when using the up arrow key to show previously typed commands, sometimes instead of the output command line being replaced by the previous command each time the key is pressed, the lines get partially merged. A portion of the old line remains, and the next command gets joined onto the end. This leftover part of a command is persistent and does not get replaced next time the key is pressed, although the insertion point or blinking cursor is at the end of the latest recalled command, and the leftover has no effect if I press enter. Is this problem a bug or some setting that needs fixing? Where do I look for the cause? keyboard? gnome-terminal? bash? Thank you for any help or suggestions offered

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• Concatenating several .mp3 files into one .mp3

  - by Bakhtiyor

  As it was suggested here I am using cat command to concatenate several .mp3 files into one .mp3 file. Imagine, I have following .mp3 files in the current folder: 001001.mp3 001002.mp3 001003.mp3 001004.mp3 001005.mp3 or, like this: 096001.mp3 096002.mp3 096003.mp3 096004.mp3 I need to concatenate these .mp3 files in there ascending sequence, i.e. 001001.mp3+001002.mp3+001003.mp3+etc. In order to join these .mp3 files into one I am executing following command in the current folder: cat *.mp3 > final.mp3 I tested the final .mp3 file and it is what I am expected, but I need to be sure that above command picks files in there ascending sequence. Can I be sure that above command always concatenates files in the ascending sequence? Thank you Sir!

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• disable all hotkeys with dconf-editor

  - by Gijs

  I'm building a deb package that will create a kiosk user account. When you login to this account, the browser automatically starts and navigates to a pre-given website. Also all the hotkeys should be disabled except for one you defined. Now I'm at the part that the browser starts and my disable script is excecuted on logon but for exaple, I can still close the browser with Alt + F4. And when i check the dconf-editor for the hotkeys, for every single one the bind is deleted, but mine for close isn't added. Like you can see in the printscreen. I disabled all these keys with this code, one line for evere hotkey gsettings set org.gnome.desktop.wm.keybindings begin-resize [] So this seams to work, but at the bottom of my disable script this line should be executed. gsettings set org.gnome.desktop.wm.keybindings close ['<Alt>b'] Does anyone know why i'm able to unbind all these hotkeys in my dconf-editor but they are able to still do their job? And when it is possible to unbind them, why cant I bind mine? I searched the web for a solution but couldn't find one fitting my needs, I hope some of you know the answer to this. Regards Gijs

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• How to create scripts that create another scripts

  - by sfrj

  I am writing an script that needs to generate another script that will be used to shutdown an appserver... This is how my code looks like: echo "STEP 8: CREATE STOP SCRIPT" stopScriptContent="echo \"STOPING GLASSFISH PLEASE WAIT...\"\n cd glassfish4/bin\n chmod +x asadmin\n ./asadmin stop-domain\n #In order to work it is required that the original folder of glassfish don't contain already any #project, otherwise, there will be a conflict\n" ${stopScriptContent} > stop.sh chmod +x stop.sh But it is not being created correctly, this is how the output stop.sh looks like: "STOPING GLASSFISH PLEASE WAIT..."\n cd glassfish4/bin\n chmod +x asadmin\n ./asadmin stop-domain\n #In order to work it is required that the original folder of glassfish don't contain already any #project, otherwise, there will be a conflict\n As you see, lots of things are wrong: there is no echo command is taking the \n literaly so there is no new line My doubts are: What is the correct way of making an .sh script create another .sh script. What do you thing I am doing wrong?

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• how to rename files with count

  - by nkint

  i have a directory like this: randomized_quad015.png randomized_quad030.png randomized_quad045.png randomized_quad060.png randomized_quad075.png randomized_quad090.png randomized_quad1005.png randomized_quad1020.png randomized_quad1035.png randomized_quad1050.png randomized_quad105.png randomized_quad1065.png randomized_quad1080.png randomized_quad1095.png randomized_quad1110.png randomized_quad1125.png randomized_quad1140.png and i want to rename the first files adding 0 in front of number, like: randomized_quad0015.png but i don't know how.. some help?

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• what is wrong with this easy script

  - by alex

  what is wrong with this easy script? I just want to write an script which change my directory: A. I put below commands on the file witch its name is pathABC on the /home/alex directory, #!/bin/sh cd /home/alex/Documents/A/B/C echo HelloWorld B. also I did chmod +x pathABC , On the terminal when I am on the /home/alex directory, I run ./pathABC . But the output is just HelloWorld and the current directory remains with no change. I mean my directory remains as /home/alex and not go to the /home/alex/Documents/A/B/C. So where is wrong?

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• How to open a file or folder from Terminal

  - by Victor Hugo Souza

  I'd like to know if there is a way to open a file or a folder from terminal? When I wrote a URL LINK in terminal, it's allows me to open that link on my default browser. So I'd like to do the same with my files and folders. I know that there is a way via cli using gnome-open or xdg-open, but I'd like a solution that use mouse by clicking on the path or the url. Eg. When I write "pwd" the path allows me to click and open on Nautilus It's the inverse of what "nautilus-open-terminal" does.

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• how to concatenate two strings in shell script in 3.13.0-34-generic kernel

  - by saikrishna

  I want to concatenate two strings for the shell file im getting error when i have created the shell file in following manner could you please suggest how to get it set export APP_HOME="/home/sfptladmin/ArchivalDaemon" export JAVA_HOME="/usr/lib/jvm/java-7-oracle/jre" export LIBPATH="/home/sfptladmin/ArchivalDaemon/lib" export CPATH=$APP_HOME/conf export CPATH=$CPATH:$LIBPATH/commons-beanutils-core-1.7.0.jar export CPATH=$CPATH:$LIBPATH/commons-collections-3.2.jar export CPATH=$CPATH:$LIBPATH/commons-io-1.4.jar export CPATH=$CPATH:$LIBPATH/commons-lang.jar export CPATH=$CPATH:$LIBPATH/commons-net.jar export CPATH=$CPATH:$LIBPATH/dataloader-27.0.1-uber.jar export CPATH=$CPATH:$LIBPATH/dom4j-1.6.1.jar export CPATH=$CPATH:$LIBPATH/log4j-1.2.15.jar export CPATH=$CPATH:$LIBPATH/opencsv2.3.jar export CPATH=$CPATH:$LIBPATH/poi-3.7.jar export CPATH=$CPATH:$LIBPATH/poi-ooxml-3.7.jar export CPATH=$CPATH:$LIBPATH/poi-ooxml-schemas-3.7.jar export CPATH=$CPATH:$LIBPATH/wsc-23-min.jar export CPATH=$CPATH:$LIBPATH/xmlbeans-2.5.0.jar export CPATH=$CPATH:$LIBPATH/archival-daemon-main.jar export CPATH=$CPATH:$LIBPATH/sbmclasspath.jar export CPATH=$CPATH java -Xms256m -Xmx512m -classpath $CPATH "-Dfile.encoding=UTF-8" com.genpact.proflow.daemon.archival.manager.ArchivalManager echo $CPATH

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• Pgagent startup script (under the postgres user)

  - by Dominique Guardiola

  Hello, I'm trying to make a clean startup script for pgagent I found one here but I don't see how I can change this : if start-stop-daemon --start --quiet --pidfile /var/run/pgagent.pid \ --exec /usr/bin/pgagent "hostaddr=127.0.0.1 dbname=postgres user=postgres \ password=XXXXXXX";then to launch something like this : su - postgres -c /usr/bin/pgagent "hostaddr=127.0.0.1 dbname=postgres user=postgres" in order to avoid to hard-code the PG password in the script. This is possible using the .pgpass file feature. It works when I'm logged under the postgres user. So my only problem left is how to launch this command under the postgres user tried to add --user=postgres in the call, like mentioned here but it does not work.

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• How do I rebuild a corrupt dpkg status file?

  - by Ramón

  Whenever I type sudo apt-get remove and then press the Tab key for auto-completion I get the following message: grep-status: /var/lib/dpkg/status:15945: expected a colon. I don't see anything especially strange at line 15945 in the status file. It's a dot character in the description field of a mono library package and inserting a colon did not help. Removing the line containing the dot did not work either. Overwriting the file with status-old resulted in the same message. Is there some way to rebuild the status file?

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• Script to email files content

  - by Tarun

  I have created a shell script that takes backups everyday and emails its execution as successfull or unsuccessfull. Now I want that it send the contents of log file it creates with the mail as well. I have seen how to send file as attachement but I want to send the contents of the file as email message and not the file. Please Help. Its code is like #Email Settings Message_Success="Database Backup generated successfully" Message_Failure="Problem occured while generating Database Backup please verify" Subject="Database Backup Status Mail" Recipients="[email protected]" #Verify Backup Created if [ -f "$Path_Mysql_Dump" ]; then echo "Database Backup Created" >> $Path_Log_File echo "$Message_Success" | mail -s "$Subject" "$Recipients" else echo "Database Backup not created please verify the process will terminate" >> $Path_Log_File echo "$Message_Failure" | mail -s "$Subject" "$Recipients" exit -1 fi

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• How to find a Window which should be visible on Ubuntu 14.04

  - by Bernard

  In Ubuntu 14.04 I have Keepass2 in my Launchbar. I do execute Keepass and I can see it is executing by a small arrow. With statement : ps - fu bernard | grep keepass2 Also with alt-tab I see Keepass. If I click on the Keepass icon still I am not switched to Keepass. The same happened to me with XAMPP from https://www.apachefriends.org so it seems a general Ubuntu 14.04 problem I execute this in Virtualbox client. If I switch sometimes to other VB client, when I come back the Windows is visible.

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• Library missing for executable file

  - by user1610406

  There's an executable I downloaded onto my Ubuntu 10.04 and I can't run because it's missing a library. I have also tried compiling the source with CMake. This is my Terminal output: zack@zack-laptop:~/Desktop$ ./MultiMC ./MultiMC: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory I think I need libssl 1.0 to run this file, but I'm not sure. Any help?

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• what could cause a script to fail to find python when it has `#!/usr/bin/env python` in the first line?

  - by jcollum

  Trying to get casperjs running on Ubuntu 12.04. After installing it when I run I get: 09:20 $ ll /usr/local/bin/casperjs lrwxrwxrwx 1 root root 26 Nov 6 16:49 /usr/local/bin/casperjs -> /opt/casperjs/bin/casperjs 09:20 $ /usr/bin/env python --version Python 2.7.3 09:20 $ cat /opt/casperjs/bin/casperjs | head -4 #!/usr/bin/env python import os import sys 09:20 $ casperjs : No such file or directory 09: 22 $ python Python 2.7.3 (default, Sep 26 2013, 20:03:06) [GCC 4.6.3] on linux2 So Python is present and runnable, casperjs is pointing to the right place and it is a python script. But when I run it I get "No such file". I can fix it by changing the first line of the casperjs python file from: #!/usr/bin/env python to: #!/usr/bin/python Result: $ casperjs --version 1.1.0-DEV I managed to fix it, but I'm wondering why it didn't work with #!/usr/bin/env python, since that seems to be a normal interpreter line. Do I have something configured wrong? Here are the steps to get casperjs: $ git clone git://github.com/n1k0/casperjs.git $ cd casperjs $ ln -sf `pwd`/bin/casperjs /usr/local/bin/casperjs $ casperjs : No such file or directory

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• How to check the process is already running or not

  - by TechGuru

  I want to check the particular process in already running or not. I refereed this Q&A. But I didn't get any specific solution. Following is the example that I tried: I have created abc.sh file and run this script on background, like sh abc.sh &. Now this file is running on background and I fire the ps aux | grep "abc" command. Following is the output of this command: prakash 3594 0.0 0.0 4388 820 pts/0 S+ 16:44 0:00 grep --color=auto abc After that I stop the abc.sh running script and fire the same command ps aux | grep "abc" command. But I am getting same output like: prakash 3594 0.0 0.0 4388 820 pts/0 S+ 16:44 0:00 grep --color=auto abc Is there any other way to find the process is running or not?

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