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• Use msysgit/"Git for Windows" to navigate Windows shortcuts?

  - by Darthfett

  I use msysgit on Windows to use git, but I often want to navigate through a Windows-style *.lnk shortcut. I typically manage my file structure through Windows' explorer, so using a different type of shortcut (such as creating hard or soft link in git) isn't feasible. How would I navigate through this type of shortcut? For example: PCUser@PCName ~ $ cd Desktop PCUser@PCName ~/Desktop $ ls Scripts.lnk PCUser@PCName ~/Desktop $ cd Scripts.lnk sh.exe": cd: Scripts.lnk: Not a directory Is it possible to change this behavior, so that instead of getting an error, it just goes to the location of the directory? Alternatively, is there a command to get the path in a *.lnk file?

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• Is there a unix command to output time elapsed during a command?

  - by Olivier Lacan

  I love using time to find out how long a command took to execute but when dealing with commands that execute sub-commands internally (and provide output that allows you to tell when each of those sub-commands start running) it would be really great to be able to tell after what number of seconds (or milliseconds) a specific sub-command started running. When I say sub-command, really the only way to distinguish these from the outside is anything printed to standard out. Really this seems like it should be an option to time.

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• How to remove a tagged block of text in a file?

  - by EmpireJones

  How can I remove all instances of tagged blocks of text in a file with sed, grep, or another program? If I have a file which contains: random text // START TEXT internal text // END TEXT more random // START TEXT asdf // END TEXT text how can I remove all blocks of text within the start/end lines, produce the following? random text more random text

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• Can't access Terminal anymore, only shows a cursor

  - by user138304

  I run OS X. Following these directions (Installing MySQL on Mac OS X) I added a file to /usr and the contents were PATH=/usr/local/mysql/bin:$PATH Actually I was trying to get the mysql command to work now I cannot access terminal. All I get is a cursor but no command line. I also cannot find the file I created in the Finder. I used command shift G to find the folder /usr and the file is not there. Edit: I Solved the problem by restarting my computer. I am really not sure what the problem was. I got the idea because Could not open a new pseudo-tty. appeared in my terminal after following slhck directions to remove my .profile file. I then searched google and found this; http://blogs.oreilly.com/digitalmedia/2008/03/fixing-terminal-tty-errors.html. Thanks

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• Avoiding users to corrupt and use a script

  - by EverythingRightPlace

  Is it possible to deny the right to copy files? I have a script which should be executable by others. They are also allowed to read the file (though it would not be a problem to forbid reading). But I don't want the script to be changed and executed. It's not a problem to set those permissions, but one could easily copy, change and run the script. Can this even be avoided? /edit The OS is Red Hat Enterprise Linux Workstation release 6.2 (Santiago).

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• Problems when loop over a series of ssh-ed commands

  - by Jack Medley

  I have a series of server machines which I want to run the same command on. Each command takes hours and (even though I am running the commands using nohup and setting them to run in the background) I have to wait for each to finish before the next starts. Here is roughly how I have set it up: On the host machines: for i in {1..9}; do ssh RemoteMachine${i} ./RunJobs.sh; done Where RunJobs.sh on each remote machine is: source ~/.bash_profile cd AriadneMatching for file in FileDirectory/Input_*; do nohup ./Executable ${file} & done exit Does anyone know of a way such that I dont have to wait for each job to finish before the next starts? Or alternatively a better way of doing this, I have a feeling what I am do is fairly sub-optimal. Cheers, Jack

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• Is there a shortcut to mkdir foo and immediately cd into it?

  - by macek

  This is something I do frequently $ mkdir foo $ cd foo This works as a single command, but it's more keystrokes and saves no time. $ mkdir foo && cd foo Is there a shortcut for this?

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• Linux file copy with ETA?

  - by bobby

  I'm copying a large amount of files between disks. There's approximately 16 GB of data. I'd like to see progress information, and even an estimated time of completion from the command line. Any advice?

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• Do background processes get a SIGHUP when logging off?

  - by Massimo

  This is a followup to this question. I've run some more tests; looks like it really doesn't matter if this is done at the physical console or via SSH, neither does this happen only with SCP; I also tested it with cat /dev/zero > /dev/null. The behaviour is exactly the same: Start a process in the background using & (or put it in background after it's started using CTRL-Z and bg); this is done without using nohup. Log off. Log on again. The process is still there, running happily, and is now a direct child of init. I can confirm both SCP and CAT quits immediately if sent a SIGHUP; I tested this using kill -HUP. So, it really looks like SIGHUP is not sent upon logoff, at least to background processes (can't test with a foreground one for obvious reasons). This happened to me initially with the service console of VMware ESX 3.5 (which is based on RedHat), but I was able to replicate it exactly on CentOS 5.4. The question is, again: shouldn't a SIGHUP be sent to processes, even if they're running in background, upon logging off? Why is this not happening? Edit I checked with strace, as per Kyle's answer. As I was expecting, the process doesn't get any signal when logging off from the shell where it was launched. This happens both when using the server's console and via SSH.

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• cut text from each line in a txt file

  - by bboyreason

  i have a text file where each line looks like this: <img border=0 width=555 height=555 src=http://websitelinkimagelinkhere> each line is like that for like 1500 lines, i want to sort of 'grep' (i dont think that will work because it returns the whole line) each line for 'http://websiteimagelinkhere' output file should have newlines or tabs after each image link, like the original file. or if someone only knows a way to do this with each element being in a cell of the same column that would be okay too.

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• UDISKS instead of HAL

  - by MeJ

  Does anybody have some expirence with udisks, because HAL won't be longer supported on the most linux distribution, so I am thinking of to use udisks for UDI in $(hal-find-by-property --key storage.bus --string usb) do HAL_TMP=`hal-get-property --udi $UDI --key storage.removable.media_available` if [ "$HAL_TMP" = "true" ]; then HAL_DEV=$(hal-get-property --udi $UDI --key block.device) HAL_SIZE=$(hal-get-property --udi $UDI --key storage.removable.media_size) HAL_TYPE=$(hal-get-property --udi $UDI --key storage.drive_type) How do I have to adapt the above mentioned commands but use udisks instead of hal Thanks!

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• stdout and stderr of script doesn't get redirected when executed by cron

  - by gletscher

  Hi, when I execute ./script &>> log.txt I get a nice logfile, but if I have the same command executed by cron, lets say the crontab looks like this: * * * * * '/home/user/script &>> /home/user/log.txt' the log.txt will just be empty, I tried " and ' and ` and no ticks to enclose the command, any idea why the streams won't get written into the file?

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• trouble using a scheduled task to run a shell script (ubuntu linux)

  - by John Kube

  I'm trying to create a scheduled task that runs a shell script recurrently, and I'm having some trouble getting it to work. I give it the following command to run every minute: ~/Desktop/foo/my_script But it doesn't ever run. (This command runs the shell script through the terminal no problem.) Any ideas what I'm doing wrong? Thanks!

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• When I type in a nonexistent command my machine hangs up?

  - by Nick Brooks

  When I type in a nonexistent command it says "Command not found." and then waits for about 5 seconds before showing the prompt again. How do I fix that?

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• Diff and ignore lines missing in one file

  - by Millianz

  I want to diff two files and ignore lines that are present in one file but missing in the other. For example File1: foo bar baz bat File2: foo ball bat I'm currently running the following diff command diff File1 File2 --changed-group-format='%>' --unchanged-group-format='' Which in this case would produce bar baz as the output, i.e. only missing or conflicting lines. I would like to only print conflicting lines, i.e. ignore cases where one line is missing from File2 and is present in File1 (not the other way around). Is there any way to do something like this using diff or do I have to resort to other tools? If so, what would you recommend?

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• `adduser [options] user group` fails ubuntu 11.04

  - by Rob

  I'm want to use adduser However it doesn't seem to work if I provide the second argument for the user's group root@a:~# adduser rick staff adduser: The user `rick' does not exist. The group exists root@a:~# addgroup staff addgroup: The group `staff' already exists. The man page says this should work... adduser [options] user group Any ideas? I can do: adduser --ingroup staff rick So no massive issue, just seems strange.

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• How do I see du in GB instead of MB in linux?

  - by apache

  This works: du -cshm . But this fails: du -cshg . How can I see it in unit of GB?

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• Tab Auto-Completion in Mac OS X when using sftp in terminal

  - by AlanTuring

  i have been getting very frustrated lately since the readline functionality has been removed from MacOSX and Tab Auto-Completion doesn't work anymore. So i was wondering if anyone knew a good alternative to use that i could install so i can tab auto-complete files when sftp'd in. I heard that with-readline is a good option for this. If so, how do i get an alias sftp = with-readline sftp to work? I would like to do the same with any other option that isn't with-readline, so i don't have to assign an alias each time i set up a session. I am using Mac OS X 10.8(Mountain Lion) with Homebrew installed. Thanks in advance to anyone who can help me.

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• Rename a group of files with one command.

  - by Richard Hoskins

  If I have a group of files with a .htm extention, how can I rename them all to .html? mv *.htm *.html does not work.

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• How do I log out of gdm from the command line?

  - by Will

  How do you log out in the most recent version of Ubuntu from a local terminal?

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• log execution of certain commands on linux

  - by jlsksr

  I have to maintain a system (debian) on which several users are allowed to install programs - so I would like to log, for example, if anyone executes "apt-get install" or "apt-get purge", so I can keep track of manually installed packages.. I'm looking for a general way to achieve this; it's not just APT, but several programs/scripts etc. Any ideas? /edit a google-search with few different keywords brought up this: http://serverfault.com/questions/201221/how-to-log-every-linux-command-to-a-logserver http://stackoverflow.com/questions/15698590/how-to-capture-all-the-commands-typed-in-unix-linux-by-any-user http://sourceforge.net/projects/rootsh/

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• Passing the output of the last command to sed as an argument

  - by neurolysis

  Hi, Basically, I'm wanting to automate adding something to xorg.conf in the right place, I've used some commands to get the line number of the line I want to manipulate, but I'm not really sure how to go about passing this line number (as an argument and NOT something to be manipulated) to sed. I have been told about xargs and looked at the docs on it, but after some reading and experimentation I can't seem to get it to work. In case anyone can think of a better method entirely, the process I want to automate is just finding the line containing both "Identifier" and "Monitor0" (there will only be one) and adding a line below it. The problem with just finding Monitor0 and manipulating that line is that there are multiple lines with Monitor0 in. I've got this far: fgrep -n "Monitor0" </etc/X11/xorg.conf | fgrep "Identifier" | cut -f1 -d: This gives out the line number which I'm wanting to pass to sed, but I'm not really sure how to do it. ...or is there a simpler way which I'm not seeing? Thanks. :)

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• using "touch" to create directories?

  - by user66732

  1) in the "A" directory: find . -type f a.txt 2) in the "B" directory: cat a.txt | while read FILENAMES; do touch "$FILENAMES"; done 3) Result: the 2) "creates the files" [i mean only with the same filename, but with 0 Byte size] ok. But if there are subdirs in the "A" directory, then the 2) can't create the files in the subdir, because there are no directories in it. Question: is there a way, that "touch" can create directories?

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• using "touch" to create directories?

  - by user62367

  1) in the "A" directory: find . -type f a.txt 2) in the "B" directory: cat a.txt | while read FILENAMES; do touch "$FILENAMES"; done 3) Result: the 2) "creates the files" [i mean only with the same filename, but with 0 Byte size] ok. But if there are subdirs in the "A" directory, then the 2) can't create the files in the subdir, because there are no directories in it. Question: is there a way, that "touch" can create directories?

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• Using watch with pipes

  - by Tom

  Hi! I'd like to run this command: watch -n 1 tail -n 200 log/site_dev.log | grep Doctrine But it does not run, because "I think" that the grep tries to run on the watch instead of the tail... Is there a way to do something like watch -n 1 (tail -n 200 log/site_dev.log | grep Doctrine) Thanks a lot!

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