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• Advanced merge directory tree with cp in Linux

  - by mtt

  I need to: Copy all of a tree's folders (with all files, including hidden) under /sourcefolder/* preserving user privileges to /destfolder/ If there is a conflict with a file (a file with the same name exists in destfolder), then rename file in destfolder with a standard rule, like add "old" prefix to filename (readme.txt will become oldreadme.txt) copy the conflicted file from source to destination Conflicts between folders should be transparent - if same directory exists in both sourcefolder and destfolder, then preserve it and recursively copy its content according to the above rules. I need also a .txt report that describes all files/folders added to destfolder and files that were renamed. How can I accomplish this?

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• Release/Renew IP Address via Terminal in OS X

  - by Rupert

  I am looking to release and renew my IP address in OS X 10.4 using Terminal. Essentially, I need the OS X equivalent of Windows: C:\ ipconfig /release C:\ ipconfig /renew However, I need the interface to remain active during this process, so using ifconfig down/up will not work. I believe I can clear the IP with ifconfig delete but I'm not sure how to get the dhcp client to reassign the address. An article from 2002 suggests using set dhcp but Apple's ifconfig man page does not include this information.

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• Configure GNU screen so that it stores command histories in files

  - by user65950

  I would like to configure GNU screen such that it stores the command histories of all the different windows in different files. I know by default GNU screen does not store the command histories (of its different windows) in a file at all (it stores them in memory instead), but it might be possible to tell it to store them in files instead? The different command history files should have the names <session>.<window>.history, or similar. Does anyone have an idea how to do that? (Just to be clear, I want each GNU screen window to write a different file. I like that each window has a different history, and I typically run different types of commands in the different windows.)

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• How do I measure or track the progress of a command on a GNU distro?

  - by Felipe Alvarez

  If I run cp file1 file2 I'd like to be able to track it's progress. Is there a command I can use for this? rsync --progress has this, but is there something generic, usable for "any" command?

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• Insert escaped characters in seq command separator

  - by dhekir

  How do I insert a string containing escaped characters (\n, \t, etc) as separator for the seq command? The standard format includes a newline character: $ seq 3 1 2 3 But if I try to add something plus a newline, the backslash is escaped and a literal "\n" is used instead: $ seq -s "$\n" 3 1\n2\n3 The same happens using simple quotes, no quotes, or other escaped characters: $ seq -s "\t" 3 1\t2\t3 $ seq -s \t 3 1t2t3 This is not the standard behavior for commands such as echo, so I'm a bit confused here... Edit: Ideally, I'd like a somewhat portable solution (that works in tsch as well as bash, for instance), and without resorting to Perl or other languages.

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• powershell run java process problem

  - by Limited Atonement

  Dear Sirs, I'm trying to run a java process via Powershell in Windows XP. Here's the command: java.exe -cp .;./common.jar -Dcontext=atest1 -Dresourcepath=. DW_Install So, the classpath is . and .\common.jar (I think java takes the wrong slashes, right?) There are two environment variables, one "atest1" the other "." and the class to execute main on is DW_Install (in the default package). This command works in cmd.exe, but doesn't is PS. What's going on? What is PS doing while parsing this command that CMD doesn't do (or vice versa)? Aaron

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• Renaming dates under windows cmd

  - by ldigas

  I have a bunch of directories (folders, if you like) that follow this pattern \20121022 Description of the directory's contents goes here\ (some don't have it, just the date) and I need to rename them to follow the following pattern \2012-10-22 Description of the directory's contents ...\ Is there a way to do it using Windows cmd and the tools that come with it (namely, ren)? If not, what would be the most portable way to do it? I have a very restricted set of privileges on the machine I'm doing this on.

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• How do I change colors on-the-fly in mintty?

  - by Thomas L Holaday

  How do I change the colors in a Cygwin mintty session which is already open? Is it possible? Use case: Under environment-imposed time constraints, multiple terminal windows have been opened without forethought. In order to reduce the risk of typing the commands for system A into the terminal for system B, it would be nice if they were different colors. Is there some escape sequence or whatnot that can change the color scheme for a running session?

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• Unix console becomes inactive after closing vim

  - by gotts

  user@laptop:~$ locate file.ext | xargs vim -p Vim: Warning: Input is not from a terminal 2 files to edit user@laptop:~$ After finding files and modifying them in vim I want to save them and continue to work in unix console but I can't do that. After vim close console just halts. No activity on any keypress. The only workaround is to close console tab and create a new one. How can I solve this problem?

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• Apple: Bind a key to a commandline command?

  - by Stefan Lasiewski

  I have a Mac Powerbook running Leopard (10.5.8). Does Leopard provide an easy way to bind keys to commands which are typically run on the commandline? For example, I can open up Terminal.app and run the command /System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine which will activate the screensaver and lock my screen. What if I want to bind 'Apple-key L' to this command and execute this globally, regardless of which application is in use at the moment? Can I do this, or can I only run ScreenSaverEngine from a Terminal window? I tried to set up global keyboard shortcuts, but it seems that this won't allow me to bind a key to an arbitrary shell command: Note: You can create keyboard shortcuts only for existing menu commands. You cannot define keyboard shortcuts for general purpose tasks such as opening an application or switching between applications. I tried to set up a application keyboard shortcut, but commands like ScreenSaverEngine don't seem to be an application. Note that this Screensaver/Lock screen is just one example. I have come across other nifty commands which I might want to bind to a key-combination as well. I can do this in Gnome and Windows (with varying success). How about with Leopard?

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• Using ROBOCOPY to MOVE data around, not copy it

  - by Nate Bross

  I have the following powershell script, which executes a few robocopy commands: ROBOCOPY.exe $q3 $q4 /R:5 /W:15 /S /NP /MT:32 /XA:SH /XJD ROBOCOPY.exe $q2 $q3 /R:5 /W:15 /S /NP /MT:32 /XA:SH /XJD ROBOCOPY.exe $q1 $q2 /R:5 /W:15 /S /NP /MT:32 /XA:SH /XJD ROBOCOPY.exe $src $q1 /R:5 /W:15 /S /NP /MT:32 /XA:SH /XJD This works fine, but it takes a really long time, I'm wondering, if there is a way that I can have robocopy do a "cut + paste" instead of a "copy + paste" so windows will move the NTFS pointer to the file, instead of actually copying all of the bits of each file?

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• ec2 LAMP REDhat distro change mysql password error

  - by t q

  i am on ec2 plain linux and wish to change my mySQL password ive tried: sudo mysqladmin -u root -p '***old***' password '***new****' then it prompts me to enter password then i enter ***old*** but i keep getting an error message mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: YES)' question: how do i change my current password?

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• How to recursively move all files (including hidden) in a subfolder into a parent folder in *nix?

  - by deadprogrammer

  This is a bit of an embarrassing question, but I have to admit that this late in my career I still have questions about the mv command. I frequently have this problem: I need to move all files recursively up one level. Let's say I have folder foo, and a folder bar inside it. Bar has a mess of files and folders, including dot files and folders. How do I move everything in bar to the foo level? If foo is empty, I simply move bar one level above, delete foo and rename bar into foo. Part of the problem is that I can't figure out what mv's wildcard for "everything including dots" is. A part of this question is this - is there an in-depth discussion of the wildcards that cp and mv commands use somewhere (googling this only brings very basic tutorials).

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• Localhost not recognized

  - by coffeeaddict

  For some reason my localhost is not recognized. I have this in my hosts file as I've always had: 127.0.0.1 localhost ::1 localhost I did do a flushdns, not sure if that caused it. Then I tried a /registerdns in the command prompt. I still have the same issue.

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• How to quickly save what is currently shown in cmd.exe to a file

  - by Zeiga

  I am asking if there is a quick way/command to save the current standard output from cmd.exe or powershell to a file. For example, I have run a bunch of commands in cmd.exe which generating like hundreds of lines of standard output. Ideally, I am looking for a single command to do "select all" and save to a file automatically. Note: I've read this. But I don't want to change my original commands, so "" or "" redirection cannot be used in this scenario. Thanks.

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• .gitignore, hidden file

  - by Tonja

  I have some problems with the hidden files. I can see a file in cmd (it is a .gitignore file), but I cannot see it when I open it normally in a folder. I have changed alredy an option to see all hidden files. And I cannot see it as well in a git command prompt. What should I do to be able to see it? Thanks. PS. I can see it normally in a folder BUT it has no name. When I click on this file's settings it shows me: Datatype: Textdocument(.gitignore) Is it normal`?

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• marking text in Windows 7's command prompt

  - by Jonathan

  I use Windows 7's command prompt (cmd.exe) for various tasks. In order to copy text from it, I right click and choose Mark, and then mark the text I want to copy. Sometimes while doing this, the marking doesn't stick. The minute I release the left mouse button after marking the text, the marking disappears. This has happened on every Windows 7 installation I've ever installed. How do I solve this?

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• Zipping folder with absolute path without keeping tree of folders

  - by Preston

  I am attempting to use the zip -r command to zip a folder which includes two files. I need to pass the absolute path of the folder with two files (/path/to/my/files/), which is causing all of the folders to be zipped with it, where as I only need the last folder (files/) and its contents to be zipped, so that when the file is unzipped, there is only one folder and the two files within it. How can I modify the command to be able to pass the absolute paths in the arguments while keeping only the last folder?

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• How can I automatically change the priority of Javaw.exe when loading Minecraft?

  - by Arch Angel

  I launch Minecraft.exe which invokes Javaw.exe. I wish for Javaw.exe to be running in High priority because Minecraft lags if not. I tried invoking Minecraft.exe with a high priority by doing this: Start "Minecraft" /high "C:\Users\Barrie\Documents\Program Files\Minecraft\Minecraft.exe" This would work if it wasn't for Minecraft loading Javaw.exe. I would love a simple solution - perhaps a command I can put into the batch script - which will change the priority of Javaw.exe after it loads. Edit: I'd like to thank everyone for their response to my issue. I fixed this by executing Minecraft.exe with a batch script then calling an AHK script to change the priority of Javaw.exe.

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• netsh advfirewall firewall

  - by lehn0058

  I am trying to write a script to configure a windows firewall (server 2008 & 2012 only) to adjust certain firewall settings after a machine has been added to a domain. I need to do this because one of the pre-installed programs on these machines we get only has the firewall rules setup for the public and private firewall profile. This script will be pushed out for other admins to use, and some of the machine will be in other languages. The command to change an existing firewall rule is as follows: netsh advfirewall firewall set rule name = "rule name goes here" new profile=domain This command works great. However, I need to do this for about 10 firewall ports AND since the program could be installed on computers with different languages, I can not just pass the name of all of the firewall rules. Is their some way to do this by supplying the port number? Or some way to specify a regular expression so I could use any rule that has a name LIKE 'test'?

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• Diff -b and -w difference

  - by dotancohen

  From the diff manpage: -b, --ignore-space-change ignore changes in the amount of white space -w, --ignore-all-space ignore all white space From this, I infer that the difference between the -b and -w options must be that -b is sensitive to the type of whitespace (tabs vs. spaces). However, that does not seem to be the case: $ diff 1.txt 2.txt 1,3c1,3 < Four spaces, changed to one tab < Eight Spaces, changed to two tabs < Four spaces, changed to two spaces --- > Four spaces, changed to one tab > Eight Spaces, changed to two tabs > Four spaces, changed to two spaces $ diff -b 1.txt 2.txt $ diff -w 1.txt 2.txt $ So, what is the difference between the -b and -w options? Tested with diffutils 3.2 on Kubuntu Linux 13.04.

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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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• Send command through PuTTY automatic login

  - by Arthur

  I am using the following to login automatically to a remote server and then run commands listed in a commands.txt, like this: C:\path to\putty.exe -ssh adreese.ip -l user -pw Password -m C:\Path to\command.txt commands.txt contains the following: wakeonlan -i broadcast adress Macadress However, when I try to do so a new window for PuTTY appears, but it closes and exits instantly after login. As a result, I cannot see the output of the command(s). After a several tests, it appears that the command is not execute , cause my computer doesn't "wake on lan". I don't understand what's going on here ? I cannot use the plink.exe program cause I cannot make connection with public key ( too much distant site for doing all the registration keys in putty ) Can someone help me with this ? Or can i use another program to make ssh connection and send command with script from a windows os? Edit : I also try to make a bash file in the distant server with the same command and execute it from the session like this : C:\path to\putty.exe -ssh adreese.ip -l user -pw Password \home\user\script.sh Ihave the same problem... Need help please : /

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• How can I perform a ping every X minuts and check the response time?

  - by Profete162

  I am currently working in a big company and we have serious latency issues. This is happening in a process control system, and is unacceptable (Open a valve sometimes take 2 minuts before command start) The Network team seems very lazy and I want to check when they say "everything alright on the network". So, I want to create a loop that ping the server and write the result in a text file. I am not a batch expert, but do you think this code is correct to use? @ECHO OFF :LOOPSTART time /T ping xxx.xx.x.x -t >> filename.txt sleep -m 3000 GOTO LOOPSTART

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• How do you close a VMWare Fusion VM Window without shutting it down or suspending it?

  - by Chris

  There are a few parts to this question. The first is: I'm running a virtual machine guest using vmrun and nogui, when I open the VMWare Fusion application, the window library opens but subsequently also opens any window of a running VM. Is there a way to prevent this? Secondly, but related: Once it does pop up or I have that separate VM Window open, is there a way to close the window such that it does not suspend or shutdown the vm i.e. convert it back to nogui mode?

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