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  • Why ~/.bash_profile is not getting sourced when opening a terminal in Ubuntu 11.04?

    - by Viriato
    Problem I have an Ubuntu 11.04 Virtual Machine and I wanted to set up my Java development environment. I did as follows sudo apt-get install openjdk-6-jdk Added the following entries to ~/.bash_profile export JAVA_HOME=/usr/lib/jvm/java-6-openjdk export PATH=$PATH:$JAVA_HOME/bin Save the changes and exit Open up a terminal again and typed the following echo $JAVA_HOME (blank) echo $PATH (displayed, but not the JAVA_HOME value) Nothing happened, like if the export of JAVA_HOME and it's addition to the PATH were never done. Solution I had to go to ~/.bashrc and add the following entry towards the end of file #Source bash_profile to set JAVA_HOME and add it to the PATH because for some reason is not being picked up . ~/.bash_profile Questions Why did I have to do that? I thought bash_profile, bash_login or profile in absence of those two get executed first before bashrc. Was in this case my terminal a non-login shell? If so, why when doing su after the terminal and putting the password it did not execute profile where I had also set the exports mentioned above?

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  • How to copy files via terminal?

    - by Levan
    This might sound silly for some people but I'm new to Linux and don't know how to use it as good as other people, yes I rad about copying files with terminal but these examples will help me a lot. So here is what I want to do: Examples: I have a file in /home/levan/kdenlive untitelds.mpg and I want to copy this file to /media/sda3/SkyDrive and do not want to delete any thing in SkyDrive directory. I have a file in /media/sda3/SkyDrive untitelds.mpg and I want to copy this file to /home/levan/kdenlive and do not want to delete any thing in kdenlive directory I want to copy a folder from home directory to sda3 and do not want to delete any thing on sda3 directory and opposite I want to cut a folder/file and copy to other place without deleting files in that directory I cut it into.

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  • What has 'rm -r ~' done to my home directory?

    - by GUI Junkie
    gedit creates hidden backup files ending with '~'. I wanted to do a recursive cleanup of my directory tree. The command rm *~ will delete all local files ending with '~' I thought rm -r *~ . would delete all files in the whole tree, but I typo-ed rm -r ~. There was a message some directory could not be deleted and I quit the command. The question is: What have I been deleting? I did notice that my Filezilla configuration was gone. Does this command delete all hidden directories from the home dir?

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  • When is it appropriate to use colour in a command-line application?

    - by marcoms
    Currently I have a command-line application in C called btcwatch. It has a -C option that it can receive as an argument that compares the current price of Bitcoin with a price that was stored beforehand with -S. Example output with this option is: $ btcwatch -vC # -v = verbose buy: UP $ 32.000000 USD (100.000000 -> 132.000000) sell: UP $ 16.000000 USD (100.000000 -> 116.000000) The dilemma is whether to use colour for the UP or DOWN string (green and red, respectively). Most command-line applications I know of (apart from git) stay away from colour in their output. In my desire for btcwatch to look and be quite "standard" (use of getopt, Makefiles, etc), I'm not sure if colour would look out of place in this situation.

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  • Open Terminal with multiple tabs and execute application

    - by user172001
    I am new to linux shell scripting. I want to write a shell script which will open terminal with multiple tabs; it should run rtsp client app in each tab. For this, I have gone through question here in this forum and tried to code like bellow, tab="--tab-with-profile=Default -e " cmd="java RunRTSPClient" for i in 1 2 3 4 5 do # foo="$foo $tab $cmd" done gnome-terminal $foo exit 0 This is running and opens the terminal window with tabs but suddenly it will close. I am not getting any errors.

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  • Installing a directory with a Debian Package

    - by Meisie
    Hi guys I want to create a Debian Package that installs a bunch of Folders to a system but I can't get it working. The Package gets created without any errors and lintian also says it's okay but installing does nothing. The rules file looks like this: <#>!/usr/bin/make -f logs = $(CURDIR)/shell_logs/ DEST1 = /opt/Pacetutor/ build: build-stamp build-stamp: dh_testdir touch build-stam clean: dh_testdir dh_testroot rm -f build-stamp dh_clean install: build clean $(logs) dh_testdir dh_testroot dh_prep dh_installdirs mkdir -m 755 -p $(DEST1) <- this is propably optional or not needed -> cp -r $(logs) $(DEST1) <- using mv works but thats not what I want. -> binary-indep: build install dh_testdir dh_testroot dh_installchangelogs dh_installdocs dh_installexamples dh_installman dh_link dh_compress dh_fixperms dh_installdeb dh_gencontrol dh_md5sums dh_builddeb binary-arch: build install binary: binary-indep binary-arch .PHONY: build clean binary-indep binary-arch binary install

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  • Copying specific subfolders with directory structure to a new folder

    - by Shan
    I have the following directory structure: Main_Dir | ------------------------------ Subdir1 Subdir2 Subdir3 | | | ----------- ---------- --------- | | | | | | | | | fo1 fo2 f03 fo1 fo2 f03 fo1 fo2 f03 I want to copy all the subdirectories (Subdir1, Subdir2, Subdir3) to a new folder. But how would I only copy fo1 and fo2 folders to the new place?

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  • Git autocomplete is asking for a password, not sure why

    - by Soldier.moth
    I'm running into an issue with autocomplete using git... I am using ubuntu 12.10 and when I perform the following keystrokes g i t Space Bar Tab I am presented with the error Pseudo-terminal will not be allocated because stdin is not a terminal. and prompted for a password. I am not clear how to go about troubleshooting this error, I have tried uninstalling and reinstalling git to no avail. Screenshot of terminal with error:

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  • read file in shell script

    - by moata_u
    how can i read file in shell script , then assign each line to an variable that i can use later ,,,(am thinking in way to load an default setting from file) i already try : process (){ } FILE='' read -p "Please enter name of default file : " FILE if [ ! -f $FILE ]; then echo "$FILE : does not exists " exit 1 elif [ ! -r $FILE ]; then echo "$FILE : can not read " fi exec 0<"$FILE" n=0 while read -r line do (assign each line to an variable) done

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  • ssh:connection timed out

    - by user1155299
    I am trying the following command on ubuntu ssh [email protected] and I get the following error: ssh: connect to host xx.xx.xxx.xxx port 22: Connection timed out so, I tried the following: telnet xx.xx.xxx.xxx 22xx and I got the following message: Trying xx.xx.xxx.xxx... Connected to xx.xx.xxx.xxx. Escape character is '^]'. SSH-2.0-OpenSSH_5.5 Connection closed by foreign host. Can anyone help me understand what the problem is and how I can fix it.

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  • How to join two command output

    - by UAdapter
    for example I have command that shows how much space folder takes du folder | sort -n it works great, however I would like to have human readable form du -h folder however if I do that than I cannot sort it as numeric. How to join "du folder" and "du -h folder" to see output sorted as "du folder", but with first column from "du -h folder" P.S. this is just an example. this technique might be very useful for me (if its possible)

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  • echo difference between ubuntu and RedHat

    - by arcomber
    I have mostly been experimenting with ubuntu but recently was using a Red Hat Enterprise system and was surprised at a difference I found setting and displaying env variables. In ubuntu I might have an interaction like this: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR i686-linux acomber@mail:~$ echo "$MY_VAR" i686-linux But on RHEL: acomber@mail:~$ export MY_VAR=i686-linux acomber@mail:~$ echo $MY_VAR acomber@mail:~$ echo "$MY_VAR" i686-linux I know this is a ubuntu forum but why the difference? Why do I need to enclose in quotes on RH? There are no spaces in the variable name?

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  • With a username passed to a script, find the user's home directory

    - by Clinton Blackmore
    I am writing a script that gets called when a user logs in and check if a certain folder exists or is a broken symlink. (This is on a Mac OS X system, but the question is purely bash). It is not elegant, and it is not working, but right now it looks like this: #!/bin/bash # Often users have a messed up cache folder -- one that was redirected # but now is just a broken symlink. This script checks to see if # the cache folder is all right, and if not, deletes it # so that the system can recreate it. USERNAME=$3 if [ "$USERNAME" == "" ] ; then echo "This script must be run at login!" >&2 exit 1 fi DIR="~$USERNAME/Library/Caches" cd $DIR || rm $DIR && echo "Removed misdirected Cache folder" && exit 0 echo "Cache folder was fine." The crux of the problem is that the tilde expansion is not working as I'd like. Let us say that I have a user named george, and that his home folder is /a/path/to/georges_home. If, at a shell, I type: cd ~george it takes me to the appropriate directory. If I type: HOME_DIR=~george echo $HOME_DIR It gives me: /a/path/to/georges_home However, if I try to use a variable, it does not work: USERNAME="george" cd ~$USERNAME -bash: cd: ~george: No such file or directory I've tried using quotes and backticks, but can't figure out how to make it expand properly. How do I make this work?

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  • Are my Linux symbolic links acting correctly?

    - by Andy Castles
    Hi all I've been using Linux on and off for the last 15 years and today I came across something in bash that surprised me. Setup the following directory structure: $ cd /tmp $ mkdir /tmp/symlinktest $ mkdir /tmp/symlinktest/dir $ mkdir /tmp/symlinktarget Now create two sym links in symlinktest pointing to symlinktarget: $ cd /tmp/symlinktest $ ln -s ../symlinktarget Asym $ ln -s ../symlinktarget Bsym Now, in bash, the following tab completion does strange things. Type the following: $ cd dir $ cd ../A[TAB] Pressing the tab key above completes the line to: $ cd ../Asym/ as I expected. Now press enter to change into Asym and type: $ cd ../B[TAB] This time pressing the tab key completes the link to: $ cd ../Bsym[space] Note that there is now a space after the Bsym and there is no trailing slash. My question is, why when changing from the physical directory "dir" to Asym it recognises that Asym is a link to a directory, but when changing from one sym link to another, it doesn't recognise that it's a link to a directory? In addition, if I try to create a new file within Asym, I get an error message: $ cd /tmp/symlinktest/Asym $ cat hello > ../Bsym/file.txt -bash: ../Bsym/file.txt: No such file or directory I always thought that symlinks were mostly transparent except to programs that need to manipulate them. Is this normal behaviour? Many thanks, Andy

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  • Vim clobbering scrollback buffer outside of screen

    - by dotancohen
    If I'm not in a screen session, then when exiting Vim I get a bash prompt below the remnants of the VIM window. A side effect of this is that my scrollback buffer is clobbered, especially if I have paged through a long file in VIM. The problem only occurs if I'm not in screen, inside a screen window VIM exits to show the bash prompt and the previous lines just as before. I tried adding sett_ti=t_te= to my .vimrc to fix the problem, but the only effect that it has was to break VIM such that the problem occurs inside screen as well as outside. Thus, I removed the line. For good measure I do have altscreen on in .screenrc. This is on Ubuntu Server 12.04.1 LTS, with Bash 4.2.24, Screen 4.00, and VIM 7.3 (not vim-tiny), accessed over SSH in Cygwin version NT-6.1-WOW64 on a Windows 7 laptop. Thanks. EDIT: Note that in the same Cygwin install I can SSH into a different server (CentOS) and there VIM does not clobber the scrollback buffer. Therefore, I do not suspect a Cygwin issue. The CentOS machine does not have screen installed, and I did not have to add set t_ti= t_te= to .vimrc.

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  • Symlink path can be followed manually, but `cd` returns Permission denied

    - by Ricket
    I am trying to access the directory /usr/software/test/agnostic. There are several symlinks involved in this path. As you can see by the below transcript, I am unable to cd directly to the path, but I can check each step of the way and cd to the symlinked directories until I reach the destination. Why is this? (and how do I fix it?) Ubuntu 12.10, bash > ls /usr/software/test/agnostic ls: cannot access /usr/software/test/agnostic: Permission denied > cd /usr/software/test > cd agnostic bash: cd: agnostic: Permission denied > pwd -P /x/eng/localtest/arch/x86_64-redhat-rhel5 > ls -al | grep agnostic lrwxrwxrwx 1 root root 15 Oct 23 2007 agnostic -> noarch/agnostic > ls -al | grep noarch ... lrwxrwxrwx 1 root root 23 Oct 23 2007 noarch -> /x/eng/localtest/noarch > cd noarch > cd agnostic bash: cd: agnostic: Permission denied > ls -al | grep agnostic lrwxrwxrwx 1 5808 dip 4 Oct 5 2010 agnostic -> main > cd main > ls (correct output of `ls`) > pwd /usr/software/test/noarch/main > pwd -P /x/eng/localtest/noarch/main

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  • Ruby through RVM fails

    - by TheLQ
    In constant battle to install Ruby 1.9.2 on an RPM system (OS is based off of CentOS), I'm trying again with RVM. So once I install it, I then try to use it: [root@quackwall ~]# rvm use 1.9.2 Using /usr/local/rvm/gems/ruby-1.9.2-p136 [root@quackwall ~]# ruby bash: ruby: command not found [root@quackwall ~]# which ruby /usr/bin/which: no ruby in (/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin) Now that's interesting; rvm info says something completely different: [root@quackwall bin]# rvm info ruby-1.9.2-p136: system: uname: "Linux quackwall.highwow.lan 2.6.18-194.8.1.v5 #1 SMP Thu Jul 15 01:14:04 EDT 2010 i686 i686 i386 GNU/Linux" bash: "/bin/bash => GNU bash, version 3.2.25(1)-release (i686-redhat-linux-gnu)" zsh: " => not installed" rvm: version: "rvm 1.2.2 by Wayne E. Seguin ([email protected]) [http://rvm.beginrescueend.com/]" ruby: interpreter: "ruby" version: "1.9.2p136" date: "2010-12-25" platform: "i686-linux" patchlevel: "2010-12-25 revision 30365" full_version: "ruby 1.9.2p136 (2010-12-25 revision 30365) [i686-linux]" homes: gem: "/usr/local/rvm/gems/ruby-1.9.2-p136" ruby: "/usr/local/rvm/rubies/ruby-1.9.2-p136" binaries: ruby: "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/ruby" irb: "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/irb" gem: "/usr/local/rvm/rubies/ruby-1.9.2-p136/bin/gem" rake: "/usr/local/rvm/gems/ruby-1.9.2-p136/bin/rake" environment: PATH: "/usr/local/rvm/gems/ruby-1.9.2-p136/bin:/usr/local/rvm/gems/ruby-1.9.2-p136@global/bin:/usr/local/rvm/rubies/ruby-1.9.2-p136/bin:bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/rvm/bin" GEM_HOME: "/usr/local/rvm/gems/ruby-1.9.2-p136" GEM_PATH: "/usr/local/rvm/gems/ruby-1.9.2-p136:/usr/local/rvm/gems/ruby-1.9.2-p136@global" MY_RUBY_HOME: "/usr/local/rvm/rubies/ruby-1.9.2-p136" IRBRC: "/usr/local/rvm/rubies/ruby-1.9.2-p136/.irbrc" RUBYOPT: "" gemset: "" So I have RVM that says one thing and bash which says another. Any suggestions on how to get this working?

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  • How are these numbers converted to a readable Date/Time string?

    - by duckwizzle
    I have 2 XML files I'm reading - one has a date/time attribute that's readable (ex. May 1, 2010 12:03:14 AM) and the other... not so much (ex. 1272686594492). Both files have the complicated date/time format, but only the newer one has the readable version. I cannot figure out how to make the complicated version readable. Any ideas? The numbers are in the pastbin below. http://pastebin.com/HMLEAGhf Thanks!

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  • Setting a date format in ASP.NET web.config globalization tag?

    - by Jens Ameskamp
    In our web.config I am using the following tag to determine the interface language of an ASP.NET website. <globalization enableClientBasedCulture="true" culture="auto:en-GB" uiCulture="auto:en"/> This works as expected: Client wo request a specific localisation get it, everybody else is happily looking at the en-GB settings. Due to company policy I need to change the date format to the ISO 8601 standard format (YYYY-MM-DD) for everybody. Is this possible at a central place in the web.config or do I need to change this manually in every instance? Addition: Would it be possible to do get this date format when restricting the interface to english? Thanks! =)

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  • Epoch is not epoch if do a new Date(0L). Why ?

    - by Antoine Claval
    My problem is pretty straigtforward explained : if i do this : public class Main { public static void main(String[] args) throws Exception { Date d = new Date(0L ); System.out.println(d); } } I get the following output : Thu Jan 01 01:00:00 CET 1970 According to the doc, i was expecting : Thu Jan 01 00:00:00 CET 1970 I would like was going wrong... EDIT : Indeed, i read the doc too fast. I sould have Thu Jan 01 00:00:00 GMT 1970 So, how can i force the use of GMT, and ignore all local time ?

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  • How does the iPhone SDK Core Data system store date types to sqlite?

    - by Andrew Arrow
    I used core data to do this: NSManagedObjectContext *m = [self managedObjectContext]; Foo *f = (Foo *)[NSEntityDescription insertNewObjectForEntityForName:@"Foo" inManagedObjectContext:m]; f.created_at = [NSDate date]; [m insertObject:f]; NSError *error; [m save:&error]; Where the created_at field is defined as type "Date" in the xcdatamodel. When I export the sql from the sqlite database it created, created_at is defined as type "timestamp" and the values look like: 290902422.72624 Nine digits before the . and then some fraction. What is this format? It's not epoch time and it's not julianday format. Epoch would be: 1269280338.81213 julianday would be: 2455278.236746875 (notice only 7 digits before the . not 9 like I have) How can I convert a number like 290902422.72624 to epoch time? Thanks!

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  • Magic function `bash ` not found

    - by inspectorG4dget
    I have a bunch of simulations that I want to run on a high-performance cluster, on which I should make reservations to get computing time. Since the reservations are bounded by time, I am developing an automation script that I can scp into the cluster and run. This script will then download the relevant simulation files, run them, and upload the results. Part of this automation script is in bash (cp, scp, etc) and the rest is in python. In order to develop this automation, I am using an IPython notebook. So far, I've coded all the python automation stuff in my IPython notebook and am trying to write the bash part of it now. However, it seems that the magic %%bash doesn't work in my IPython notebook. I get the following error when I have this code in my cell: Cell %%bash echo hi Error File "<ipython-input-22-62ec98e35224>", line 3 echo hi ^ SyntaxError: invalid syntax On a whim, I tried this: Cell %%bash print "hi" Error hi ERROR: Magic function `bash` not found. So I tried this with %%system, %%! and %%shell. But none of those work; they all give me the same error. Why is this happening? How can I fix this? Metadata: IPython 0.13.dev Python 2.7.1 Mac OS X Lion

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  • MYSQL: How do I set a date (makedate?) with month, day, and year

    - by chongman
    Hi? I have three columns, y, m, and d (year, month, and day) and want to store this as a date. What function would I use on mySQL to do this? Apparently makedate uses year and day of year (see below), but I have month. I know I can use STR_TO_DATE(str,format), by constructing the string from (y,m,d), but I would guess there is an easier way to do it. REFERENCES MAKEDATE(year,dayofyear) Returns a date, given year and day-of-year values. dayofyear must be greater than 0 or the result is NULL.

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