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• Accessing large log files on a unix machine with textpad

  - by Jason

  Hi, I'm interested to access large log files on a unix server with textpad. (textpad for history reasons, i personally prefer ofcourse less awk grep etc) but I have many personal who rather be using textpad they have years of experience with it and can tweak it to do whatever they want. The problem is that if i connect for example with winscp to get the log files to textpad it first fetches the full log and user needs to wait and it bloats etc. I would rather the textpad to somehow access the unix machine and get only the relevant segment of the log file (large log files could be GB) anyone knows how can this be achieved?

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• close ssh sessions

  - by egor7

  I'm using ~/.ssh/config for logging to the internal.local corporate server: Host internal.local ProxyCommand ssh -e none corporate.proxy nc %h %p But after closing session (typing exit), my sshd session on server stays still active (I see it through different connection). Hot do I close session or change my config in the appropriate way, to eleminate hang sessions? First check from the second, root session: ps -fu user_name user_name 861 855 0 16:58:16 pts/3 0:00 -bash user_name 855 854 0 16:58:13 ? 0:00 /usr/lib/ssh/sshd After logging out: user_name 855 854 0 16:58:13 ? 0:00 /usr/lib/ssh/sshd Just after scp files to/from the internal.local a new scp sessions still hangs on the server.

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• RUNIT - created first service directory, "sv start testrun" does not work

  - by Veseliq

  I'm pretty new to runit. I installed it on a Ubuntu host. What I did: 1) created a dir testrun in /etc/sv 2) created a script run in /etc/sv/testrun/run, the script content: #! /bin/bash exec /root/FP/annotate-output python /root/FP/test.py | logger -t svtest 3) If I call directly /etc/sv/testrun/run it executes successfully 4) I run sv start testrun (or sv run testrun, sv restart testrun), all of them end up with the same error msg: fail: sv: unable to change to service directory: file does not exist Any ideas what am I doing wrong? I'm new to runit and base all my actions on the information found here: http://smarden.org/runit/

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• Fedora: "Login Incorrect"

  - by darkblackcorner

  I've just set up a minimal install on my netbook (the default was too resource hungry, so I figured I'd customize the install and learn something about linux at the same time!) No problems logging in as root, but when I create a new user and try to login as them I just get the "Login incorrect" error. I'm certain the password is correct, though the secure log displays an authentication error. Am I missing a permission somewhere? useradd test usermod -p [pwd] test Shell is added automatically I think (checking password file says shell is /bin/bash) I've tried adding the user to the sudo-ers group usermod -a -G wheel which doesn't help. I've kept the password simple in order to rule out human error.

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• How do I know I'm running inside a linux "screen" or not?

  - by Jun Chen

  The "screen" refers to a program mentioned in How to reconnect to a disconnected ssh session . That is a good facility. But there is a question I'd really like to know. How do I know whether I'm running inside a "screen"? The difference is: If yes, I know I can safely close current terminal window, e.g., close a PuTTY window, without losing my shell(Bash etc) session. If no, I know I have to take care of any pending works before I close the terminal window. Better, I'd like this status to be displayed in PS1 prompt so that I can see it any time automatically.

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• Launching multiple applications with a single command/script/shortcut

  - by Bill

  I realized a few days ago that every time I sit down at work, I do a few things after unlocking my computer. First, I open up Firefox, then I open up Chrome, then I log in to Digsby. I realized I could probably save repeating this daily by writing a small batch script to open up Firefox and Chrome , but I couldn't figure out how to make it work.. and since the whole effort is to save time I don't want to bash my head around in the windows command prompt to do it. I also tired this in powershell but ran in to a bunch of security nonsense. Is there a way to do this that I am missing? Bonus points if somebody has figured out how to manipulate Digsby via COM , scripting, or python =)

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• Run init.d script in the context of the current user session.

  - by akellehe

  I'd like to run a script in init.d (on Fedora) in the context of the user session I'm logging in as. I have a script called keyboard_deadkeys I wrote to set some deadkeys on my keyboard. The script is very simple: #!/bin/bash /usr/bin/xmodmap /home/julie/keymappings I put it in the directory /etc/init.d so it will run at boot time. It is also in /etc/rc.d/init.d I changed the permissions to a+rwx for good measure. When I boot; the deadkeys aren't set in the user's session. When I then run the script manually; the keys are set. How can I rectify this?

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• Registry settings for disabling autocomplete options in IE8

  - by redphoenix

  I have a script that disables all the autocomplete settings in IE6 and IE7 but with IE8 there are new settings that aren't disabled by the script. The settings are under Tools-Content-AutoComplete-Settings The current registry keys I'm modifying are HKCU\Software\Microsoft\Internet Explorer\Main\FormSuggest Passwords "no" HKCU\Software\Microsoft\Internet Explorer\Main\FormSuggest PW Ask "no" HKCU\Software\Microsoft\Internet Explorer\Main\Use FormSuggest "no" HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete\AutoSuggest "no" The settings that are not unchecked by these keys are Browsing History and Favorites. Does anyone know the registry settings that are associated with these IE settings?

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• How to setup a fake SMTP server to catch all mails?

  - by Richo

  I'm looking for an smtp service that essentially obeys the RFC, except rather than sending mail it simply logs to a file [date] sent mail to <address> Or whatever. I can bash this together with the bare minimum of functionality I need in python in about half an hour I reckon but if there's an existing project that works better I'd rather use that. The reason for needing it is debugging an app that keeps sending 7* the amount of mail it's supposed to. Slightly offtopic, but if there isn't already such a project, and I write it, is this something other people would use? If I publish the source will it get used? EDIT: And already asked: http://stackoverflow.com/questions/1006650/dummy-smtp-server-for-testing-apps-that-send-email

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• Mac OS 10.7 Missing Java Completely

  - by Stuartsoft

  I'm in dire straights. I was trying to replace my java JDK and downgrade to 1.6 and somehow managed to completely screw up all the previous versions in the process. Bottom line, my Mac has no JDK installed at all. I've tried reinstalling java 1.7 from Oracle, I've tried using Pacifist to manually extract the files from the 1.6 Apple Java... nothing. When I open terminal and use java -version all I get is -bash: java: command not found My real goal is just to get back to java 1.7, but even after running the installer, java is still inaccessible to terminal and other applications.

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• Tricking Linux apps about current time with environment variables

  - by geek

  Sometimes it is possible to trick a Linux app by calling it like this: HOME=/tmp/foo myapp This would make myapp think /tmp/foo is the home directory, it won't try to get the user id, find its home directory via getpwent(). This is useful when myapp must be forced to dump some of its config files into a non-standard location different than ~. A similar trick can be done like this: LANG=foo LC_ALL=bar myapp This is useful when myapp needs to be called once with a different locale without having to make the change persistent by using the export bash built-in or even modify stuff in /etc/profile. Is it possible to pull the same trick with time and date? The goal is to make an app use another time than the system ones. The final goal - to make timestamps that appear in logs/commit messages not being tied to the system time.

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• Dump vim screen into a file

  - by user18151

  I need to dump whatever is seen on the vim screen as it is, with colors and everything. Is there a way do to id. I am hoping that ncurses uses the same escape sequence for colors as bash. So when I'll do cat on the file that I've dumped the screen to, I should get the same output as the vim file. I want to use it in the scenario when I am doing a side by side colorful diff of files and need to print them. If anyone knows of any other side-by-side colorful diff programs, please feel free to mention in the comments (not answers because I am hoping that this question will be answered so that it can be used by others).

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• How can I run fsck on a disk image via Mac Terminal?

  - by mvizual

  I want to run fsck on a disk image before I use it to restore (replace) a corrupted volume. Using Terminal, what would be the proper command, syntax, and options for this operation? I've just recently become acquainted with Terminal and line commands, so syntax and specific options aren't part of my computing vocabulary. I'm using Terminal 2.1.2, bash, OS 10.6.8. Ultimately, I'm trying to restore an image to a secondary startup volume (external drive). The image is mounted on my desktop and I want to check it for errors before I use it. Disk Utility runs "repair disk" successfully but the integrity of the image is suspect.

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• Vim not restoring screen contents on Debian?

  - by peu ping

  I always thought Vim restored the previous contents of the screen upon closing. This allows me to remember what commands I was typing previously and what I wanted to do next. Recently I've been using Debian 6 and Ubuntu (CLIs only) in a VM for a development project and I've been extremely annoyed with how Vim is operating. After I close the file its contents stay on the screen making me second guess whether I'm still in Vim or not, and having to use history to find out what I typed previously. I've been unable to find any solution. Using tput smcup and rmcup for instance does absolutely nothing.

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• Google maps later traffic

  - by bobobobo

  Google maps has this feature of showing you how long it will take to get somewhere based on current traffic. But what about history, or asking for a prediction of how long it will take to get somewhere, during rush hour, for example? So, how long will it take to get there on this route if I leave at 5, vs how long it will take if I leave at 3. (A difference of 30 minutes on the road sometimes!) If google maps doesn't provide this service, iis there anywhere that does?

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• sa2 -A /var/log/sa/sa13: No such file or directory

  - by user53925

  I have systat version 7.0.2 and the /etc/sysconfig/sysstat has the entry HISTORY=27, this is on a redhat enterprise server 5.6, the cron setup for this is # run system activity accounting tool every minute * * * * * root /usr/lib64/sa/sa1 1 1 # generate a daily summary of process accounting at 23:53 53 23 * * * root /usr/lib64/sa/sa2 -A I get the following error from the cron sa2 -A find: /var/log/sa/sa13: No such file or directory, Looking at the directory /var/log/sa the files are created from sa01 through sa10 (sa1 created on sep1, sa2 created on sep2 and so on), then the rest of the files are from sa14 through to sa 31 (created from Aug 14 to Aug 31). I have not made any changes on the server so I am not sure why I am getting these error messages and is there a way to fix this?. Someone suggested creating empty files from sa11 through sa14 to fix this but I am not sure if this might mess up something .

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• Get CruiseControl to talk to github with the correct public key.

  - by Jezmond

  Hi All, Has anybody installed git and ControlControl and got CruiseControl to pull from GitHub on a window 2003 server. I keep getting public key errors (access denied) - Which is good i suppose as that confirms git is talking to github. However what is not good is that I dont not know where to install the rsa keys so they will be picked up by the running process (git in the context of cc.net). Any help would save me a lot of hair! I have tried installing the keys into; c:\Program Files\Git.ssh Whereby running git bash and cd ~ take me to: c:\Program Files\Git Thanks in advance

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• How do I edit files in the console when connecting to windows 7 via ssh?

  - by Alex Waters

  I am using tunnelier client and server to connect to a windows machine. I can get in and have access to all of the files on the computer. I have vim installed on that windows machine, but I can't seem to edit anything via the DOS command line. I also tried editing in notepad, but nothing happens when I enter the command. I think this might be the part where DOS doesn't behave like bash. Would I need to setup cygwin / openssh to accomplish this? (boo, tunnelier is so easy) Thanks! p.s. I know I could just use sftp and edit files that way, but it feels dirty.

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• Emacs equivalent of this Vim command to run my tests?

  - by eightbitraptor

  I'm using Emacs at the moment and experimenting with it for my Rails development and there is one thing that I do quite regularly in Vim and I'd like to know if an equivalent exists in Emacs, or an alternative workflow to achieve the behavior that I need. The command in Vim is :map ;t :!rspec --no-color %<cr> Essentially this maps a key combination to run a bash/shell command on the file represented by the current buffer (% expands to the filename at runtime, the <cr> is just a carriage return at the end to execute the command). I map all sorts of random little commands as and when I need them and I really miss the immediacy of this approach. How can I achieve something similar?

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• Ubuntu - executable file - variable assignment throwing error on script run

  - by newcoder

  I am trying to run a small script - test - on ubuntu box. It is as follows: var1 = bash var2 = /home/test/directory ... ... <some more variable assignments and then program operations here> ... ... Now every time I run it, then it throws errors: root@localhost#/opt/test /opt/test: line 1: var1: command not found /opt/test: line 3: var2: command not found ... ... more similar errors ... Can someone help me understand what is wrong in this script? Many thanks.

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• cygwin ssh shortcut on windows desktop

  - by Alex Berkoff

  I have multiple servers that I need to remote into. I prefer Cygwin over Putty to do so. Anyhows - the process of opening my cool Mintty window and then typing the following commands takes too long. PS - I am using a "key" authentication to these servers. First, I double Click Cygwin Terminal shortcut from my windows desktop. Then once the terminal session has booted up, from the command prompt I type the following - $ eval `ssh-agent` $ ssh-add $ ssh <username>@<servername> Please keep in mind that my 'servername' is variable. In fact I have about 10 different server names that could potentially be inserted there - Hence my need for 10 different shortcuts. I would prefer to double click on something from my desktop that will fire up my Mintty and automatically execute the above bash shell commands. Does anyone have or can recommend a nice/elegant solution to do this?

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• why is the address bar black in Google chrome so you cannot see what you're typing ?

  - by Tim

  The address bar background color in Google Chrome is black. I cannot see what I'm typing. What's going on? This is a problem when you're typing in a URL you've never used before (so there's no matching history). Type in a URL you've never used before. Imagine someone is giving it to you over the phone. Make a typo somewhere. Use the back arrow to go back and correct it. You cannot see where the cursor is. This just started happening yesterday. I'm on WinXP Pro.

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• How to open http for linux server

  - by wtfcoder

  I am a Windows (IIS) software engineer, but recently I've been thrown into a Linux server admin role until we can find someone to fill the position. I am not ashamed to admit I have no idea what I am doing. Currently the problem I am trying to solve is that the server is only responding to https requests. However, we need it to respond to standard http requests as well. We don't really have anything that needs to stay secure on its way to the requester. I am running redhat linux via bash. If anyone could tell me how to enable http requests I would really appreciate it! Thanks Please make sure your response is fairly step by step as I have minimal command line experience :/

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• most simple way to get files on a server

  - by acidzombie24

  I am on windows and my server is linux. I would like to grab files from the server automatically with a script. Maybe execute a bash script remotely as well but maybe i dont need that. I need to connect securely and i would like some kind of password so not anyone can connect. I need to download files and i'd like to get every file in a set of folders. I do not want to download them again if they exist. What is the easiest way to do this? i thought of creating a simple .NET site with data in App_Data (so it cant be reached from the outside) however i have a feeling an easier way exist. I'd like to do scp with a shell but i am on windows and also i am unsure how to iterate through folders and only get files that dont exist.

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• How to compare differences between directories (linux)

  - by Phil

  I have two directories - one from earlier backup and second from newest backup. How do i compare what changes were made to files in directory from newest backup on Linux? Also how do i display changes in for example text and php files - i'm thinking about something like revision history on wikipedia where you see old version on one side of the screen and newest version on other and changes are highlighted. How do i achieve something like that? edit: How do i also compare remote dir with local?

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