Fixing network manager applet missing from notification area

Solution:1)  Open Terminal2)  Type "sudo edit /etc/NetworkManager/nm-system-settings.conf"3)  change the “managed=false” to “managed=true” and then save it.4)  then in the terminal type “killall nm-system-settings”5)   rebo...

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How to:Upgrade to ubuntu 10.10

If your ubuntu update manager not showing new upgrade release, then follow following steps to upgrade your ubuntu to 10.10 ...1) In your sources.list file change 'lucid' to 'maverick' (if previous is 10.04)2) install update manager if it's not there.          $ sudo aptitude install update-manager-core3) enter following command to upgrade:          $ sudo do-release-upgrade -dThen take rest for an hour... It will take time.NOTE: If step 3 is not working restart after...

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Running Turbo C on LINUX

So student are comfortable with Borland Turbo C, so if you have switched to linux (ubuntu) here is some trick for using Turbo C on Ubuntu.1) Go to terminal:                 $ sudo apt-get install dosbox2) Download Turbo C here : Turbo C3) extract archive  to folder /home/TC/4) open dosbox under Applications -> Games5) type in following steps:                     mount c ~/TC              ...

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Installing Marathi fonts in Ubuntu and using them

follow following steps:1. Install fonts:             $ sudo apt-get install ttf-indic-fonts2. Inputting Marathi Text: ( from Wikipedia) Go to Applications > Preferences > Keyboard.Select the "Layouts" tab.Select the keyboard for the language or script you wish to use from the "Available Layouts" frame and then press "Add".Press "Close" to discard the dialogue box.Right click on the main menu on your desktop and select "Add to Panel...".Select "Keyboard Indicator" and click "Add".Position the...

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Installing *.deb package from terminal

1. Install:$ sudo dpkg -i package_file.deb2. uninstall:$ sudo dpkg -r package_n...

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Mounting Hard drive via SSH

do following steps...1. you should be sudo user.         $ sudo su2. displaying available hard drives in your system.           # fdisk -l3. Suppose you want to mount /dev/sda1 drive, make some directory where do you want mount it.        # mkdir /home/megh/HD14. mounting drive( assuming NTFS).      #  sudo mount -t ntfs-3g /dev/sda1 /home/megh/HD15. done !!! browse directory HD1(NOTE: if it's FAT32 swap out 'ntfs-3g' for 'vf...

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scheduling tasks to be executed at a certain time in Ubuntu.

Here is useful tip for ubuntu users who wants to execute certain scripts periodically, like monitoring disks, updates, certain logs, periodic backup, periodic rsync and more..Corn is daemon which will allow you to  schedule and execute certain tasks you assigned. Here is link to CornHo...

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Restore original appearance and theme

Restoring default Ubuntu theme and appearance after installing some nasty themes which slows down performance of system.Open up a terminalApplications -> Accessories -> TerminalWe need to remove all these sections, they store gnome settingsThe folders to remove are: .gconf, .gconfd, .gnome, .gnome2, etc.So do this command:$rm -Rf .gconf .gconfd .gnome .gnome2Then log out and log back in (or reboot if you pref...

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C editing with VIM

Hi,Here is some good references for improving your VIM editor for 'C' and 'C++' programming. I have also attached my vimrc file. have a fun !!!Link1li...

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LDD(Linux Device Driver)

I am doing some LDD experimentations, so what ever I found useful for LDD I am posting here, It might be useful for people interested in LDD.Basic Tutorials: Free Basic Tute       Link2       Link3     Link4       Link5Compilation steps: Only up to compilation(do not follow for installation)Compilation and installation: link1( this adds our custom kernel as default kernel, unless u r sure don't do  this)For Ubuntu 10.04 -  working...

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Dropbox in ubuntu (behind proxy)

Download Dropbox from link bellow:Download Dropbox hereAfter installation download the experimental build of Dropbox:For X86 :$wget -c http://dl.getdropbox.com/u/17/dropbox-lnx.x86-0.6.491.tar.gzFor x86_64 : $wget -c http://dl.getdropbox.com/u/17/dropbox-lnx.x86_64-0.6.491.tar.gz                            OR put above URL in firefox for manual downloadput dropbox-lnx.x86-0.6.491.tar.gz in Home Folder.untar using following command:$tar xzf dropbox-lnx.x86-0.6.491.tar.gz...

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Find more about ubuntu on...

http://sites.google.com/site/meghanads/b...

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Want to find whats going on, on your ports..

Enter following command with port number:$ netstat -an|grep   port_numHere          port_num= 22 (SSH)                                 = 161 (U...

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SNMP- graphical viewer(browser) for mib-tree

install tkmib$ apt-get install tkmibto run$ tk...

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Accesing repositories behind your proxy server through Terminal:

Add following two lines at the end of file '/etc/bash.bashrc'===================================================export http_proxy=http://username:password@netmon.iitb.ac.in:80/export ftp_proxy=http://username:password@netmon.iitb.ac.in:80/================================================...

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ssh: port 22: Connection refused

Enter following commands in terminal ( as root):$ apt-get install ssh$ groupadd  -g  33  sshd$ useradd  -u  33  -g  33   -c   sshd  -d  /  sshd$ /etc/init.d/ssh   start&nb...

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Accesing remote linux(ubuntu) system through linux(ubuntu) graphically...

Linux already has X-manager inbuilt so to access remote linux PC through linux machine do this...in terminal :$ ssh -X username@remote_machine_ip// then enter ur password//so u have logged in to remote machine.... :)// to access graphically enter following command:$ gnome-session// here we go... now u have using graphical view of remote machine , u can  check //by clicking in applications to see installed programs in ur remote machine.....

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Graphical ssh/ftp client for Ubuntu...

(1) install: gFTP(2) use places->Connect to ser...

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Xmanager

If the XDMCP connection cannot be made between your PC and the remote host due to network configuration or a firewall, you cannot start a desktop environment such as CDE or GNOME/KDE environment using Xbrowser. If this is the case, please refer to the following for starting Unix/Linux desktop environments on your PC using Xstart. Commands for starting Unix/Linux desktop environments Common Desktop Environment (CDE) /usr/dt/bin/Xsession (Set DISPLAY environment variable and run this command.) GNOME Environment /usr/bin/gnome-session K Desktop...

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Remote desktop (view ubuntu in windows XP)

see this link...CLICK H...

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Free Matlab...

see...http://freemat.sourceforge.net/download.htmlhttp://www.scilab.o...

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IITB EE-dept email client settings...

For mail clients, use server as sandesh.ee.iitb.ac.in (for students )/ bhairav.ee.iitb.ac.in (for Faculty ) and the protocol to be used is IMAP (plain/SSL/TLS). POP3 access is not available. For outgoing mails, set the SMTP server as sandesh.ee.iitb.ac.in (for students ), bhairav.ee.iitb.ac.in ( for Faculty) use the default port (25) as shown by your mail clients. From outside the department, you need to set smtp-auth.iitb.ac.in as your SMTP server with the following settings. OUTGOING MAILSERVER: smtp-auth.iitb.ac.in PORT: 25 Enable AUTH: Yes...

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Reset your lost Ubuntu Password

If you ever get locked out of your Ubuntu installation as I found myself to be tonight, you can reset your password quite easily using the following steps.1. Power up your computer.2. Press ESC at the grub menu.3. Press e for edit.4. Highlight the line that begins “Ubuntu, KERNEL ………” and press e.5. Go to the end of this line, add rw init=/bin/bash and press enter.6. Press b to boot your system.7. Your system will boot up to a passwordless root shell.8. Type in passwd username where username is the username you lost the      ...

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Pidgin Settings for Gtalk...

Pidgin (formerly GAIM) is an open-source multi-protocol IM client which can allow to chat over MSN, Yahoo, AIM and many other protocols. The following settings will allow Pidgin to work with Google Talk.1. Open Pidgin and go to Add / Edit under the Account menu.2. Click on Add.3. On the Basic tab, Use the following settings under Login Options:Protocol: XMPPScreen name: google id (everything before the @ symbol)Domain: gmail.com (use googlemail.com...

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E: Sub-process /usr/bin/dpkg returned an error code (2)

Edit       /var/lib/dpkg/statoverride   file as bellow------------------------------------------------------------------------------------------------------------root mlocate 2755 /usr/bin/mlocate------------------------------------------------------------------------------------------------------------remove all other lines in this file and save it (there should not be any empty line too)will work....

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