[Linux] Vi editor basics

In everyday in our Linux life we may need to use vi editor. So do I. The main cause of this post is to know how simple vi editor is!

Installing Vi editor
sudo apt-get install vim

*it will also load color of you vi edior

Opening a file
vi filename

Creating text
Edit modes: These keys enter editing modes and type in the text
of your document. 

i     Insert before current cursor position
I     Insert at beginning of current line
a     Insert (append) after current cursor position
A     Append to end of line
r     Replace 1 character
R     Replace mode
<ESC> Terminate insertion or overwrite mode

Going to VISUAL mode:
If you want visual then from command mode just hit "v" 

v    it will allow to switch in visual mode

Deletion of text

x     Delete single character
dd    Delete current line and put in buffer
ndd   Delete n lines (n is a number) and put them in buffer
J     Attaches the next line to the end of the current line (deletes carriage return).

Undo:
u     Undo last command

cut and paste
yy    Yank current line into buffer
nyy   Yank n lines into buffer
p     Put the contents of the buffer after the current line
P     Put the contents of the buffer before the current line

cursor positioning
^d    Page down
^u    Page up
:n    Position cursor at line n
:$    Position cursor at end of file
^g    Display current line number
h,j,k,l Left,Down,Up, and Right respectivly. Your arrow keys should also work if your keyboard mappings are anywhere near sane.

string substitution

:n1,n2:s/string1/string2/[g]       Substitute string2 for string1 on lines
                                   n1 to n2. If g is included (meaning global),
                                   all instances of string1 on each line
                                   are substituted. If g is not included,
                                   only the first instance per matching line is
                                   substituted.

    ^ matches start of line
    . matches any single character
    $ matches end of line

These and other "special characters" (like the forward slash) can be "escaped" with \
i.e to match the string "/usr/STRIM100/SOFT" say "\/usr\/STRIM100\/SOFT" 

Examples:

:1,$:s/dog/cat/g                   Substitute 'cat' for 'dog', every instance
                                   for the entire file - lines 1 to $ (end of file)

:23,25:/frog/bird/                 Substitute 'bird' for 'frog' on lines
                                   23 through 25. Only the first instance
                                   on each line is substituted.

Saving and quitting and other "ex" commands

These commands are all prefixed by pressing colon (:) and then entered in the lower
left corner of the window. They are called "ex" commands because they are commands
of the ex text editor - the precursor line editor to the screen editor
vi.   You cannot enter an "ex" command when you are in an edit mode (typing text onto the screen)
Press <ESC> to exit from an editing mode.

:w                Write the current file.
:w new.file       Write the file to the name 'new.file'.
:w! existing.file Overwrite an existing file with the file currently being edited.
:wq               Write the file and quit.
:q                Quit.
:q!               Quit with no changes.

:e filename       Open the file 'filename' for editing.

:set number       Turns on line numbering
:set nonumber     Turns off line numbering

i think it will help someone!
:)

Unix/Linux Commands for everyday use

I have enlisted Unix/Linux commands for everyday use. Hope this list may also help someone.

dir navigation
•	cd –	Go to previous directory
•	cd	Go to $HOME directory
	(cd dir && command)	Go to dir, execute command and return to current dir
•	pushd .	Put current dir on stack so you can popd back to it
file searching
•	alias l=’ls -l –color=auto’	quick dir listing
•	ls -lrt	List files by date. See also newest and find_mm_yyyy
•	ls /usr/bin | pr -T9 -W$COLUMNS	Print in 9 columns to width of terminal
	find -name ‘*.[ch]’ | xargs grep -E ‘expr’	Search ‘expr’ in this dir and below. See also findrepo
	find -type f -print0 | xargs -r0 grep -F ‘example’	Search all regular files for ‘example’ in this dir and below
	find -maxdepth 1 -type f | xargs grep -F ‘example’	Search all regular files for ‘example’ in this dir
	find -maxdepth 1 -type d | while read dir; do echo $dir; echo cmd2; done	Process each item with multiple commands (in while loop)
•	find -type f ! -perm -444	Find files not readable by all (useful for web site)
•	find -type d ! -perm -111	Find dirs not accessible by all (useful for web site)
•	locate -r ‘file[^/]*\.txt’	Search cached index for names. This re is like glob *file*.txt
•	look reference	Quickly search (sorted) dictionary for prefix
•	grep –color reference /usr/share/dict/words	Highlight occurances of regular expression in dictionary
archives and compression
	gpg -c file	Encrypt file
	gpg file.gpg	Decrypt file
	tar -c dir/ | bzip2 > dir.tar.bz2	Make compressed archive of dir/
	bzip2 -dc dir.tar.bz2 | tar -x	Extract archive (use gzip instead of bzip2 for tar.gz files)
	tar -c dir/ | gzip | gpg -c | ssh user@remote ‘dd of=dir.tar.gz.gpg’	Make encrypted archive of dir/ on remote machine
	find dir/ -name ‘*.txt’ | tar -c –files-from=- | bzip2 > dir_txt.tar.bz2	Make archive of subset of dir/ and below
	find dir/ -name ‘*.txt’ | xargs cp -a –target-directory=dir_txt/ –parents	Make copy of subset of dir/ and below
	( tar -c /dir/to/copy ) | ( cd /where/to/ && tar -x -p )	Copy (with permissions) copy/ dir to /where/to/ dir
	( cd /dir/to/copy && tar -c . ) | ( cd /where/to/ && tar -x -p )	Copy (with permissions) contents of copy/ dir to /where/to/
	( tar -c /dir/to/copy ) | ssh -C user@remote ‘cd /where/to/ && tar -x -p’	Copy (with permissions) copy/ dir to remote:/where/to/ dir
	dd bs=1M if=/dev/sda | gzip | ssh user@remote ‘dd of=sda.gz’	Backup harddisk to remote machine
rsync (Network efficient file copier: Use the –dry-run option for testing)
	rsync -P rsync://rsync.server.com/path/to/file file	Only get diffs. Do multiple times for troublesome downloads
	rsync –bwlimit=1000 fromfile tofile	Locally copy with rate limit. It’s like nice for I/O
	rsync -az -e ssh –delete ~/public_html/ remote.com:’~/public_html’	Mirror web site (using compression and encryption)
	rsync -auz -e ssh remote:/dir/ . && rsync -auz -e ssh . remote:/dir/	Synchronize current directory with remote one
ssh (Secure SHell)
	ssh $USER@$HOST command	Run command on $HOST as $USER (default command=shell)
•	ssh -f -Y $USER@$HOSTNAME xeyes	Run GUI command on $HOSTNAME as $USER
	scp -p -r $USER@$HOST: file dir/	Copy with permissions to $USER’s home directory on $HOST
	scp -c arcfour $USER@$LANHOST: bigfile	Use faster crypto for local LAN. This might saturate GigE
	ssh -g -L 8080:localhost:80 root@$HOST	Forward connections to $HOSTNAME:8080 out to $HOST:80
	ssh -R 1434:imap:143 root@$HOST	Forward connections from $HOST:1434 in to imap:143
	ssh-copy-id $USER@$HOST	Install public key for $USER@$HOST for password-less log in
wget (multi purpose download tool)
•	(cd dir/ && wget -nd -pHEKk http://www.pixelbeat.org/cmdline.html)	Store local browsable version of a page to the current dir
	wget -c http://www.example.com/large.file	Continue downloading a partially downloaded file
	wget -r -nd -np -l1 -A ‘*.jpg’ http://www.example.com/dir/	Download a set of files to the current directory
	wget ftp://remote/file[1-9].iso/	FTP supports globbing directly
•	wget -q -O- http://www.pixelbeat.org/timeline.html | grep ‘a href’ | head	Process output directly
	echo ‘wget url’ | at 01:00	Download url at 1AM to current dir
	wget –limit-rate=20k url	Do a low priority download (limit to 20KB/s in this case)
	wget -nv –spider –force-html -i bookmarks.html	Check links in a file
	wget –mirror http://www.example.com/	Efficiently update a local copy of a site (handy from cron)
networking (Note ifconfig, route, mii-tool, nslookup commands are obsolete)
	ethtool eth0	Show status of ethernet interface eth0
	ethtool –change eth0 autoneg off speed 100 duplex full	Manually set ethernet interface speed
	iwconfig eth1	Show status of wireless interface eth1
	iwconfig eth1 rate 1Mb/s fixed	Manually set wireless interface speed
•	iwlist scan	List wireless networks in range
•	ip link show	List network interfaces
	ip link set dev eth0 name wan	Rename interface eth0 to wan
	ip link set dev eth0 up	Bring interface eth0 up (or down)
•	ip addr show	List addresses for interfaces
	ip addr add 1.2.3.4/24 brd + dev eth0	Add (or del) ip and mask (255.255.255.0)
•	ip route show	List routing table
	ip route add default via 1.2.3.254	Set default gateway to 1.2.3.254
•	host pixelbeat.org	Lookup DNS ip address for name or vice versa
•	hostname -i	Lookup local ip address (equivalent to host `hostname`)
•	whois pixelbeat.org	Lookup whois info for hostname or ip address
•	netstat -tupl	List internet services on a system
•	netstat -tup	List active connections to/from system
windows networking (Note samba is the package that provides all this windows specific networking support)
•	smbtree	Find windows machines. See also findsmb
	nmblookup -A 1.2.3.4	Find the windows (netbios) name associated with ip address
	smbclient -L windows_box	List shares on windows machine or samba server
	mount -t smbfs -o fmask=666,guest //windows_box/share /mnt/share	Mount a windows share
	echo ‘message’ | smbclient -M windows_box	Send popup to windows machine (off by default in XP sp2)
text manipulation (Note sed uses stdin and stdout. Newer versions support inplace editing with the -i option)
	sed ‘s/string1/string2/g’	Replace string1 with string2
	sed ‘s/\(.*\)1/\12/g’	Modify anystring1 to anystring2
	sed ‘/ *#/d; /^ *$/d’	Remove comments and blank lines
	sed ‘:a; /\\$/N; s/\\\n//; ta’	Concatenate lines with trailing \
	sed ‘s/[ \t]*$//’	Remove trailing spaces from lines
	sed ‘s/\([`”$\]\)/\\\1/g’	Escape shell metacharacters active within double quotes
•	seq 10 | sed “s/^/      /; s/ *\(.\{7,\}\)/\1/”	Right align numbers
	sed -n ‘1000{p;q}’	Print 1000th line
	sed -n ‘10,20p;20q‘	Print lines 10 to 20
	sed -n ‘s/.*<title>\(.*\)<\/title>.*/\1/ip;T;q‘	Extract title from HTML web page
	sed -i 42d ~/.ssh/known_hosts	Delete a particular line
	sort -t. -k1,1n -k2,2n -k3,3n -k4,4n	Sort IPV4 ip addresses
•	echo ‘Test’ | tr ‘[:lower:]’ ‘[:upper:]’	Case conversion
•	tr -dc ‘[:print:]’ < /dev/urandom	Filter non printable characters
•	tr -s ‘[:blank:]’ ‘\t’ </proc/diskstats | cut -f4	cut fields separated by blanks
•	history | wc -l	Count lines
set operations (Note you can export LANG=C for speed. Also these assume no duplicate lines within a file)
	sort file1 file2 | uniq	Union of unsorted files
	sort file1 file2 | uniq -d	Intersection of unsorted files
	sort file1 file1 file2 | uniq -u	Difference of unsorted files
	sort file1 file2 | uniq -u	Symmetric Difference of unsorted files
	join -t” -a1 -a2 file1 file2	Union of sorted files
	join -t” file1 file2	Intersection of sorted files
	join -t” -v2 file1 file2	Difference of sorted files
	join -t” -v1 -v2 file1 file2	Symmetric Difference of sorted files
math
•	echo ‘(1 + sqrt(5))/2’ | bc -l	Quick math (Calculate φ). See also bc
•	seq -f ‘4/%g’ 1 2 99999 | paste -sd-+ | bc -l	Calculate π the unix way
•	echo ‘pad=20; min=64; (100*10^6)/((pad+min)*8)’ | bc	More complex (int) e.g. This shows max FastE packet rate
•	echo ‘pad=20; min=64; print (100E6)/((pad+min)*8)’ | python	Python handles scientific notation
•	echo ‘pad=20; plot [64:1518] (100*10**6)/((pad+x)*8)’ | gnuplot -persist	Plot FastE packet rate vs packet size
•	echo ‘obase=16; ibase=10; 64206’ | bc	Base conversion (decimal to hexadecimal)
•	echo $((0x2dec))	Base conversion (hex to dec) ((shell arithmetic expansion))
•	units -t ‘100m/9.58s‘ ‘miles/hour’	Unit conversion (metric to imperial)
•	units -t ‘500GB’ ‘GiB’	Unit conversion (SI to IEC prefixes)
•	units -t ‘1 googol’	Definition lookup
•	seq 100 | (tr ‘\n’ +; echo 0) | bc	Add a column of numbers. See also add and funcpy
calendar
•	cal -3	Display a calendar
•	cal 9 1752	Display a calendar for a particular month year
•	date -d fri	What date is it this friday. See also day
•	[ $(date -d ’12:00 +1 day’ +%d) = ’01’ ] || exit	exit a script unless it’s the last day of the month
•	date –date=’25 Dec’ +%A	What day does xmas fall on, this year
•	date –date=’@2147483647′	Convert seconds since the epoch (1970-01-01 UTC) to date
•	TZ=’America/Los_Angeles’ date	What time is it on west coast of US (use tzselect to find TZ)
•	date –date=’TZ=”America/Los_Angeles” 09:00 next Fri’	What’s the local time for 9AM next Friday on west coast US
locales
•	printf “%’d\n” 1234	Print number with thousands grouping appropriate to locale
•	BLOCK_SIZE=\’1 ls -l	Use locale thousands grouping in ls. See also l
•	echo “I live in `locale territory`”	Extract info from locale database
•	LANG=en_IE.utf8 locale int_prefix	Lookup locale info for specific country. See also ccodes
•	locale -kc $(locale | sed -n ‘s/\(LC_.\{4,\}\)=.*/\1/p’) | less	List fields available in locale database
recode (Obsoletes iconv, dos2unix, unix2dos)
•	recode -l | less	Show available conversions (aliases on each line)
	recode windows-1252.. file_to_change.txt	Windows “ansi” to local charset (auto does CRLF conversion)
	recode utf-8/CRLF.. file_to_change.txt	Windows utf8 to local charset
	recode iso-8859-15..utf8 file_to_change.txt	Latin9 (western europe) to utf8
	recode ../b64 < file.txt > file.b64	Base64 encode
	recode /qp.. < file.qp > file.txt	Quoted printable decode
	recode ..HTML < file.txt > file.html	Text to HTML
•	recode -lf windows-1252 | grep euro	Lookup table of characters
•	echo -n 0x80 | recode latin-9/x1..dump	Show what a code represents in latin-9 charmap
•	echo -n 0x20AC | recode ucs-2/x2..latin-9/x	Show latin-9 encoding
•	echo -n 0x20AC | recode ucs-2/x2..utf-8/x	Show utf-8 encoding
CDs
	gzip < /dev/cdrom > cdrom.iso.gz	Save copy of data cdrom
	mkisofs -V LABEL -r dir | gzip > cdrom.iso.gz	Create cdrom image from contents of dir
	mount -o loop cdrom.iso /mnt/dir	Mount the cdrom image at /mnt/dir (read only)
	cdrecord -v dev=/dev/cdrom blank=fast	Clear a CDRW
	gzip -dc cdrom.iso.gz | cdrecord -v dev=/dev/cdrom –	Burn cdrom image (use dev=ATAPI -scanbus to confirm dev)
	cdparanoia -B	Rip audio tracks from CD to wav files in current dir
	cdrecord -v dev=/dev/cdrom -audio -pad *.wav	Make audio CD from all wavs in current dir (see also cdrdao)
	oggenc –tracknum=’track’ track.cdda.wav -o ‘track.ogg’	Make ogg file from wav file
disk space (See also FSlint)
•	ls -lSr	Show files by size, biggest last
•	du -s * | sort -k1,1rn | head	Show top disk users in current dir. See also dutop
•	du -hs /home/* | sort -k1,1h	Sort paths by easy to interpret disk usage
•	df -h	Show free space on mounted filesystems
•	df -i	Show free inodes on mounted filesystems
•	fdisk -l	Show disks partitions sizes and types (run as root)
•	rpm -q -a –qf ‘%10{SIZE}\t%{NAME}\n’ | sort -k1,1n	List all packages by installed size (Bytes) on rpm distros
•	dpkg-query -W -f=’${Installed-Size;10}\t${Package}\n’ | sort -k1,1n	List all packages by installed size (KBytes) on deb distros
•	dd bs=1 seek=2TB if=/dev/null of=ext3.test	Create a large test file (taking no space). See also truncate
•	> file	truncate data of file or create an empty file
monitoring/debugging
•	tail -f /var/log/messages	Monitor messages in a log file
•	strace -c ls >/dev/null	Summarise/profile system calls made by command
•	strace -f -e open ls >/dev/null	List system calls made by command
•	strace -f -e trace=write -e write=1,2 ls >/dev/null	Monitor what’s written to stdout and stderr
•	ltrace -f -e getenv ls >/dev/null	List library calls made by command
•	lsof -p $$	List paths that process id has open
•	lsof ~	List processes that have specified path open
•	tcpdump not port 22	Show network traffic except ssh. See also tcpdump_not_me
•	ps -e -o pid,args –forest	List processes in a hierarchy
•	ps -e -o pcpu,cpu,nice,state,cputime,args –sort pcpu | sed ‘/^ 0.0 /d’	List processes by % cpu usage
•	ps -e -orss=,args= | sort -b -k1,1n | pr -TW$COLUMNS	List processes by mem (KB) usage. See also ps_mem.py
•	ps -C firefox-bin -L -o pid,tid,pcpu,state	List all threads for a particular process
•	ps -p 1,$$ -o etime=	List elapsed wall time for particular process IDs
•	last reboot	Show system reboot history
•	free -m	Show amount of (remaining) RAM (-m displays in MB)
•	watch -n.1 ‘cat /proc/interrupts’	Watch changeable data continuously
•	udevadm monitor	Monitor udev events to help configure rules
system information (see also sysinfo) (‘#’ means root access is required)
•	uname -a	Show kernel version and system architecture
•	head -n1 /etc/issue	Show name and version of distribution
•	cat /proc/partitions	Show all partitions registered on the system
•	grep MemTotal /proc/meminfo	Show RAM total seen by the system
•	grep “model name” /proc/cpuinfo	Show CPU(s) info
•	lspci -tv	Show PCI info
•	lsusb -tv	Show USB info
•	mount | column -t	List mounted filesystems on the system (and align output)
•	grep -F capacity: /proc/acpi/battery/BAT0/info	Show state of cells in laptop battery
#	dmidecode -q | less	Display SMBIOS/DMI information
#	smartctl -A /dev/sda | grep Power_On_Hours	How long has this disk (system) been powered on in total
#	hdparm -i /dev/sda	Show info about disk sda
#	hdparm -tT /dev/sda	Do a read speed test on disk sda
#	badblocks -s /dev/sda	Test for unreadable blocks on disk sda

Listing some contents with examples: 

Listing directory contents: 

ls    list a directory
ls -l    list a directory in long ( detailed ) format

   for example:
$ ls -l
drwxr-xr-x    4 cliff    user        1024 Jun 18 09:40 WAITRON_EARNINGS
-rw-r--r--    1 cliff    user      767392 Jun  6 14:28 scanlib.tar.gz
^ ^  ^  ^     ^   ^       ^           ^      ^    ^      ^
| |  |  |     |   |       |           |      |    |      |
| |  |  |     | owner   group       size   date  time    name
| |  |  |     number of links to file or directory contents
| |  |  permissions for world
| |  permissions for members of group
| permissions for owner of file: r = read, w = write, x = execute -=no permission
type of file: - = normal file, d=directory, l = symbolic link, and others...

ls -a        List the current directory including hidden files. Hidden files start
             with "."
ls -ld *     List all the file and directory names in the current directory using
             long format. Without the "d" option, ls would list the contents
             of any sub-directory of the current. With the "d" option, ls
             just lists them like regular files. 

Changing file permissions and attributes 

chmod 755 file       Changes the permissions of file to be rwx for the owner, and rx for
                     the group and the world. (7 = rwx = 111 binary. 5 = r-x = 101 binary)
chgrp user file      Makes file belong to the group user.
chown cliff file     Makes cliff the owner of file.
chown -R cliff dir   Makes cliff the owner of dir and everything in its directory tree. 

You must be the owner of the file/directory or be root before you can do any of these things. 

Viewing and editing files: 

cat filename      Dump a file to the screen in ascii.
more filename     Progressively dump a file to the screen: ENTER = one line down
                  SPACEBAR = page down  q=quit
less filename     Like more, but you can use Page-Up too. Not on all systems.
vi filename       Edit a file using the vi editor. All UNIX systems will have vi in some form.
emacs filename    Edit a file using the emacs editor. Not all systems will have emacs.
head filename     Show the first few lines of a file.
head -n  filename Show the first n lines of a file.
tail filename     Show the last few lines of a file.
tail -n filename  Show the last n lines of a file.

Environment variables 

You can teach your shell to remember things for later using environment variables.
For example under the bash shell:

export CASROOT=/usr/local/CAS3.0               Defines the variable CASROOT with the value
                                               /usr/local/CAS3.0.
export LD_LIBRARY_PATH=$CASROOT/Linux/lib      Defines the variable LD_LIBRARY_PATH with
                                               the value of CASROOT with /Linux/lib appended,
                                               or /usr/local/CAS3.0/Linux/lib 

By prefixing $ to the variable name, you can evaluate it in any command:

cd $CASROOT         Changes your present working directory to the value of CASROOT

echo $CASROOT       Prints out the value of CASROOT, or /usr/local/CAS3.0
printenv CASROOT    Does the same thing in bash and some other shells. 

Pipes: 

The pipe symbol "|" is used to direct the output of one command to the input
of another.

For example:

ls -l | more   This commands takes the output of the long format directory list command
               "ls -l" and pipes it through the more command (also known as a filter).
               In this case a very long list of files can be viewed a page at a time.

du -sc * | sort -n | tail
               The command "du -sc" lists the sizes of all files and directories in the
               current working directory. That is piped through "sort -n" which orders the
               output from smallest to largest size. Finally, that output is piped through "tail"
               which displays only the last few (which just happen to be the largest) results.
 

Naraio : a complete software bundle of Trac and SVN authentication including OpenLDAP

About Naraio :
Naraio is a free and open source product. It consists of Apache, OpenLDAP, MySql, PHP, Openssl, Perl, Trac, Subversion, Ruby, Python, PhpLDAPadmin and, PhpMyAdmin. It is easy, secure, small and flexible.

Where you can use ?
Naraio can be used as directory service(openldap), Project management(trac), Version control (subversion), web development, and database management (Mysql). Other open source products can be easily installed in Naraio.

Key features
Naraio is available for Linux operating system like Fedora, Redhat, Centos, Debian, Ubuntu and use for web development projects. Naraio comes with setup script for easy installation and backup. Naraio authenticates users with compiled openldap. Naraio is good product for lazy system administrator. Naraio installation/setup doesn’t take more than 5 mins as it is very difficult to install all components separately. It is easy to move installed Naraio from one system to another.

Naraio includes :

> OpenSSL
> Berkeley DB
> OPENLDAP
> zlib
> Apache
> Gettext
> Python
> Perl
> Ruby
> Swig
> Neon
> Docutils
> PySqlite
> cyrus-sasl
> libtool
> PHP
> Subversion
> Trac
> PythonLDAP
> Mysql
> PhpMyAdmin
> PhpLDAPadmin

Interested? Wanna Download?

Download Naraio

Who should use Naraio ?
If you are lazy system administrator you should give a try ….. 😛

[ubuntu] GrameenPhone’s Internet with Mobidata EDGE modem in ubuntu

Lot’s of UBUNTU users in Bangladesh are searching to configure Mobidata EDGE modem. Well, the most effective way to connect internet is wvdial. If it’s your lucky day then the following steps will work fine.

Step 1: First things first, make sure you are enable your repository from your software source.

Step 2: Now, in the terminal type

$ sudo wvdial

, If you are getting command not found that means you don’t have wvdialconf

For Ubuntu 9.10 (karmic koala) 4 files needed:

1. http://packages.ubuntu.com/karmic/i386/libwvstreams4.6-base/download
2. http://packages.ubuntu.com/karmic/i386/libwvstreams4.6-extras/download
3. http://packages.ubuntu.com/karmic/i386/libuniconf4.6/download
4. http://packages.ubuntu.com/karmic/i386/wvdial/download

All 4 files in .zip can be found (i386) into here

Update for Ubuntu 10.04
Although wvdial and dependencies are included into CD of 10.04 are NOT installed by default! Bug#400573
You do not need to download them, just use the .iso or LiveCD or LiveUSB following the procedure below:

1. right click ubuntu-10.04-desktop-i386.iso and ‘open with archive mounter’
(or mount LiveCD/LiveUSB)
2. right click on icon created (from 1) to ‘browse folder’
3. create a folder on Desktop (ex. named ‘wvdial’)
4. copy into that folder all 4 .deb files that exist into .iso/LiveCD/LiveUSB
… /pool/main/w/wvdial
and /pool/main/w/wvstreams
5. use System > Administration > Synaptic Package Manager
and then from menu File > Add downloaded packages > double click Desktop and then the folder you created at point #3, click open, follow instructions to
install

OR, you can got to step 5.

Step 3:If you can manage internet connection some how then go to terminal type

$ sudo apt-get install wvdialconf

Without installing PLEASE DON’T PROCEED.

Step 4: After installing wvdialconf you have a file name wvdial.conf in

/etc/wvdial.conf. Go to terminal type

$ sudo gedit /etc/wvdial.conf

. This will open the file with gEdit.

Step 5: Now copy and paste from below in /etc/wvdial.conf you are all most done!

[Dialer Defaults]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Init3 = AT+CGDCONT=1,”IP”,”gpinternet”
Modem Type = Analog Modem
ISDN = 0
Phone = *99***1#
Modem = /dev/ttyUSB0
Username = xyz
Password = xyz
Baud = 460800
New PPPD = yes

Step 5: You are done! Go to terminal and try again

$ sudo wvdial

. Hope you can find [connect] word!!

[NOTE:] make sure that your Mobidata EDGE modem found in /dev folder like /dev/ttyUSB0 or whatever! just put the name correctly in the modem section.

Now you can enjoy your GrameenPhone’s Internet with Mobidata EDGE modem in ubuntu all the time.

Enjoy 😉

[Tips] MP3 support, DVD playback in Ubuntu

Some times it is really disturbing after installed a new Ubuntu/Linux and cant play mp3 files. That’s why i need to make a note down here 😀

1. MP3 support, DVD playback, Java plugin, and Flash plugin

To install ubuntu-restricted-extras package. In terminal window, command is:

sudo apt-get install ubuntu-restricted-extras

For Kubuntu, command is :

sudo apt-get install kubuntu-restricted-extras

For Xubuntu, command is:

sudo apt-get install xubuntu-restricted-extras

2. Install w32codecs

This non-free multimedia codecs will be used for MPlayer and Xine. To install w32codecs, you can see also here.

3. Install CompizConfig Settings Manager

sudo apt-get install compizconfig-settings-manager

4. Install Opera 9.24

To use commercial repository for Ubuntu 7.10.

sudo gedit /etc/apt/sources.list

Add this line:

deb http://archive.canonical.com/ gutsy partner

After save file, run these commands:

sudo apt-get update
sudo apt-get install opera

5. Clean up Ubuntu

To clean up Ubuntu 7.10, run the following commands:

sudo apt-get autoclean
sudo apt-get clean

Or use:

sudo apt-get autoremove

Done!