count character in each line of a file

Unix.sh

# if number of occurrences of " , " is > 5 print the number  
tr -d -c ',\n' < Users.csv | awk '{ if ( length >= 5) {print length;} }'

# if number of occurrences of " , " is > 5 print line number 
tr -d -c ',\n' < Users.csv | awk '{ if ( length >= 5) {print NR;} }'

# read nth line from file 

awk ' NR == 5' Users.csv

# cron job rsync with log
# install ts for timeStamping
sudo apt-get install moreutils 
*/30 * * * * rsync -azv <source> --password-file=<password file>   <user>@<host>::<user> | ts >> <logFile> 

# select range of lines from text file 
sed -n 16224,16482p filename > newfile

# wget with cookies (authenticated)
# Log in to the server.  This can be done only once.                   
wget --save-cookies cookies.txt \
     --post-data 'user=foo&password=bar' \
     http://server.com/auth.php

# Now grab the page or pages we care about.
wget --load-cookies cookies.txt \
     -p http://server.com/interesting/article.php

http://stackoverflow.com/questions/1324421/how-to-get-past-the-login-page-with-wget

# Add ssh keys to server
ssh-copy-id <user>@<server>
https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys--2

# curl file upload
curl -v -include --form "path=ab/cd/" --form "overwrite=true" --form upload=@wd_rsync.log http://192.168.0.1:8080/upload

# Find out current working directory of a running process
pwdx <pid>
http://unix.stackexchange.com/questions/94357/find-out-current-working-directory-of-a-running-process

# find simlink 
readlink -f `which command`

# How do I move files out of nested subdirectories into another folder in ubuntu?
http://superuser.com/questions/658075/how-do-i-move-files-out-of-nested-subdirectories-into-another-folder-in-ubuntu

# transmission
https://help.ubuntu.com/community/TransmissionHowTo
http://askubuntu.com/questions/221081/permission-denied-when-downloading-with-transmission-deamon

```
sudo usermod -a -G debian-transmission <user>
sudo chgrp debian-transmission /path/to/folder/
sudo chmod 775 /path/to/folder/
```

# samba conf
set folder permission to 775

/etc/samba/samba.conf

```
[Downloads]
        path = /home/cloud1/transmission/Downloads
        available = yes
        browsable = yes
        writable = no
        public = yes
        guest only = yes
        guest ok = yes
```

sudo service smbd restart

# mount samba share
```
su (make sure you do this as root)
mkdir /mnt/linky_share
mount -t cifs -o user=luke //192.168.1.104/share /mnt/linky_share
```
https://wiki.samba.org/index.php/Mounting_samba_shares_from_a_unix_client

# get installed package list
https://askubuntu.com/questions/17823/how-to-list-all-installed-packages

# search with in files in folder 
grep -Ril "text-to-find-here" /

https://stackoverflow.com/questions/16956810/finding-all-files-containing-a-text-string-on-linux

# install java oracle ubuntu 
https://askubuntu.com/questions/56104/how-can-i-install-sun-oracles-proprietary-java-jdk-6-7-8-or-jre

# locale problem 
add this `LC_ALL="en_US.UTF-8"` to bottom of  `/etc/environment` 

# ubuntu print canon driver
https://wiki.debian.org/PrinterDriver/Canon/UFR-II