Webcam functions good with VLC Player in RHEL6.5

Webcam functions good with VLC Player in RHEL6.5 in Acer Aspire Laptop.

Installation of VLC player in RHEL6.5

Step1: Download both the files from the following link
https://drive.google.com/folderview?id=0B37XfxCcR3Znek1tVExUdnI1ekk&usp=sharing
Step2: chmod +x vlc6-installation.sh
Step3: ./vlc6-installation.sh
Sit back and relax for sometime.
Step4: useradd username, passwd username

Step5: login to the user that you created now or use another user other than root.
Step6: Applications -> Sound & Video -> VLC Media Player

Simple Samba Server Configuration in Ubuntu Server 12.04 LTS

Samba server is mainly used for file sharing in cross platform environment. You can find the simple following steps to make Samba file server configuration in Ubuntu Server 12.04 LTS.

Step 1: Install the samba package from online repository
            sudo apt-get install samba
Step 2: Edit the configuration file /etc/samba/smb.conf
            workgroup = EXAMPLE
            This EXAMPLE can be your domain name or some desirable name
Step 3: Make or add the following changes in the bottom of the file. Use bottom of the file for improving your readability. However, you can add these lines in any portion of the configuration file (for advanced users- generally not recommended for normal users).
[share]
    comment = Ubuntu File Server Share
    path = /srv/samba/share
    browsable = yes
    guest ok = yes
    read only = no
    create mask = 0755
    valid users = employee
Step 4: Make a directory
            mkdir -p /srv/samba/share
Step 5: Restart the following services
            sudo restart smbd
            sudo restart nmbd
Step 6: Create users only to access samba share

            useradd -s /sbin/nologin employee
            smbpasswd -a employee
            smbpasswd -e employee

To access samba via command line
smbclient //192.168.10.11/data -U employee

Red Hat yum server via CentOS

Red Hat yum server can be set by using centos repository

[CENTOSREPO]
name=centos repos
baseurl=http://ftp.heanet.ie/pub/centos/6/os/$basearch
enabled=1
gpgcheck=0

Chamilo works good in Ubuntu 12.04 LTS

Chamilo works good with Ubuntu 12.04 LTS server edition which is used for online E-learning collaboration software.

The following commands are used for changing the ip of the server, if required

vi /www/html/chamilo/main/inc/conf/configuration.php
sudo service apache2 restart

Firefox 29.0.1 works good in RHEL6.5

Step1: Download latest firefox 29.0.1 from http://www.mozilla.org/en-US/firefox/new/
Step2: tar xvjf firefox.tar.bz2
Step3: goto the specified directory and give ./firefox

Enabling hibernation in Ubuntu server 12.04

In Ubuntu 12.04 and newer, hibernation has been disabled by default in policykit.

Type the following command:

sudo nano /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla

Fill it with this:

[Re-enable hibernate by default]
Identity=unix-user:*
Action=org.freedesktop.upower.hibernate
ResultActive=yes

Save by pressing Ctrl-O then enter and then exit nano by pressing Ctrl-X.