echo “changing LVM names”

# Must be run with root permissions
# sudo will be sufficient

if [ "$(id -u)" != «0» ]; then
echo «This script must be run as root» 1>&2
exit 1
fi

#Ask for new hostname $newhost
read -p «Enter new hostname: „
newhostname=$REPLY
oldhostname=$(cat /etc/hostname)

# ${var//-} syntax removes all dashes from the name simplifying the
# requirement to use a double-dash in some places to escape the dash
newvg=${newhostname//-}

# Find the volume group that root is in
vg='lvdisplay -C|awk '$1==“root» {print $2}''
if [[ ${vg} == *"-"* ]]; then
#has dashes in current name
vgrename ${vg} ${newhostname//-}
vg='echo $vg|sed «s/-/--/g»'
sed -i «s/${vg}/${newvg}/g» /etc/fstab
sed -i «s/${vg}/${newvg}/g» /boot/grub/grub.cfg
else
#no dashes in current name
vgrename ${vg} ${newvg}
sed -i «s/${vg}/${newvg}/g» /etc/fstab
sed -i «s/${vg}/${newvg}/g» /boot/grub/grub.cfg
fi

update-initramfs -c -k all

#sed -i “s/$oldhostname/$newhostname/g” /etc/fstab
#sed -i “s/\/$oldhostname/\/$newhostname/g” /boot/grub/grub.cfg
#update-initramfs -c -k al

• usb_modeswitch
• modem-manager-gui
• Manejo de consola terminal

usbserial vendor=0x12d1 product=0x1c0b

• Windows share can be mounted on RHEL system using 

  cifs

   option of 

  mount

   command as :

<code>[root@host ~]# mount -t cifs -o username=<share user>,password=<share password> //WIN_PC_IP/<share name> /mnt </code>

• In case your user is in windows domain then you can define the domain as follows:

<code>[root@host ~]# mount -t cifs -o username=<share user>,password=<share password>,domain=example.com //WIN_PC_IP/<share name> /mnt </code>

• By default windows share mounted with the full permission (777) in Linux. To change the default permission use the 

  dir_mode

   and 

  file_mode

  options to set directory and file permission.

<code>[root@host ~]# mount -t cifs -o username=<share user>,password=<share password>,dir_mode=0755,file_mode=0755 //WIN_PC_IP/<share name> /mnt </code>

• To make the mount persistant across reboots, make the below entry to the 

  /etc/fstab

<code> //WIN_PC_IP/<share name> /<mntpoint> cifs _netdev,username=<share user>,password=<share password>,dir_mode=0755,file_mode=0755,uid=500,gid=500 0 0 </code>

• If you receive the following error when try to mount the share folder from windows machines

<code>mount error(13): Permission denied Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) </code>

Please verify the permission on the folder on you windows machine and try again mount the share folder.