How to re-enable the systray (indicator panel) on Ubuntu 14.04

Installation in the terminal:

sudo apt-add-repository ppa:fixnix/indicator-systemtray-unity
sudo apt-get update
sudo apt-get install indicator-systemtray-unity

Once installed, you can enable it by this command:

gsettings list-recursively net.launchpad.indicator.systemtray

If you wish to remove it, run this command:

sudo apt-get --purge remove indicator-systemtray-unity

resize2fs: Bad magic number in super-block;

On Centos 7.0, you are trying to resize using “resize2fs2 the new logical volume once you have add a new volume to your group;

this error:

 

[root@centos7 ~]# resize2fs "yourvolumegroup"
resize2fs 1.42.9 (28-Dec-2013)
resize2fs: Bad magic number in super-block while trying to open "yourvolumegroup"
Couldn't find valid filesystem superblock.

On Centos 7.x, its using now XFS (look into the /etc/fstab), default should be xfs.

Instead of using resize2fs, use this command:

xfs_growfs "yourvolumegroup"

HubiC on Raspberry pi

sync your data with HubiC.

Install it on your Raspberry, just download the last package:

http://mir7.ovh.net/ovh-applications/hubic/hubiC-Linux/1.2.5/

Install it:

sudo dpkg -i -R hubiC-Linux-1.2.5.38-linux.deb

finalize the installation as for the dependancies:

sudo apt-get -f install

Before running it, you need to reed the bus:

dbus-launch --sh-syntax

Copy/paste the bus data address and export the settings (change ‘xxxx’ with your own data from the previous command output:

export DBUS_SESSION_BUS_ADDRESS='unix:abstract=/tmp/dbus-xxxx,guid=xxxx'

And run hubiC with the login you have created on the website:

mkdir /home/pi/hubiC
hubic login login@domain.tld /home/pi/hubiC