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just have installed this OS (loki) and I really like it but there is a thing I am worry about.

I have noticed that something keeps downloading data and keeps my cpu busy right after start of system. System monitor showing me data usage and cpu activity (one of 4 cores always on 100%) even if I dont do anything. There is nothing in processes either. Every process shown has very low cpu usage. I used to have Ubuntu on my previous laptop with same programs installed and there was no such a problem.

Thank you very much!

  • 1
    I believe it checks for update packages when it starts up. Could this be it? – SamMorrowDrums Feb 12 '17 at 20:40
  • Please edit your comment to remove the Bluetooth question and post it separately. If the rough question is not in the title, it cannot be answered effectively. – SamMorrowDrums Feb 12 '17 at 20:43
  • I don't think it is packages update - I left the pc running for about 5 hours and over 3Gb was downloaded... Thank you anyway – Jan Feb 14 '17 at 8:21
  • In terminal you can type 'top' and you should see summary of processes, it should be same list, or 'ps -A' to view all processes. There has to be a process doing this, the underlying core is same as Ubuntu, it's only software above that level that is added by elementary, so it surely has to be visible somewhere. – SamMorrowDrums Feb 14 '17 at 8:41
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I think that it may be because of auto update performed by AppCenter. I noticed that too on my machine.

Here's how to disable these updates: 1. Kill AppCenter

`killall appcenter`

2.Show all the hidden startup applications

sudo sed -i 's/NoDisplay=true/NoDisplay=false/g' /etc/xdg/autostart/*.desktop

3.launch Gnome Session Properties application

gnome-session-properties

4.Find AppCenter and uncheck it

Now it should update only when you'll click updates in AppCenter or via terminal with sudo apt-get update and sudo apt-get upgrade Commands

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I have the same problem my cpu(celeron g1840) has usage 50% and more (not reported as a system process) because of network activity to sites like keeton.canonical.com, ftp.bit.nl and others. This is what's happening:

Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0 192.168.178.18:44458    ams15s30-in-f14.1e:http TIME_WAIT  
tcp        0      0 192.168.178.18:36860    haetae.canonical.c:http TIME_WAIT  
tcp        0      0 192.168.178.18:56900    stackoverflow.com:https ESTABLISHED
tcp        0      0 192.168.178.18:44448    ams15s30-in-f14.1e:http TIME_WAIT  
tcp        0      0 192.168.178.18:39302    ftp.bit.nl:http         TIME_WAIT  
tcp        0      0 192.168.178.18:55386    keeton.canonical.c:http TIME_WAIT  
tcp        0      0 192.168.178.18:36874    haetae.canonical.c:http TIME_WAIT  
tcp        0      0 192.168.178.18:39326    ftp.bit.nl:http         TIME_WAIT  
tcp        0      0 192.168.178.18:39300    ftp.bit.nl:http         TIME_WAIT  
tcp        0      0 192.168.178.18:44582    ams15s30-in-f14.1e:http TIME_WAIT....

and:

Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags       Type       State         I-Node   Path
unix  2      [ ]         DGRAM                    16324    /run/user/1000/systemd/notify
unix  7      [ ]         DGRAM                    9851     /run/systemd/journal/socket
unix  18     [ ]         DGRAM                    9858     /run/systemd/journal/dev-log
unix  2      [ ]         DGRAM                    9862     /run/systemd/journal/syslog
unix  3      [ ]         SEQPACKET  CONNECTED     278774   @0001b
unix  3      [ ]         DGRAM                    9844     /run/systemd/notify
unix  3      [ ]         STREAM     CONNECTED     672328   
unix  3      [ ]         STREAM     CONNECTED     17853    
unix  3      [ ]         STREAM     CONNECTED     20773    /run/systemd/journal/stdout
unix  3      [ ]         STREAM     CONNECTED     280847   
unix  3      [ ]         STREAM     CONNECTED     17269    @/tmp/.X11-unix/X0
unix  3      [ ]         STREAM     CONNECTED     73730    /var/run/dbus/system_bus_socket
unix  3      [ ]         STREAM     CONNECTED     19760    
unix  3      [ ]         STREAM     CONNECTED     670256   @/dbus-vfs-daemon/socket-w2sHGKfi
unix  3      [ ]         STREAM     CONNECTED     672329   @/dbus-vfs-daemon/socket-19luYW2N...

I tracked it down up to:

32411 _apt /usr/lib/apt/methods/http enp2s0 0.572 20.516 KB/sec

31916 _apt /usr/lib/apt/methods/http enp2s0 0.547 20.490 KB/sec

The appcenter is indeed causing the problem, the solution to stop the appcenter from auto starting worked for my system.

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