Hi.

On Wed, 29 Jan 2014 11:55:52 +0800
lina <lina.lastn...@gmail.com> wrote:

> I comment the last
> iface eth0 inet dhcp

Correct /etc/network/interfaces would be (notice that 'allow-hotplug'
is above 'iface eth0'):

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp
        dns-nameservers xxx.xx.5.7 xxx.x.5.225
        dns-search eeee.edu


After editing it, invoke:

ifdown eth0
pkill -9 -f dhclient
ifup eth0


> >>> >> tcp6       0      0 :::143                  :::*
> >>> >> LISTEN      2731/couriertcpd
> >> > 
> >> > Running IMAP server on a desktop is an uncommon thing.
> >> > Do you really need it?
> > I have no much idea how did I introduce this at the first place, I have
> > just purged courier-base{p} and courier-imap{a}.
> > 
> > 
> 
> After purging, I notice sometimes the icedove runs insanely consuming up
> 100% CPU.  The not-high-active consumption of CPU by icedove is
> 
> %CPU %MEM CMD
> 34.5  2.2 icedove
> 
> Have I misconfigured something in the past again, I must admit that lots
> of things I did a little bit blindly, I mean, just followed some
> procedures in some website with the lack of deep understanding.

If you can still check you mail, courier-imapd wasn't needed.
Now, those CPU spikes - I don't know. Try running strace on icedove if
it happens again.

Reco


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