How to clear memory?

[Michael Havens]

it was strange.... I switched to chrome and everything was running great
for like a month and then everything dragged to a crawl. I then switched
back to firefox. A couple of weeks later I reinstalled chrome and
everything is running great now. I guess chromes programmers had to do
something.
:-)~MIKE~(-:


On Tue, Nov 20, 2012 at 9:19 AM, Lisa Kachold <lisakachold at obnosis.com>wrote:

> Hi Joe,
>
> On Tue, Nov 20, 2012 at 8:35 AM, <joe at actionline.com> wrote:
>
>>
>> Yesterday, I tried to post this question to plug,
>> but it was bounced back as undeliverable.  Wonder why?
>>
>
> Evidently there are problems with stability at Deru?
> Many in PLUG over the years have offered to donate hosting, however, Hans
> has never agreed to it.   DeVry University provides some level of services
> for the BigBlueButton server at a local colocation that also might be used,
> as I understand it.   Moving the domain is actually quite easy since it's
> hosted under the .US name.
>
>>
>> Anyway, here it is again:
>>
>> My systems have begun to run very slowly.
>>
>
> Joe, we need EXACT details.  "My systems have begun to run very slowly" is
> not sufficient.
>
> What systems?
>
> Please send us the output of:
>
> uname -a
> free
> ps -aux
> dmesg [last 20 lines]
> tail -n 100 /var/log/messages
> ethtool eth0 (or whatever your net is defined as) or wlan0
>
>
>> Is there some way to clear memory without shutting down or logging out and
>> back in?
>>
> You should never need to "clear memory".  There would never, in a linux
> environment be an instance where "clearing memory" would be required.
> If you are low on swap and your system starts paging, you can add
> addtional swap, but I doubt that is the issue.  We will evaluate after
> reading the requested info above.
>
>>
>> Actually, even when I log out and back in, they are still slower than what
>> has been normal.
>>
>
> Is this more than 1 system?
>
>
>>
>> Especially Firefox has become much slower than what has been normal in the
>> past.
>>
>
> Recommendations:
>
> Clear your browser cache regularly.
> Use a NoScript plugin to ensure javascript backdoors and virus are not
> invisibly installed.
> Switch to Chrome
>
>>
>> Also, when I tried to check plug threads today, I couldn't get the plug
>> website to open, though other websites seem to be working fine (albeit
>> slower than normal).
>>
>
> I believe we have determined that this was intermittent from some
> providers and not from others, therefore it's most probably that this was
> due to a Least Cost Routing issue after a change in the BGP tables, which
> is regularly done by big providers to take advantage of cheaper bandwidth.
>
>
> Of course Deru might have lost one of two dual honed upstream providers,
> whereupon it can take up to 24 hours for all routes to equalize and update.
>
> Since Deru hosts the DNS and was unreachable, the authoritive servers
> could not be reached, and mail was therefore also DROPPED for anyone in the
> outage zones.
>
> We should at the very least obtain free offsite secondary DNS services for
> the plug.phoenix.az.us DNS, which are available for free.
>
> --
>
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> (623) 688-3392 Google Voice
> **
> it-clowns.com
> Chief Clown
>
>
>
>
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