Nice will work nicely! I think I should have apt run at 0400 hours. .... I just relooked at the man page and don't know if it is what I want. Like I said I want it to run at 4AM. I think nice just makes it take a less prioritized position. MIME-Version: 1.0 Received: by 10.182.44.129 with HTTP; Sat, 19 Sep 2015 09:25:25 -0700 (PDT) In-Reply-To: References: <0C928FC7-441F-4E11-916B-A65A4417EF37@deviltracks.net> <830760A8-C3A7-455F-BC14-C436BC5C7A50@deviltracks.net> Date: Sat, 19 Sep 2015 12:25:25 -0400 Delivered-To: bmike1@gmail.com Message-ID: Subject: Re: memory usage From: Michael Havens To: Main PLUG discussion list Content-Type: multipart/alternative; boundary=047d7b5d42d875317105201c18f4 On Mon, Sep 21, 2015 at 10:12 PM, Keith Smith wrote: > > I think crontab -e is the user crontab. In other words it will edit the > current user's crontab. I think I have just used vi to edit they system > crontab. > > > > > On 2015-09-21 19:04, Michael Havens wrote: > >> I thought that was a good idea! >> >> bmike1@c521 ~ $ sudo crontab -u bmike1 -l >> no crontab for bmike1 >> bmike1@c521 ~ $ sudo crontab -u root -l >> no crontab for root >> bmike1@c521 ~ $ >> >> But not in my case. Unless of course there is another user it is run >> under. >> So the mouse wheel in my mind started to creak..... So I inspected the >> man for crontab.... which inspired me to cat /etc/cron*.... >> which lead me down the path to ls /etc/cron.daily/ >> and in that directory is a file! /etc/cron.daily/apt/ >> >> So How to edit the file? Ask PLUG or ask the web? I opted to ask the >> web. It told me: edit crontab with crontab -e >> So I tried: >> bmike1@c521 /etc/cron.daily $ crontab -e /etc/cron.daily/apt >> >> bmike1@c521 /etc/cron.daily $ crontab /etc/cron.daily/apt -e >> >> bmike1@c521 /etc/cron.daily $ sudo crontab /etc/cron.daily/apt -e >> >> and >> >> bmike1@c521 /etc/cron.daily $ sudo crontab -u bmike1 >> /etc/cron.daily/apt/ -e >> >> all of which responded with: >> crontab: usage error: no arguments permitted after this option >> usage: crontab [-u user] file >> crontab [ -u user ] [ -i ] { -e | -l | -r } >> (default operation is replace, per 1003.2) >> -e (edit user's crontab) >> -l (list user's crontab) >> -r (delete user's crontab) >> -i (prompt before deleting user's crontab) >> bmike1@c521 /etc/cron.daily $ >> so I looked a little more in the web and so tried: >> sudo CRONTAB -E bmike1 >> >> which gave the same error. >> So now I need to ask what I'm doing wrong. >> >> On Mon, Sep 21, 2015 at 9:19 PM, Michael Butash >> wrote: >> >> I've noticed on lower-end systems, that daily cron will peg a system >>> for a bit while that occurs. I had an ancient imac with ubuntu >>> installed that the apt update would hang the system for like a >>> half-hour with an old 400mhz ppc proc, consuming all cpu and memory, >>> then swap and thus disks too. I finally just disabled it, and >>> shortly thereafter retired the outdated system itself that it >>> obviously had outlived its usefulness vs. power drawn. >>> >>> You likely have the same issue, just when using it, the update will >>> slam the system. Might be better off doing it manually, or setting >>> the update time for the cronjob to overnight when not using it. >>> >>> -mb >>> >>> On 09/19/2015 09:25 AM, Michael Havens wrote: >>> >>> the problem seems to have been checkapt.py . I tried to figure out >>>> what it does and it seems that it locks a database (apt's?). But >>>> it couldn't of been apt's as I wasn't running apt. Then I ran top >>>> again and it seemed to have corrected itself after 10 or fifteen >>>> minutes. Am I correct in what I think it does? Is it safe to kill >>>> if this happens again? >>>> >>> >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.phxlinux.org/mailman/listinfo/plug-discuss [1] >>> >> >> -- >> >> :-)~MIKE~(-: >> >> >> Links: >> ------ >> [1] http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> > > -- > Keith Smith > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss > -- :-)~MIKE~(-: