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Published on 2010-04-15T23:05:35Z
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My ruby file is like this.
`mkdir #{HOST} -p`
It works fine by: ruby mycode.rb
But in a cron job
0 * * * * ruby ~/backup.rb >> backup.log
It will a -p folder. Why?
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Jun 7 00:01:18 Isis lightdm: pam_unix(lightdm-autologin:session): session opened for user mimi by (uid=0)
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My /etc/cron.daily scripts seem to be executing far later from what I understand they should. I am in Ubuntu and anacron is installed.
If I do a sudo cat /var/log/syslog | grep cron I get something like:
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I've got an Ubuntu 8.04 server using mdadm to create several RAID1 arrays. I created /etc/cron.hourly/mdadm as follows:
#! /bin/sh
set -e
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We have about a one hundred machine set-up with each machine running cron jobs like starting and stopping services and archiving these services' log files at the end of the day to a centralized repository.
One headache we have is the three-day weekend (we're closed on holidays). We don't want the…
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I created an own small server with Debian. Last night i updated it.
It created an error while generating the initrd and it didn't boot.
Today i booted from another filesystem and did dpkg --configure -a with chroot. I also checked the filesystem.
Now everything should be ok.
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I've got a problem with apt-get update and apt-get install ... commands .
every time update or installing fails and errors are :
Get:1 http://dl.google.com stable Release.gpg [198B]
Ign http://dl.google.com/linux/chrome/deb/ stable/main Translation-en_US
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sh@ubuntu:/home/ccpp/helloworld$ make
gcc-4.6 -O2 -DMODULE -D_KERNEL_ -W -Wall -Wstrict-prototypes -Wmissing-prototypes -isystem /lib/modules/`uname -r`/build/include -c -o hello-1.o hello-1.c
hello-1.c:4:0: warning: "MODULE" redefined [enabled by default]
<command-line>:0:0: note: this is…
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I am having trouble accessing the several critical header files that show to be a part of the build process.
The "Ubuntu Software Center" shows "Build Essentials" as installed:
Next I did the following two commands, which did not improve the problem:
~$ sudo apt-get install build-essential
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I'm trying to update my Debian machine to 2.6.32-46 (which is the new stable). However, after doing apt-get update my apt-cache search linux-image shows me:
linux-headers-2.6.32-5-486 - Header files for Linux 2.6.32-5-486
linux-headers-2.6.32-5-686-bigmem - Header files for Linux 2.6.32-5-686-bigmem
linux-headers-2…
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I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux.
These days, when we need to connect to a serial port on a device we typically use a USB to serial adapter (on something like a phone system or a load balancing device, etc). I would…
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