Header Shadow Image

Schedule job on linux using at

[root@mbpc-pc mnt]# at now htpc.ksh syntax error. Last token seen: h Garbled time [root@mbpc-pc mnt]# at now at> /mnt/htpc.ksh at> job 12 at 2014-10-12 14:04 [root@mbpc-pc mnt]# [root@mbpc-pc mnt]# ps -ef|grep -i htpc.ksh root 26031 26030 0 14:04 ? 00:00:00 /usr/bin/ksh /mnt/htpc.ksh root 26042 24646 0 14:04 pts/2 00:00:00 grep -i htpc.ksh [root@mbpc-pc mnt]# For [...]

Screen for Unix and Linux: Howto and Reference Guide

This is a short Screen for Unix and Linux: HowTo and Reference for everyday use.  This quick screen tutorial and reference guide aims to provide the most commonly used features of this very useful utility.  When working with multiple ssh terminals it's handy to save a session especially where typing passwords is required often or you [...]

AIX Linux Permissions Problems and Solution of CHMOD 0

Nuking your permissions problems on a server is typically just as bad as wiping out the server.  Before you start trying to compare permissions server to server based on what they were elsewhere on a similar host, take a backup of the already misconfigured host.  Yeah your system is already messed up but at least [...]


If you're getting this sort of issue: $ smbclient //$  /mnt/winshare-I -o rw,user="MeUser",password="somepassword" -v Domain=[WINPC_NAME] OS=[Windows 5.1] Server=[Windows 2000 LAN Manager] tree connect failed: NT_STATUS_ACCESS_DENIED $   Then follow us on our Samba / CIFS Connectivity page for the resolution to the issue.  Hope this helps out! Regards, TK

Get BIOS Version through DMIDECODE on Linux

To check your BIOS version, issue the following at the prompt:

Program terminated with signal 6, Aborted Linux

This is an extension of the gdb and cores file post earlier and viewable int he link below.  In this case, whenever we restart or try to shutdown the system, we see a brief message on the prompt about some crash which quickly disappears.  Then the system restarts but is not capable of shutting down [...]

Waiting for sound system to respond error on linux with pulseaudio

When trying to launch System -> Preferences -> Sound you get the following message in a panel: Waiting for sound system to respond In this case, this was the result of my tinkering with the sound system, in an attempt to try to make multiple applications use the sound drivers simultaneously instead of the sound [...]

Linux: e1000e kernel panic with Intel 82574L kernel panic and ASPM

So I bought myself an intel GigE card with the 82574L chip to deal with a certain problem I've been having with the RealTek one (cough).     So I wanted to try another chip other then RealTek ones to see if that would make a difference.  I suppose one could argue I should have done more [...]

Linux Networking: Persistent naming rules based on MAC for eth0 and wlan0

PROBLEM You've got a set of devices but their names, such as NIC / Network card names keep changing on each reboot or reconnect.  This is a continuation of Linux Networking: device eth0 does not seem to be present, delaying initialization.  where we resolved a similar issue due to naming but here we'll make it [...]

Linux: Resetting an MD5 hash for ssh or ftp login.

Just happened to have forgotten a password for one of my user accounts on my workstation and remembered a handy little thing one can do to reset a pass. If you have root access, one can simply regenerate the MD5 hash with:

  Copyright © 2003 - 2013 Tom Kacperski (microdevsys.com). All rights reserved.

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 Unported License