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83 views

Redhat subscriptions - synchronise subscriptions

I have inherited a system admin role of a small cluster of redhat machines - most running rhel5 and one machine running rhel6. My sys admin skills are at the moment poor but I would like to improve ...
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2answers
268 views

Debian [ Wheezy ] : Suricata : LibHTP outdated

While looking to test suricata from the Debian Wheezy repo I ran into an issue. cat /var/log/suricata/suricata-start.log 23/9/2013 -- 19:25:03 - <Info> - This is Suricata version 1.2.1 (rev ...
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2answers
176 views

Can't Change CUPS password

I am running CrunchBang based on Debian 6. I can't do anything printer related. It is saying I am unauthenticated. I have tried: family@familydesktop:~$ sudo lppasswd -a family Enter password: Enter ...
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1answer
98 views

How to specify a daemon shutdown command with upstart?

In an upstart configuration how do I define what command should be used to shutdown a server. Lets say I have daemon that has two seperate processes. startup.sh - to start the server shutdown.sh ...
1
vote
1answer
19 views

Unable to get last connection info for SSH users (locked, no shell, public key) is there an alternative?

I have several remote systems connecting to my server via SSH to establish tunnels. They authenticate using a public key, their user is locked and their shell is set to /usr/sbin/nologin It all ...
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1answer
48 views

Script to see if user has logged off

I have created this program to see if a user is logged on and it checks every minute. if [ "$#" -ne 1 ] then echo "Usage: mon user" exit 1 fi user="$1" until who | grep "^$user " > ...
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1answer
167 views

AT&T UNIX System V Release 4 - How do I create a new “Administrator” user?

I am running AT&T UNIX System V Release 4 Version 2.1 inside VirtualBox, and want to create a new "user account" for myself. At first, I simply created a new user with the useradd command, but ...
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1answer
40 views

How can I tell if lack of memory is causing these crashes?

I have a tornado web server running a flask application that connects to a postgres 9.3 database on an ubuntu 12.04 box. The application has been crashing intermittently and I am trying to understand ...
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1answer
68 views

telinit 1 and run a command there

I need to do some maintenance on a bunch of Debian (Wheezy) systems, and it has to happen at run level 1. But not all machines have a keyboard and a screen; some are even located somewhere else. So I ...
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1answer
97 views

Unidentified network connections

I have an external-facing ftp/webserver (with virtual hosts) running Ubuntu 12.04LTS, and I have some concerns about some network traffic I'm seeing. Some background. I tried to be as preventive in ...
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1answer
163 views

LPIC-1 for non-professional experienced user

I am interested in trying out the LPIC-1 certification however I am slightly worried that I may not have the needed professional experience to pass. I am still studying hard and running a lab with a ...