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2answers
124 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
451 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Debian [ Wheezy ] : Suricata : LibHTP outdated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
463 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 ...
2
votes
1answer
123 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
413 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 " > ...
0
votes
1answer
20 views

How to avoid receiving warning message from a mount system

I asked similar question in superuser, no satisfying answer. Re-post here with some update. I mount a remote host to my system during debug because the source code is on that host, but after I do the ...
0
votes
1answer
102 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 ...
0
votes
1answer
317 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 ...
0
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1answer
258 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 ...
0
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1answer
272 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 ...
4
votes
0answers
310 views

Implications creating System Accounts “useradd -r” Linux Fedora/RHEL/CentOS

I want to know what are the implications of create an account using -r option? # useradd -r ... The help says: -r, --system Create a system account. System users will be created with no aging ...
2
votes
0answers
108 views

Prevent scp from overwriting existing files?

Have been googling this for a while, and the problem is not so much of one where I trust my users to "do the right thing" and have them use rsync with various options to avoid overwriting files. I ...
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0answers
36 views

How can I run a “check-up” on my Ubuntu installation?

I would like to know if there is some kind of script or utility to check for problems in my Ubuntu installation. I am new to Linux and I had some trouble setting up my system, specifically trying to ...
0
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0answers
113 views

transmission-remote error 301 moved permanently

I have a debian server running the bitorrent client transmission and I want to access transmission via command line. The transmission deamon runs on port 9092, for now I just want to get a list of ...
0
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0answers
56 views

Tasksel vs metapackages

Some debian applications are installed via tasksel, rather than the traditional apt tool. What is the benefits/differences between the methods, when we already have the option of meta-packages?
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0answers
25 views

dnsbind not working from client end

I am trying to configure dnsmasq in a virtual environment. I have created 2 VMs in VMWare Work Station. Was successful in installing and configuring DNS Server and able to do nslookup of client and ...