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Setup a server failover.

I have a tendency to tinker with my server and cause unplanned outages, so I'd like to set up some sort of failover for my Amazon EC2 instance that will re-reroute to my home IP address. After the...

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Any one here has deployed Samba4 as DC?

I am trying to configure Samba4 as a DC on our Debain Wheezy server? Anyone here has tried it? submitted by iam_root [link][9 comments]

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Linux Admin Projects For Newbs

I have been an admin for a few years now. Have worked a fair amount with linux. I am wondering what lab tests I should do in order to make sure I am ready for a Linux admin job. So far I am thinking of...

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Samba eXPerience 2013 presentations have been (partially) released!

submitted by burtness [link][comment]

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What to do with my VPS? [x-post from /r/sysadmin]

I'm a linux admin and work with Linux every day. I just set up a personal VPS for tinkering and to have my own server off of our network out in the cloud. What are some of the things that you use your...

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Follow-up: DNS Recursion and blocking DDoS attacks

Hello admins,this is a follow-up to my previous post: Is this a threat, or just somebody's misconfigured crawler? - where we learned recursion, just say noMy IP now appears to be on a list of...

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Using rsync to create non-existing parent directories?

I'm trying to use rsync but it's throwing "no such file or directory" errors.rsync -ra foo/bar/ /test/1/2/foo/bar/ folders 1/2/ do not exist on the target destination.Anyone know of an elegant solution...

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Date/Time format in rsyslog.conf

I'm trying to create a custom template for logs going to our rsyslog server. Instead of keeping date and time together, I want to separate the fields out. I can pull the date out no problem, but I am...

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Bash tricks that you wish you always knew..

Let's share some of our favorite Bash "tricks". I'll start off!cp (or move/rename ) a file without typing path twice: cp file{,.old} print only unique lines in an unsorted list: awk '!_{$0}++'...

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Scp between two machines?

I want to do an "scp user1@host1.com:/tmp.txt user2@host2.com:/" but I don't want the first host to contact the second, (firewalls block it). Is there a config option to allow this? I want it to save a...

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Are there any packaged tools designed to automate this procedure, or will be...

System detects the presence of an ISO in a given directory.Pushes the ISO to/into/at an existing live Linux install (Debian).Images over the existing install.New install should come pre-configured with...

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Apache CGI and Perl.

I posted this in /r/apache a while back but I'm still having issues and this subreddit sees a lot more traffic.I'm trying to execute a Perl script in a web browser but having a tough time. At first, it...

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Security question regarding PHP code and sudo with the wheel group

Hi there,Supposing the code in /var/www/html looks like this, owned by Apache and with the group set to "wheel":-rw-r--r-- 1 apache wheel 1997 Oct 23 2010 wp-links-opml.php -rw-r--r-- 1 apache wheel...

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RGMANAGER not starting - creating lock file

Good Afternoon guys. Still a Linux newbie and can really use some help.I have a RHEL 6.2 cluster using RGMANAGER to handle failover of the SQUID resource. While performing some backend iscssi LUN work...

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Trying to set up GNOME on CentOS6. Error.

Hello, /r/linuxadmin, I'm trying to set up a VPS with a remote desktop and am bashing my head on the desk at this. Please help, I would be most grateful.Here's what happens when I try to do yum...

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Ubuntu Server - IT Management tools needed!

Hey.Usually i have used Spiceworks on Windows for asset management and a complete overview of my computers.Now i have a Linux server i'm going to use for all IT management. And Spiceworks is not made...

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Tracking someone with wifi and a mac address

So I needed a simple way to 'track' when our staff arrive at the office, so I put together this simple bash script that runs on our OpenWRT router and checks if a mac address is connected or not and...

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amauk comments on Do I need a firewall or anti virus, or any other security...

submitted by MTCONE [link][comment]

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Setting up a shell server - help

I am new to system administration, so please forgive me if I am asking a stupid question. I have a VPS that I would like to use to give shell access to a few people (~50 people, maximum). I was...

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Linux constant live-streaming solution?

So, I have set up ffmpeg to stream successfully to an rtmp:// server (such as justin.tv or twitch.tv). I have a directory of old game recordings that I want to stream. I already set up a script to load...

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