Clustered Monitoring with Nagios
Hi guysCurrently have one Nagios server for monitoring and would like to add some kind of HA aspect to the monitoring system. I have seen a few complex methods including DRBD and pacemaker. Looks like...
View Articlekvm/pfsense weird networking issue [x-post pfsense/homelab]
Idk if this is the right place for this, but I'm hoping you guys can help me out.So, I've started messing around with kvm under CentOS 6.5 and I want to build a networking/security/etc. test lab. Here...
View ArticleHelp: Introducing linux to a live environment (Career advice...)
I have recently taken over a mediumish-sized network (largest I've worked on) and am in the process of completely rebuilding it from scratch.I have about 100k in equipment that is brand new but due to...
View ArticleIntroducing Rustning -- SSH Private Key Management
So I have written a tool for management of loading ssh private keys. At work I load a ton of keys everyday to just make it 90% easier for me to get in the systems I work on. Originally a co-worker came...
View ArticleTesting /etc/crypttab without a reboot
I've got my rhcsa exam in a few weeks and whilst I'm confident with luks - I'd like to save some time by not needing to reboot to test the syntax etc of the crypttab file. Is this possible?My...
View ArticleLTSP server best practices
I am implementing a LTSP server coming up to serve 4-10 clients and I wanted to get some ideas about best practices. I plan to use local applications to take some load off of my server and keep...
View ArticleI wan to build my own WIFI AP using linux
Hey,I want to build a WIFI-AP using linux. I was wondering if it would work with any USB-WIFI hardware supported by the kernel? Are there other things to consider too when buying the hardware or will...
View ArticleDid I just screw anything up? Debian/proxmox/openvz container resizing problem.
I've got a single server running debian 6.0. We mainly use this server as a production fileserver for my company but we're running out of space on the share that is available to us for storage....
View ArticleAfter updating libgnutls26, do I have to restart all applications using this...
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View ArticleUbuntu 12.04 - How do i lock a user account to only user sftp/scp and only to...
Hello!Due to some oddly specific requirements I need to lock a user account to web-server to only have the ability to upload content to a specific directory using sftp/scp and can't quite get it to...
View ArticleRemote GUI connection without running a GUI?
I know this is a n00b question, but is this what ssh tunneling is? Can I have no GUI running on my local computer, but have a service running on it that gives me GUI if I VNC/SSH into it externally?...
View Articlecan i virt-install (xen4.1) a paravirt desktop ubuntu, or do i have to go...
i know that for something like windows i'm stuck with HVM, but i'm hoping that i have more options here.i have a dev who wants an ubuntu VM with a GUI desktop, so i am looking at options. i did an HVM...
View ArticleSatellite replication & rsync
Background: I currently have a 3rd party backup appliance that backs up our data (Oracle datapump dumps) and replicates it to another data center. However, my data size is growing larger every week and...
View Articleone way traffic between two networks (iptables)
Hey guysI need help with iptables on my centOS clearOS box.My network is connected to a big company's network via an ipsec vpn. My goal is to make it impossible for anyone on the remote network to...
View ArticleHow to encrypt/decrypt network storage locally?
My goals are:Mount shares on my NAS from anywhere through the internet.If my NAS is compromised (unauthorized access, theft, etc), there's no security breach.Ideally, I'd use NFS/CIFS/SSHFS to mount an...
View ArticleLXC Network Bridging
I have been experimenting with LXC recently and I am hitting a brick wall when it comes to giving my containers network access... I set it up using the guide here, but it leaves off network...
View ArticleOpenstack question
I have two instances running under my openstack deployment so far. I am trying to attach a volume (cinder) to one of them, but it won't attach. I can attach the same volume to the other instance and...
View Article1-liner for process cpu & mem tracking?
hey everyone,I was just wondering if anyone would be so kind as to post/re-post a 1-liner I recently came across and has somehow vanished... it was one where someone asked how they could cron a script...
View ArticlePXE boot Chromium OS?
I've got a couple of XP labs at a private K12 (currently on Google Apps) that I think could be effectively moved over to Chromium OS. For ease, I'd like to network boot the systems instead of...
View ArticleCentOS File Permissions Help
So I'm pretty stuck at the moment after googling my ass off for the past 2 days.I am trying to get VSFTPD to work with virtual users - that is set up, able to connect and upload files. I have changed...
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