Anyone here using Zentyal/ClearOS?
I'd like to use one of these to replace Windows Server/Windows SBS as a Domain Controller using Samba4. Anyone here had any luck with either one of those? I've installed Zentyal, but it looks like it's...
View ArticleOpenSSH + OpenLDAP authentication with public keys
Heya,First time posting here, and haven't been posting too much on reddit in general either, so my formatting might be way off. Apologies in advance.First, I'll outline our needs and current status: We...
View ArticleLPIC-1 101 Course On Memrise
Hey guys, I have been working on creating an LPIC 1-101 course on Memrise.com [You can check it out here: http://www.memrise.com/course/631509/lpic-1-101/]If anyone thinks of anything that should be...
View ArticleFile server - 2 locations + remote users
I need to set up a new file server for the following situation:2 locations, 10ish people at each, good internet accessSome folk visit A and B and would ideally want the same loginStaff at A may need...
View ArticleWindows machine monitoring behind NAT using NRPE nagios
Hi, I have two different networks(192.168.0.x and 192.168.3.x). Both networks have a Linux machine along with 5 other windows machine. I want to monitor 10 windows machine and a linux machine on the...
View ArticleGoogle Chrome SHA1 HTTPS warnings screwing anyone else over?
We are getting warnings on our HTTPS site now, shit. submitted by gleventhal [link][5 comments]
View ArticleDistributed /home issues with disk IO
We have a CentOS 6/7 environment that consists of approximately 170 workstations and about 280 servers. Each of these machines is hard mounting an shared /home for users to store code, shell scripts,...
View ArticleKVM web monitoring tool ??
I'm running some VMs over kvm (libvirt) (RHEL6). I would like to know if you can recommend me any, almost perfect :) (i tried severals, with no really luck showing what i need)... web monitoring tool....
View ArticleHow to extend /var directory when it is full with application data like web...
http://fullstackadmin.openpy.com/2015/04/extending-var-director-with-lvm-feature.html submitted by openpy [link][comment]
View ArticleGetting to the next level
Hey guys,I'm currently a JOAT-type admin working in a position troubleshooting a VOIP product. My last position gave me exposure to alot of areas (linux, networking, windows) which has really helped in...
View ArticleApache performance tuning?
I noticed a lot of httpd processes on my VPS and it appears that the default configuration is not that optimal. When I still had 1 GB ram my vps became unbearably slow at 87 simultaneous...
View ArticleZFS options in Linux
Hey guys, I'm looking at using ZFS for a backup server and was wondering if anyone can point me in the right direction for deciding between zfs-fuse and native zfs for linux. I can't seem to find much...
View ArticleSomeone is bruteforcing my ssh, i think he's already in
I just "ps aux"-ing using my user and found that another user(userX) is spawning many "./scanssh". "tail -f"-ing /var/log/auth.log shows many attempt on bruteforcing root account on this server. I know...
View ArticleDude, where are my bytes: introducing 'Duc', a tool for inspecting disk usage
I've been working on a tool to help find out where your disk space has gone; it's called Duc (du-cached), and consists of a few tools to create indexes of directory trees and create nifty interactive...
View ArticleCorosync/pacemaker/drbd/nginx - replication on separate network
Hello fellow linux admins... I am experimenting with ha and am setting up a test environment on 2 Debian 7.8 nodes (running as xen domUs on physically separate dom0 hosts). I cannot seem to figure out...
View ArticleFeedback on website scaling article to submit to magazine
Hey all,I've written (a fairly lengthy) article for my blog that I was thinking of submitting to linux.com or some other sysadmin mags to get the name of my linux freelancing company out. Thing is I'm...
View ArticleShare your Python and/or Bash scripts?
HiI'm looking to improve my scripting and am very much a monkey-see-monkey-do type learner, if you have any small (or large) Python or Bash scripts that apply to LinuxAdmin I'd be extremely...
View ArticleUEFI Nvidia vga console complaints
I have gone to great lengths to appease Nvidia Drivers. The following does not produce a console on my hardwareset linux_gfx_mode=text export linux_gfx_mode menuentry 'Ubuntu' --class ubuntu --class...
View ArticleDebugging strange issues with ELB + Varish + Nginx
I've got a setup here that's a bit strange (inherited) and out of nowhere we're having random downtime. I've been trying to debug all day and have flat gotten nowhere with the issue.Here's the setup:...
View ArticleDo you version control your scripts?
I have two jobs. I write PHP code for our company and I do linux admin. On the code side, we have everything in a private repo in Github. And it's AWESOME. I want to do the same thing for our linux...
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