What's your preferred network/services monitoring tool as of summer 2015?
This gets beaten to death every so often here and in /r/sysadmin but we're thinking of migrating from Solarwinds after a few years there and I'm curious how you all are viewing Nagios and Nagios XI...
View ArticleAny experience with ZoneMinder?
Anyone know how to get ZoneMinder to stop showing my /dev/video0 device as red?I've compiled ZoneMinder using Salckbuilds.org on Slackware 14.1 32bit. I have a Logitech c270 usb camera hooked up, doing...
View ArticleGood books on Linux sysadmin?
Hello folks,I apologise in advance if this is not the appropriate venue. I am wondering if anyone could suggest good books on Linux sysadmin. I don't have a distribution in mind.I'd like to cover...
View Articleanti-Spam / RBL recommendations for postfix
Hello again.I am looking at ways to improve my spam handling in postfix as a learning experience. You will see my current smtpd_recipient_restrictions from main.cf below.I would like to hear what if...
View ArticleProxmox VE with 3 disks. Best raid/backup config?
Hi all. Helping out a friends business who was running Linux (web app and NFS shares) and a win2k8 install (legacy Windows app) in Virtualbox. He recently acquired a supermicro 1u dual xeon server with...
View ArticleNeed your help, NFS is not being mounted by majority of my clients.
I have a Slackware 14.1 server running as an nfs server. My "clients" are simply other computers/devices that are not able to connect to the NFS server for some reason, but previously were able to when...
View ArticleHow can I remove these dumb rules libvirt created in iptables?
I will be using libvirt for virtual machines, but I will be using my own br0 interface I made and not the from virbr0. I have already disabled the default network libvirt creates following here...
View ArticleAnyone have experience with GlusterFS?
I can't seem to find too many resources on GLusterFS, it doesn't seem like it took off like it was expected(?) to... I'm looking to use GlusterFS as the storage back-end in an oVirt cluster I'm setting...
View ArticleGrepping string from email sent by third party
We have a vendor who sends us some data every night. We then have to use a number sent to us, and run a script with these numbers as an argument. I want to automate this desperately but am not sure how...
View ArticleNFS keeps restarting or is not ending correctly? Constantly having to re-play...
Alright so if you've read/responded my previous post about NFS, thank you. I think I have figured out what all of the necessary ports are, regardless I am running with iptables -F for testing...
View ArticleMigration of Mailboxes from Dovecot / Postfix to Google for Work
Has anyone migrated from Dovecot to Google for Work in a large scale ? I have been trying to get offlineimap to work, but it blows up when ever it finds a message that it feels isn't correct. I was...
View ArticleHas anyone started running newer systemd-using distros in production?
The company I work for doesn't even have pre-generated images for CentOS 7 or Debian 8 yet for customer servers, despite CentOS and Debian being our "officially supported" distributions. I've run a lot...
View ArticleHow can I encode a string in base64 when using tail -f
I'm reading a log file with tail -f, filtering it with grep --line-buffered, parsing it with awk 'print $1 " " $2}' and in the end I want to base64 the result.I know the pipe creates a stream and I...
View ArticlePacemaker/Corosync, DRBD on ESX virtual machines issues - Split brains
Hello everyone, I've been struggling with the above for a while now and eventually decided to look for help on Reddit.I have 2 VMs, /home partition is managed by DRBD, on top of that I have a Pacemaker...
View ArticleSamba help: win pc's on the domain can't access standalone server. :...
submitted by lykwydchykyn [link][1 comment]
View Article[Spacewalk 2.3] [CentOS7] VMs created from spacewalk are being created as...
This is really just a copy/paste from my mailing to the Spacewalk mailing list, but I figured a wider audience might help with what seems like kind of an odd issue. I am working on the mythical...
View ArticleMoinMoin on Debian 8 assistance needed
Does anyone know of documentation for installing the MoinMoin wiki software on Debian 8? I found old articles but they do not apply with the new systemd stuff and wiring up uwsgi is a bit confusing to...
View ArticleRHN CDN Paths?
I'm looking for a list of RHN CDN paths, i.e. ... :https://cdn.redhat/com/content/blah/blah/blah Having some difficulty tracking down some RHEL 4 AS/ES channels (yes, yes, I know ... but I have to...
View ArticleCentralized Linux Patch Management
Does anyone have any suggestions as to what the best centralized patch management system for Linux would be? I've heard of Ansible, Chef, and Puppet, but I'm looking to see what the community would...
View ArticleCentralized Logging Server
Does anyone have a preference for a centralized logging server? I've heard of ELK and graylog, but I'm looking for something that's relatively easy to set up and can allow for both Linux and Windows...
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