Help with Dovecot/Postfix/PGSQL Configuration
Hello!I have finished setting up my (Ubuntu 14.04.3 LTS) Dovecot/Postfix/Postgresql mail server and just running into some very time consuming issues.All the services restart fine. On checking my...
View Articleless obvious benefits of KVM compared to the usual VMware stuff?
Hi all,Just wondering anyone more experienced with KVM can tell me why you chose KVM over the usual other solutions besides cost, cpu support etc. What other major benefits do you see over using KVM?...
View ArticleStarwind SAN Hyper-V equiv?
Hi gurus. I currently run a virtual SAN as it were using just 2 HP DL380 submitted by /u/archiekane [link] [comments]
View ArticleFreeIPA in a Primarily Windows Domain
Recently, I've been doing a lot of research into Active Directory. So far, everything on our domain controller can be handled by a linux box, which saves my company a lot of money, not to mention gives...
View ArticleCentOS hosted by OVH, kernel issue
Hey guys. I rant a dedicated host on OVH but it came with a custom kernel made by them that appears to be "static" I can't load new modules with modprobe so I wanted to go on official CentOS kernel...
View ArticleAdvice for a Debian man skipping the first part of RHCSA and going straight...
Hey folks, As the title says I'm a Debian man. However, I'm going straight for the Red Hat System Administration 2 course followed by the RHCSA exam as the first one seems kinda trivial given the...
View ArticleSpeed up du -h of a multi-TB directory?
I can't be the only one who is frustrated at the time it takes to get the size of a large directory. With the amount of data we are now expected to manage, our basic tools seem to be failing us when...
View Articlessd + pam - having trouble with multiple domains
We currently use sssd for ldap auth using a domain called domain/LDAP, which has an ldap_access_filter to control who can ssh in to various servers.What I want to do is add another domain that also...
View ArticleFile System for 200TB?
We're running RHEL6 in a VM and need to attach 200TB of storage to it. I don't manage vSphere or the hardware, so I'm less concerned about getting the storage to the VM versus utilizing it.I just put...
View ArticleLinux laptops
We've had several requests from our developers to get Linux laptops. Until now we've supported Macs and various Windows laptops over the years, and we just pushed the developers to Macs since it does...
View Articlenftables: Port redirection woes
I'm trying to redirect port 113 to 11113 with nftables. Unfortunately, the connection is consistently rejected. The counter says 0 for both copies of the nat redirect rule on v4/v6. For testing, I'm...
View ArticleApproaches to conf generation
I am setting up the tools that will setup new environments and deploy scripts for some nodejs sites we're making. We're using nginx as a load balancer/reverse proxy so atm I'm trying to start with...
View ArticleMedia hell. Or, a first world problem FTW.
I need advice on what media software you use. Typically, I only play media files. However, my library is getting to the point where it needs to be managed. And once its managed, I'd like an easy way to...
View Articleubuntu 15.10, winbindd and dhcp
I have samba-ad-dc running on 15.04, most of the clients on 15.04 also. As I have some problems with the cifs shares under 15.04 (mount ignoring options) i was looking to upgrade the clients to...
View ArticleQCOW2 Preallocate existing disk image?
I have a disk image I converted from RAW to QCOW2, after the fact I found that I could have preallocated the space during conversion. I am wondering if there is a way either online or offline to...
View ArticleNeed your feedback on my documentation of Linux CPU usage Percentage calculation
submitted by /u/LeoG7 [link] [comments]
View ArticleForce umount of partition on missing disk (RHEL 5)
Here's a fun problem. Second time I've had this happen in the past month or so.On an RHEL 5 system, I have a 300GB SATA drive (/dev/sdl) with an ext3 filesystem on it sitting in a Promise JBOD. It was...
View ArticleAny LPIC-2 cert holders here?
Failed 117-201 for the second time today. Test is half fill-in-the-blank and the questions are vague enough that 10 answers are correct for each one. Even the multiple choice questions will have 2 or 3...
View Article"Fresh" install of Ubuntu on KVM by hosting provider, but ssh log shows...
I'm doing dev work for a client who leases a dedicated server from a hosting provider, and he recently had a tech from the hosting provider set up a KVM virtual machine on the server with a "fresh"...
View ArticleDoes X make both my GPU's share the load of rendering the desktop?
I've got an issue where adding a GPU to my machine and running a second screen off it causes a lot poor performance for things like gifs, or simple menu animations, or moving windows around while on...
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