zfsync update - new demo + public github repo
http://youtu.be/CFhyp209NHo - new (very short) demo, showing off pv integration ==> a REAL progress bar! (zfsync will fall back to my original hacky indicator, if you don't have pv available. which...
View ArticleDebian/CentOS, Webmin: Creating User Certs/SSL Issues
I've got two linux machines with the latest webmin. One is Debian 6.0 and the other is CentOS 6.4. I'm trying to create a new user account for webmin login and create a user certificate so I can turn...
View Articleiptables state command. Is it that important?
I just got done taking two Linux admin classes not too long ago, and I just ended up switching my home server from Ubuntu Server to Centos. Various tutorials I'm Googling for guidance are recommending...
View ArticleACL rules not being honored over NFS
I set up a NAS with an external ext4 USB drive that is mounted with the ACL flag. Everything seems to work fine locally (e.g. 'touch testfile' carries the default permissions that were previously set...
View ArticleSLES, XEN, and my sanity...
OK, so I have a client that is running SLES and has three VM's on it, two other linux VM's and one Server '08 VM. I need to get the hypervisor updated to at least support Server08R2 as we are building...
View ArticleHow do I stress test and/or find out if my network and system are exploitable?
I've set up a few machines running centos for the servers and ubuntu for the desktops. They're all running in VMs. I've tried to secure them as much as possible and now I want to see if they're secure...
View Articlekernel: [Hardware Error]: CPU:0 MC4_STATUS[-|CE|MiscV|-|AddrV|CECC]:
So, randomly this message appeared on the console of one of my servers. I have been frantically searching online and all I can find is some references to bad ram. Is there a way to actually find what...
View ArticleMonitor Terabytes of Data
I'm trying to find a way to monitor all access to multiple terabytes of data. Ideally this would be a system that would log to a central database with user access dates, times, etc.I was thinking of...
View ArticleCreating Guides to Enterprise Level Security for Novice to Intermediate Linux...
Dear reddit,As an intermediate Linux user and former organizer, I have often sought out beginner level guides to executing security measures. Unfortunately, these guides don't exist on an enterprise...
View Articlesnmpd.conf entry - where am I going wrong?
Hey Admins - Please excuse my ignorance in advance.. I sort of jumped into this fire and am learning as I go. My realm is Windows SysAdmin, but I'm trying to pick up some Linux work as it becomes...
View ArticleAnyone using cobbler for provisioning? I've got a question.
I've been using cobbler for years and very happy with it, but one thing I've never been able to get working is email on completion. i.e. email me the results of a provisioned system. Has anyone got any...
View Articleneed users to su - deploy without password, but not su - root
Running ~ 15 servers, and the deploy user will need to get to about 6 of them. I added the deploy user to each box and ssh keys, but my main problem is the bounce box. Users will ssh to bounce box as...
View ArticleChange sources.list via Preseed
Greetings /r/linuxadmin!I am playing with a PXE Multi-Install server in my lab and have it working to the point where I can do an unattended install of Ubuntu Server. My issue is that...
View ArticleUpgrading from Debian Squeeze to Wheezy - Winbind troubles (FYI)
So I've been testing wheezy on the servers at work which mostly provide CIFS shares to Active Directory clients. The upgrade went smoothly, but authentication was simply not working. Winbind however...
View ArticleIamA linux sysadmin at a cancer research org and I'm doing an AMA right now
submitted by ocf_splat [link][8 comments]
View ArticleRsync question
Hi there I have some limited access to a folder. I have no root access no sudo allowed so I can't use the preserve permissions options. In the folder I have some files either owned by user A or user B....
View ArticleHow to set up users for web hosting?
I've used linux for ages, but have recently got more into managing web servers. What is the best way to set up a webserver running a few vhosts for one client?Right now I have a root user and a normal...
View ArticleHelp needed, my server has been detected for spoofed bingbot attack against WP
My shared hosting server has been detected for doing spoofed bingbot attack against WordPress, similar to http://boomshadow.net/tech/fixes/spoofed-bingbot/ , but as the attacker, not the victim.How do...
View ArticlePlease help? Zero Linux experience - company begged me to take Linux SysAdmin...
Bit of a back story:I'm a contractor hired by company X who works for company Y to do general sysadmin stuff. About a year and a half ago, I interviewed for a database job in front of a panel of of ten...
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