Finding and Replacing UUIDs
I have 4 project files with a bunch of UUID's in them and I want to replace just one of them. Right now I'm using grep to find the word "ProductName" and then grabbing the line below it which has the...
View ArticleIs it possible to break out of "sudo su - foo" into a root shell?
You've probably seen my rumblings about having a terrible sudoers file (on the order of 7K lines, each (there is more than one...)). From a systems administration perspective, sudo su - XXX is dumb...
View ArticleCan't send mails from my linux server
Hey I am "new" to linux. In a server perspective. I have used it for my desktop computer for a while, so I know a bit about linux, but for server purposes I really know notthing.But I bought my own...
View ArticleHow do you keep your shell history while moving into other users?
I know it's possible because I've seen another admin do it before but he's no longer around so I can't ask.What I want is to be able to capture history when I move to other accounts. Moving to root is...
View ArticleMatch PS1 Prompt Color w/ Dir Listing
I have the following PS1:carlos ~ $ echo $PS1 \[\e[0;32m\]\u\[\e[m\] \[\e[1;34m\]\w\[\e[m\] \[\e[1;32m\]\$\[\e[m\] \[\e[1;37m\] I would like to make the color of my 'ls / ls -l*' to look / match the...
View ArticleInhouse Email archive - Enkive vs. Piler
Greetings! We have need of a full featured email archiving solution and I'd like to know if any of you folks have experience with Enkive or Piler. They both hit all the features I need so I don't have...
View Article[Postfix] Send all outgoing mail to one address, except for /etc/aliases
For a user test case we use a postfix server for sending mail listing on localhost. Under normal circumstances it sends mails via relay and cronjob mails via /etc/aliases to a certain address. For the...
View Articlepython gitorious/github alternative?
I've been looking for a self hosted github and I found gitorious, but their ce-installer fails every time I run it. I know they have paid support, but I don't really want to feel like i'm being strong...
View ArticleBest class or task based (preferably free) method to learn linux administration?
I am content to use linux and can operate it, fix the occasional thing and install/uninstall software, etc. I would like to learn to do system administration and linux server administration. What are...
View ArticleIs Ceph or GlusterFS what I'm looking for?
Put simply, I'm wondering if it would be possible to have SAMBA on two servers in a cluster that would replicate data between each other instantly? submitted by Gadsden [link][63 comments]
View ArticleNFS won't mount this morning, used to mount with same config "mount.nfs: an...
As title says, this morning one of my NFS shares won't mount, saying only "mount.nfs: an incorrect mount option was specified" Server is Ubuntu 12.04 and client is Ubuntu 10.04. It used to mount just...
View ArticleIssue with an ftp based Centos yum repository. Yum is getting access denied.
Hello all.So, I created an FTP repository. All fine and dandy. I go to the client machine and I created a repo file for it.[MY_REPO] Name=MY_REPO baseurl=ftp://gromitracer:mypassword@192.168.1.29 #Also...
View Articleintroducing networking fallback configurations
While maintaining (very) remote installations it would be handy to be able to dynamically handle changes in the network infrastructure.Example: The internet gateway is exchanged by one by the ISP,...
View ArticleDoes anyone know to convert djbdns zone data to bind ?
Apart from using axrfr, are there any other methods to do this. Any info or scripts will be appreciated. Thank you. submitted by hkdanalyser [link][5 comments]
View ArticleHeartbleed question
So I'm pretty sure I've updated everything properly on my servers. However, it tells me I have version e and not g.:~# openssl version -a OpenSSL 1.0.1e 11 Feb 2013 built on: Mon Apr 7 20:33:19 UTC...
View ArticleVirtual NIC binded to OpenVPN tun0
Hello everyone, I'm trying to setup my server for using an openvpn connection only when this is available and only for certain applications. Since some of these applications cannot be bounded to a...
View ArticleDistributed LAMP vs All on one box
We have a very read heavy semantic web (RDF) application which is RHEL 5/Apache 2.2.3/Tomcat 6/Java 6 on one Server, and MySQL 5.1 on another. Apache and MySQL are backported Red Hat repo stuff, so...
View ArticleRouting a IP range over a different interface/proxy
Hi. First off, a small explanation of my current network setup. Recently I have made a huge change to my home network. I'm now running my router inside of a VM. The host OS is Proxmox and the router VM...
View ArticleCreating OS images to boot with iPXE
I want to be able to create custom system images to be booted over the network on my physical systems. I've been looking into iPXE (I've gotten it to work via the basic examples) and it gives the exact...
View ArticleCent OS -> Ubuntu resources
Hi, I've been using Red Hat since 1999 so I'm quite familiar with RHEL/CentOS. New management is asking that we start deploying Ubuntu. ArrrghHas anyone seen a cheat sheet / some resources that...
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