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Public Key Management

My company needs to be managing our ssh keys better.Right now, I'm manually adding / removing keys. This is becoming messy and unorganized as we spread out over VM's and limit access to certain...

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Can't get dovecot2 to work

I've installed dovecot 2.9 using yum but I'm having issues and I'm not quite sure where to proceed from here, I'm also using postfix as my MTA. As far as I know I've got a functioning config. MySQL is...

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Tuning MySQL for Joomla site

Hello,Recently a big Joomla site at my work started to lag heavily when number of concurrent visitors gets about 30-40... Sometimes it gives 'Couldn't connect to MySQL database' error...A manual...

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Troubleshooting nightly server lock-up

One of my servers has been locking up every night, requiring a power cycle in order to regain access. I am not sure what exactly is going on, as this is a VPS, so I can't tell if it is truly down, or...

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Can anyone recommend a good training provider (on site or at training center)...

The options seem to be slim and I don't want to shell out for less than quality. I would also like to find training focused on ldap and not some application that rides on top (tivoli, RH Directory...

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Cryptsetup boot -- how to authenticate the bootloader and contents of /boot?

I have been using the Debian netinst cyptsetup+LVM (also available on Ububtu) on my machines for a while. But after a forray into bootloader security on Motorola's Android phones, it occurs to me that...

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Reddit! i need help troubleshooting a network problem :/ (usbethernet on arm...

submitted by NotOnlyEyes [link][comment]

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Puppet tutorials, anybody got one that is working 100% on Ubuntu 12.04?

Been trying to wrap my head around it on my off time for about a month now, I got a rack on 26 servers and i's trying to make things easier as well as learn something very in depth. Help me out or...

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Need help expanding a volume

I'm in need of some quick assistance. I have a virtual RHEL6 server with one 30GB drive that is about out of space. I cloned the machine so I can play without breaking the live server. I went into the...

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Does anyone log their CLI activities?

The reason I ask is because I live in CLI both at work and at home. And sometimes I forget the projects I set myself on and I figure I would start a log of my daily activities. Maybe tail -f it...

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How can you do X Forwarding with out SSH?

Hello folks. I want to have X forwarding with out the use of SSH due to performance. Is there anything available out there for free that can do the job? I have tried FreeNx but from what I can see it...

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Gtalk, the new stalker app

On my desktop I run pidgin, and I have my gmail accounts added so that I can easily talk to all my friends, as i'm sure most of you do. Recently I've started noticing that you can hover over peoples...

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Apache on Ubuntu -- setting up virtual hosts?

Ubuntu Linux configures Apache differently than do other operating systems. Maybe that is inherited from Debian. In any case, I am having a bit of trouble figuring out how to configure virtual hosts....

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What are some of the tradeoffs between different distros?

I'm trying to decide between Debian, Centos and Slackware for developer workstations and servers for a small company. I've been a server admins for 2-3 years and I've worked on all three types of...

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Advice on upcoming phone interview

Hey guys, I've just been given a date and time for a phone interview for a job I applied for a few days ago, with the job title being Junior Linux Engineer for a large companies network operations...

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Monitoring remote sites behind firewall/NAT; Asking before I re-invent the wheel

Hi,I've been a Linux hobbyist for several years, and I'm now in my first job that's 100% IT work.I've got a few dozen remote sites running CentOS 4 servers. They're behind firewall/NAT with a port...

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Upstart task to scan for and activate any block devices with type swap; based...

submitted by UnwashedMeme [link][1 comment]

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Automatically encrypt new users when they first log in

At work there are a few ubuntu desktops. I've managed to get Active Directory users to authenticate and their home directory is pulled down automatically with unison. I can also encrypt these folders...

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Looking to setup an email (smtp?pop3?) server.

I've never setup any type of email server before although I do help run an Exchange server at times. So I'm looking for some help here. I've already done some googling but in my experience, unless you...

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Linux Admin interview coming up, with a total of 5 people interviewing me.

All of them, except two, will be a one-on-one session.The following positions are of the people interviewing me: A Software Director, two IT Managers (different teams, I believe), a Sr. Developer, and...

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