Hired some new help! Are there good reference books for entry level Jr. Admins?
We just hired a new guy (real sharp) to help me out with administering 800 physical servers. Work believes strongly in improving and learning, so I want to get this kid some books. He knows his way...
View ArticleLooking for a modern metric graphing solution
I maintain a small group of machines for personal use - minecraft servers, email servers, and so on. I recently undertook the task of implementing monitoring for them, and had an excellent experience...
View ArticleLooking to know more about strace
I am looking to learn more about troubleshooting with strace. What resource would you guys recommend? submitted by larrymachine [link][13 comments]
View ArticleBest way to see what jobs were running on a RHEL box at a certain date/time?
Hi! I'm a junior admin in a Solaris 10 / RHEL environment and have been seeing spikes in CPU utilization nightly between 10pm and 11:30 pm and am wondering what the best way to go about investigating...
View ArticleTroubleshooting with strace
Hi fellow admins, the other day my X11vnc broke and I have no idea how, possibly while trying to get Street Fighter II: Hyper Fighting working. So no more vnc over ssh, which is no beuno. When I run...
View ArticleAn idea to fight spam on my personal email server. What software can I use to...
Hello,I plan to set up a personal mail server on my own domain, but I am worried about spam.I though about greylisting, but I really want ZERO spam to go into my main account (i will have other...
View ArticleManaging multiple SSH/RDP servers via Linux desktop
Tell me your story :)How do you manage it? Any decent GUI (GTK/Qt) client?I have a branch of SSH servers that's not accepting SSH keys, but accept PASSWORD instead of it (sounds stupid and insecure,...
View ArticleWhat's the difference between "$ hostname demo" and adding demo to...
Hi,What is the difference between$ hostname demo and adding demo to /etc/hostname? submitted by LamborghiniGallardo [link][10 comments]
View ArticleBig data vs Cloud Engineering which skill will remain more valuable?
If you had to choose between a Hadoop Big Data role or a OpenStack Provisioning and Python API gig, both paying the same, which would you choose for long term career marketability? submitted by...
View ArticleNeed to give few reasons to my employee how the company would benefit from me...
So I want to take RHCSA/RHCE exams in the next few months. If I can give few lines of reasoning how my company would benefit from me getting the certificate (versus not getting it) I could get it to...
View ArticleHow to configure a load balancer on a local machine for testing/experimental...
Hi,In my local Apache, I have configured two virtual hosts one listening on port, say, 8081, and the other one on 8082. They both serve the same app.I want to run a load balancer locally, say, on port...
View ArticleHow do you collect software inventory data for your servers?
Just wondering how people do this for their linux server deployments. Even if you're using config management like puppet or chef, you typically only know that, say, an sshd package is installed on the...
View ArticleWhat are your thoughts about Oracle VM?
We have experience with vSphere but we are exploring other alternative$. submitted by kojimoto [link][be commentin']
View ArticleWhat's the best technical interview question you have been asked?
I don't want to hear tell me about a project that you are proud of, i am looking more for "What does 'mv *' do?". submitted by gleventhal [link][73 comments]
View ArticlePatching Linux Systems that are not connected to the internet
Hi there, let me just say that I and my team are rather green when it comes to linux. There are much about patching we failed to understand well.We do know that we can set up YUM repository to patch...
View Articlednat to ssh and lxc
I have a lxc container running on my host (all ubuntu on a digital ocean vps) and while I can access the web server running on the container via dnat rules i can't connect via ssh to it with the same...
View ArticleWhat are the best mailing lists/blogs for Linux sys admins?
submitted by Medicalizawhat [link][16 comments]
View ArticleResizing disk partitions on CentOS 6
I have searched for a guide/tutorial on resizing (growing) a non-root partition on a CentOS 6 server, but haven't found quite what I'm looking for. Could anyone here enlighten me? I'm adding 3...
View ArticleHas anyone had any luck setting up an Ubuntu 12.04 machine with offline LDAP...
Would like to configure it so if a laptop is "offline", the user can still log in to the machine with cached credentials. submitted by augusta1 [link][5 comments]
View ArticlePerl modules for Oracle
So, my senior admin decided to play hooky on a day when the billing team is under a hot deadline. My guess is that he did this in order to cool my heels a bit since he thought I was getting a little...
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