What are some cool apps i can install in my office like owncloud,openfire...
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View Articleplease help! boot loader won't boot kernel on root partition... using refind
sorry about the uninformative title, but i'm not exactly sure what is at fault.I recently did a system upgrade through pacman, and I copied the kernel over to my efi partition under EFI/arch. i am...
View ArticleDovecot messed up, now mysql as well
Hey,Basically, what happened is that on a live server for some reason one of our techs decided to try and install Webmin. The server runs DirectAdmin which handles everything on it's own and this...
View ArticleTraining for a RHCSA... the money though
So I recently got hired as a Systems Administrator, and we use Red Hat Enterprise (I should probably be a Jr. SysAdmin, but that's not the point). I've gone through the EdX Introduction to Linux class...
View ArticleMust Have Scripts Inventory
Just curious if you guys have any recommendations for 'MUST HAVE' shell scripts which help common Linux administration tasks. I know in Linux there's 200 ways to accomplish a single goal however I...
View ArticlePassed my RHCSA this morning. Just taking a victory lap and sharing my...
250/300. I would KILL to know what I was docked for, because I tested everything and felt like I nailed it. Oh well.I've been working with RHEL near-daily as a major part of my job for the last year...
View ArticleCan I specify a different ldap.conf file for ipa-client?
I've set up a FreeIPA server and it works great. Problem is, the clients that I want to connect to it need to have a weird ldap.conf file, otherwise PHP ldap auth (completely separate from FreeIPA)...
View ArticleRHEL NFS cluster for IBM WebSphere MQ
I have a setup of 2-nodes RHEL VMs cluster serving an shared storage using DRBD and NFSv4 and a floating IP serving 2 multi instances WMQ nodes , the performance part is OK using EXT4 however in some...
View ArticleNew to scripting, need some assistance please.
Can't seem to get this to run without an error. Any idea what the syntax should be? I'm fairly certain I've got the logic good, but I keep getting syntax errors.http://pastebin.com/feuxJ2Fz submitted...
View ArticleRealmD - not well known tool but makes life easy
I run into so many people doing directory service integration on Redhat the more difficult way, OpenLDAP, manual PAM/sysconfig editing, not even looking at SSSD or RealmD. Most environment have some...
View ArticleLongtime Puppet user - Force to working with Ansible.
I don't know why I didn't try it earlier, but a recent job change forced me into Ansible and I must say ... the beautiful simplicity of it is such a breath of fresh air. My heart still belongs with...
View Article. /etc/sysconfig/tomcat6 - Does what, exactly?
Came across this in a bit of code. su - $user . /etc/sysconfig/tomcat6 cd $directory pythong $python_script Meanwhile that file exports environment variables.[root@dbserver.local sysconfig]$ cat...
View ArticleI beseech thee, Linux Sysadims! I wish to join your ranks!
I have an interview with a large Web hosting company this week for a junior Linux system administrator position. My heart is set on getting the job, and I want to do all I can to compensate for my lack...
View ArticleAnyone using Observium?
I've got a few questions...1 - How are the groups set up? Aka, is there any documentation on the scripting?2- Same for alerts, how are the alerts defined? I can't seem to find any basic scripting guide...
View ArticleLooking for an easy libvirt distro-chooser
Hey all,I'm looking for a quick and easy solution to install new guests within libvirt using qemu/kvm. I'm currently using cobbler to install ubuntu guests - but I'm curious to find out of there are...
View ArticleWould CompTIA Linux+ training help me be better as a Linux Sysadmin?
I'm currently working as a Linux sysadmin, but I know that my knowledge has a ton of gaps. I use the hell out of man pages and google but I'd like to pursue something to help me really grow.I'm already...
View ArticleLive web streaming solution opinions?
So here's the setup. I have backyard chickens, and a backyard chicken-camera. I've played with a few, D-Link and Foscam, wifi/wired cameras. All of them have the ability to stream live from the camera...
View ArticleELI5 Linux overcommit_ratio
I am trying to understand vm.overcommit_ratio. /proc/meminfo shows vm.overcommit_memory = 0, vm.overcommit_ratio = 50. In Googling about, it appears that this allows the kernel to overcommit memory...
View ArticleRhcsa questions
Hi guys, I want to study for the rhcsa but i have a few questions. Which Jang book is recommended? Theres a few listed on amazon with similar titles. I downloaded an iso of the latest release of...
View ArticleFail2ban does not detect my ssh private-key failures
I just installed fail2ban on Ubuntu 14.04 LTS server. The only access is though SSH (with passwords disabled, only public/private key authentication).I tried typing in 10 incorrect passphrases in a...
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