Help me convert some servers to linux please.
Disclaimer: current windows admin. I have three servers I would like to convert to linux, which are all currently running on server 2008 r2.DHCP serverVPN serverQuickbooks ServerSo my questions would...
View ArticleJust wrote a procedure example for successfully virtualizing P2V a CentOS 5...
submitted by tom_spirit_ [link][1 comment]
View ArticleDid anyone take lpi 117-304 exam?
Exam objectives: https://www.lpi.org/study-resources/lpic-3-304-exam-objectives/I am preparing for it so would like to know your experiences with preparing for it. What did you use for it since there...
View ArticleAdding a second network adapter to CentOS
Hi all, I'm running a CentOS in a VMWare Workstation VM to learn some Red Hat (new to both RHEL and VMWARE). I'm trying to add a second network adapter to the VM. I went to the VM settings, added a...
View ArticleLooking to Consolidate Shell Script Locations.
I'm looking to create a single location for the shell scripts at the company I work at. We have around 100 VM's that all have scripts that are are ran using crontab. I'm looking to start using Rundeck...
View ArticleBash script designed to remove the Azazel and Jynx2 rootkits
submitted by 2tewben [link][3 comments]
View ArticleWhat are you guys using to monitor ModSecurity?
We have a fair deal of nodes with ModSecurity enabled. I was wondering what you guys believe is the best way to go about getting alerts/monitoring malicious behaviour? submitted by mk5p [link][comment]
View ArticleLooking for a NFS replacement
Hi all, I'll go straight to the point: we currently have 2 servers with NFS server installed, replicating over DRBD with mounts exported to ~50 clients. Those servers host ~2 millions of small files...
View ArticleProblems with Satellite's custom software channel.
Hey guys, I have a satellite 5.6 server that I'd like to use to serve custom packages. For example, we use QAS for AD authentication and it needs to be updated on roughly 300 RHEL 6 servers. So, I'd...
View ArticleI do not want to call it 2 factor authentication...
So I wrote a script that replaces the ssh_config, sshd_config, sudoers, login.defs, pam.d/sshd, pam.d/system-auth; adds the groups - these will need to be changed in the script to match what you set in...
View ArticleExperience with server world?
I'm trying to install, configure, and secure various services in CentOS 7, and some of these are OpenLDAP, BIND, Postfix/Dovecot, and so on. I've found a website called...
View ArticleLogging to troubleshoot crashes
I have a client whose vps at hostmonster keeps running out of memory and crashing. I'm wondering what kind of logging I should install to help me track down the culprit. I'm guessing traffic spikes on...
View ArticleAbout to venture in Load Balancing. I have few questions before I begin.
Hello folks.I have a virtual lab setup and I want to setup Load Balancing so I can learn it. I have few straight forward questions before I begin though. NGINX will be my load balancers and Apache my...
View ArticleAccepted an offer as a sysadmin, what tips do you have?
I'm leaving a security analyst position and moving to a junior linux system administrator job for a 3 letter agency. I'm pretty familiar with linux since I've been using it for years as a hobby, but...
View ArticleServer is using more and more RAM - someone ease my nerves!
Sorry in advance for the long post, but I am really struggling to get my head around this and want to provide as much detail as I can.BackgroundI am in the traditional DevOps role, although the "Ops"...
View ArticleMonitor the Business, not just the Infrastructure
submitted by wallydrag23 [link][2 comments]
View ArticleA possibly unorthodox DHCP server setup
This might be different and Googling around hasn't turned up a lot of useful clues. Here's the setup I need, I think:The broader environment already has a DHCP deployment. I can't use it for what I'm...
View ArticleNFS slow to reclaim space Dell NAS
We've got a few NFS mounts (using autofs) hanging off a Dell EqualLogic NAS. We have a process that adds and removes space pretty frequently. I noticed that after removing a large file (1GB for...
View ArticleIs this a memory leak or regular usage on a super small VPS?
Ok noob here. I'm willing to learn the necesarry steps myself I just need to be pointed into the right directon.I set up a server on digitalocean.com 512 MB RAM, 1 CPU, 20GB SSDOS: CentOS 7I installed...
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