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Limit the runtime of a cronjob or script

submitted by /u/speckz [link] [comments]

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Tracking incremental change under directory path

Hello all,I had a question about best practices for tracking file change under a directory. Here's the problem; I manage a networked storage server that for a number of reasons has not been built the...

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inodes almost full and server space filling fast

Hey everyone, I'm having problems with my inodes and server space filling up and I would greatly appreciate any help I receive. Also, I don't use this server for any emailing but I feel like email spam...

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ssh -R (reverse tunnel) man page hell

submitted by /u/speckz [link] [comments]

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Bash Script to disturb services for testing | Which would you say are crucial...

I am wondering about a pentesting or better crashtesting script, that randomly kills or disrupts services through deleting a file, blocking access or other example actions that simulate every day...

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Vagrant + KVM?

What experience do you have with Vagrant in combination with KVM?I really like the concept of Vagrant, but I really dislike VirtualBox performance. So would it be a worthwhile investment to learn KVM...

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Ansible playbook doubt

Hi, I recently started using ansible and I have created many small playbooks so far to manage my day to day tasks(like - copy a script to all/selective nodes with backup, restarting a service,...

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RHCSA study lab setup question

If anyone here has happened to have setup the lab for the RHCSA according to the Michael Jang study guide I would appredciate some input..I'm setting up my VM "server1" according to the table 1-2 in...

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Woudl you install epel repo packages on a centos7 production server?

In your experience, do EPEL-only packages ever cause ocntentions on Centos7 distros? Would you pull packages from an EPEL repo on a centos7 production server or is it a bad idea? submitted by...

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Script/Program to report on dhcpd.leases

I'm looking for a way to generate reports from a dhcpd.leases file.Would like it to be able to do a reverse lookup on the MAC and report the vendor/company they owns that block.Historical reports that...

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Windows AD DC alternative

Title might not of been very clear, I've heard that with Linux you can do something similar to active directory. So a user goes to a workstation and uses their unique username and password and gets...

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How (and Why) to Log Your Entire Bash History

submitted by /u/speckz [link] [comments]

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First 5 Minutes on a Server – automated with Ansible

submitted by /u/chhantyal [link] [comments]

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sendmail not working. useless logs.

I have two machines in the same subnet. Both freshly installed centos 7.2.1511. MachineA = sendmail.postfix workingMachineB = sendmail.postfix not working. MachineA# echo teset |...

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Having trouble configuring yum-cron on scientific linux.

This is a prod critical server. For Centos 7 I can set update_cmd = minimal-security-severity:Critical and the yum-cron.conf is located in /etc/yum/yum-cron.confFor scientific linux 6.6 thought. the...

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hard link puzzle

So what't the rationale behind this? (I'm on Ubuntu 15.10)I can't increase the ref count on a file owned by root (-> Operation not permitted). Which makes sense, since as "user" I don't have write...

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Create local group on domain-joined Oracle Linux with domain group of same name?

I created a new server, and joined it to our domain via SAMBA+WINBIND.I then compared the /etc/passwd and /etc/group files of an existing Oracle DB server (also domain joined) and tried to create the...

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How should I divide my data for backup media?

I would like to write long term backups to Bluray discs and I have a hard time separating my data into the write size chunks. Right now I use the xorriso suite to interact with the ISOs and the drive...

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Is there a correct way to upgrade Samba from 3.5.x to 3.6.x/4.x?

I have a pretty old DC that shares openLDAP and Samba on the same server. Our infraestructure houses around 2k~ users.And here comes the tricky part:Our DC is a Debian Lenny, with a Samba 3.5.x that is...

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Trying to install CentOs

Hey all! I am trying to install CentOs 7 minimal from a usb but I continue to get errors during the installation process. First screen I get when I boot from the USB: http://imgur.com/HQo70DL (P.S. I...

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