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I am try to install OMD Open monitoring in Ubuntu/Debian but after...

Hello everyone, I tried to install a monitoring system for my Org. First I tried in Debian 8, I couldn't able as the OMD provide an .deb package. the installation was successful but there is no omd...

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Proxy portal page using squid?

I have a working Squid proxy and need a PHP script that will act as a proxy portal. I know I am not using the correct terms here because I have been searching for the past 3 days and have tried 4...

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Issues with nginx, systemd, and node apps

I have a node app that runs and converts html string to pdf and returns a download link. It's fronted by nginx and locally (on my mac) everything works without flaw. On aws redhat linux I can't get the...

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Secure key forwarding?

I'm currently dealing with what to do about key forwarding. We use a bastion host as a jumpbox between a secure DMZ and our office. With this, we use key forwarding. I know that those keys end up in...

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Help with personal VPN routing and iptables

Hi, I'm trying to setup a VPN to work because sometimes I connect to crappy ISP and their connection sucks, so I want to protect my traffic and ensure a better quality in service so I can work faster;...

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help setting up a mail server on CentOS 6

I am picking up a project a former employee left unfinished. I got the project after they got the wordpress working (so working AMP stack).At this point the server is unable to send email through PHP....

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SSL Warning on apex domain, but not subdomain

Hey all,Sorry in advance if this isn't the best place to ask. I'm not sure how/if this can be "fixed", but I have several sites where going to http[s]://domain.com results in a certificate error...

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RHEL7 RHCSA Question

Would it be possible to study for the RHEL7 RHCSA exam using a RHEL6 RHCSA book? Specifically Sander van Vugt‘s Red Hat RHCE/RHCSA 6 Cert Guide. (My university's library doesn't have the newer one.)...

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Ubuntu routing issue

Hello. I have two networks, connected via VPN. One is 192.168.22.0/24 and the second is 192.168.12.0/24. Both of them are using virtual machines running Ubuntu, behind NAT, to provide the IPSec tunnel....

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Docker or VM's?

I have a small home server, but am not sure if I should use Docker or VM's. My server is not very powerfull and is mainly used for NAS/HTPC stuff, but I want to run some networking on there too.I think...

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Getting down and dirty with ps

Hey everyone,I recently had to do some memory troubleshooting with one of our customers systems and decided it was time to really dig deep into ps. First off, I didn't realize just how lazy I had been...

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FreeIPA AD Trust - SSH Keys

I've been messing around with some more advanced FreeIPA stuff lately. I've successfully setup a FreeIPA & Active Directory trust, users can authenticate perfectly from the AD domain, I was just...

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SSSD stripping domain name from UID. Suggestions?

Hey everyone! If this isn't the right place to post just let me know and I'll move along. I'm really stumped and could use any insight at all.I'm configuring SSSD for my LDAP/Kerberos setup. It's...

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How to use touch command in linux bash script

I am creating a script to run some task and I need to create an empty file when i place a command liketouch /etc/myemptyfile.confit not working again I dotouch /etc/myempty.confthis line also not...

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Biggest issues encoutered and creative solutions

Hello,As a new linux admin, I would like to hear about what crazy problems you have encountered during you career and how you fixed them?Also what is the most original solution you have come with?For...

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Want to demonstrate a Postresql high availability cluster, what clustered...

I want to demonstrate a Postgresql high availability cluster. I haven't decided if I would want to do it on single board computers or on LXC on a VPS or a laptop. I was thinking about using DRBD...

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R on Linux vs Windows

Hello, I work as a support staff for a university and one of the faculty member in our economics department was requesting to have Linux instead of Windows as his operating system. He claims that R...

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Running into issues booting resulting iso from following the Ubuntu...

I am running through this tutorial https://help.ubuntu.com/community/LiveCDCustomizationFromScratch. I used xorriso -as mkisofs because mkisofs wasn't in my repository.I got the following error while...

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ISCSi, scsi_id issue,

I posted this on /r/linuxquestions and got no love. I am banging my head against a wall about this issue. Do any of you all have an idea?This is a follow up to a question I posted on /r/vmwareSo I have...

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RHEL 7 kernel patching

I'm running CentOS 7 servers at work and someone asked me how i patch my kernels. I don't actually but I lied and said with patch and diff files. apparently that isnt the way anymore. now i realize i...

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