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specifying a relaying server in sendmail

10.50.0.180 = mail server.1) Added FEATURE(mailertable', hash -o /etc/mail/mailertable.db')dnl in sendmail.mc then I rehash it to sendmail.cf2) Added the following line in /etc/mail/mailertable...

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Looking for my first linux job

Hello all as the title says I am looking to get my first Linux. I have about ten years experience in the IT field, mainly with Windows, but I have always had a thing for Linux. I don't have much...

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Keybox, an open-source web-based SSH console that centrally manages...

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

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[xpost from /r/Linux] Linux Foundation (LFCS/LFCE) - are they gaining...

Hey folks,(didn't get any hits over at /r/Linux; since this is more career oriented, I'll try here...)I know there have been a number of cert discussions here, but I'm curious to hear from the folks...

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TIL: iptables-apply exists: "a safer way to update iptables remotely",...

submitted by /u/c0l0 [link] [comments]

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How we reindexed 36 billions documents in 5 days within the same...

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

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Why did you want to become a linux admin?

I have an interview for a jr linux admin position and I know they care more about passion than current skill level so I'm trying to put my general attitude into words. What are you passionate about,...

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SSSD kerberos question

back when I setup ldap/krb5, when I do kinit <$enter pw> on user X, i can ssh into another machine as user X without entering pw again. However, that's not the case currently. I have two linux...

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sudo make me understand...

So, I installed a vm today with the plan to also install nginx and spree in order to learn how nginx works and what it takes to setup a ruby webapp. Unfortunately, spree requires Ruby v 1.9.2 and...

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Finally Official I'm a Linux Admin

Got the news today that I have been promoted to Linux Engineer officially and will be leaving the world of Microsoft behind once and for all.Such a great feeling to finally make the jump from MS/VMware...

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Missing something obvious about spacewalk. My system is green, but 49...

Hi all, I'm doing a POC of spacewalk to bring our linux boxes under some kind of central update control. We are primarily a windows house so the idea is roughly 'windows updates for linux servers' as...

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PSA: 'Leap Second' to Be Added on New Year's Eve This Year

submitted by /u/bippity12 [link] [comments]

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need help with ldapsearch

I am trying to make my search in such a way that it will check to see if a group exists but wont print out any of the information on any of its group members, just information on the group itself....

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Installing Spacewalk on OL 6.8 broke YUM - help!

I successfully installed spacewalk on Oracle Linux 6.8, and I am able to access the site etc.The process involved adding in epel and jpackage repos, in addition to the spacewalk repos.However, when I...

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RHEL7 to AD TLS question

We have used realmjoin to connect some RHEL7 systems to an 2012 AD R2 server. We are looking at securing these connections with TLS. So our sssd.conf is configured as ID_providor=AD, but we can't...

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Managing bashrc across all user via puppet.

As of now I am simply doing /<$user>/.bashrc and deploy my configuration there. However that doesn't work if I have hundreds and thousands of users. i want all the users to have the exact same...

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How-to Monitor Server Performance With PCP and Vector on Ubuntu 14.04

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

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server memory consumption

Hi people!So, I having trouble with my vps. Lots of OOM and I simply don't know what is eating my ram.Some info:# cat /etc/redhat-release CentOS Linux release 7.2.1511 (Core) .# uname -a Linux hostname...

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Tech hiring is down 40% and nobody’s talking about it

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

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5 SSH Hardening Tips

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

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