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...
View ArticleLooking 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...
View ArticleKeybox, an open-source web-based SSH console that centrally manages...
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View Article[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...
View ArticleTIL: iptables-apply exists: "a safer way to update iptables remotely",...
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View ArticleHow we reindexed 36 billions documents in 5 days within the same...
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View ArticleWhy 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,...
View ArticleSSSD kerberos question
back when I setup ldap/krb5, when I do kinit <$enter pw> on user X, i can ssh into another machine as user X without entering pw again. However, that's not the case currently. I have two linux...
View Articlesudo make me understand...
So, I installed a vm today with the plan to also install nginx and spree in order to learn how nginx works and what it takes to setup a ruby webapp. Unfortunately, spree requires Ruby v 1.9.2 and...
View ArticleFinally Official I'm a Linux Admin
Got the news today that I have been promoted to Linux Engineer officially and will be leaving the world of Microsoft behind once and for all.Such a great feeling to finally make the jump from MS/VMware...
View ArticleMissing something obvious about spacewalk. My system is green, but 49...
Hi all, I'm doing a POC of spacewalk to bring our linux boxes under some kind of central update control. We are primarily a windows house so the idea is roughly 'windows updates for linux servers' as...
View ArticlePSA: 'Leap Second' to Be Added on New Year's Eve This Year
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View Articleneed help with ldapsearch
I am trying to make my search in such a way that it will check to see if a group exists but wont print out any of the information on any of its group members, just information on the group itself....
View ArticleInstalling Spacewalk on OL 6.8 broke YUM - help!
I successfully installed spacewalk on Oracle Linux 6.8, and I am able to access the site etc.The process involved adding in epel and jpackage repos, in addition to the spacewalk repos.However, when I...
View ArticleRHEL7 to AD TLS question
We have used realmjoin to connect some RHEL7 systems to an 2012 AD R2 server. We are looking at securing these connections with TLS. So our sssd.conf is configured as ID_providor=AD, but we can't...
View ArticleManaging bashrc across all user via puppet.
As of now I am simply doing /<$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...
View ArticleHow-to Monitor Server Performance With PCP and Vector on Ubuntu 14.04
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View Articleserver 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...
View ArticleTech hiring is down 40% and nobody’s talking about it
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