Webhost optimization
What is better, to host multiple website on the same server or to have multiple servers?We are a small agency with a good number of websites, most of them small php apps and some magento stores....
View ArticleIPTABLES pre/postrouting filter
I have a server being used to NAT a few switches for monitoring and I'm stuck trying to figure out how to ACL them. My acl works but we have an allow entry for the internal network of the server which...
View Articlecorosync/pacemaker ocf_heartbeat_IPaddr2 VIP needs a few manual pings before...
I'm setting up an active/passive iSCSI Target and I've gotten the cutover to the secondary host working. However clients are unable to connect to the target. It takes a couple of manual pings, and...
View ArticleWhat iptables guides & tutorials would you absolutely recommend for new users...
Title explains it all? submitted by socium [link][6 comments]
View ArticleLinux Server Hardware Question
This may be an atypical question for this sub, but I want to get a computer as a web server. Mostly for file download and registration. Would I be better off to get a more powerful dual CPU system or a...
View ArticleBig Data for an Infrastructure person
I already asked this in /r/bigdata (https://www.reddit.com/r/bigdata/comments/36h8pk/big_data_for_an_infrastructure_person/) but I'm hoping that I might get a more linux sysadmin bias here.While its...
View ArticleShorewall - DISABLE_IPV6 has no effect?
Hi, I just noticed that setting DISABLE_IPV6=Yes in the shorewall.conf does not seem to have any effect - INPUT and OUTPUT ip6tables chains still have the main target as ACCEPT:root@fw:/etc# ip6tables...
View ArticleIn which file pertaining to dovecot should this config be in?
So I am on CentOS 2.0.9 and I followed the CentOS sasl wiki which said to put a similar config all in /etc/dovecot.conf however some particular parts of the config look like they belong in 10-ssl.conf...
View ArticleDebugging STARTTLS and SMTP Submission?
What methods are there that I can check if STARTTLS is working? I have tried openssl s_client -connect mail.mydomain:587 -starttls smtp and it comes out correctly (all the certificate thingy shows and...
View ArticleRancid - configuring email notifications (terminology)
I have a limited understanding of email, and how it works. Not sure if I need an MTA or MDA. I am trying postfix, and am unsure how I need to configure the server. Is it an Internet smarthost?...
View ArticleHow are you handling security updates?
Currently using unattended-upgrade and only taking the security patches (ubuntu/debian).Anyone else have a strategy they prefer? submitted by joshlove [link][10 comments]
View ArticleWant to work as a Linux Admin - How deep do my scripting skills have to be?
I read advanced scripting experience in bash/perl/php in a lot of job descriptions but I don't really know what they mean by advanced.How far does my scripting experience has to be to be suiteable in a...
View ArticleLearning material/videos for RedHat Satellite 5 and Storage Server 3?
Hello everyone,I've been wanting to start my career in Linux for some time now, and recently I have been blessed with the opportunity to work as a Jr. Linux Admin. Now my knowledge level of Linux is...
View Article[CentOS 7] Spacewalk - Cobbler XMLRPC Problem
Hello fellow redditors!Me and my coworker are recently trying to fullfil the following quest:https://www.reddit.com/r/linuxadmin/comments/2s924h/how_did_you_get_your_start/cnnw1maBasically i want to...
View ArticleSamba and Kerberos
Hi All,My first post so please go easy on me :).I am currently trying to set up Samba shares that use kerberos to provide access. I have managed to successfully use kerberos for NFS and SSH, however I...
View ArticleRsync behaves weirdly
OK, first of all, I must say I'm forced to use Mac where I work. I love linux, use linux at home, and mount all the stuff i can on top of linux. Arch is my pref.Now, I'm not strange to rsync and how to...
View Articlegrok pattern to filter postfix gets duplicated fields (crosspost from...
When I try to create a custom grok pattern to filter postfix component (qmgr, anvil,...), some fields added unexpectedly.My logstash configuration file: http://pastebin.com/PhYDELssMy custom postfix...
View ArticleChoosing a solution for AD
I'm currently working for a small business that has been ran as single computers and using google drive for all their file storage. Seeing as how it's a internet marketing company it's not very smart...
View ArticleAnyone familiar with ldap/sssd that can clarify?
I posted this a couple days ago: https://bbs.archlinux.org/viewtopic.php?id=199439 but haven't gotten a response. Upon further reading, it seems that I can use nss/pam with ldap OR with sssd (sssd...
View ArticleOk to install a Red Hat rpm on SLES? StorageCraft ShadowProtect SPX is not...
Do you know of any issues i might have trying this? It seems we didn't check supported versions before purchasing. The product is very new. ShadowProtect didn't have a way to backup Linux before this...
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