Postfix smarthost/relay based on source IP
Hi All,I have a requirement with an SMTP (postfix) server to support the ability to accept emails for a specific domain (exampleA.com) then deliver emails to a catch all mailbox. We are not the MTA for...
View ArticleOpenVAS 6 and CentOS 6.4 Issues
I'm playing with OpenVAS 6 on CentOS 6.4 and have run into a few issues. I installed using the yum repo provided on their site. I can get the system up and running but when I try to add credentials for...
View ArticleAdvice on restructuring partitions for a Samba File Server. /home is at 99%
Here is the output from df -h Filesystem Size Used Avail Use% Mounted on /dev/md1 96G 1.2G 90G 2% / varrun 1014M 3.7M 1010M 1% /var/run varlock 1014M 0 1014M 0% /var/lock udev 1014M 112K 1014M 1% /dev...
View ArticleResources for learning Python scripting?
I just finished up an intro book on Python 3 and am pretty comfortable with the basics of the language. I'm now trying to take what I've learned and apply it to scripting various sysadmin tasks. Does...
View ArticleApache mod to inject HTML code into all pages served?
Hi, I need an Apache mod which can add a snippet of HTML to every page accessed on my server.I need it to do this on pages I can't control the content of, so I can't use PHP includes, and since I can't...
View ArticleFTP/SFTP Server Setup
Hello all,I originally posted to linux4noobs but told I would bet a better answer here.I am running Ubuntu 12.04 x64 and I am looking to use it as a replacement for our FileZilla FTP server running on...
View ArticleGetting error in Redmine when trying to receive notifications in my gmail...
Hello /r/linuxadmin,My organization requires me to setup redmine. I don't have any experience with redmine or ruby. I am using Ubuntu 12.04 and redmine 1.3.2 available in the repositories (I have to...
View ArticleVersion control for web pages.
I have a PHP project that I've been working on which I am very close to rolling out to the users. It has the necessary basic function but I plan to add styling to it and possibly more features.What...
View ArticleOracle Enterprise Linux
I interviewed with a company today that is migrating from Windows to OEL. I realized I know almost nothing about OEL and how tools like Spacewalk and Puppet play with it. What have all of your...
View Articlereclaim unusable disk space
I imaged an 80GB drive with a 40GB image. How can I reclaim the other 40GB for a partition? fdisk doesn't even see it and cfdisk labels it as unusable. submitted by dxnxax [link][6 comments]
View ArticlePostfix issues
Hi,I'm farily new to postfix (Or email server management over all since I'm usually a networking guy) and I'm having this strange issue.The setup looks like this: Ubuntu server needs to relay all...
View ArticleAt my wit's end. NIC issue that I can't seem to track down. Advise needed!
I want to start this off stating that I am by NO MEANS an expert Linux Administrator. I am learning and attempting to set up a home environment for my RHCSA/RHCE studies. I have a server that I bought...
View ArticleHowTo: Setup a Ruby on Rails, Passenger, Nginx running on an AWS EC2 with RDS.
submitted by Cynofield [link][comment]
View ArticleCompiling/Running program can't find library?
So this is an interesting conundrum I've ran across recently. So our users are running Ubuntu 12.04 on their workstations and we have their home directory mounted via NFS on a RHEL 6 server (might not...
View ArticleRequesting assistance troubleshooting a strange NFS issue
I'm hoping to get some assistance on a strange NFS issue. I have a RHEL5 server that provides multiple NFS exports to my web, app, and db servers. The particular problem I'm having is, following a...
View ArticleDetect rootkits and malware on Linux Servers using rkhunter
submitted by Nextstep4it [link][1 comment]
View Articlecan't rm file, system claims stale nfs handle (not nfs)
Never seen anything like this before. When doing rm -f <file> the system says "rm: cannot remove <filename> : Stale NFS file handle.This is not an NFS mount, and never has been. df -h ....
View ArticlePartion-less drive in mdadm array
Hey guys,I'm in the process of researching how to safely restore an mdadm array after reinstalling the OS. I was greeted by numerous comments saying that it'll all be detected flawlessly due to the...
View ArticleManage Multiple SSH Sessions using ClusterSSH(cssh) on Linux
submitted by Nextstep4it [link][15 comments]
View ArticleWhat HW resources does an NFS server need for 70 diskless clients?
We're just changing from Clonezilla'd clients to diskless booting ones. Two rooms are supposed to get one server which should serve 70 clients at most. As they're at school, they will most probably be...
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