Looking for open source email archiving solution
We need to archive more than 150 email accounts from different domains, so far we have found these free apps mailpiler , mailarchiva . our main aim is to search and archive emails , is there any other...
View ArticleTroubleshooting dovecot/postfix with maildir - mails not being detected by...
Hi all,Fairly new to mailservers, have been playing around with it for personal project. I've been trying to set up Postfix/Dovecot and I want to store mail in a non-home directory. I just want a...
View ArticleServer with a lot of streaming content. All apache pids go defunct...
The server has very high IO wait when it's busy. I already know that's a problem. I have used a combination of iostat, iotop, ps and strace to determine that the io wait is from streaming video...
View ArticleApache vs Nginx explained
APACHE VS NGINX IS A FALSE DICHOTOMYThis argument is stupid, because it is comparing web-servers in a vacuum, you DO NOT do comparison that way. Here goes explanation of the my point.THREAD PER...
View ArticleLinux admin stuck with Exchange email
So...we are stuck with M$ Exchange for email for at least another 2 years.The last real sticking point that keeps me glued to my MacBook Air and prevents 100% migration to a Linux Desktop (well,...
View ArticleInterview prep help!
So I have an interview this week for a sys admin role. The experience required is:Ubuntu and the LAMP stack Ubuntu and Debian Linux servers PBX systems administrating MySQL administrating Apache...
View ArticleCan someone explain apt repository's to me, and how I can create one to...
Hello,I have been searching google for some time now on this, but can't really find a good explanation on it.Here is what i want: - Create a debian repository - Deploy my own program (written in C, and...
View ArticlePostfix: Sending to External Users on Same Domain
One of the systems I manage runs RANCID and when we recently changed the method of procedure as far as who the system notifies for device diffs, I stumbled onto a problem I've yet to fix the right...
View ArticleOptions for keeping things separate?
I am working on a project where I have multiple clients connecting to my ssh server. I would prefer to have some segregation of what one client can see and what the other can.So far, from my research,...
View Articlesquid does not work on windows xp client (mtu problem??)
I setup squid proxy with auth using this guide: http://www.debianhelp.org/node/1713. It works fine on linux, but not on windows xp. When on windows, I cant even get to proxy. No windows ip address show...
View Articlemanaging cpu/memory resources on multi-user systems
I manage several RHEL-based research computing systems which are accessed by many users over SSH/VNC. We have one HPC cluster in which resources are managed by a job scheduler and some other standalone...
View ArticleSigning a contract with an inexperienced headhunter (for a good try-to-buy...
I got an offer from a company, great job, great perks, but it is try to buy. They use a recruiter for the first 6 months, then hire full time if all goes well. They like me so much, that they want to...
View ArticleHalp! iostat shows 100% util, can't find rogue process
Background: I'm running VMWARE converter stand alone to copy over a server.Problem: Transfer rate = very low 1xxKB/s to around 5MB/s. This is causing the transfer time to be very long, around 15 hours...
View ArticleRHCSA fastrack
Hi guysI have been a Windows sysadmin for the past 6 years and about 5 months ago got a new job as sysadmin and network admin. Since I've started I have worked with Linux much more than before. We have...
View ArticleProtecting NTPd against Amplification attacks
Hey everyone,I'm running an public NTP-server on a Debian-VPS as a contribution to the pool.ntp.org network I use a lot. But my provider complained repeatedly that my NTP server has been part of...
View ArticlePhone System Suggestions
I know very little about this, so bear with me, but I really want to learn.I want to have a phone system server. I want to put a card with analog phone line inputs on it. I want to be able to do...
View ArticleWhat are the advantages of using bsdgroups mount option?
What are the advantages of using bsdgroups mount option? Should I use it despite the advantages? submitted by Oflameo [link][3 comments]
View ArticleBeating my head trying to figure this out: how to I make an mdraid1 to...
I knew how to do it in CentOS 6, but I just cannot figure out how to setup mdadm to install / on to. Thanks for any helps/links, my google-fu has failed.edit: Figured it out, however I can't seem to...
View ArticleAdding a physical processor after OS installation
I have a new server sitting on my desk that is waiting on a second processor to be delivered from HP. I wouldn't mind getting a jump on installing CentOS 6.5 and Postgres so it is ready to throw into a...
View ArticleBenefits for buying into a linux distro? (SUSE or RedHat) A requirement for...
I've been a Linux user for some time. I've built numerous servers for work, mostly ubuntu (free), and all my home desktops and servers now are just plain debian.I've started a new job where if I want a...
View Article