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Sendmail + domain-level aliasing + automatic masquerading?

I've currently set up domain-level aliasing using sendmail+virtusertable so that all mail (that doesn't match a better virtuser) ends up in a catch-all account (yes, I understand the security...

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At least all traces of Sun haven't been wiped out yet.

submitted by stahnma [link][2 comments]

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Ubuntu on the desktop - flash plugins

Hi all,I'm working on migrating users to Ubuntu as their desktop, one of the little gotchas I have is not knowing which is the best flash plugin to use with firefox.Adobe have abandoned flash on Linux...

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Ubuntu Netbook Wireless Problem solved for Dell Mini

submitted by morbits [link][comment]

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mod_proxy: Quick and dirty | Shadowbringer

submitted by silentium90 [link][comment]

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Guide: OVH Kernel Replacement

submitted by silentium90 [link][comment]

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Fetchmail question

Hey all, Anyone know how I could get fetchmail to receive messages from today only from a specific sender? Not finding much info online... submitted by lGringo [link][3 comments]

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What are your go-to supporting (as in secondary to primary function -...

I've grown the web hosting position at our central IT department from just me managing shared webhosting to a three-person web hosting team that runs services from shared webhosting through dedicated...

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ids with custom (file) rules

Does anyone know of a good IDS where I can add my own custom rules? Such as: no .php files in /home/*/public_html/images/ submitted by LeonBo [link][1 comment]

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Intermittent network with a FreeNAS

Hello,First of all this problem is on a FreeNAS server, not a linux one. I hope it's okay, I did not find an active subreddit for FreeBSD systems, since it's fairly similar I assumed I could ask for...

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Does anyone here use Ubuntu Landscape servers?

My work is running a fair amount of Ubuntu servers.We have 6 Test servers and around 30 Production server, all of which are headless VMware images. We have a "real" Windows Sysadmin that does all of...

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Resources to follow and use?

After a five year tenure in some high level support after 5-6 years of Linux admin and security, and several of ISP admin I may have a pretty decent likelihood of moving over to a hybrid linux...

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Recover single file from MultiVolume Tar tape

Hello,I've inherited the job of backing up data from our archive server to tape. This is kind of and advanced Linux4noobs question (I've cross posted on /Linux4noobs and /sysadmin too). I am a Windows...

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Looking for a server inventory / password management system. Any...

As the title says, I am looking for an inventory system where I can enter my server details and have them stored online. It would be nice if it was web based with access roles so I can share...

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Squid optimization

We are having Squid proxy on our Gateway server. We have around 100 computer having their connections routed through it. I am planning on upgrading it to the lastest stable version and would like to...

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Hardening sshd_config

Hi guys,I came into a new company where a lot of different sshd_configs on a lot of machines grew over the years. Now we want to standardize and in this process harden it. I know there's not a lot to...

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How do I become a good, prepared Linux sysadmin?

So through my job as a web programmer, I've found myself in the position of main administrator or one of the administrators for a number of different sites. It's part of my job, I get paid for it and...

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Tool to monitor process usage in virtual environments ?

Hey guys,I am looking for a tool like top which I can run on the kvm host and it will display something like "top" for the guest machines. Is there anything like this available ?I am called once on a...

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How to check memory on a linux server

Hi, I'm running a memcache server on a 4GB virtual machine, Centos 5.6 x64. I allocated 3.5 GB to it, but it constantly crashes with the Kernal complaining of OOM errors. There should be nothing else...

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Dynamically expanding virtual filesystem: is it possible?

I want to give users an upto 500MB virtual drive to themselves, which will be their home directory. This is easy, with some dd magic it's done in no time.However I dont want each virtual drive to take...

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