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Sendmail/spamassassin (spamass-milter.sock unsafe) with systemd after reboot.

I've been struggling with this fairly minor inconvenience for awhile now and haven't found a solution within systemd using the Before/After entries in the service files that works.Spamassassin fails...

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Mail server

I am hoping someone here can help me out with setting up a Linux based mail server.First up, I am not a complete and total noob, though lately I sure as heck feel like it. I have been running a Mail...

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dovecot, virtual users and dspam

Hello,This problem doesn't let me sleep two nights now…SetupI have set up postfix, dovecot with virtual users and dspam. I can receive and send mail. dspam seem to work. All incoming mail has dspam...

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Permission issues writing to a NFS drive.

Hello all. Before I posted this I did a search with Google and followed the solutions I found but nothing worked. The issue is that I cannot write to the NFS drive. Below is my setup./home/nfs_shares...

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New Conference in Raleigh NC

submitted by mercenary_sysadmin [link][2 comments]

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Linux Stress Test Suite (X-Post from /r/linuxquestions)

I'm looking for suggestions on what people are using to stress test their machines. I've ran across a few, can't remember the name but the tab is open at my work computer but I wanted suggestions as to...

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First Linux job?

I was wondering if you could share your first Linux job, I play around with Linux quite a lot at home and I hope to have my RHCSA at the end of the year but my job is all Windows.I have been looking...

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Need help optimizing/fixing Java heap space in Alfresco...

Hello all!I am trying to wrap my head around the intricacies of Alfresco 4.0, so please bear with me. We are currently running Alfresco 4.0 Community and are encountering errors with exceeding the java...

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In a directory with broken mount points, ls hangs but strace ls runs

Apologies - I am new to this, but just like the title says, in a directory where there are known broken/hanging nfs mounts, why does ls hang forever while strace ls runs immediately? submitted by...

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OpenLDAP: I have no words for anger.

What happened to OpenLDAP? I understand that the new design was supposed to make large installation not have to reload the ldap service when new users were added, but the complete fail that is the...

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Setting up a linux server for the first time, I'd like to do this right

Ever since my first computer I've been hacking in a variety of systems and languages, from x86 assembly to javascript, but for some or other reason I never got in bed with Linux as much as I feel I...

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So what's a linux admin's average day like?

I'm 2 years into doing professional IT, being a hobbyist in university (dropped out though). I've been using Linux as a everyday desktop platform for 7 years now, and I love working on it...

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Is restarting postfix and dovecot "safe"

I don't need to restart often but I usually do after making changes to the configuration or CRUD'ing a user/alias.By "safe" I mean, if I was to restart postfix, and a user was also in the process of...

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Favorite Distro - How come?

Back some time ago I switched from Redhat to SuSe, then to openSUSE, and have been happy with that choice until lately when I had some display problem with openSUSE 12.3. At that time one of my two...

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A few questions on kvm-based virtual machines

Hi,i have a few questions:If I decide to rent a kvm-based vps, how easy is it for the kvm host to access my data. I have read that a virtual drive can but should not be mounted by the host as it can...

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Cannot convert group domain\ admins to sid... thoughts?

I know it says to contact my administrator... and I had a meeting with myself, to no avail.I get this any time I attempt to run a sudo command as my Windows AD Domain Admin account. visudo has the...

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LVM Question about varying disk speeds in volume group

Will adding a non-SSD (slower) disk to an SSD (faster disks) volume group hurt performance If I do not create any logical volumes on the slower disk? I only need some more space in the VG for temporary...

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Anyone using a comparable Linux enterprise software stack to Msft (.net/iis,...

If so, what products and for what purpose? submitted by gillysuit [link][12 comments]

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Find your missing config lines with this one weird old grep trick!

It was the usual sort of day, (up in ur srvr editin ur configs) and I swear I was going blind after reading this stupid file 100 times: [root@mail ~]#cat /etc/lvm/lvm.conf |less ...blah blah blah For...

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rapid thin-provisioning of kvm qcow2 clones question

I have 2 KVM servers running Windows Guests. I want to create a Qcow2 image with Windows 7 on it, install the base software needed, and then make that a backing image, read-only, with one qcow2 overlay...

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