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Software define filesystems for filesserver?

Let's say we have a fileserver with a bunch of PCIe slots with 2x 10GE 2s nics, link aggregate/bonding to get 40Gbps. For storage, I have a bunch of hdd drives, and 4x1tb-PCI-e ssd. I mirrored the...

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double ssh tunneling to rdp a windows machine.

In putty I can do ssh tunnel binding <$source port> to <IP_ADDR:3389>. rdp into localhost:$source_port. With that I can rdp to any windows machine remotely without problem. However, now I...

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Anyone knows about this SSH Windows client named Poderosa ?

http://poderosa.sourceforge.net/It seems to be the closest to "Terminator" but in windows. However, is it stable enough to do production work? Anyone knows?I really dislike putty by the way. submitted...

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OpenBSD 6.0: why and how

submitted by /u/gobr [link] [comments]

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Reset iptables to ACCEPT all (backup and remove all existing rules)

submitted by /u/speckz [link] [comments]

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SAN Multipathing and Linux

How well does boot to SAN multipathing work with RHEL/Cent? If I got lassoed with a box that has a boot disk that needs multipathing enabled how hard of a transition is it, am I looking at a full...

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CentOS command notifies me I have a hardware failure of some sort, doesn't...

Hello, I posted here before regarding my Centos 6.8 server freaking out every two days. We're still plagued by the issue with the computer kernel panicking bidaily. I saw something of interest the...

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spurious abrtd crash report via email

Using CentOS 6.7Back in April, I received an email alert from abrtd, with subject of "[abrt] a crash has been detected"An ImageMagick cmdline process had crashed, trying to convert an image (as a...

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How do I rsync /source/new-folders recursively, while skipping recursion on...

Let's say these are in sync:/source/folderA/files /dest/folderA/files And I fiddle with some files in /dest like this:/source/folderA/files /dest/folderA/files.tar Then add folderB to /source like...

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Unable to attain reasonable 10GE results from iperf

I have 2 box, 1 linux and 1 windows. Both box have an aoc-stgn-i2s. They are connected via DAC. I will run iperf -s on the windows box, then run iperf -c <$10ge-ip-addr> on the linux box. On the...

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Installing update removes on RPM on F24

HI All, I am running Fedora 24, every time I install the latest updates it always remove's one RPM package the same one every time. Its a patch for VPNC, after an update all I have to do is reinstall...

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Feds pin brazen kernel.org intrusion on 27-year-old programmer

submitted by /u/speckz [link] [comments]

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How can I tell which driver my hardware is using?

In my other post I talked about me not achieving my desire 10GE results from aoc-stgn-i2s. So I went to here download and install a bunch of drivers, intel/broadcom,mellanox. How can I tell whether my...

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what should i start with to land a job in linux ?

submitted by /u/rusti18 [link] [comments]

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KVM Bridge Networking

Tried over in /r/kvm, but no luck. Looking for some help to understand a Linux bridge for KVM guest forwarding.Followed more guides than I can even remember and I have even tried creating a separate...

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Will my RHCSA cert help me in my situation?

I just got my RHCSA last week.The problem is- I have only 16 months IT helpdesk (little/no tech responsibilities) experience.I'm looking for a jr. sysadmin position.. mostly in the US and Canada (I'm...

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Advancing in the Bash Shell

submitted by /u/speckz [link] [comments]

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Denied ptrace's by grsec?

Hi,from time to time i get log messages by grsec that go by the following scheme:grsec: From X.X.X.X: denied ptrace of /foo/bar(bar:48701) by /foo/bar[bar:54254] uid/euid:Y/Y gid/egid:Y/Y, parent...

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Did anyone get Borgbackup excludes right the first time?

I want to backup my home directory and leave out heavy directories like my git repos, videos, tmp dir, VMs and such out so I can back them up differently and keep my home directory backup small...

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Could anyone explain the difference to me between star and tar?

I can't seem to find a meaningful difference. Google search results range from "whats star?" to "I've never really used it". The man pages seem to imply POSIX.1-2001 compatibility (which I'm assuming...

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