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Visualizing Your Attack Surface

Hi,I recently wrote some code for visualizing your attack surface. I suspect people here might be interested in it.It looks at your services and client connections - the ports and IPs they're on, user...

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Redhat exam question.

Do we have access to the following command and folder location and all the commands withing it in the exam environment: apropos /usr/bin /usr/sbin submitted by /u/aceofblackstar [link] [comments]

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QLogic QLE2462 Fibre Channel HBA on CentOS

edit - solvedThanks everyone. It actually wasn't a driver issue, but a configuration setting in the card's BIOS. The previous owner had hard set the card to 2 Gbps. I Reset the settings to default, and...

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/etc/lvm/archive using up all inodes on partition. [X-post /r/sysadmin]

We are running an application that does a lot of volume management stuff, lv creating, extending, shrinking, etc. Whats a good automated way to keep the number of archives down? Short of setting up a...

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SSH Bounce Host (ProxyCommand) Using ChromeOS

[x-post from /r/chromeos]I have some VMs in my home network. On my Linux and Mac laptop I SSH to them through a bounce host using ProxyCommand in my ~/.ssh/config. Is there a way to replicate this (or...

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Which you prefer Debian or Redhat? I am RHCE certified but

Yes, I am RHCE RHCSA certified, but I am bored with redhat now, and actually I got new job(previously sr. Sys Admin). and My senior Manager want to install debain OS as a server. what is your...

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New Identity Management Features in RHEL 7.2

submitted by /u/adila01 [link] [comments]

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Sudo : You're doing it wrong Slides

submitted by /u/netscape101 [link] [comments]

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Sysadmin with no real training. What do I do if Network guy says to me that...

I got to my present position because everyone with actual skills went somewhere that they could actually get paid for those skills. I now find myself as -the- Linux sysadmin for about 200 unique RHEL...

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What do i need to learn to become a sysadmin

I'm a linux user coming on about about a year but i don't know that much about GNU/Linux in general, I'm currently interested in Getting a career in systems adminstrator and/or Network Operations. I...

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GitLab setup questions

I have been trying to get this working on a variety of platforms with the least amount of custom compiling needed. But also looking for recommendations from others who may run it.First is the compiling...

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Linux Newbie Guide: Shortcuts And Commands

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

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Need some help with iptables

Hello,I am new to linux sysadmining and am trying to set up a new server. I configured vnc to connect through ssh and that works fine. I then started configuring iptables and found an odd quark and am...

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Help Optimizing Ubuntu Samba Share

Hey Team,Hoping anyone here can shed some light or advice on the following issue I am having. Okay so I currently have a Backup Solution running on my Windows Machines called Storagecraft...

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Mounting a swap file over SSHFS, even if crazy, should be possible, right?...

On computer A, creating the swap file:$ dd if=/dev/zero of=swapfile bs=1024 count=1048576 1048576+0 records in 1048576+0 records out 1073741824 bytes (1.1 GB) copied, 6.42151 s, 167 MB/s $ /sbin/mkswap...

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Distress over difference of syntax between different commands..

Hi guys,I'm working for my RedHat certs, and I'm kinda annoyed over the different syntax that every command out there wants to use..Take for example systemctl and firewall-cmd..So you want to see the...

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Need help setting up nginx reverse proxy for an apache server

I have 1 public IP and want to host multiple sites behind a reverse proxy. I can't seem to get it to work! I've never used nginx as a reverse proxy before so any help is appreciated.The server block...

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What is the best way to setup mail server in linux

My organization want to setup an email server, I figure out two MTA sendmail, and postfix, and I think sendmail is little bit complicated, I think I should go with postfix.Can anybody guide me on...

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Samba Client to work offline and sync later

Is there any samba client that that work like google drive or dropbox submitted by /u/openpy [link] [comments]

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Any suggestions for good source ( Videos / Hands-on ) for learning LPIC ?

I was finding some good source for preparing for LPIC exam and was wondering if anyone has suggestions for good source for learning LPIC. submitted by /u/aaratn [link] [comments]

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