postfix monitoring, wordpress hacks
Hey guys.Got a little problem and maybe some of you more experienced linuxadmins can help me out. I have a server that runs websites and is also a mailserver (postfix, dovecot, imscp). There are a lot...
View ArticleCan't use chown on mounted drive for Raspberry Pi, help?
edit: Resolved, turns out my drive was formatted as vfat, a filesystem that doesn't support POSIX attributes. Reformatting it as ext4 fixed things.Hi all,I am trying to set up Samba and have mostly...
View ArticleWebsite Stress Tester Suggestions
Does anyone have a recommendation for something that can simulate visitors to a website?I need something that can pull up the entire webpage (not a bot that does not execute javascript, etc).Thanks!...
View ArticleObservium Network Monitoring Static IP/DNS question?
I am running a turnkey linux Observium VM. Just got it halfway setup yesterday. Before I set a static IP address today I could add devices with the script. Today I set a static address but and can not...
View ArticleLinux options for replacing Windows AD/Domain
I am looking at exploring the option of opening a new office with a Linux based domain for Windows boxes, instead of setting up a Windows Server. I'm aware of Samba and FreeIPA, I was wondering if...
View ArticleNative BASH Colorization
I am wondering if there are any wrappers or something native to bash that will allow me to colorize certain output. I am a network engineer and am ssh'ing into routers all day long. I would love to be...
View Articlebind disabled recursion but still recursive in tcpdump
The subject is the best way I can describe it. Recursion is confirmed disabled for non-allowed clients yet I see logs in tcpdump of answered queries to unauthorized clients I have recursion set to ONLY...
View ArticleThe Review of Wayland Progress In 2016: Weston, GNOME, KDE, Enlightenment
submitted by /u/wcloser [link] [comments]
View ArticleNewbie question here: If I run fully patched Debian with SSH on port 22 with...
I see a lot of recommendations about disabling password logons and such. I wonder exactly what attack is being prevented. If my root pwd is 20 random characters, I fail to see how that can be brute...
View ArticleThoughts on creating aliases for yourself? Good practice or Bad practice?
Hey guys,Do you guys think it is a good or bad practice to create your "own" commands to make your job easier?For example... Say you are working with firewall-cmd a lot. And you get tired of its...
View Articlebypass rssh restrictions?
Hi /r/linuxadmins,I recently am trying to setup a transfer shell that can utilize (rsync,scp and sftp), and rssh seemed to be a good option.I currently have sftp within ssh setup but as you can see...
View ArticleSFTP reverse proxying / relaying
A server on the Internet has to connect on a server on our internal network through SFTP (the OpenSSH port 22 one) to download/upload some files but we are following a best practice that says that this...
View ArticleHow does accessing services on lxc containers work?
I have currently been wanting to learn about containers and have been starting to read documentation over the last couple days. I setup a Ubuntu 15.10 host and started creating unprivileged lxc...
View ArticleJustifications for using a Linux/OSX based computer to administrate Linux...
Hey..What are some reasons that you would require a Linux/Unix based computer to administrate your Linux servers at work? I'm anticipating a promotion to a jr linux admin position soon, and I wanted to...
View ArticleAssistance with Dovecot/Postfix Configuration
I'm putting the finishing touches on a CentOS 6.7 Postfix/Dovecot/Postgres server (before attempting to rebuild it from scratch based on notes alone), and I have everything working except for one thing...
View ArticleCurious issue with Cloud Linux... If there's someone using it, could you toss...
So, around two months ago my two bigger Cloud Linux KVM servers started to act weird.With weird I mean something I haven't seen on Debian before. Somehow the server gets into a read / write disk lock...
View Articlethere's a new guy at work who for some reason thinks adding fedora repos to...
submitted by /u/diebastardoperator [link] [comments]
View ArticleSysadmins who were around during the (early years) standardization of the...
submitted by /u/SMACz42 [link] [comments]
View ArticleMaking Linux Templates
What things would you do to make your Linux templates? Remove SSH Host KeysBoot to rescue mode to install new updates from chrootRe-delete udev rules (Pre-Centos/RHEL 7) submitted by /u/mercsniper...
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