How to extend an LVM partition on a virtual machine (like a neanderthal) aka...
Hello fellow Tux-loving brethern :)This is my followup post to this thread I made last week asking about how to extend an LVM volume on a virtual machine. I did not want to compromise on three things:I...
View ArticleHow-To Monitor EBS Volume Performance By Generating An AWS CloudWatch Alarm
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View ArticleNow u can order Michael Jang's 7th Edition with promo code "HOLIDAY30" to get...
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View ArticlePing and setuid issues
I am having a hell of a time on a centos 6.5 box trying to be able to ping as a standard user. I get the error...Cannot create a raw socket (are you root?): Operation not permitted E: Cannot create...
View Articlefirewalld not respecting source address?
Hey guys,I'm having strange issue, I'm adding new service to my public.xml and it looks like that:<service name="sip"/> (UDP 5060) <!-- cisco --> <source address="192.168.0.2"/> And...
View ArticleLinux on the backend, Windows on the frontend? Do I have the skills for this?...
Hello, fellow sysadmins! I have a client that currently uses Windows for all of their office PCs, and Windows Server for their in-house server. It's come time for them to upgrade hardware, so they...
View ArticleNeed some help fixing permissions
3 weeks ago I made this post: https://www.reddit.com/r/linuxadmin/comments/3s974e/newbie_linux_admin_lost_write_access_i_think_cant/I thought it solved my problem at first but it turns out that I need...
View ArticleChrome 47 has broken NTLM auth with squid based proxies.
In case anyone has missed it, chrome 47 no longer works with NTLM auth on squid base proxies, breaking many users. I posted about it over at /r/sysadmin, but was told that I should post it here...
View ArticleSpammer smackdown
this server is listed in the CBLlsof -i | grep smtp SPAM SPAM SPAM SPAM SPAMexim -bpc 26000+ spams in outbound queueexim -bp | exiqsumm SPAM SPAM SPAM SPAM SPAMexim -bp > qdump.txt spam is being...
View Article[Help] I curropted something, and my Ubuntu Server will not complete boot up....
Hi guys,Basically I was having some trouble running Steam (I use this server for InHome Game Streaming as well as Plex, and webserver), so I began investigating how I could fix it.I ran across some...
View ArticleTrouble starting NFS service
Hey everyone,I'm scripting out an installation with ansible and am running into a problem with the NFS server starting correctly. I originally thought there was a problem with dos/unix endlines in the...
View Article[SHOREWALL] - Help: Turn off all Shorewall logging?
My kernel.log and messages log begin to fill up anytime the Shorewall service is running. I've got most of the stuff turned off but there is one persistent bit that keeps being logged (shown below).Is...
View ArticleOpen source hosting panel
I'm looking for some recommendations for a hosting panel to support my many domain names and for others. I've used Zpanel but with the myriad of security issues I can no longer use it. I've been...
View ArticleLogic in fstab?
Is there a way to add logic to /etc/fstab that would allow you to control what gets mounted how under which conditions? This seems like something that would be commonplace, but I've never heard it...
View ArticleDamaged /boot -- Press I to ignore, S to skip mounting, or M for manual...
Ubuntu 14.04.3 LTS Server virtual machine, which I've snapshotted and is part of my home lab so I dont mind trying potentially destructive things on it. Ubuntu is the only OS on disk. It uses LVM. No...
View Article[Help] vsftpd Login incorrect - Centos 7
SOLVEDI used a shell which wasn't in /etc/shellsSOLVEDvsftp.logSat Dec 5 20:20:04 2015 [pid 15882] FTP response: Client "::ffff:myip", "220 Welcome."Sat Dec 5 20:20:04 2015 [pid 15882] FTP command:...
View Article[X-POST] Apache VHOSTS vs Docker Instances
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View ArticleWhat are the linux equivalents to common windows tools?
e.g Group policy, active directory, DNS management, DHCP gui, essentially all the MMC snap ins.I am trying really hard to get into Linux administration and it would be nice to know which tools to...
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