Fully non-interactive Debian patching
I'm a sysadmin. I've been a GNU/Linux devotee since the late 1990s and my current employer's environment is mostly composed of SuSE servers. That's all well and good, and everything is working in a...
View ArticleCareer path
So I've given some thought to my career lately. I like doing admin work, obviously, and right now I'm doing contract work. that's fine, but eventually, I'd like to settle into a field that I can stay...
View ArticleHow to define home dir for AD user?
I set up my RHEL server using this to allow Active Directory users to connect via SSH. It works fine, but I'm having two issues. One, how can I narrow it down to only allow users to connect if they are...
View ArticleLinux Antivirus
Hello all. Our security department is determined to install real time protection antivirus on our Linux servers (mainly web and app servers. No mailgates or file servers ). IMO it is going to have a...
View ArticleEver had a user on the other end while you were in the kvm console? [somewhat...
Recently, I received a ticket from a user that couldn't ssh into the box he rents from my unnamed benefactors. I fire up the console accessible via web to check if ssh is running, it's not. So, I do:...
View ArticleGet Postfix/Dovecot working on mobile devices?
I've been trying to get my current postfix/dovecot mail solution to work with mobile devices but its just unable to connect or find the server. I think the problem is because it asks for an SMTP...
View Articlefail2ban odd behaviour
I just downloaded and configured fail2ban-0.8.14 (latest stable version) on my Amazon EC2 instance. I set it up on SSH and FTP, both using iptables to ban. I have allowed 5 retries and after that it...
View ArticleNeed help setting up an anonymous Linux FTP server
I've looked at every single StackOverflow, AskUbuntu post on the subject in matter, I've even tried asking IRC but none have been successful.I have tried: Apache2 Pure-FTP vsFTPdno luck with any of...
View Articlerpmbuild multiple kernels
My infrastructure is all RHEL5/6. I know for at least RHEL5 I would need to build on a RHEL5 server and likewise for RHEL6 on RHEL6. One specific problem I am having right now is that I am trying to...
View ArticleThecus N8800Pro Raid 6 3 of 8 disks active
Hello friends, I have a Thecus N8800Pro 2u 8 bay NAS. Some months ago I began troubleshooting an issue where the device becomes unresponsive when writing or reading files. A user alerted me that their...
View ArticleI just failed my RHCSA for the second time AMA
First time, I knew I messed up. This time, I thought I did very well, but got a 199. I know I had some minor trouble, but I'm at a loss to understand how I could have lost 101 points and there's no way...
View ArticleTrouble getting pop3 to work with postfix on rhel 5.7
Okay, I have a problem with getting postfix to work.The setup is RHEL v5.7 and postfix version is 2.9.1.The hostname is set as localmail.mydomain.comDomainname is blank.All settings in the main.cf file...
View ArticleJust made my coffee. What's on everyone's agenda today?
I have knocked out about 15 tickets this week and have another 3 to go although I am expecting a new one here any time soon.What is everyone up to? submitted by amperages [link][33 comments]
View ArticleIT Worker Overtime Pay - Neoliberal Race To The Bottom
Like many other sectors, IT Professionals are in a race to the bottom competing with lower wage workers overseas. Computer professionals are entirely exempt from overtime regulations. Unless we...
View ArticleIs there a way to generate a delta of two image files?
Is there a way to generate a delta of two image files similar to a dm-snapshot copy-on-write device? submitted by Oflameo [link][5 comments]
View ArticleTracking down a performance issue. Linux server will sometimes show extremely...
I've been trying to track down a performance issue on a linux server where occasionally the load will spike to something like 80-120. It slowly grows when this situation happens and I notice virtual...
View ArticleIs there a file in /proc/pid_of_process with a value that shows how much RAM...
Is there a anywhere in the /proc directory where the amount of RAM a process is using is listed? I know I can get this info via few commands, however, I am wondering if there is a location where I can...
View ArticleHD Errors: Can read SMART, Can't Read Data
Reposted with hope someone can point me in the right direction from /r/computerforensicsHi AllI have a Hard Drive attached to my linux box (since windows won't recognize it) and I am finding that I...
View ArticleUpstart, on socket close
Hello all, I have been reading up on upstart and socket-bridge. I don't have a need to to replace a daemon, more like monitor a process for exits.Is there a way to have an event fired when a socket...
View ArticleNFS4 ACLs between OpenIndiana and Ubuntu
I manage a OpenIndiana NFS server with a few Ubuntu machines acting as NFS clients. This is a small-scale education/research environment which has been generally pain-free hosting ~25 users for two...
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