Restrict SSH tunnels by user / destination?
hello linuxadminersI wonder what thoughts people has on this. I have a gateway which users use to tunnel into the office to reach internal devices. I need to restrict th access some of the users have...
View ArticleMy SSH key's stopped working?
On my server all ssh keys for all users except root have stopped working suddenly I have tried everything with them and they still don't recognize them what am I missing? CentOS 6.5 submitted by Tythus...
View ArticleChecking the context a service is running in
Hi everyone,A little while ago, I posted regarding PXE Booting VMS and some problems I was having (which are still not resolved). Anyhow, one source I have found says to "Check the context in which the...
View ArticleBest way to intentionally cause Tomcat to hang
I have a script to kill and restart Tomcat when it hangs, and want to test it without waiting for the next hang. What is the easiest surefire way to cause Tomcat to become unresponsive? Is there...
View ArticleProviding large amounts of software everywhere with limited disk space on...
I'm a member of a University IT team who runs a group of computer labs for several engineering departments. One of the requirements of these labs is every single computer being able to run fairly large...
View Article[Sendmail] Sending mail fail with error 500 (Service unavailable)
Hi guys,Have been trying to fix this for the past couple of hours and i'm all out of ideas.Here is the setup:We use google apps. and receive all out emails to *@mydomain.dk on googles servers, our mx...
View ArticleCentos Minimal or Full
My company uses the Centos minimal installation for all of our production Centos servers. Having been "re immersed" into the Linux world as a System Administrator in the last 6 months, I don't have a...
View ArticlePossibilities for a career in linux with little to no background knowledge?...
I've been working as a temp in a manufacturing facility for 5 months now and was told that I would not be hired on full time. I have no idea what I'm going to do with my life and I've been looking at...
View ArticleI made another resume, is this one better tan toilet paper?
https://imgur.com/vKIz9PPI got actual professional help with this one. Yes, the kind that costs money. submitted by Oflameo [link][12 comments]
View ArticleCentOS 7
The first RC came out the other day, has anyone fired up CentOS 7? If so, find any bugs, or is it pretty solid? submitted by Brewfiend [link][4 comments]
View ArticleIs there something like "--single-transaction" for any file backup program...
I don't really care how inefficient in diskspace or slow it is (to a certain extent duh) so long as it won't effect any file reads/writes being performed on the files and I get a consistent read?...
View ArticleUbuntu boxen second nic loses ip periodically
Oh linuxadmins of Reddit, this junior linux admin has a confounding one.I run a small cluster of servers for a club at my college that handle student projects and web-hosting for all other clubs on...
View Articlecourier inboxes not showing up
So I'm working on this machine, and almost all of the email account are working fine. They're using EXIM and courier. All the folders for every account seems to work except for two. Both of the...
View ArticleWhere did my memory go?
Have some RHEL 6.5 VMs that were built with 4GB of memory, but /proc/meminfo shows 3532492 kB. That seems like a big drop. Am I missing something? submitted by blacklr [link][13 comments]
View ArticleScst/DRBD/Corosync SAN Pair - Windows Iscsi
My work has 2 San pairs that run Debian Linux (Wheezy) and serve iscsi to a HyperV 2008 R2 cluster using SCST, DRBD, and Corosync via the windows Iscsi. The san nodes are connected to each other via...
View ArticleFormer Prototype Machinist looking to make a career change
Hello one and all!As the title says, I am an 8 year prototype machinist interested in a career change into a Linux Sys. Admin. entry level position. I am 33 years old.I like machining, but I don't love...
View ArticleDoes mySQL not respect host files?
I am running a virtual web server with apache and mysql. This is a localized copy of my company's public website. In order to save time, I would like mysql to respect my host file. This will mean when...
View ArticleHow to separate an internal network?
Maybe the title isn't entirely correct, but it's the best I could think of. What I need to do is keep one classroom of computers (about 20) at a community college separate from the school's WAN while...
View ArticleOpenSSL - Create certificate request and - when you get the public...
So I lost 4 hours fcking around with certificates. I will wrote the commands down here beacause you will need it or you already know it. Sooner or later this certifiace hell will come to get you...
View ArticleIs there a list of Linux processes/services and their use?
I just did a base install of Debian and have been looking at runlevels. My installation contains the...
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