CentOS 5.2 can't connect to anything on :80
Trying to run yum update on a CentOS box. It keeps timing out... so I troubleshot all the configs for it and it's plugins, and nothing seems off, or different than my other servers where it works. I...
View ArticleWhat questions can I expect when interviewing for a Linux Admin role at a...
I believe from what I understand that I would be their first linux admin, but I am not totally sure, as this is only what the recruiter conveyed to me. submitted by Hachya [link] [3 comments]
View ArticleRed Hat 6 hung at Starting Red Hat Network Daemon.
I have a red hat 6 box, all i did to it so far was updated to 2.6.32-220 x86-64 and renamed the host via /etc/sysconf/network and rebooted. Now the box will not get past the Starting Red Hat Network...
View ArticleServer log monitoring
Hi redditors, what is the best solution for monitor logs of server(s)? I want information on mail when traffic/load is bigger than normal, when somebody tries to break in (through sshd f.e.). And i do...
View ArticleSSD + HDD + MDADM Sanity Check
tl;dr: i've got SSDs and HDDs in my system. wanting to run a dual boot with drives in raid configs. would love the $0.02 from people much smarter than me. Here's what I've got currently: I've got 2...
View Articlebash command-line calculator
Ever want to be able to do basic arithmetic on the command line? You can use expr, but it only does integer math. Here's a bash function that will do the trick: function calc () { awk "BEGIN { print $*...
View ArticleMultiple Apache2 Sites off Single IP
So I have seen a few guides around about editing the virtual host file and putting information relating to both the sites and their various directories path and saving that to setup mulitple domains on...
View ArticleSeeking help with iptables for lab setup (or boot me to the right subreddit...)
Hello all. I did a cursory search of different subreddits - started with sysadmin - and it seems like there are at least some tech-support-related-specifically-to-linux-network-management questions in...
View ArticleHow do I deploy the same distro to about 20 machines and keep them updated?
I have about 20 machines that need a desktop. I have chosen to go with Scientific Linux (RHEL) desktop and would like to deploy the same setup to all machines. How do I do this? I have read about...
View ArticleFavorite Interview Questions
I've seen threads asking what kind of questions to expect before going in to an interview, but what about from the other side of the table? What are your favorite questions to ask someone interviewing...
View ArticleVirtual Printer to Script?
Is there a way to create and share a virtual printer, and have whatever is printed to that redirect to a script that can parse the information on the page? submitted by DKaine [link] [3 comments]
View ArticleHaving problems with remote shutdown of a server - need some advice.
Not sure what I can do at this point. I have issued all the commands I know to: shutdown -h now poweroff ...and even tried the reboot option to no avail. It's like the server isn't listening to...
View ArticleAny good linuxadmin books?
Just a good introductory book, or anything at all really. Give me an answer that I'm not educated enough to ask is really what I'm looking for I guess. If they must be distro oriented, I would prefer...
View ArticleDisabling only IPv6 link-local and keeping IPv6 static global address on...
We're preparing to deploy IPv6 on our network. I'm trying to properly secure my CentOS servers. Up till now I successfully managed to disable dynamically assigned IPv6 addresses. I'd like to disable...
View ArticleLogwatch, yay or nay?
I've been struggling with this for a while. I like logwatch, but most of the emails I receive are just white noise at this point. I'm curious, what is your current strategy with logwatch? Do you use...
View ArticleWhat's the best solution to connect Linux workstations to a Samba PDC?
Hello all I have a small network of about 50 pc running a mix of Win7 and WinXP, connecting to a Samba PDC. Due to the fact WinXP is EOL and the hardware will not support Win7, I am planning on...
View ArticleTrying to wrap my head around LDAP and Kerberos, any resources to recommend?
I'm trying to learn LDAP and Kerberos for use at home for shared logins. I've noticed a few resources online, but none of them really seem to piece things together or provide guidance to me as to which...
View ArticleWeird Connection Problems Over LAN
We run Linux (Ubuntu 12.04) on the 10 or so desktops at my workplace. After installing a new machine today, I found an odd problem. It could not communicate (even ping) with some other boxes on our...
View ArticleAn idea for a software I had, maybe it exists? Managing data in ram while...
Not sure where to post this. I had this idea that could help IO-heavy software. Instead of having to wait for slow harddrives, the software could read and write to a folder that exists in ram. And some...
View ArticleWhere can I learn about good security practices?
The title says it all, really, but here's my background: I have a few years experience using Linux (Ubuntu, RHEL, Cent, and Arch) at home and at work. As a result, I'm more than comfortable at the...
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