Blackbird Technologies is hiring Linux Sys Admins!
Linux Systems AdministratorAbout the Job:Blackbird Technologies, Inc. is seeking Linux Systems Administrators to support a customer project in Springfield, VA and corporate programs in Herndon, VA. The...
View ArticleIdeas for RTG replacement?
I am using RTG from http://rtg.sourceforge.net/, not to be confused with MRTG, PRTG or else, to monitor switch port throughput.RTG basically does this: Its demon continually polls packet counters of a...
View ArticleHow can I use a homelab or even a VPS to get experience with these applications?
LDAP, NFS, RHCS, RabbitMQ / AMQP, Splunk, Puppet and Nagios Hadoop, Memcached, Redis, CouchBase, Ceph, MySQL, and Oracle with Apache, Tomcat, Jenkins, Maven, Varnish, Artifactory, and Node.js Active...
View ArticleCentos 6.5 LiveCD Install on KVM
Has anyone had any luck getting a Centos 6.5 LiveCD to install on KVM? I see this bug report, and its exactly what im seeing. Yet, there is no updates to it etc.https://bugs.centos.org/view.php?id=6876...
View ArticlePassword database for Scripts?
We have a script that needs to connect to various vendor APIs which require passwords. Unfortunately, we don't have control over the source of the data. How do you store your passwords securely so that...
View ArticleSeparating multiple PXE boot servers
I hope you don't mind me asking here as I feel this may be a more general question. However, my networking and Linux knowledge is limited.Basically, I've been having a play with Kickstart and Ubuntu in...
View ArticleLinux Showdown 7
Howdy, just wanted to mention that LS7 is currently underway. For the leaderboard and list of prizes check out:http://www.linuxshowdown.com/seven/The bad news: we ask for an email address and SMS phone...
View ArticleRestoring an entire filesystem from a backup
My VPS provider had some difficulties and long story short, I'm left with a clean Debian 6.0 installation and a folder full of the filesystem of the VPS before the reinstallation. How do I restore all...
View ArticleProblems with Postfix MTA
Good day everyone !I have a question for you about my Postfix server. When I'm doing tests to verify if my server is an open relay , I can see that it is . But I can't find the parameter that I...
View ArticlePrivate Samba folders and Windows.
I've got an ubuntu box that I administer that runs that network storage for our company which is mostly windows machines and a few macs. We are quite small and until now we've only had all shared...
View Article[Q] fstab of NFS/CIFS fails due to network being unavailable prior to mount,...
Ok here's the rundown:the media server is running manjaro [arch]want to mount a NFS/CIFS [honestly dont care at this point] share from my NASusing fstab to mount attempts to mount prior to network...
View ArticleReading material on mail server configuration and management
While I'm pretty comfortable doing most common things with a Linux server, mail systems have always been a very weak point in my repertoire. This isn't helped by the fact that "a mail system" is at...
View ArticleIm lost. Yum wont work - needs 2Mb on partition which has 1.4Gb free
This is df:/dev/mapper/system-usr 2.9G 1.5G 1.4G 52% /usr This is yum: Trying to instal nfs-utils..Transaction Check Error: installing package rpcbind-0.2.0-11.el6.x86_64 needs 60KB on the /usr...
View ArticleOfficial / Correct Way To Remove Mirrors From Yum
Today I found a 3rd party mirror someone installed via RPM like so:$ sudo rpm -ivh old_mirror.rpm In this following location:[carlos@db1] $ pwd; ls -lh /etc/yum.repos.d total 44K -rw-r--r-- 1 root root...
View Articlemysqld taking up 150+%CPU at random times
Is there a way to log exactly what is causing mysqld to take up so much CPU?I have used the top command with many other commands, but I cannot pinpoint what is the root cause of this. submitted by...
View ArticleNeed bash help.
So I have a rewrite rule that enables WWW to any domain inside the .htaccess for cPanel.RewriteEngine On RewriteCond %{HTTP_HOST} !$ RewriteCond %{HTTP_HOST} !www. [NC] RewriteCond %{HTTPS}s on(s)|...
View ArticleCertificate Recommendations
I'm planning on getting my RHCE later this year, but if possible I would like to get some other certs to support my Linux skills.I was considering taking the ICND1 for the CCENT and later following it...
View ArticleDoes anyone have any recommendations on how to move from Source installs to...
I have a lot of systems I need to do this on. There are a few applications we install from source that we need.Tomcat 6 & 7Apache 2.2 & 2.4Pcre, Apr, Apr-util for building ApacheMySQL from...
View ArticleLinux NFS Client doesn't detect new files on Windows NFS server shares. Cache...
I'm really stumped here and have spent hours and hours trying to find a solution with no success.I have Windows 7 x64 system running HaneWIN NFS server.I have two different linux devices that connect...
View ArticleAlternatives for syncing /var/www/ between nodes?
Is there any good options for setting up a two-way sync? Both nodes will write to /var/www, and I need to keep them in sync. Is GlusterFS applicable here? I don't want NFS or any other kind of shared...
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