RimuHosting Blog

Tag: Server administration

  • Virtualmin and Webmin upgrade errors & the fix

    We had a customer email in saying they were having a problem upgrading. The error was fairly verbose, but the general gist was this –> Processing Dependency: /usr/libexec/webmin for package: wbt-virtual-server-mobile –> Processing Dependency: /usr/libexec/webmin for package: wbm-virtualmin-mailman –> Processing Dependency: /usr/libexec/webmin for package: wbm-ruby-gems –> Processing Dependency: /usr/libexec/webmin for package: wbm-ruby-gems –> Finished Dependency…

  • Keeping Tabs on Successful Logins

    There are a number of things that any sysadmin should be doing (or is already doing) to keep tabs on the systems they manage. One of the things that I do which is quite simple (read: quick and dirty) is having my server send me a message anytime a user logs into the server. I…

  • Debugging broken mail daemons

    Getting bounced mail? here let me try and explain a few of the more common problems. Have you added the domain to accept mail? You need to add the domain into the mail server so it knows to accept email for it. If it accepts mail for every domain then its fairly easy for somebody…

  • 32bit or 64bit – Choose Your VPS Kernel

    Sometimes we roll out new features in our control panel without announcing them.  We usually do this so that we see a trickle of new users initially which helps identify any bugs or missing functionality before the entire userbase starts hammering the new features.  :) Selecting your VPS kernel bit-edness (32bit or 64bit) is one…

  • apache modules to help keep your system steady

    libapache2-mod-bw – bandwidth limiting module This module allows you to limit bandwidth usage on every virtual host or directory or to restrict the number of simultaneous connections. The bandwidth control, for example, can be configured according to the criteria: origin of the connection, file extension, file size or user agent of the client. Example: LoadModule…

  • WordPress Update Script – 2.8.6 and WordPress MU 2.8.5.2

    New WordPress came out last Friday,  Sorry about the delay updating the script. This script will update all instances of wordpress that are not the most current. Run it as root, it will make backups in /root/wp_upgrades of both databases and files in case things go wrong. It will determine if its a WordPress or…

  • Postfixadmin – debian – mysql and errors

    A lot of our users use postfixadmin, it means email users are in the database, its easy to use, easy to admin. However the setup can be a little tricky for those not used to it. If you want to have a go doing it yourself, we have a great tutorial here http://rimuhosting.com/knowledgebase/linux/mail/postfixadmin Today however…

  • Evading Webapp Vulnerability Scans

    Most attackers aren’t after your digital property or information stored on your server.  They’re mostly after your server for its resources to send spam, host phishing sites or launch attacks against other servers.  So unless you’re running a high profile site or have managed to anger a malcontent, your server likely isn’t going to be…

  • Upgrading to Karmic Koala ? VPS broken? Heres the fix!

    If you upgraded to Ubuntu 9.10, and rebooted, and it hasn’t come back up, here’s what to do The first thing you try is the console  https://rimuhosting.com/cp/vps/console.jsp . Add your key or setup a password and then ssh into the host it gives you to see if you actually have this problem. If you can…

  • Postfix problems that keep popping up

    We have had several customers with postfix problems and they seem to be all of a similar nature, so i thought i would blog a couple. The most common one is trying to use both aliases and virtualhosts for a domain. Especially with Virtualmin which tries to do both. The main symptoms are something in…