RimuHosting Blog

Tag: Server administration

  • WordPress Upgrade shell Script – plugins, themes, crontab and more!

    2019: This script is still being maintained It’s been some time since i upgraded my wordpress upgrade script. Several reasons why, partially because i had patches from other people to merge in, partially laziness on my part (being busy with other things). However, the good news is, it is here, and its amazing and awesome…

  • MySQL replication and verification

    We have a number of customer using MySQL replication. For the uninitiated, replication copies changes from a master server to a number of slave servers. This makes scaling your service mush easier and helps improve redundancy and failover. An introduction to setting that up is available in our Mysql Replication guide. Once you have replication…

  • How to install Drupal on Plesk – Step by Step instructions

    We have had a customer who is not overly technical wanting these instructions. Since i thought he was probably not the only one wanting a simple step by step instruction on how to install drupal on plesk easily, i though i would put them on the blog for anyone else interested

  • Old tomcat 5.5 installs being exploited

    We have noticed a couple of people running older tomcat 5.5 installs, and these are being exploited . The main thing we noticed were slowdowns on bandwidth as well as CPU along with a few odd other things running as tomcat user eg www-data 20654 0.0 0.6 38616 8004 ? S 21:26 0:00 \_ /usr/sbin/apache2…

  • How to restore your root password after forgetting or being exploited via Single user mode

    I have been seeing a few people unsure what to do when they lose or forget their root password. Some are resorting to reinstalling their server thinking this is the only option, however there is another option with Rimuhosting.

  • Identifying exploits and exploited websites

    I have made posts before regarding how to find exploits, and what to do about those previously, however it has come to my attention that some people are not even realizing what the basics are to look for. In this post i will give you ideas on what to look for, how to identify exploits…

  • Using perror to explain mysql error codes

    A customer came to us with a problem copying one database to another, and requested we do it for him.  Once we logged in we saw the error fairly quickly ~# mysqldump -uadmin -p`cat /root/.mysqlpass` database >dbdump.sql mysqldump: Got error: 29: File ‘./database/tablename.MYD’ not found (Errcode: 24) when using LOCK TABLES ~# It can be…

  • DNS amplification DoS attacks

    If you are running a DNS server, then you need to check it is not being co-opted into ‘DNS amplification attacks’. Random nasty servers (typically part of virus created bot-nets) send your DNS server a short request but use a fake source IP address.  Your DNS server then sends a (typically) long reply back to…

  • Ubuntu 12.10 Quantal Quetzal install images

    We are proud to announce the release of the new installer images for Ubuntu 12.10 Quantal Quetzal Server Edition. It is available as an reinstall option for existing servers, or in the new servers orders page The version is intended for those looking at getting newer versions of the packages for the 12.04 LTS (long…

  • Finding Exploits and Trojan php hacks on a website

    Its always unfortunate when you are exploited, and the best method to fix a site is to wipe and restore from a known backup as well as track down the entry point they gained access and fix it. Sometimes you need to ‘clean’ a site of these files before migrating things over however , or…