Put a shell script in one of these folders: /etc/cron.daily, /etc/cron.hourly, /etc/cron.monthly or /etc/cron.weekly. If these are not enough for you you can add more specific tasks eg. twice a month or every 5 minutes or… go to the terminal and type: $ crontab -e this will open your personal crontab (cron configuration file), the […]
Monthly Archives: April 2016
Setup Network Monitoring
You can download the contents of the networkmon.sh script from the downloads section or copy and paste it from here: #Update the “HOSTS” line with as many domains or IP address you would #like this script to monitor, separate each with a space. HOSTS=”DOMAIN1 DOMAIN2 IPADDR3 IPADDR4″ # Modify “COUNT” to adjust the amount of […]
Email Notifications with sSMTP
Start by install ssmtp $ sudo apt-get install ssmtp Next modify /etc/ssmtp/ssmtp.conf file with the following: # Config file for sSMTP sendmail # # The person who gets all mail for userids < 1000 # Make this empty to disable rewriting. root=*YOUREMAIL*@gmail.com # The place where the mail goes. The actual machine name is required […]
Flash LSI9240 (IBM M1050) to IT Mode
Download the files from (HERE) There is a sticker on the RAID card that contains a number that will start with 500605b please write down the entire number, we will need it later. Create a bootable DOS drive using Rufus and copy the extracted contents to the root of the flash drive. Once you have […]
Install and Configure ZFS
I will try to keep this short and sweet, this process can be pretty lengthy depending on the complexity of the ZFS you want to setup. I will be demonstrating how to setup a RAIDZ2 the equivalent of RAID6. Start by install in the PPA and installing ZFS: $ sudo apt-get install software-properties-common $ sudo […]
Raw Device Mapping
SSH into your ESXi host, if you do not have SSH enabled. You will need to enable it first, that is not covered here. Start by: $ cd /dev/disks $ls -l This will show you all of the disks that ESXi currently sees along with their raw device name. Find the disk(s) you are looking […]
Adding Unsupported Drivers
In this example I will show you how to install an unsigned driver for the intel 82579LM, common on many superMicro boards. Download your driver, if your are trying to install the 82579LM you can get them from the downloads section of this website here. Otherwise you will need to repackage your driver into a […]
Installing VMware Tools
This use to be a very complicated process, this is no longer the case, simply run: sudo apt-get install open-vm-tools
Installing VMware Tools
This also use to be a huge pain, but now with CentOS 7 it is very easy. Just run: $ yum install epel-release $ yum install open-vm-tools
Install fail2ban
This does not even need a “how to” on Ubuntu, the process is terribly simple. $ sudo apt-get install fail2ban That is all it takes to setup fail2ban monitoring on ssh. If you would like more jails/monitors, modification to the config is required.