Cron is the time-based job scheduler in Unix-like computer operating systems.
Cron enables users to schedule jobs (commands or shell scripts) to run periodically at certain times or dates.
It is commonly used to automate system maintenance or administration, though its general-purpose nature means that it can be used for other purposes.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
In this tutorial I will give an example to a BASH scripts that will help you backup multiple MySQL databases at once.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Use Linux DU to batch check and sort folder sizes in Linux.
You can also use Linux DU command on a Windows share or a NAS CIFS/NFS share.
DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
To mount ISO files in Linux is very easy, and sometimes you want to use fstab to auto-mount on boot. I’ll show how to do this in bash.
Several major companies have been hacked lately. Security advice for web users last week from the US Department of Homeland Security encouraging to disable java on browsers. Disable java in each browser takes time. You will learn how to disable java for all at once. and also for each browser if needed.
Zimbra Active Directory User Mailbox Sync script uses Zimbra utility to Add or Remove mailboxes according to the AD User List.
You can sync all AD users at once or Create a Security Group And add members in order to assign a mailbox.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
sSMTP – a simple and lightweight MTA used to deliver mail from a computer to a mail hub (SMTP server) using Gmail SMTP servers.
Unlike Exim4, it does not receive mail, expand aliases, or manage a queue.
DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
In this tutorial we will be using FAS3210 with ONTAP 8 to Manage NetAPP NFS exports using exportfs CLI.
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DevOps/IT Specialist, Musician.
IT Manager – Faculty of Exact Sciences, Bar-Ilan University
Personal Website
Centos EPEL – In the following tutorial I will show you how to add the fedora EPEL repository to your CentOS installation
.
In order to install CentOS EPEL Repository you need:
yum install wget
check here for latest version of epel-release-x-x.noarch.rpm
wget http://mirrors.nl.eu.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm rpm -Uvh epel-release-6-8.noarch.rpm rm epel-release-6-8.noarch.rpm -f
or in short:
rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
That’s it! You’ve added CentOS EPEL repository to your centos installation.
We want to mount an iso file to a folder. with linux it’s soooooo easy!
How to establish SSH connection without password between two linux/unix machines
ssh-keygen
scp -r -P 22 /root/.ssh/id_rsa.pub destination:/root/.ssh/authorized_keys<em>
</em> Now you can connect as root without a password between the servers.
“Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.