Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.


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Recent Posts

APT Listing Packages – Ubuntu / Debian
Do you ever wonder how many thousands of packages are installed on your Linux system? Even a fairly modest Linux system is
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Software RAID Recovery Tutorial
This tutorial will walk through the troubleshooting and recovery of a failed disk on a Software RAID setup. Especially mirroring
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Redirect HTTP to HTTPS on Apache
SSL secured websites or HTTPS has now become a must to have on website, especially those handling sensitive client information.
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Properly rename user accounts in Linux
We might have come across a situation where we might want to rename user in Linux system, for whatever reasons.
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USB Ports and Versions Explained
Universal Serial Bus, more commonly known as the USB has been around for quite some time now with almost every
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Setup Master Slave replication in MariaDB
Databases are arguably one of the main component of any modern application. And one of the most popular implementation of
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How to remove unused kernel images from CentOS/RHEL systems
Every time you update your CentOS Linux and the update includes a new kernel image update the system will not
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Recover disk usage after deleting large file in Linux
Disks getting full on Linux is a common scenario any administrator have probably experienced. There are usually some large files
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Changing Kernel Parameters on HP-UX
If you are installing an application on HP-UX (usually Database programs) and it requires specific kernel parameters, you can make
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HP-UX LVM change VG Max Size
In HP-UX if you need to adjust an existing LVM Volume Group Max Size to accommodate a new physical disk,
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