Configuring a virtual network interface on Linux isn’t something most people need to do very often, but it can come in handy sometimes. The system will recognize a virtual interface as a real, physical interface.
System Administration
Convert ext3 to ext4 in Linux
The ext4 filesystem includes multiple improvements in terms of performance, over its predecessor ext3. Ext4 is not only faster than ext3, but can also handle much larger filesystems and files, and lots of other improvements under the hood. If you haven’t yet upgraded to ext4 on Linux, it’s definitely time to do so.
How to check HDD firmware version in Linux
The command line terminal on Linux systems can give us a lot of insight into the hardware of a computer. Among many other things, we can retrieve the HDD firmware directly by using the Linux command line.
Hard drive hdparm speed test
The purpose of this tutorial is to describe some simple hard drive speed tests that you can perform using your Linux system and the command line tool hdparm.
Linux HDD sleep – how to enable and disable with hdparm
The purpose of this guide is to learn about enable or disable Linux HDD sleep. cover the steps necessary to change a hard drive’s sleep/standby mode timer on Linux. You can either enable standby mode on a storage device, disable standy completely, or adjust the current time it takes for a hard drive to enter standby.
How linux write cache works
Let’s start by explaining what write-back caching is and how it works to better understand the Linux write cache. Write caching is a feature available on most hard drives that allows them to collect all data into the drive’s cache memory, before being permanently written to disk. Once a certain amount of data is collected in the hard drive’s cache memory, the whole data chunk is transferred and stored with a single writing event.
Understanding foreground and background processes in Linux
As a Linux system administrator, you may sometimes want to run processes in the background to continue working in your command line terminal while the background process finishes its work. Linux systems allows for simultaneous process execution and ability to run programs in the foreground and background.
Convert utc date and time to local time in Linux
The date command in Linux is capable of converting the date and time from UTC to the local time of your system.
How to disable user login with Linux nologin
At some point, the time will come when a system administrator needs to disable user accounts on a Linux system. This can be achieved by Linux nologin technique. Some common reasons for disabling user accounts are due to some suspicious user activity, or perhaps due to a user’s work contract termination.
How to check hard drive power on hours in Linux
In this how to check hard drive power on hours in Linux you will see how you might prevent disaster, by knowing details about system’s storage device in terms of “power on” hours (runtime), number of read and writes, or bad blocks, to determine the overall hard drive’s health and ageing.
