Learn how to install CentOS on VMware, perform essential Linux server performance tuning, and add + permanently mount a new HDD — all in one step-by-step tutorial for beginners and sysadmins. This fast, practical guide is ideal for home labs and production testing on VMware Workstation / ESXi. Follow along and get your CentOS VM optimized and storage mounted correctly. What you’ll learn: • How to create and install a CentOS VM on VMware (configuration, ISO, disk & network setup) • Key performance tuning tips for Linux servers (sysctl, swappiness, I/O scheduler, CPU/memory tuning, services) • How to add a new physical/virtual HDD to a CentOS VM and permanently mount it (partition, format, fstab) • Commands and config examples you can copy/paste Timestamps: 0:00 Intro & Overview 0:40 Downloading CentOS ISO & VMware setup 2:30 Creating the CentOS VM (CPU, RAM, disk settings) 5:20 Installing CentOS step-by-step (partition choices, minimal vs GUI) 10:50 Post-install essentials (SSH, updates, basic packages) 13:30 Performance tuning — kernel & sysctl tweaks 17:10 Tuning I/O, swappiness, and CPU governor 20:45 Adding a new HDD to VMware VM (attach disk) 22:40 Detecting new disk in CentOS, partitioning with fdisk/parted 25:00 Formatting (ext4/xfs) and mounting manually 27:10 Making the mount permanent using /etc/fstab (examples) 29:50 Verifying mounts, permissions and ownership 31:20 Final checklist & recommended monitoring tools 32:10 Wrap up & next steps Commands & resources used in this video (copy/paste): Update system: sudo yum update -y Show disks: lsblk / fdisk -l Partition: sudo fdisk /dev/sdb Make filesystem: sudo /dev/sdb1 (or ) Mount manually: sudo mount /dev/sdb1 /mnt/newdisk Edit fstab: sudo nano /etc/fstab → add /dev/sdb1 /mnt/newdisk ext4 defaults 0 2 sysctl tweaks example: add to /etc/ then sudo sysctl -p If you found this helpful, please: • LIKE the video 👍 • SUBSCRIBE for more Linux & VMware tutorials • COMMENT any questions or topics you want next • SHARE with fellow sysadmins or students Loved the video? Consider supporting by liking, subscribing, and sharing — it really helps the channel grow. Hashtags #CentOS #VMware #LinuxTutorial #ServerTuning #SysAdmin #MountHDD #LinuxStorage #PerformanceTuning