Linux and DevOps Cheat Sheets
Quick reference cheat sheets for Linux commands, Git, Docker, and DevOps tools to help you perform tasks faster.
The Cheat Sheets section provides quick reference guides for commonly used commands and tools.
These guides are designed to help you quickly recall commands without going through detailed tutorials.
Explore related sections like Linux and DevOps for deeper learning.
What you will find
- Quick command references
- Syntax summaries
- Common usage examples
Ideal for
- Quick revisions
- Daily usage reference
107 articles
10+ mdadm command examples in Linux [Cheat Sheet]
mdadm command is used for building, managing, and monitoring Linux md devices (aka RAID arrays). RAID devices are made up of multiple storage devices that are
bzip2 Command in Linux: Complete Guide with Examples & Best Practices
Learn the bzip2 command in Linux with practical examples. Compress and extract files and directories, verify integrity, optimize performance, and compare bzip2 …
5 pvcreate command examples in Linux [Cheat Sheet]
pvcreate command initializes a disk or partition as a physical volume. The physical volumes are used to create a volume group and the LVM logical volumes are
vgcfgrestore: Recover LVM without Backup [100% Working]
vgcfgrestore restores the metadata of a volume group from a text backup file produced by vgcfgbackup.
5+ lvscan command examples in Linux [Cheat Sheet]
lvscan command scans for all logical volumes in the Linux system and lists them. It displays the status, path, size, and allocation policy in one line per
5+ lvdisplay command examples in Linux [Cheat Sheet]
In this tutorial we explore lvdisplay command which is used to display the logical volume status and many other details such as name, UUID, status, size etc
Using lvreduce to PROPERLY shrink Logical Volume [Cheat Sheet]
Step by step instructions to shrink logical volume using lvreduce command with examples. You can shrink root or non -root logical volume
How to PROPERLY use lvextend to increase LV size
Step by step instructions to use lvextend to extend logical volume size with dos and don'ts. lvextend cheat sheet with examples
nmcli Command in Linux: Network Configuration, IP, DNS, Routing & Examples (RHEL/CentOS/Ubuntu)
Learn the nmcli command in Linux with syntax, options, and practical examples. Configure IP address (IPv4/IPv6), DNS, routing, hostname, bonding, bridging, and …
How to PROPERLY rename Logical Volume [Step-by-Step]
Step by step instructions to rename logical volume i.e. both root and non- root. Update fstab, grub2 and generate initramfs to make sure the server reboots …
lvremove command examples in Linux [Cheat Sheet]
lvremove command is used to remove a logical volume from a volume group in Linux
10+ lvchange command examples in Linux [Cheat Sheet]
lvchange command allows you to change attributes of a logical volume in the volume group. You can perform different operations such as activate/deactivate, …
vgcreate command examples in Linux [Cheat Sheet]
The vgcreate command in Linux is used to create a volume group. The best part of using volume groups to create partitions is that you can runtime increase or …
10+ lvcreate command examples in Linux [Cheat Sheet]
lvcreate command is used to create different types of Logical Volumes in Linux. You can create linear, striped, mirrored logicla volumes. You can also create …
finger Command in Linux (User Information Lookup) [Cheat Sheet]
Learn how to use the finger command in Linux to display user account information such as login name, terminal, idle time, home directory, and shell. This cheat …