How to use journalctl to analyze logs in Linux
systemd is the default system manager in most of the major Linux distributions, which comes with a new logging daemon called ‘journald’. For many years, system and kernel logs in …
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6 best tools to monitor disk IO performance in Linux
Disk IO issues (input/output) are one of the most common causes of poor performance on Linux system. This occurs when applications try to quickly read or write too much data …
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How to lock & unlock multiple users in Linux
‘usermod’ & ‘passwd’ commands are used to lock or unlock one user account at a time, but you may need to write some small shell scripts to perform this action …
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How to Automatically Accept SSH Key Fingerprint?
SSH Secure Shell is an encryption network protocol that provides secure encrypted communications between two hosts. It allows you to connect to a remote machine securely over an insecure network. …
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How to view images from Linux terminal
Linux has many GUI applications for viewing images. But have you ever tried a CLI application to view them or do you know if one exists? Fortunately, while working with …
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How to List and Remove a GPG key in Ubuntu
Some time ago we wrote an article about removing the PPA repository from the Ubuntu system. The PPA repository keys will not be removed as part of removing the PPA …
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How to Remove LVM (Logical) Volume in Linux
If the LVM volume (logical volume) is no longer required to be used by the LVM (Logical Volume Manager) on the system, you can remove/delete it with the ‘lvremove’ command …
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How to Remove Physical Volume from a Volume Group in LVM
If a device is no longer needed by LVM, you can use the ‘vgreduce’ command to remove that physical volume from it’s volume group. The ‘vgreduce’ command shrinks the capacity …
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Arch Linux / CentOS / Debian / fedora / Linux / Linux Advanced Commands / Linux Commands / Linux Mint / Linux-Distributions / linux-tutorials / Logical Volume Management / Logical Volume Manager / LVM / opensuse / Oracle Linux / Red Hat / Red Hat Enterprise Linux / RHEL / ubuntu
How to Reduce/Shrink LVM’s (Logical Volume Resize) in Linux
Reducing/Shrinking the logical volume is the highest risk of data corruption. So try to avoid this kind of situation if possible, but go ahead if you have no other options. …
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Arch Linux / CentOS / Debian / fedora / Linux / Linux Advanced Commands / Linux Commands / Linux Mint / Linux-Distributions / linux-tutorials / Logical Volume Management / Logical Volume Manager / LVM / opensuse / Oracle Linux / Red Hat / Red Hat Enterprise Linux / RHEL / ubuntu
How to Extend/Increase LVM’s (Logical Volume Resize) in Linux
Expanding the logical volume is extremely easy, it takes very few steps and can be done online without unmounting a certain logical volume. The main purpose of LVM is flexible …
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