Load Testing
https://loader.io Load Testing with Siege load Benchmark
bandwidth
iftop vnstat
virsh list
To list all VM on a KVM server, run Example To view all Virtual machines including stopped VM’s, use –all
virsh nodeinfo
To see information about a KVM node, run Example See virsh
Linux KVM Virtualization
Install KVM Install Linux KVM on Debian 10 Install Linux KVM on Ubuntu Install Linux KVM on CentOS 7 Install
virsh
virsh command is used to manage KVM vps. It is part of libvirt package. http://libvirt.org virsh list virsh nodeinfo How
LXD container snapshot and restore
lxc allow you to take snapshot, restore snapshot of a container. Here we create a snapshot, then delete the /etc
Install LXD on Ubuntu
Create a Debian Container in LXD How to connect to lxd container LXD container snapshot and restore How do I
blkid
To list UUID for all your storage devices, run ”’blkid -c /dev/null”’ Example To mount /dev/sda5, i added following to
atop
The program atop is an interactive monitor to view the load on a Linux system. To install on Ubuntu/Debian On
Using apt-get to manage software
apt-get used to manage packages in Debian/Ubuntu server. Install A Package Uninstall a software (keep configuration file) Uninstall a software
PHP script to monitor exim mail queue
When you run exim mail server, it is good to keep an eye on number of emails in mail queue.