Mx linut uses lightdm as a default login manager which aks for username and password for logging in to enable autologin for user we have to make changes to the file /etc/lightdm/lightdm.conf and uncomment the line autologin-user=user change it to…
Breathing life into old laptop with fedora xfce.
I am using a 11 years old dell d630 laptop having 4gigs of ram, Intel core 2 duo GM965 max clock frequency at 2.0Ghz with 2 cores, laptop boot times were relatively very slow i wanted an upgrade badly. before…
Optimizing disk i/o speeds and lifespan of ssd on fedora(29)
In this case im using a ssd drive named /dev/sdb with filesystem formatted to ext4, it is know that ssd has a limited writes cycles eventually wears off overtime compared to normal HDD but ssd has a greater speed advantage…
Enabling Zswap on fedora 28
Zswap is a kernel feature which provides a compressed RAM cache for swap pages, it works in conjuction with swap space. If swap partition is not present then we can create a swapfile and activate it. Making a filebased swap,…
Converting vmware vmdk images to kvm qcow2 images
Red hat certifications are one of the most demanding in the in the IT industry , i wanted to get started with planning working towards getting RHCE certified ,while preparing for rhce certification one of the recommended book is Red…
Setting default gateway from virsh-net command line
Generally when a network is configured from virsh-define for a particular range say 192.168.4.0 it gateway will be automatically assigned to 192.168.4.1, if the gateway wants to be changed to 192.168.4.2 then it can be done by using virsh-net edit…
systemd-udev-settle.service hangs on fedora 28
Recently while playing around disk partitions on fedora 28 i have observed that boot times were painfully slow on my laptop, when investigated found the issue was due to an enty for non existant swap partition in fstab. to fix…
Getting started with foreman
Foreman is a provisioning and complete life cycle management orchestration tool for managing infratructure from a graphical interface and also from command line tool hammer-cli. With computing resources in foreman supports managing different type of hosts like vmware, aws ,…
Disk expansion after clonezilla restore to a larger disk.
Clonezilla used to restore the clone image to a destiantion drive , if the destination drive size is larger than the original source disk cloned then after image restore you will see old disk size instead of new one. Eg:…
No internet on kvm guests.
After setting up bridge network on network interface enp9s0 , kvm guests had issues with accessing ssh,internet. Current bridge configuration bridge name bridge id STP enabled interfaces br0 8000.001c2301fbdc no enp9s0 to allow kvm guests network connectivity with host net.ipv4.ip_forward…