Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Note: You might have to do this every time you upgrade your Linux kernel!!
Below are step-by-step symptoms from superficial to root causes.
Your Linux system becomes very slow even …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
List all services names.
service --status-all
List all systemd units.
systemctl
Disable a service.
systemctl disable service_name
Check whether systemd is running as PID 1.
ps --no-headers -o comm 1
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
BCC is a toolkit for creating efficient kernel tracing and manipulation programs leveraging extended Berkeley Packet Filters (eBPF).
webmin, cloudmin, usermin
id, adduser, gpasswd (recommended for adding/removing groups)
uptime, top …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Open the file /etc/default/grub
with sudo permission.
sudo vim /etc/default/grub
Update the value assigned to GRUB_TIMEOUT
to a smaller one (e.g., 3).
Notice that the time …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
https://github.com/phoronix-test-suite/phoronix-test-suite/
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Please refer to Tips on Installing Debian Series Linux Distributions for detailed discussions.
How to solve boot problems with Ubuntu after kernel upgrade
If a …