Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Use full paths of commands when you use a batch account or schedule a cron job. The reason is that batch account and/or cron might have different …
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!
crosvm is a virtual machine monitor (VMM) implemented in Rust with a focus on simplicity, security, and speed.
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 …