≡ Menu

kernel

FreeBSD: Disable / Stop Console Beep ( Bell )

I know how to turn off console beep under Gnome Linux desktop. How do I stop console beep under FreeBSD operating systems?
[click to continue…]

OpenBSD version 4.5 and above made changes in kernel which prevents booting OpenBSD using KVM technology. OpenBSD 4.4 runs with mbbios enabled. However, due to some sort of bug in KVM it does not boot and hangs while displaying a message which read as "Starting tty flags". The workaround is to disable mpbios. This may or may not happen with your installation, but if it hanged, use the following procedure.
[click to continue…]

Under CentOS / Fedora / RHEL I can use rpm -ql packageName command to view contacts of .rpm file. How do I view the contents of a .deb file under Debian / Ubuntu Linux?
[click to continue…]

Find: Ram Size in Linux

How do I find out my RAM size under Linux operating systems?
[click to continue…]

Linux Log All SCSI Events To Syslog

How can I log all SCSI events to syslog system under CentOS or Fedora or RHEL or Red hat Linux operating systems?
[click to continue…]

See Filesystems In Linux

How do I see filesystem status in Linux?
[click to continue…]

Linux Kernel /etc/sysctl.conf Security Hardening

How do I set advanced security options of the TCP/IP stack and virtual memory to improve security and performance of my system? How do I configure Linux kernel to prevent certain kinds of attacks using /etc/sysctl.conf? How do I set Linux kernel parameters?
[click to continue…]