On some machines, you may need to load these kernel modules before the true root filesystem is mounted. We’ll cover this problem and its initial RAM filesystem workaround solutions in 6.8 The Initial RAM Files
you can use it to load a module to send log messages to a database. But when starting out with system logs, it’s easiest to start with the log files normally stored in /var/log. Check out some log files—once you know what
Periodically new devices and technology coming out and it’s important to keep our Linux system kernel up-to-date if we want to get the most of out it. Moreover, updating the system kernel will allow us to take advantage of new kernel functions, and also it helps us to protect ourselves...
Transparent Huge Pages(THP) are enabled by default in RHEL 6 forallapplications. The kernel attempts to allocate hugepages whenever possible and any Linux process will receive 2MB pages if the mmap region is 2MB naturally aligned. The main kernel address space itself is mapped with hugepages, r...
The desktop fails to load The primary culprit for this issue is either a conflict with the graphics driver, or a corruption in the desktop environment. With graphics drivers, similar to what we’ve seen earlier, the workaround is usually to try booting an older kernel. The main reason for...
To modify grub fromRHEL8 and laterrefer:How do I permanently modify the kernel command line in RHEL 8 or 9? To modify grub onRHEL10refer:How do I permanently modify the kernel command line in RHEL 10 ? Root Cause NUMA cannot be disabled, but kernel can handle all memory as a single ...
except that some necessary components may be loadable kernel modules rather than part of the main kernel. On some machines, you may need to load these kernel modules before the true root filesystem is mounted. We’ll cover this problem and its initial RAM filesystem workaround solutions in 6....
Now restart your computer and boot from the main USB drive, once it booted, you will be presented with the option to try Ubuntu or install it. Choose the “Install Ubuntu” option to begin the installation process. Ubuntu Grub Menu
$ cat /sys/kernel/mm/transparent_hugepage/enabled always [madvise] never Usually, the best way to change this setting is in the kernel parameters, followed by a reboot. Edit the file /etc/default/grub, adding the setting to the kernel command-line invocation: ...
Once it’s done, restart your computer and boot normally from the hard disk. You should be able to boot into Windows. If you still see a Grub rescue error, try the steps below. If the trick in step 6 didn’t work If the command in step 6 didn’t work, try Automatic repair from...