There are several ways to remove old kernel versions in Ubuntu and free updisk space. The sections below show three methods: usingapt autoremove,apt remove, and theGUI. Remove Kernels on Ubuntu Using apt autoremove Use theapt commandwith theautoremoveoption to automatically remove all old kernels...
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...
[ step6 ]Appendmodule_name.blacklist to the kernelcmdline. We give it an invalid parameter ofblacklistand set it to1as a way to preclude the kernel from loading it. Here we also setrd.driver.blacklistas another method of preventing it from being loaded. Raw # sed -i '/^GRUB_CMDLINE_...
Run the following command to check the status of atop. Ifactive (running)is displayed in the output, atop is running properly. systemctl status atop atop.service - Atop advanced performance monitor Loaded: loaded (/usr/lib/systemd/system/atop.service; enabled; vendor preset: disabled)Active: ...
For example, on a system running CentOS 7.4 (kernel 3.10.0-693.17.1), the cpupower command above sets the IA32_HWP_REQUEST minimum and maximum frequencies to 2100, rather than the 1800 I explicitly requested. Requesting 1000 MHz for minimum and maximum results in se...
Note: SSHD will read that the kernel has enabled FIPS mode and will activate it too. No need to edit anything in the sshd configuration. Validate FIPS mode is enabled Validate the kernel commandline. cat /proc/cmdline Validate that kernel has enabled FIPS mode. ...
linux /boot/[linux-kernel-version] root=[partition] For example: linux /boot/vmlinuz-6.8.0-40-generic root=/dev/sda1 ro 8. Enter thebootcommand. boot Check if the system now boots properly. Via Live image Another way to fix your GRUB boot issues is to use a Linux live image to boo...
If the commandupdate-grubis not found, you can install it as follows. $ sudo apt-get install grub2-common Add Kernel Boot Parameters on Fedora To add kernel parameters during boot time on Fedora, edit GRUB config template at/etc/default/grub. Add a kernel parameter in the form ofname=va...
Grub Loading Error 15: If Grub Loading Error 15 is bothering you, you need to make sure that the kernel file exists on your computer. To find out the exact kernel name you need to shut down your PC and then boot it from the Live CD. Then mount /boot on your partition, and then ...
They made it as simple as possible for the more daring user to modify Kali Linux to their preferences, even down to the kernel. Go through these Kali Linux Interview Questions and Answers to excel in your interview. Kali Linux Installation Steps Step 1: Boot Screen Start the installation by...