Increase number of old kernels to keep on autoremove
107162
How to keep 4 Linux kernels in /boot by default before they are removed automatically
45430
How to switch between low latency and generic kernels?
35870
How to change kernel at boot
33755
How to change maximum number of cores?
157249
How to have Linux wipe/randomize/sanitize RAM at shutdown?
49015
Memory limiting solutions for greedy applications that can crash OS?
80192
How to reduce VM size?
9400
Limit memory usage for a single Linux process
46487
Purge unused data (e.g. particle system, or groups) by script
145434
Is there a way to make ext-filesystems use less space for themselves in Linux?
18475
Reverting to previous kernel to avoid booting the new one that breaks my system
153430
How do I stop /var/log/kern.log.1 from consuming all my disk space?
81819
Increasing the size of the memory: not all files are built successfully
52405
How to remove/ignore most recent kernel?
135162
How to empty swap if there is free RAM?
151802
How can I remove old linux-images when installing new kernel updates?
11960
How to increase swap space?