How do I check my memory on Ubuntu? Click on the power/gear icon (System Menu) in the top right corner of the screen and choose About This Computer. You will see the total available memory in GiB.
How do I check my CPU and RAM on Ubuntu?
- Use the cat command to display the data held in /proc/cpuinfo.
- Use lscpu to display the CPU details.
- Using a vertical pipe, send the output of the lscpu command to grep and search for “max”.
- Type in the dmidecode command using sudo, and the argument -t 4.
- Use the free command.
How do I check RAM on Linux?
- Open the command line.
- Type the following command: grep MemTotal /proc/meminfo.
- You should see something similar to the following as output: MemTotal: 4194304 kB.
- This is your total available memory.
How do I free up memory in Ubuntu?
- Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches.
- Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches.
- Clear pagecache, dentries, and inodes. # sync; echo 3 > /proc/sys/vm/drop_caches.
- sync will flush the file system buffer.