Linux System has three command clear cache without interrupting any services.
1)Clear PageCache only.
# sync; echo 1 > /proc/sys/vm/drop_caches
2)Clear inodes and dentries.
# sync; echo 2 > /proc/sys/vm/drop_caches
3)Clear dentries, pagecache and inodes.
# sync; echo 3 > /proc/sys/vm/drop_caches
Free Buffer and Cache in Linux script
clear_cache.sh script in add
#!/bin/bash
echo "echo 3 > /proc/sys/vm/drop_caches"
Set execute permission on the clear_cache.sh file.
# chmod 755 clear_cache.sh
Set crontab -
# crontab -e
Append the below line, save and exit to run it at 1 am daily. Add this code in the crontab.
0 1 * * * /path/to/clear_cache.sh
Clear Swap Space in Linux
# swapoff -a && swapon -a
Check Memory status command
#free -m
To clean the apt-cache on Ubuntu running this command
#sudo apt-get clean
Remove Old Kernels
#sudo apt-get autoremove --purge
Directory var/cache folder remove
Also Remove the .Cache Folders and Free Up Space On Your Linux PC.
#sudo rm -rf ~/.cache/thumbnails/*
You can also download BleachBit software use in linux.
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