CentOS系统的优化和清理是一个重要的过程,可以显著提高系统的性能和稳定性。以下是一些基本的优化和清理步骤:
sudo rm -rf /tmp/*
sudo rm -rf /var/tmp/*
rm -rf ~/.mozilla/firefox/Cache/*
sudo yum list installed
sudo yum remove <package_name>
sudo yum autoremove
sudo du -sh /var/log/*
sudo truncate -s 0 /var/log/<log_file>
tar -czvf <archive_name>.tar.gz <directory>
sudo rm -rf <directory>
cd ~/.local/share/Trash/files
sudo rm -rf *
ncdu
等工具查找并删除大文件或目录:sudo yum install ncdu
sudo ncdu /
sudo yum clean all
sudo dnf clean all
sudo yum clean packages
/etc/sysctl.conf
文件,调整内核参数,如:vm.swappiness = 10
net.ipv4.tcp_fin_timeout = 30
sudo sysctl -p
sudo systemctl disable <service_name>
sudo systemctl stop <service_name>
sudo mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd{a,b,c,d}
/dev/sda1 / ext4 defaults,noatime,nodiratime 0 0
free -m
sysctl -w vm.swappiness=10
sysctl -w net.core.rmem_max=4194304
sysctl -w net.core.wmem_max=4194304
ethtool -l eth0 grep "supported multiqueue"
ethtool -A eth0 on
sudo yum update -y
sudo yum autoremove
通过上述步骤,您可以有效地对CentOS系统进行优化和清理,提高系统的性能和稳定性。请定期进行这些操作,以确保系统始终保持在最佳状态。