优化和清理Ubuntu系统可以提高系统性能和响应速度。以下是一些步骤和工具,帮助你进行系统优化和清理:
sudo apt update && sudo apt full-upgrade -y
sudo apt autoremove --purge
sudo cp /etc/apt/sources.list /etc/apt/sources.list.baksudo sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.listsudo apt update
sudo apt purge libreoffice* thunderbird rhythmbox
sudo apt autoremove --purge linux-image-<version>
sudo ufw enable
sudo ufw default deny incoming
sudo ufw default allow outgoing
sudo ufw allow OpenSSH
sudo ufw allow 80/tcp # HTTP
sudo ufw allow 443/tcp # HTTPS
sudo ufw status verbose
sudo passwd -dl root
sudo adduser devuser --gecos "" --disabled-passwords
sudo usermod -aG sudo devuser
systemd-analyze blame
systemd-analyze critical-chain
sudo systemctl disable bluetooth.service
sudo systemctl mask snapd.service snapd.socket
sudo sysctl -w vm.swappiness=10
noop
适用于SSD,deadline
适用于低延迟应用。top
、htop
、ps
等命令)定期检查CPU、内存、磁盘和网络的使用情况。sudo apt-get clean
sudo apt-get autoclean
sudo apt-get autoremove
BleachBit
、Ubuntu Cleaner
、Sweeper
等):sudo apt install bleachbit
sudo apt install ubuntu-cleaner
sudo apt install sweeper
在进行系统优化和清理时,请确保备份重要数据,并谨慎操作,以免影响系统稳定性。