Generic commands for me to use.<\/p>\n\n\n\n
To see how much space is used and available on each partition:<\/p>\n\n\n\n
df -h
<\/code><\/pre>\n\n\n\nFor more detailed usage on individual directories:<\/p>\n\n\n\n
du -sh \/*
<\/code><\/pre>\n\n\n\nTo check specific folder usage, like your home<\/strong> directory:<\/p>\n\n\n\ndu -sh \/home\/USER
<\/code><\/pre>\n\n\n\n2. Delete files in Trash<\/strong><\/h3>\n\n\n\nTo clear the Trash<\/strong>:<\/p>\n\n\n\nrm -rf ~\/.local\/share\/Trash\/files\/*
<\/code><\/pre>\n\n\n\n3. Remove unused packages and clean package cache<\/strong><\/h3>\n\n\n\nTo remove orphaned packages<\/strong> (packages that were installed as dependencies but are no longer required):<\/p>\n\n\n\nsudo pacman -Rns $(pacman -Qdtq)
<\/code><\/pre>\n\n\n\nTo clean the pacman<\/strong> package cache, removing old versions of packages:<\/p>\n\n\n\nsudo pacman -Sc
<\/code><\/pre>\n\n\n\nTo remove all cached packages<\/strong> (careful with this as it removes all<\/strong> cached versions):<\/p>\n\n\n\nsudo pacman -Scc
<\/code><\/pre>\n\n\n\n4. Update the system<\/strong><\/h3>\n\n\n\nTo update the system and all packages:<\/p>\n\n\n\n
sudo pacman -Syu
<\/code><\/pre>\n\n\n\n5. List installed packages<\/strong><\/h3>\n\n\n\nTo list all installed packages<\/strong>:<\/p>\n\n\n\npacman -Q
<\/code><\/pre>\n\n\n\nTo list only explicitly installed packages<\/strong> (packages you manually installed):<\/p>\n\n\n\npacman -Qe
<\/code><\/pre>\n\n\n\n6. Check for broken packages<\/strong><\/h3>\n\n\n\nSometimes, an update might break something. To check if there are any broken or incomplete packages:<\/p>\n\n\n\n
sudo pacman -Qk
<\/code><\/pre>\n\n\n\n7. Remove unnecessary logs<\/strong><\/h3>\n\n\n\nLog files can accumulate over time. To remove systemd logs<\/strong> (be cautious, as this might remove useful logs):<\/p>\n\n\n\nsudo journalctl --vacuum-size=100M
<\/code><\/pre>\n\n\n\nTo clear all logs, set a retention period (e.g., 1 week):<\/p>\n\n\n\n
sudojournalctl --vacuum-time=1w
<\/code><\/pre>\n\n\n\n8. Remove unused dependencies (after uninstalling software)<\/strong><\/h3>\n\n\n\nWhen you remove software, there may be leftover dependencies that were installed with it but are no longer needed. Clean these up with:<\/p>\n\n\n\n
sudo pacman -Rns $(pacman -Qdtq)
<\/code><\/pre>\n\n\n\n9. System Cleanup and Optimizing<\/strong><\/h3>\n\n\n\nYou can also use debt of space<\/strong> in hidden configuration files or directories. This command cleans some space from orphaned packages or unneeded files<\/strong> (it\u2019s safe to run occasionally but make sure to review packages first):<\/p>\n\n\n\nsudo pacman -Qdtq | sudo pacman -Rns -
<\/code><\/pre>\n\n\n\n10. Check your system for errors<\/strong><\/h3>\n\n\n\nSometimes file systems can develop errors. You can check and repair them (if needed):<\/p>\n\n\n\n
sudo fsck -A
<\/code><\/pre>\n\n\n\nFor specific file systems (e.g., if you want to check \/home<\/strong>):<\/p>\n\n\n\nsudo fsck \/dev\/sda3
<\/code><\/pre>\n\n\n\n11. Remove old kernels<\/strong><\/h3>\n\n\n\nIf you’re using linux-lts<\/code><\/strong> or other kernel versions<\/strong>, they can take up a lot of space. Remove unused or older kernels:<\/p>\n\n\n\nsudo pacman -R linux-lts linux-lts-headers
<\/code><\/pre>\n\n\n\n12. Rebuild package database<\/strong><\/h3>\n\n\n\nSometimes, the package database can become corrupt. If you face issues with package installation or updates, rebuild it:<\/p>\n\n\n\n
sudo pacman -Syyu
<\/code><\/pre>\n\n\n\n13. Clear the font cache<\/strong><\/h3>\n\n\n\nTo clear font cache<\/strong> and refresh it:<\/p>\n\n\n\nsudo fc-cache -f -v
<\/code><\/pre>\n\n\n\n14. Check running processes<\/strong><\/h3>\n\n\n\nTo view the running processes and resource usage on your system:<\/p>\n\n\n\n
top
<\/code><\/pre>\n\n\n\nOr for a more detailed view:<\/p>\n\n\n\n
htop
<\/code><\/pre>\n\n\n\n15. Uninstall a package<\/strong><\/h3>\n\n\n\nIf you need to remove a package completely (including dependencies that were installed with it):<\/p>\n\n\n\n
sudo pacman -Rns <package_name>
<\/code><\/pre>\n\n\n\n16. View system logs<\/strong><\/h3>\n\n\n\nTo see detailed logs of system activities, including errors or other logs:<\/p>\n\n\n\n
sudo journalctl -xe
<\/code><\/pre>\n\n\n\n17. Check for available system updates<\/strong><\/h3>\n\n\n\nTo check if there are updates without actually installing them:<\/p>\n\n\n\n
sudo pacman -Qu
<\/code><\/pre>\n\n\n\n18. Checking and cleaning memory usage (swap)<\/strong><\/h3>\n\n\n\nTo view swap usage:<\/p>\n\n\n\n
swapon --show
<\/code><\/pre>\n\n\n\nTo turn off swap (useful for troubleshooting or cleanup):<\/p>\n\n\n\n
sudo swapoff -a
<\/code><\/pre>\n\n\n\n19. Free up system memory (clear cache)<\/strong><\/h3>\n\n\n\nTo clear cached memory:<\/p>\n\n\n\n
sudo sysctl vm.drop_caches=3<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Generic commands for me to use. 1. Check disk usage and free space To see how much space is used and available on each partition: df -h For more detailed usage on individual directories: du -sh \/* To check specific folder usage, like your home directory: du -sh \/home\/USER 2. Delete files in Trash To clear the Trash: rm -rf ~\/.local\/share\/Trash\/files\/* 3. Remove unused packages and clean package cache To remove orphaned packages (packages that were installed as dependencies but are no longer required): sudo pacman -Rns $(pacman -Qdtq) To clean the pacman package cache, removing old versions of packages:…<\/p>\n