Update README.md
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@ -8,7 +8,7 @@ It's mostly distro-agnostic but sometimes specific for [pacman-based distros](ht
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- Requires: *Do you need any particular software (provide a link)?*
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- How-to: *Straight forward description and maybe a code example.*
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- *Detailled description if necessary.*
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- `# this is the actual code lol`
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- `$ this is the actual code lol`
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- Aditionally: *Anything else that might be important like additional ressources.*
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### 1. Automatic clear cache.
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@ -37,14 +37,14 @@ It's mostly distro-agnostic but sometimes specific for [pacman-based distros](ht
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- Description: Repeat and watch a command in a custom interval.
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- Requires: The [procfs](https://gitlab.com/procps-ng/procps) package.
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- How-to: Use `watch` followed by your command.
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- Example: `# watch -n 1.0 "du -h -s ./$folder`
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- Example: `$ watch -n 1.0 "du -h -s ./$folder`
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- This prints the summarized size of $folder in human-readable format every second.
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- Additionally: ---
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### 5. Repeat last command as su.
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- Description: Repeat the last command using sudo.
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- Requires: The [sudo](https://www.sudo.ws/) package.
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- How-to: Just type `sudo !!` and the last command will be repeated using `sudo`.
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- How-to: Just type `$ sudo !!` and the last command will be repeated using `sudo`.
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- Additionally: ---
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### 6. Prevent overwriting files.
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@ -58,17 +58,17 @@ It's mostly distro-agnostic but sometimes specific for [pacman-based distros](ht
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- Description: Automatically clean the pacman package cache using paccache.
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- Requires: A [pacman-based distro](https://en.wikipedia.org/wiki/List_of_Linux_distributions#Pacman-based) and the [pacman-contrib](https://github.com/archlinux/pacman-contrib) package.
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- How-to: Enable the paccache.timer.
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- `# systemctl enable paccache.time`
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- `$ systemctl enable paccache.time`
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- Additionally: Edit the paccache.service in /usr/lib/systemd/system/ and change the command to e.g. keep the latest installed version and no uninstalled version of all packages: `ExecStart=/usr/bin/paccache -rk1 && /usr/bin/paccache -ruk0`
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### 8. Passwordless SSH.
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- Description: Connect to a remote maschine using SSH without a password.
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- Requires: A SSH implementation like [TinySSH](https://tinyssh.org/).
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- How-to: Generate a keypair and send the public key to the remote maschine's authorized keys.
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- Generate a keypair: `ssh-keygen -t rsa`
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- Send the key: `ssh-copy-id $remote-username@$remote-ip-address`
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- Generate a keypair: `$ ssh-keygen -t rsa`
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- Send the key: `$ ssh-copy-id $remote-username@$remote-ip-address`
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- Fill in the username and IP address of your remote maschine.
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- For example: `ssh-copy-id foo@192.168.178.123`
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- For example: `$ ssh-copy-id foo@192.168.178.123`
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- Additionally: Here's a more detailed [tutorial](https://www.hostinger.com/tutorials/how-to-setup-passwordless-ssh/).
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### 9. Automatic clean orphaned packages.
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@ -82,17 +82,24 @@ It's mostly distro-agnostic but sometimes specific for [pacman-based distros](ht
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- Description: Automatically retrieve the latest Arch Linux mirrors and write them to the mirrorlist.
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- Requires: An Arch-based distro and [reflector](https://xyne.dev/projects/reflector/).
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- How-to: Install reflector and enable the reflector.timer.
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- `# systemctl enable reflector.timer`
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- `$ systemctl enable reflector.timer`
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- Additionally: [ArchWiki: Reflector](https://wiki.archlinux.org/title/Reflector#systemd_timer).
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### 11. Extract text containing keywords from any file.
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- Description: This command will filter and sort text based on keyword from any file(s).
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- Requires: [GNU Coreutils](https://www.gnu.org/software/coreutils/), [GNU grep](https://www.gnu.org/software/grep/)
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- How-to:
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- `cat ./*/files* | grep -e keyword1 -e keyword2 | sort -u | nl > file`
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- `$ cat ./*/files* | grep -e keyword1 -e keyword2 | sort -u | nl > file`
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- `cat` will take any file(s), multiple files in multiple subdirectories can be specified.
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- `grep -e` will look for any and/or all specified keywords.
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- `sort -u` will sort the results alphabetically and remove duplicates.
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- `nl` will add a number in front of every result (optionally).
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- `>` will write everything in a specified file.
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- Additionally: This is simply an example of how useful the coreutils can be, especially when used together.
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### 12. Enable parallel downloads for pacman.
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- Description: Enable parallel downloads for faster updates with pacman.
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- Requires: A [pacman-based distro](https://en.wikipedia.org/wiki/List_of_Linux_distributions#Pacman-based).
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- How-to: Edit pacman's config-file at `/etc/pacman.conf` and uncomment `ParallelDownloads` and add a number of parallel downloads like 5 or 10.
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- `# nano /etc/pacman.conf`
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- Additionally: [ArchWiki: Pacman](https://wiki.archlinux.org/title/Pacman#Enabling_parallel_downloads).
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