From 0961d7472526981db42b2f818dfc0d4d8754d5de Mon Sep 17 00:00:00 2001 From: proledatarian Date: Tue, 8 Feb 2022 21:27:09 +0000 Subject: [PATCH] Finished v1. --- README.md | 43 +++++++++++++++++++++++-------------------- 1 file changed, 23 insertions(+), 20 deletions(-) diff --git a/README.md b/README.md index 4849425..c1c1322 100644 --- a/README.md +++ b/README.md @@ -1,7 +1,7 @@ -# Random Linux Tips (WIP) +# Linux Tech Tips -*This is a random collection of useful thing I came across by simply using Linux. -It's mostly distro-agnostic and sometimes specific for Arch- and/or pacman-based distros.* +*This is a random collection of useful things I came across. +It's mostly distro-agnostic but sometimes specific for [pacman-based distros](https://en.wikipedia.org/wiki/List_of_Linux_distributions#Pacman-based).* ### 0. *Short example template.* - Description: *What is this good for.* @@ -12,24 +12,24 @@ It's mostly distro-agnostic and sometimes specific for Arch- and/or pacman-based - Aditionally: *Anything else that might be important like additional ressources.* ### 1. Automatically clear cache. -- Description: Move files older than a specific amount of time from your user's ~/.cache directory to the trash. -- Requires: [rmtrash](https://github.com/PhrozenByte/rmtrash). +- Description: Move files older than a specific amount of time from your user's `~/.cache` directory to the trash. +- Requires: The [rmtrash](https://github.com/PhrozenByte/rmtrash) package. - How-to: Add the following line to your crontab using the command "crontab -e" (or EDITOR=$editor crontab -e). - `0 17 * * * /usr/bin/find ~/.cache/* -mtime +7 -exec /usr/bin/rmtrash -rf {} \;` - - This command looks at files in ~/.cache every day at 5 p.m. and moves files older than 7 days to the trash. + - This command looks at files in `~/.cache` every day at 5 p.m. and moves files older than 7 days to the trash. - Additionally: This can also be done using regular `rm` instead of `rmtrash`. -### 2. Limit Systemd journal size. -- Description: Limit the Systemd journal to a specific size. -- Requires: Specific to systems using [Systemd](https://systemd.io/). +### 2. Limit systemd journal size. +- Description: Limit the systemd journal to a specific size. +- Requires: Specific to systems using [systemd](https://systemd.io/). - How-to: Edit `/etc/systemd/journald.conf` and change `SystemMaxUse=50M`. -- Additionally: [ArchWiki: Systemd](https://wiki.archlinux.org/title/Systemd/Journal#Journal_size_limit). +- Additionally: [ArchWiki: systemd](https://wiki.archlinux.org/title/Systemd/Journal#Journal_size_limit). - Additionally: This can also be achieved using `journalctl` and be [limited by time](https://wiki.archlinux.org/title/Systemd/Journal#Clean_journal_files_manually). ### 3. Syntax highlight for nano - Description: Enable syntax highlighting for nano. - Requires: The [nano](https://www.nano-editor.org/) editor. -- How-to: Edit `~/.config/nano/nanorc` or to `/etc/nanorc` and add the following. +- How-to: Edit `~/.config/nano/nanorc` or to `/etc/nanorc` and add the following: - `include "/usr/share/nano/*.nanorc"`. - Additionally: [ArchWiki: Nano](https://wiki.archlinux.org/title/Nano#Syntax_highlighting). @@ -48,8 +48,8 @@ It's mostly distro-agnostic and sometimes specific for Arch- and/or pacman-based - Additionally: --- ### 6. Prevent overwriting files. -- Description: Use alias for *rm*, *cp* and *mv*. -- How-to: Add the following alias into your ~/.bashrc. +- Description: Use alias for `rm`, `cp` and `mv`. +- How-to: Add the following alias into your `~/.bashrc`. - Use *-interactive* option to get asked before overwriting files. - `alias mv="mv -i"` - Additionally: [ArchWiki: Core utilities](https://wiki.archlinux.org/title/Core_utilities#Preventing_data_loss). @@ -58,15 +58,18 @@ It's mostly distro-agnostic and sometimes specific for Arch- and/or pacman-based - Description: Automatically clean the pacman package cache using paccache. - 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. - How-to: Enable the paccache.timer. - - # systemctl enable paccache.timer + - `# systemctl enable paccache.time` - 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` ### 8. Passwordless SSH -- Description: Connect to a device using SSH without a password. -- Requires: -- How-to: - - -- Additionally: +- Description: Connect to a remote maschine using SSH without a password. +- Requires: A SSH implementation like [TinySSH](https://tinyssh.org/). +- How-to: Generate a keypair and send the public key to the remote maschine's authorized keys. + - Generate a keypair: `ssh-keygen -t rsa` + - Send the key: `ssh-copy-id $remote-username@$remote-ip-address` + - Fill in the username and IP address of your remote maschine. + - For example: `ssh-copy-id foo@192.168.178.123` +- Additionally: Here's a more detailed [tutorial](https://www.hostinger.com/tutorials/how-to-setup-passwordless-ssh/). ### 9. Automatically clean orphaned packages. - Description: Automatically remove orphaned packages. @@ -80,4 +83,4 @@ It's mostly distro-agnostic and sometimes specific for Arch- and/or pacman-based - Requires: An Arch-based distro and [reflector](https://xyne.dev/projects/reflector/). - How-to: Install reflector and enable the reflector.timer. - `# systemctl enable reflector.timer` -- Additionally: [ArchWiki](https://wiki.archlinux.org/title/Reflector#systemd_timer). +- Additionally: [ArchWiki: Reflector](https://wiki.archlinux.org/title/Reflector#systemd_timer).