# Linux

- [Learning guidelines](/os/linux/learning-guidelines.md)
- [LPIC1 Notes](/os/linux/learning-guidelines/lpic1-notes.md)
- [Linux Academy Notes](/os/linux/learning-guidelines/linux-academy-notes.md)
- [Install / Update Guides](/os/linux/install-update-guides.md)
- [Set up Raspberry PI](/os/linux/install-update-guides/set-up-raspberry-pi.md)
- [Update Debian 10 (buster) to Debian 11 (bullseye)](/os/linux/install-update-guides/update-debian-10-buster-to-debian-11-bullseye.md)
- [Increase disk size](/os/linux/increase-disk-size.md)
- [umask](/os/linux/umask.md)
- [inodes](/os/linux/inodes.md)
- [at jobs](/os/linux/at-jobs.md)
- [yum](/os/linux/yum.md)
- [yum update vs yum upgrade](/os/linux/yum/yum-update-vs-yum-upgrade.md)
- [find](/os/linux/find.md)
- [ssh](/os/linux/ssh.md)
- [SSH returns: no matching host key type found. Their offer: ssh-rsa](/os/linux/ssh/ssh-returns-no-matching-host-key-type-found.-their-offer-ssh-rsa.md)
- [Generate Public Key from Private Key](/os/linux/ssh/generate-public-key-from-private-key.md)
- [Run local bash scripts on remote server](/os/linux/ssh/run-local-bash-scripts-on-remote-server.md)
- [crontab](/os/linux/crontab.md)
- [Crontab 1st Sunday of every Month](/os/linux/crontab/crontab-1st-sunday-of-every-month.md)
- [Set crontab to execute after restart](/os/linux/crontab/set-crontab-to-execute-after-restart.md)
- [vim](/os/linux/vim.md)
- [Use sed inside vim](/os/linux/vim/use-sed-inside-vim.md)
- [networking](/os/linux/networking.md)
- [Check Port](/os/linux/networking/check-port.md)
- [fail2ban](/os/linux/fail2ban.md)
- [bashrc](/os/linux/bashrc.md)
- [lvm](/os/linux/lvm.md)
- [fallocate](/os/linux/fallocate.md)
- [Generate dummy file with actual size](/os/linux/fallocate/generate-dummy-file-with-actual-size.md)
- [openssl](/os/linux/openssl.md)
- [Create Certificate via CNF file](/os/linux/openssl/create-certificate-via-cnf-file.md)
- [OpenSSL cert conversion](/os/linux/openssl/openssl-cert-conversion.md)