Commands#

DNS#

• dig domain.tld: domain resolution
• dig @ns.server.tld domain.tld: ask ns.server.tld to know domain.tld dns informations
• dig -x XXX.XXX.XXX.XXX: domain reverse

Network#

• netstat -atnpu: port stats

GPG#

• gpg -c file.txt: encrypt file.txt with a passphrase
• gpg -d file.txt.gpg: decrypt file.txt.gpg file with the passphrase

Compression#

• tar cfz archive.tar.gz target_dir_or_file: archive and compress file or directory into tar.gz
• tar xfz archive.tar.gz /path/to/unarchive: unarchive a tar.gz file

Borg Backup#

• borg info 'REPOSITORY::ARCHIVE': get archive infos
• borg export-tar 'REPOSITORY::ARCHIVE' backup.tar.gz: download an archive

Grep#

• grep -nr 'string' /path/to/folder: search string in a folder

Sources:

• https://www.cyberciti.biz: nixCraft website