Misc Oneliners selfsigned certificate for 1 year cd /etc/ssl; openssl req -nodes -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 356 set default branch to main git config --global init.defaultBranch main bash - check multiple files [ -f /etc/resolv.conf -a -f /etc/hosts ] && echo "Both files exist" || echo "One or Both Files are missing" remove word ’nosuid’ on the line /var in /etc/fstab sed -E -i.bak 's/(.*\/var.*)(,nosuid)(.*)/\1\3/' /etc/fstab macos show hidden files defaults write com.
ASLO AS Lookup Helper Script. It’s written for OpenBSD and need’s some modification for Linux. It basically depends on Python, PIP Installer and Python Package “aslookup”. Have Fun !
Download wget https://blog.stoege.net/scripts/aslo chmod 755 aslo ./aslo 1.1.1.1 Script … and the Content himelf. It basically check’s if pip is installed, if as-lookup is installed, and then does the as lookup for the given IP Adress
#!/usr/bin/env bash # AS Lookup for IP Address install_pip() { echo -e "\npip not found, install ?
How to Process Large Files … ? Large is a variable Term, 700 GB is large for me, while it could be a small peace for others.
Assuming you need to count the lines … this simple Task can take minutes !
Size [user@host /tmp]$ du -sh bigfile 745G bigfile Wordcount -> 10 min if you need to count the lines, use the wordcount command and you get the exact number … but you have to wait for minutes, depending in your disk subsystem and the file size of course