Top network posts

• 56 What are the alternatives for checking open ports, besides telnet?
• 35 How do I find the line number in Bash when an error occured?
• 29 How to count the times a specific character appears in a file?
• 22 How to verify if iptables is running or the firewall is activated
• 21 renaming a huge folder: is it risky?
• 16 Match with grep when pattern contains hyphen "-"
• 16 bash + create unique random numbers
• View more network posts →