User ilkkachu - Super User

25 votes

What prevents me from setting up an A name entry for “google.ca” to whatever IP address I want?

answered Feb 13, 2020 at 12:43

15 votes

How can I pull back an email that has already been sent?

answered Jan 11, 2021 at 22:12

14 votes

How to remove trailing characters in filenames in Bash?

answered Aug 28, 2016 at 8:37

11 votes

Can't pipe in bash's "mapfile" ... but why?

answered Aug 14, 2018 at 12:39

11 votes

How does the computer know which switch to send the packet to?

answered May 22, 2021 at 20:42

7 votes

Bash prompt to change color when I am logged into a server

answered Aug 29, 2016 at 6:48

6 votes

Filling file with 0xFF gives C3BF in OSX

answered Aug 16, 2018 at 19:41

6 votes

Keep running command until output differs from previous run in Bash

answered Nov 15, 2020 at 21:39

4 votes

Using an Rj45 to D9 RS232 Adaptor with a laptop to control an RS232 device

answered Nov 9, 2018 at 8:45

3 votes

Can ',,' be aliased to '..'?

answered Apr 29, 2017 at 14:18

3 votes

Accepted

DHCP timeout when connecting over managed switch

answered May 16, 2018 at 15:19

1 vote

Why does it seem like I am losing IP addresses after subnetting with the subnet mask of 255.255.255.192/26?

answered Mar 6, 2023 at 9:26

1 vote

Bash Command Substitution doesn't work

answered Dec 7, 2018 at 18:42

1 vote

Connecting subnets controlled by master net

answered Oct 19, 2019 at 10:59

1 vote

Accepted

Replacing variables in a file

answered Apr 27, 2017 at 20:02

0 votes

How to make a bash script ask the user for a directory and if it's not found, ask again

answered Apr 27, 2017 at 20:26

Stack Exchange Network

16 Answers

What prevents me from setting up an A name entry for “google.ca” to whatever IP address I want?

How can I pull back an email that has already been sent?

How to remove trailing characters in filenames in Bash?

Can't pipe in bash's "mapfile" ... but why?

How does the computer know which switch to send the packet to?

Bash prompt to change color when I am logged into a server

Filling file with 0xFF gives C3BF in OSX

Keep running command until output differs from previous run in Bash

Using an Rj45 to D9 RS232 Adaptor with a laptop to control an RS232 device

Can ',,' be aliased to '..'?

DHCP timeout when connecting over managed switch

Why does it seem like I am losing IP addresses after subnetting with the subnet mask of 255.255.255.192/26?

Bash Command Substitution doesn't work

Connecting subnets controlled by master net

Replacing variables in a file

How to make a bash script ask the user for a directory and if it's not found, ask again