Search Results

I am looking for an iptables command to allow incoming UDP packets for my Linux server

also is there a command I can use to set the default action for outgoing packets to accept?

Thank you

I am trying to find out what port number is used for SSH communication and HTTPS services in my Ubuntu OS.

Thank you,
Crim

Cheers for the help both you of. And to answer your question yes Chubler the files all have the same character match up

Hello I am trying to develop a shell script that takes a text file such as this...

E-mail@ Soc.Sec.No. *--------Name-----------* Class *School.Curriculum.Major.* Campus.Phone
JCC2380 XXX-XX-XXXX...

Yes this does work! thank you, but is there anyway I can do a simpler approach using ps --sort some how?

I am trying to sort the output in decreasing order of the process ID while using the ps command. I am having trouble doing this using the --sort part of ps.


Also I was wondering if anyone knows...

I am trying to echo out

echo letter1
echo letter2
echo letter3

and it returns nothing


I am unsure about what this does:

for i in $(seq 0 $((${#letters[@]}-1))) ; do
...

When I try to do this, it doesn't save anything into the variables. it leaves them all blank

I am trying to make a script that takes a word and each letter up and turns it into a separate variable. My code currently does not work but I feel I just need to tweak one thing that I am unsure...