10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I have a simple awk script:
BEGIN{}
{
$a=$2-$1;
print $a
}
END{if(NR==0){
print "0"
}
}
to which I provide the following input
2.9 14
22.2 27 (4 Replies)
Discussion started by: jamie_123
4 Replies
2. Shell Programming and Scripting
Hi, guys
Here is my script and it's an imaginary script to recast a string randomly.
#!/bin/bash
# scriptname: recast_string
# purpose: recast a string randomly like this "abc123" --> "21a3cb" or "a31b2c"
function recast()
{
local original_string=$1
local... (4 Replies)
Discussion started by: franksunnn
4 Replies
3. Programming
Hi all,
Sorry for the title because I didn't find a proper name for it. My question is about POSIX functions, such as timer_create(), mq_open() and pthread_create().
void test_queue()
{
struct mq_attr attr;
attr.mq_maxmsg = 10;
attr.mq_msgsize = 64;
mq_unlink("/my_test_queue");... (6 Replies)
Discussion started by: bus147
6 Replies
4. Shell Programming and Scripting
awk 'BEGIN{print 1.2.3.4}'
1.20.30.4
Can anyone explain why has extra "0" in the IP address? (3 Replies)
Discussion started by: newoz
3 Replies
5. UNIX for Dummies Questions & Answers
Hi.
First post, and Linux newbie, so maybe I'm missing something obvious:
I have a Synology NAS that is run by a Linux distribution (which?). I have had an external hard drive connected to the NAS for making backups using Synology's backup application Time Backup.
Time Backup is based on... (3 Replies)
Discussion started by: Pokersut
3 Replies
6. Infrastructure Monitoring
Hi,
I want to install net-snmp-devel package but i have following dependecy problem.
It's very odd, i don't get it. One of packages is depended on the other one, the other one is depended on the previous one as well. :S :S
Could you help me please?
Here are the steps:
# ls -l
total... (4 Replies)
Discussion started by: oduth
4 Replies
7. UNIX for Advanced & Expert Users
Hi,
I've Ubuntu 8.04, and it has some files that I just cannot delete. I've tried everything, inode, fsck etc.
Here is what the ls -li outputs
root@ubuntu:/home/luser/.local/share/Trash/files/junk# ls -l
ls: cannot access TRUNK_: No such file or directory
ls: cannot access 2006_output.mv:... (11 Replies)
Discussion started by: nitin
11 Replies
8. Shell Programming and Scripting
I am trying to find the difference in days between 2 dates.
I have to extract the 1st date from a filename, which i did using the awk command.
I have to compare this date to today's date and if the difference is greater than 30 days, do something, else do something else.
This is what i wrote... (22 Replies)
Discussion started by: meeraKh
22 Replies
9. Solaris
Greetings To All!
I am running Solaris 10 in a sparc environment.
Here is the deal:
In /var/spool/cron/crontabs, there is a cron user named "sys". If I do a
crontab -l sys, it returns:
# 0 * * * 0-6 /usr/lib/sa/sa1
# 20,40 8-17 * * 1-5 /usr/lib/sa/sa1
# 5 18 * * 1-5 /usr/lib/sa/sa2... (8 Replies)
Discussion started by: RobSand
8 Replies
10. UNIX for Advanced & Expert Users
I have a few files on my system named:
-rw-------
-rw-r-----
-rw-rw--w-
-rwxrw-r-x
(Yes, it's really the name of the file, not the access permissions, they're 0 bytes large and all created at the same date/time).
I've no idea how they got there but I don't seem to be able to delete them... (2 Replies)
Discussion started by: rein
2 Replies