Bash script, find the next closed (not in use) port from some port range.

9 More Discussions You Might Find Interesting

1. AIX

Forcing named 9 to use a fixed ephemeral port range

I'll start with I'm not an AIX expert, I inherited a lot of AIX servers to maintain. My problem is on AIX 7.1 TL4 SP4 environments. I'm running named as a DNS forwarder only to internal DNS servers. These AIX servers have a customized UDP ephemeral port range to avoid conflicting with the...

2. Solaris

How to find port number wwn of particular port on dual port HBA,?

please find the below o/p for your reference bash-3.00# fcinfo hba-port HBA Port WWN: 21000024ff295a34 OS Device Name: /dev/cfg/c2 Manufacturer: QLogic Corp. Model: 375-3356-02 Firmware Version: 05.03.02 FCode/BIOS Version: BIOS: 2.02; fcode: 2.01;...

3. Red Hat

Which is the effective ephemeral port range in Linux 2.6 for this set up?

In my Linux system ephemeral port range is showing different ranges as follows $ cat /proc/sys/net/ipv4/ip_local_port_range 32768 61000  cat /etc/sysctl.conf | grep net.ipv4.ip_local_port_range net.ipv4.ip_local_port_range = 9000 65500 Which will be the effective ephemeral port...

4. UNIX for Dummies Questions & Answers

iptables to block port 25 only to a certain range

I want to limit all *outbound* traffic on eth0 (or all *.*) on port 25 to a specific (allowed) range... I.E. 192.168.1.5 (local ip) tries to connect to 1.2.3.4:25 (outside real world ip) It can proceed because 1.2.3.0/24 is the allowed range Now, 192.168.1.5 (local ip) tries to connect to...

5. AIX

Allow port range using IPsec?

Hi Guys, Please could you tell me if it is possible to have a single rule/filter to allow a certain port range instead of a separate rule for each port? I'm sure it must be possible but I am unable to find the syntax. Thanks Chris

6. Shell Programming and Scripting

Block local and remote port with iptables - Script BASH

Hello I'm beginner in the linux scripting and i would like to get help. I want to create a script that can block one or more Port even see all the TCP port. The ports must be blocked even when starting my machine. Of course requires a second script which will allow the ports that you want to...

7. Solaris

How to enable Serial port on ILOM, when Network Port is enabled in parallel

Hi Everyone, In my environment, I have few T5220. On the iLOM Management Card, I have both Network and Serial port are cabled, I don't have any issues while I try to connect using Network Management port, but when I try to connect the serial port for the same server which is actually connected...

8. AIX

TCP/UDP port range for default AIX NFS?

May I know what is the TCP/UCP port range for any default AIX NFS? Based on rpcinfo -p, I got the following output: program vers proto port service 100000 4 udp 111 portmapper 100000 3 udp 111 portmapper 100000 2 udp 111 portmapper 100000 4 ...

9. SCO

tcp port always closed in inetd

sco unix 5.0.x, several weeks ago, I add a telnet-like service in inetd.conf, it runs well for 100 network terminals. But nowdays, the terminals can connect to server successfully after booting machine, but several hours later, can not connect. "netstat -p tcp -a" can NOT find the port in...

LEARN ABOUT DEBIAN

pct-scanner-script

PCT-SCANNER-SCRIPT(1)					      General Commands Manual					     PCT-SCANNER-SCRIPT(1)

NAME

       pct-scanner-script - easy scan and create merged DjVu and PDF documents for archiving

SYNOPSIS

       pct-scanner-script [--help]

DESCRIPTION

       pct-scanner-script  is  a  bash script and configuration system to easily scan documents and create a digital archiving. It can create DjVu
       PDF and JPEG outputs, in merged and individual files. It also has a configuration system where different  configurations  can  be  defined,
       making it easy to switch between configurations.

       Please use pct-scanner-script --help to find all program options, the complete help, and all examples.

       Features:
	 - auto archiving in merged and individual DjVu, PDF, and JPEG files
	 - auto and manual resume when scanning somehow fails
	 - cascading configuration system, for easy customizing
	 - easy command-line-style bash program, with useful options
	 - archiving made possible with both adf and flatbed scanners
	 - built for productivity and daily use
	 - uses bash, scanadf and other mainstream processing tools
	 - multilanguage commandline output

OPTIONS

       -h, --help, -?
	      Show summary of options, help, and examples.

DEBUGGING

       This  program  is  a  helper  script  to easy scan and automated digital document archiving for normal and adf scanners. You can debug this
       script by running it as bash -x pct-scanner-script [options]. The script is just a nice wrapper for the scanadf, DjVu and PDF tools.

SEE ALSO

       scanadf(1),

AUTHOR

       pct-scanner-script and this manual page are written by:
	      Jelle de Jong <jelledejong@powercraft.nl>.

								  March 31, 2009					     PCT-SCANNER-SCRIPT(1)

UNIX for Beginners Questions & Answers