error messages

Linux / Unix Find Command: Avoid Permission Denied Messages

by on March 10, 2013 · 0 comments

When I type find . -type d -name "foo" command I get Permission denied error messages. How do I exclude all “permission denied: messages from the find command under Linux or Unix like operating systems?

{ 0 comments }

Nginx Block And Deny IP Address OR Network Subnets

by on January 13, 2010 · 11 comments

How do I block or deny access based on the host name or IP address of the client visiting website under nginx web server?

{ 11 comments }

PHP: Stop Notice and Variable Warnings in Error Log Files

by on December 20, 2008 · 8 comments

Q. I’m using error logging in place of error displaying on production web sites. However, I do not want to see error messages about the use of uninitialized variables. I’d like to see all critical errors, except for notices and coding standards warnings. How do I disable error messages?

{ 8 comments }

FreeBSD Apache Jail: Connection refused: connect to listener on 0.0.0.0:80 Error and Solution

by on September 25, 2008 · 0 comments

Q. I’m running Apache 2 server under FreeBSD jail. However, I see lots of warning / error messages in /var/log/httpd-error.log as follows:

[Sat Sep 20 20:47:09 2008] [warn] (61)Connection refused: connect to listener on 0.0.0.0:80
[Sat Sep 20 20:47:10 2008] [warn] (61)Connection refused: connect to listener on 0.0.0.0:80
[Sat Sep 20 20:47:11 2008] [warn] (61)Connection refused: connect to listener on 0.0.0.0:80

How do stop all these warning messages flooding my Apache log files?

{ 0 comments }

ICMP IP Network Scanning / Probing using a Shell Commands

by on December 13, 2007 · 0 comments

Q. How do I check security of my network by running ICMP IP Network Scanning under FreeBSD / Linux? How do I subnet broadcast addresses? All I wanted to see if my firewall is working or not. A. Internet Control Message Protocol (ICMP) one of the core protocols of the Internet protocol suite. It is [...]

{ 0 comments }

Linux LILO boot procedure freezes with LI characters (Lilo boot loader LI error)

by on July 26, 2007 · 0 comments

Q. My Linux system says LI while booting system and then boots procedure freezes or halts. How do I solve this problem? A. LILO is a generic boot loader for Linux. This error means few things. LI characters indicate that LILO is having problems. It cannot boot the system. a) Goto BIOS and set LBA [...]

{ 0 comments }