My Technical Notes

How to test the Apache configuration file httpd.conf

After making changes to the Apache configuration file, it is a good practice to test the configuration before implementing it.

To test the Apache configuration file for errors:

apachectl configtest

If the configuration file is fine, this command will return Syntax Ok. Otherwise, it will return detailed information about the error discovered.

If [...]

How Do I Search for Files on linux ?

find / -name “kartook” -print

This command tells find to start looking in the root directory of the filesystem.

(/) for files named (-name) kartook and then to print (-print) the full name of each file it finds.

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$ cp kartook.conf.backup  kartook.conf
$ cp stuff stuff.bak

Note: The cp command will overwrite files with the same name without warning. To be prompted before overwriting, use the -i flag, like so:

$ cp -i kartook.conf.backup foldername/kartook.conf
cp: over kartook.conf.backup foldername/kartook.conf (y/n)?

Renaming Files

Use the mv command to rename a file or move it to another directory, like so:

$ mv stuff [...]

Step 1:
Close all programs. This will keep the computer from slowing down or freezing when removing the RPM package. It allows the computer to focus on this one task and allow it to finish quickly and accurately. This is a technique you should use whenever removing or installing any programs.

Step 2:
Open a terminal window. Type rpm [...]

Script used to fwd ips from squid proxy server

iptables -t nat -A POSTROUTING  -s 192.168.0.2(client machine ip address) -j MASQUERADE

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