Sending an email from console is an easy procedure that comes in handy. I use it a lot, mainly when I setup a new mail server to send test email or when I want to send the contents of a big configuration file.
To install the mail command in red-hat based distributions, issue Read more »
Recently I was asked for a postgres database by a web application. Working with mysql all the time I didn’t have a clue about postgres commands, it was an easy procedure after all.
Howto create a database
There are two ways to create a new database Read more »
After serving three years, eight months, and 27 days in prison, Robert Soloway aka “spam king” has been released. Soloway had troubles with the law from back in 2005 when Microsoft won a $7.8 million civil judgment against Soloway, for spam sent through MSN and Hotmail services. In May 30, 2007 he was arrested for 35 charges including mail fraud, wire fraud, e-mail fraud, identity theft and money laundering. On March 14, 2008, Robert Read more »
Under the terms of the agreement, WD will acquire Hitachi GST for $3.5 billion in cash and 25 million WD common shares valued at $750 million, based on a WD closing stock price of $30.01 as of March 4, 2011. Hitachi, Ltd. will own approximately ten percent of Western Digital shares outstanding after issuance of the shares and two representatives of Hitachi will be added to the WD board of directors at closing. The transaction has been approved by the Read more »
To password protect privileged exec mode on your switch, issue the following command in global configuration mode
enable secret my_password
if you are running an old ios and enable secret is not recognized then issue
enable password my_password
and encrypt the password
service password-encryption
next secure the virtual consoles
line vty 0 15 password_my_password login
and finally the console
line con 0
password my_password
do not forget to issue from privileged exec mode
copy run start
to save your configuration
reload the switch and test
There is a new category coming up on akamaras.com called networking
things i’m going to write about in this new category:
IPv6
I intend to do some reading about ipv6 in the following days. Since I’m given the opportunity, I’ll write about new technologies and protocols ipv6 will bring and of course about the way ipv6 works.
Cisco
3 years ago I’ve taken ccna (Cisco Certified Network Associate) & fwl (Fundamentals of Wireless LAN) certifications. Unfortunately I haven’t been working on cisco devices over the last couple of years and most of the things I’ve learned are long forgotten. It’s a good opportunity for me to freshen up my knowledge on ios.
Various other interesting things about networking. Stay tuned.
lets say you have two identical hdd in your linux box in a software raid1 setup. one of them fails and you have a nice degraded array. you have to replace the failed hdd and rebuild the array. but which one is to replace??
let’s say sda is the working hdd, issue the following command
hdparm -I /dev/sda | head -8
and you should see
/dev/sda:
ATA device, with non-removable media
Model Number: WDC WD6400AACS-00G8B1
Serial Number: WD-WCAUF2974726
Firmware Revision: 05.04C05
Transport: Serial, SATA 1.0a, SATA II Extensions, SATA Rev 2.5
voila, there you have the model number and the serial of the hdd 🙂
ISPConfig 3 is a very nice open source hosting control panel for Linux based systems. Here are some things you can do in case you are running ispconfig3 on a low end vps and you want to free up resources. This post is based on centos and ispconfig3 v3.0.3.2
php handler
Preffer suPHP as the php handler for your websites
remove eaccelerator
issue
yum erase php-eaccelerator
to remove eaccelerator
disable clamav
ClamAV is an open source (GPL) antivirus engine designed for detecting Trojans, viruses, malware and other malicious threats. ispconfig uses clamav to scan email attachments. By disabling clam you’ll gain a lot of ram
create a file
vi test
and insert some text, then send it with the following command
sendfax -n -D -d XXXXXXX test
where XXXXXXX is the number of the remote fax machine, replace it with a valid fax number
Many of us have a webpage. The content is good but where are the visitors ? Ok , one way is to advertise but before this step
you can try these tips.
Most of all find a good title. And check often your page rank to see what’s going on. You can check at net-tools your pagerank and links.
Have fun !
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