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The
Mysteriously Persistently Exploitable Program
This
week, we'll take a look at a successful and somewhat puzzling
machine compromise. The machine in question was a production
machine that had been up and running for about a year
- one of those machines that had so much on it that you're
afraid to ever reboot it, lest something not come back
up.
http://www.linuxpronews.com/2003a/1210.html
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12.10.03 |
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Monitoring
File or Directory Changes
Many
modern systems provide a way to watch a directory for
events (new files, reading the directory, modification
of a file in the directory, etc.). This facility can be
done in various ways, from providing hooks in the filesystem
code itself to something that watches for inode changes.
Linux and BSD have several possibilities in that regard,
including dnotify, changedfiles, and watch.
http://www.linuxpronews.com/2003a/1205.html
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12.05.03 |
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Free
IBM technology & product tutorials
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IBM
Webcast - Linux Performance
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GNU
Linux Security
People
consider the GNU or free software and open source software
to be unsafe and are supposed to easily compromised because
their source code are readily available,which isn't correct.
This article is specifically related for the security
of the GNU Linux Operating system and will help the person
for enabling the security parameters for added safety.
http://www.linuxpronews.com/2003a/1023.html
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10.23.03 |
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Response
to SCO's Open Letter
Eric
Raymond and Bruce Perens respond to the SCO Group: Mr.
McBride, in your "Open Letter to the Open Source Community"
your offer to negotiate with us comes at the end of a
farrago of falsehoods, half-truths, evasions, slanders,
and misrepresentations. You must do better than this.
We will not attempt to erect a compromise with you on
a foundation of dishonesty.
http://www.linuxpronews.com/2003a/1002.html
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10.02.03 |
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Kernel
Link Failures
A
cover your butt procedure I always follow is to link a
kernel BEFORE you change anything. If it fails, you know
it was already broken, and didn't break because of something
you did. If you are feeling really paranoid, answer "N"
to the "Do you want this kernel to boot by default" message,
and then do:
http://www.linuxpronews.com/2003a/0917.html
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09.17.03 |
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Five
Lessons For Open Source Developers
Extreme
Programming, or XP, isn't so much revolutionary as it
is evolutionary. Developers have known the value of code
reviews, testing, and good communication for decades,
though we've ignored that knowledge far too often in practice.
Five Lessons You Should Learn from Extreme Programming
explained several XP practices that apply to non-XP projects.
A little common sense, a bit of learning from failure,
and a lot of discipline can improve your team.
http://www.linuxpronews.com/2003a/0910.html
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09.10.03 |
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Think
your Linux/Unix systems are properly protected? Think again…
Today’s
sophisticated viruses and malware threats demand a Linux/Unix
anti-virus product that is easy to set up and maintain
and provides protection against all known viruses across
a wide variety of platforms.
http://www.linuxpronews.com/2003a/0908.html
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09.08.03 |
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Overview
of Red Hat Certification
If
the company Red Hat has its way, its Red Hat Certified
Engineer (RHCE) credential will eventually replace Microsoft's
MCSE certification as king of the network operating system
hill.
http://www.linuxpronews.com/2003a/0904.html
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09.04.03 |
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Find
Out More About Red Hat Enterprise Linux
If
the server goes down, you're skipping lunch. If you lose
your data, you're not making it back home tonight either.
With the Essential Server™ you can have all the features
you need to make sure your data is safe and sound-- without
sacrificing your entire IT budget, or your lunch hour.
http://www.linuxpronews.com/2003a/0821.html
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08.21.03 |
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Managing Iptables Rules Remotely
In our saga that began several weeks ago, we're trying to create a firewall setup that allows no inbound access by default that can be modified remotely to allow a small window of inbound SSH connectivity. Remember that this machine must have no inbound TCP ports accessible to pass muster with the Windows-biased IT administrators, yet we want to allow inbound SSH dynamically when needed.
http://www.linuxpronews.com/2003a/0818.html
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08.18.03 |
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Building
A Linux Router
Building
a reliable, full-featured broadband router can be very easy and cost-efficient.
This article is about building one for routing a LAN to the Internet with NAT
(Network Address Translation -- Linux users also call it as IP Masquerading) using
an old computer and a Linux micro-distribution designed to have very low hardware
requirements. We'll end up having a very simple and stable system, yet featuring
e.g. iptables based stateful firewalling and remote administration.
http://www.linuxpronews.com/2003a/0806.html
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08.06.03 |
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Suid
Programs, Getting To The Root Of The Problem
There
are always some little touches left to make your linux even a bit more secure,
involving suid, nouser, sudo and etc. Now, this article is newbie friendly, but
it also requires some small amount of knowledge. Fear not, for I shall explain
everything as painfully as I can. So sit back, grab yourself your favorite drink,
some peanuts and relax. 3,2,1...
http://www.linuxpronews.com/2003a/0729.html
|
07.29.03 |
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How
To Connect Two PC Via SLIP Using A Null-Modem Cable On Linux
In this
article we’ll describe how to connect two PC via SLIP protocol using a null-modem
cable. After this procedure, the two PCs will be connected and the IP protocol
will be available for interworking, so using IP applications (e.g. telnet, ftp,
ping) will be possible.
http://www.linuxpronews.com/2003a/0723.html
|
07.23.03 |
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Linux
Enterprise Solutions
Managed
hosting saves a load of headaches, but you want all the features you're used to
without sacrificing your entire IT budget. Rackspace has the perfect deal for
you - the Essential Server. For a short while you can sign up for Rackspace's
feature-packed hosting deal and save up to $1500!
http://www.linuxpronews.com/2003a/0722.html
|
07.22.03 |
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ADV
Linux resources from IBM at no charge!
Developing
on Linux, or wanting to learn how? Be sure to take advantage of the extensive
set of technical resources we have availableto help support your Linux development
needs, with the Speed-start yourLinux App offering at IBM developerWorks. We'll
help you get startedwith, or build on your existing skills on Linux...at your
own pace!
http://www.linuxpronews.com/2003a/0715.html
|
07.15.03 |
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Securing Linux
Here we
go again. I decided to write another article concerning some overall security
aspects of installing and running linux. To keep it short and simple, here are
some good pointers to enhancing your system's security. But remember, there's
no absolute security, so keep your eyes open, subscribe yourself to a few good
mailing lists, and keep your software up-to-date.
http://www.linuxpronews.com/2003a/0625.html
|
06.25.03 |
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Running
Arbitrary Scripts Under CVS
Five files
in the CVSROOT directory of the repository enable you to run arbitrary scripts
when a file is committed or tagged. Common uses for these files include interfacing
CVS to a bug management system, a change tracker, or another tool; enforcing compliance
with a project policy; and triggering processes such as automated export programs.
http://www.linuxpronews.com/2003a/0624.html
|
06.24.03 |
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Thawte - It's a Trust Thing
Two thirds
of consumers do not believe that their online transactions are safe, according
to the Consumer Internet Barometer. This has a significant influence on their
willingness to engage in business exchanges online. Show your customers you can
give them the protection they want. Thawte's 128-bit encryption upgrade promises
the strongest encryption available to you and your customers.
http://www.linuxpronews.com/2003a/0617.html
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06.17.03 |
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Hyper-Threading Speeds Linux
The Intel Xeon processor introduces a new technology called Hyper-Threading (HT) that, to the operating system, makes a single processor behave like two logical processors. When enabled, the technology allows the processor to execute multiple threads simultaneously, in parallel within each processor, which can yield significant performance improvement. We set out to quantify just how much improvement you can expect to see.
http://www.linuxpronews.com/2003a/0611.html
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06.11.03 |
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Security Administration With Debian GNU/Linux
Debian
has a package manager (DPKG) that resolves dependency problems automatically.
It help us to automatically keep up to date programs looking for new versions
on the internet, resolving and completing the files and libraries dependencies
which a package requires, making system administration easy and keeping us up
to date with the new security changes. It also shows some important and substantial
security features: it doesn't have commercial goals, also doesn't obey mercantile
urgencies, It has a good pursuit of errors, problems are fixed in less than 48
hours and it's priority is to develop a complete and reliable operating system.
http://www.linuxpronews.com/2003a/0603.html
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06.03.03 |
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Linux
File Permission Confusion
Linux
has many different level of security. The kernel is protected from user processes;
a user can only affect his own processes; and user processes are protected from
each other. This security model requires that you must specifically allow users
and processes to interact, otherwise there is no avenue for interaction and thus
no avenue for attack.
http://www.linuxpronews.com/2003a/0528.html
|
05.28.03 |
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Notify Cell Phone of Incoming Mail
Many cell
phones now have the ability to receive email. While that can be very useful, large
messages are often a problem both because they are hard to read and because one
large message may be split up into multiple messages at the phone.
http://www.linuxpronews.com/2003a/0514.html
|
05.14.03 |
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Improve
Linux Performance
Performance
breakthroughs seem to come in two varieties: easy and hard. That's no platitude;
the boundary between the two is surprisingly clear. When you hear about some --
the easy ones -- you clap your hands and say, "wow" or "of course" or "slick."
Although in some cases it has taken considerable genius to realize their first
application, they're easy to understand.
http://www.linuxpronews.com/2003a/0512.html
|
05.12.03 |
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Download
& Try NetOp Remote Control
NetOp
Remote Control for Linux provides secure, cross-platform, remote control for your
enterprise support and network administration needs. NetOp for Linux includes
both NetOp Guest and the NetOp Host modules so you can run NetOp on PCs and servers
running popular Linux operating systems such as Red Hat. NetOp for Linux offers
fast remote control, file transfers, chat and more. Try it free today.
http://www.linuxpronews.com/2003a/0416.html
|
04.16.03 |
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Agentless
Systems Monitoring
Freshwater
Software's SiteScope is the most cost-effective, straightforward way to monitor
your IT systems. Using SiteScope's agentless technology, you'll ensure database
queries are successful, DNS servers are working, URLs are loading quickly, CPU
utilization is acceptable, application servers are running optimally, and much,
much more. All from a single monitoring location.
http://www.linuxpronews.com/2003a/0203.html
|
02.03.03 |
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Practical
Linux Security
Many companies
use the PDF format to transfer contracts, manuals, and other documents over the
Internet without trying to convert them to HTML or changing the format of the
document in any way. In fact, the only real drawback to PDF files is that a special
reader is required to view them -- but even that is free to download on the Internet.
http://www.linuxpronews.com/2003a/0116.html
|
01.16.03 |
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Freshwater
Software
You won't
have to wait long to see how you'll benefit from SiteScope. SiteScope is agentless,
so you won't have to run around installing it on multiple servers. Think of the
time and legwork you'll save. SiteScope installs once, on just one server, and
that's it. It takes less than an hour to begin monitoring more than 65 aspects
of your IT systems.
http://www.linuxpronews.com/2003a/0106.html
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01.06.03 |
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