Carla Schroder

Wednesday Mar 10th 2004 by Enterprise Networking Planet Staff
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Carla Schroder - Index of Articles

carla@bratgrrl.com

Carla Schroder laid hands on her first PC in 1994, and became instantly hooked. Since then she has earned her daily beans administering Linux and Windows systems for small businesses, and writing how-tos for real people. Stay tuned for her upcoming O'Reilly book, the "Linux Cookbook."

Current Articles:

 

» The Give LILO the Boot and Grab Some GRUB
If you're still lumbering along with the good, but antique, Linux Loader, it's time to consider a move to GRUB, the Grand Unified Bootloader — the bootloader of today's generation. (4/14/04)

» The Linux 2.6 Kernel Trilogy Ends: Go Configure Kernel
In our third, and final, installment on the Linux 2.6 Kernel, we get into the gnarly act of configuration. We also take a peek at patching the new kernel to keep things up-to-date. (3/24/04)

» Scripting Clinic: The Bash Continues
In this month's Scripting Clinic, we continue our look at Bash, the default command shell on most Linux distributions. We also offer more evidence of why scripting is good regardless of what those Perl and C coders say. (3/16/04)

» Tips for Compiling and Installing a Linux 2.6 Kernel
You've heard and read all about the new Linux 2.6 kernal. Now it's time to roll up your sleeves compile and install it — safely, of course, and without overwriting your existing kernel. (3/10/04)

» Is Linux Kernel 2.6 Primed for the Enterprise
What does the newest Linux kernel have that 2.4 doesn't? With a long list of features, it offers something for every administrator, but that doesn't mean it's ready to take its place on your network. The Linux Kernel 2.6 upgrade discussion begins in Part 1 of our two-part series. (2/20/04)

» Is Linux Kernel 2.6 Primed for the Enterprise?
What does the newest Linux kernel have that 2.4 doesn't? With a long list of features, it offers something for every administrator, but that doesn't mean it's ready to take its place on your network. The Linux Kernel 2.6 upgrade discussion begins in Part 1 of our two-part series. (2/20/04)

» Scripting Clinic: Have a Bash with This Linux Shell
If you are a Linux administrator, scripting can make your life easier by allowing you to automate routine tasks, customize jobs, and connect different utilities. We kick off our new monthly scripting column with a look at Bash, the default command shell on most Linux distributions. (1/22/04)

» Keeping Accurate Time on Linux
The network time protocol can ensure accurate, synchronized time across your entire network. Carla Schroder explains how to set up a local time server on Linux and how to configure it so that every PC on your network synchronizes with the server. (1/22/04)

» Graceful UPS Shutdowns on Linux
There's nothing pleasant about the data corruption or even hardware damage that can result from a power failure. Carla Schroder explores how UPS units and a couple of Linux UPS tools can help safeguard your mission-critical computers. (1/6/04)

» USB Pen Drives: Large, Portable Storage in a Tiny Package
Carla Schroder looks at why these little devices are taking the networking admin world by storm, and also offers tips for making them work on Linux with hotplugging support. (12/22/03)

» Building an LDAP Server on Linux, Part 4
Learn the ins and outs of LDAP as well as how to build your own LDAP server in this four-part series. The final installment of the series covers adding security to your OpenLDAP server. (12/10/03)

» Building an LDAP Server on Linux, Part 3
Learn the ins and outs of LDAP as well as how to build your own LDAP server in this four-part series. Part 3 addresses populating your LDAP directory with actual data and gliding effortlessly through some of the more common showstoppers. (11/11/03)

» Building an LDAP Server on Linux, Part 2
LDAP provides central management of access, authentication, and authorization — in other words, it makes your life as an admin much easier. Learn the ins and outs of LDAP as well as how to build your own LDAP server in this four-part series. (10/20/03)

» Building an LDAP Server on Linux, Part 1
LDAP provides central management of access, authentication, and authorization — in other words, it makes your life as an admin much easier. Learn the ins and outs of LDAP as well as how to build your own LDAP server in this four-part series. (10/7/03)

» Wireless on Linux, Part 2
For the harassed, overworked network admin, connecting clients without having to run new cabling is so much fun it feels wrong. Carla Schroder shows Linux admins how to overcome a few obstacles so that they too can join in on the festivities. (9/23/03)

» Fine-Tuning Linux Administration with ACLs
Access control lists in Linux are almost ready for prime-time. Beat the rush and start testing now. (9/16/03)

» Making Outlook Less Insecure
If, even after the recent SoBig and Blaster attacks, your users insist on running Outlook or Outlook Express, Carla Schroder feels your pain. For your sanity, here's a list of tips and tricks you can implement to counter the mail client's "Swiss cheese" approach to security. (9/08/03)

» Wireless on Linux, Part 1
For the harassed, overworked network admin, connecting clients without having to run new cabling is so much fun it feels wrong. Carla Schroder shows Linux admins how they too can join in on the festivities. (8/20/03)

» Spam and Viruses: Unholy Matrimony, Part 2
Make no mistake about it — spam and viruses are deliberate, malicious assaults on our systems that often work together to penetrate and compromise our networks. In the second article of a two-part series, Carla Schroder takes a look at client-side defenses for defeating the two-headed monster. (8/4/03)

» Spam and Viruses: Unholy Matrimony, Part 1
Make no mistake about it — spam and viruses are deliberate, malicious assaults on our systems that often work together to penetrate and compromise our networks. Carla Schroder's new series takes a look at server-level and client-side defenses for defeating the two-headed monster. (8/4/03)

» Building a Linux Dial-up Server, Part 2
Any Linux distribution comes with all the tools and protocols you need for building your own dial-up and dial-in servers. In this second article of a two-part series, learn how to create your own dial-in server for allowing users to directly dial in to your network. (7/22/03)

» Printing with CUPS, Part 2
Each variant of Unix has its own printing system with its own unique behaviors and shortcomings. CUPS, the Common Unix Printing System, is a free single-solution tool for Unix and Linux that standardizes printing in these environments. In this second article of a two-part series, Carla Schroder explores using CUPS with networked printers, including network-direct, and Windows servers and clients. (7/16/03)

» Printing with CUPS, Part 1
Each variant of Unix has its own printing system with its own unique behaviors and shortcomings. Carla Schroder reveals how you can get the most out of a free, extensible, single-solution tool for Unix and Linux that standardizes printing in these environments. (7/9/03)

» Building a Linux Dial-up Server, Part 1
Carla Schroder's new two-part series covers how to build both dial-up and dial-in servers for Linux. A dial-up server is used to manage and share an Internet connection, whereas a dial-in server allows users to directly dial in to your network. Any Linux distribution comes with all the tools and protocols you'll need. (6/27/03)

» Building Firewalls with iptables, Part 2
Exposing any system, no matter how briefly, to an untrusted network is suicidal. A firewall is absolutely vital, and fortunately, the Linux world offers an excellent free firewall utility in netfilter/iptables. Carla Schroder takes a deeper look at iptables with additional rules and scripts for basic firewalling and sharing Internet connections. (6/10/03)

» Building Firewalls with iptables, Part 1
Exposing any system, no matter how briefly, to an untrusted network is suicidal. A firewall is absolutely vital, and fortunately, the Linux world offers us an excellent free firewall utility in netfilter/iptables. (5/28/03)

» Viva Liberacion: A Guide to Nuking Spammers, Part 2
All the Bayesian filters, Perl scripts, blocklists, and hosting services do nothing to actually stop spam from proliferating; they merely prevent some of it from reaching your inbox. The second article in Carla Schroder's new two-part series takes a look at going beyond filtering and blocking by attacking spam at its source. (4/30/03)

» Viva Liberacion: A Guide to Nuking Spammers, Part 1
All the Bayesian filters, Perl scripts, blocklists, and hosting services do nothing to actually stop spam from proliferating; they merely prevent some of it from reaching your inbox. Carla Schroder's new two-part series takes a look at fighting spam from a different perspective -- cutting it off at the source. (4/23/03)

» Tame Your Wild Config Herds With CVS
Scripting is a powerful tool in a Linux/UNIX environment, but you can quickly lose track of the many scripts you create for specific circumstances. One way to record and track changes: CVS. Carla Schroeder explains how to set up and maintain a CVS repository. (4/15/03)

» New and Improved Router on a Floppy Disk: Freesco in 2003
Freesco has evolved and improved since Carla Schroder's initial look last year at the "single floppy disk router." In her latest article, Carla takes a second look at the updated, free alternative to Cisco routers for your lighter routing chores and for running lean, specialized servers. (4/10/03)

» Egress Filtering: Fencing in the Bad Guys
Carla Schroder presents the golden rule for egress filtering -- don't let bad packets escape your network -- and explains why it's just as important to control outgoing traffic from your network as it is to filter incoming. (3/20/03)

» Digital Archiving: The Impossible Dream?
Carla Schroder reports on the increasingly difficult challenges of efficiently storing data for the long haul and being able to retrieve that information in a timely, useful manner. (3/7/03)

» Realtime Black-hole Lists: Heroic Spam Fighters or Crazed Vigilantes?
In the continually escalating and increasingly frustrating battle against spam, email administrators are resorting to increasingly draconian measures. Carla Schroder reports on one such measure, the use of Realtime Black-hole Lists (RBLs) to head off spam before it ever reaches your mailserver. (2/24/03)

» Sysadmin Tales of Terror
The biggest challenge a system administrator ever faces is inheriting a networking mess: taking on a new job, or a new client, with a computing infrastructure that has grown without rhyme or reason. What's the hardworking sysadmin to do in this situation? (2/19/03)

» SuSE OpenExchange: More Than a Mere Mail Server
Until recently, there haven't been many viable choices for groupware, especially for mid-sized offices reluctant to run expensive servers. OpenExchange from SuSE bucks that trend and merits nomination as bargain of the year in the groupware field. (2/11/03)

» Preventing Vexation and Woe: DNS Fundamentals, Part Two
DNS makes the Internet world go 'round. Carla Schroder takes a look at how DNS works on the server side in the second article of her two-part tutorial on DNS fundamentals. (2/4/03)

» Preventing Vexation and Woe: DNS Fundamentals, Part One
DNS makes the Internet world go 'round. Carla Schroder takes a look at how DNS works on both the client and server sides in this two-part tutorial. (1/30/03)

» rsync: A Backup Strategy for Modern Times
Carla Schroder explores the use of rsync as a powerful tool for backing up data, synchronizing and transferring file trees, and mirroring Web sites. (1/23/03)

» Tonic for your Backup Woes: CD Backups In Linux, Part Two
As hard drives and networks grow, maintaining efficient backups without going crazy becomes more of a challenge. In her latest article on using CD writers in Linux to aid in backup projects, Carla Schroder covers using tar for more complex CD backup needs and writing scripts to automate backups. (1/16/03)

» Tonic for your Backup Woes: CD Backups In Linux, Part One
As hard drives and networks grow, maintaining efficient backups without going crazy becomes more of a challenge. Carla Schroder offers insight on using CD writers in Linux to aid in your backup projects. (1/8/03)


» Additional Articles by Carla Schroder (2002 Articles)


carla@bratgrrl.com

2002 Articles:

» Who's Got Root? Installing and Configuring Tripwire
Got Root? Does someone else? Tripwire is a great tool for finding out what goes on within your network. In this article, Carla Schroder explains how to install and configure Tripwire. (12/31/02)

» Who's Got Root? Find Out With Tripwire
Got Root? Does someone else? You spend a lot of time securing your systems, but how do you know if they've been compromised? Tripwire can tell you. Carla Schroder explains. (12/18/02)

» Security: Batten Down the Hatches and Troll for Gotchas
Between telnet and Google, there's a lot you can learn about just how secure your organization's systems are. Carla Schroder covers some obscure gotchas you might want to fix, or at least show to your boss. (12/11/02)

» Daemons Running Amok? Daemontools to the Rescue!
If you're always chasing daemons, daemontools might be the butterfly net you need to consolidate your services under a single, cross-platform management interface. (12/4/02)

» tcpserver: Secure, Flexible Daemon Management
Still running inetd on your UNIX systems? Carla Schroder says 'move on!' For TCP services, tcpserver may be the way to go. (11/22/02)

» Make Nessus Your New Security Tool of Choice
No ace sysadmin should be without Nessus -- it's the utility of choice for hardcore security scanning. (11/11/02)

» Apache 2: Improvements Are Obvious, But Upgrade Choices Aren't
With Apache version 2 out and about, you might be confronting the question of an upgrade. Carla Schroder reports that for all the improvements, it might be best to wait a bit and let the dust settle. (10/30/02)

» Sound the Alarm With SNIPS
System and Network Integrated Polling Software (SNIPS) can monitor over 25 network services on up to 2000 devices and send outage alerts to a Web page, e-mail, or your pager. Carla Schroder covers the essentials of this useful Unix tool. (10/30/02)

» The Safe Sysadmin: Tools to Save Your Body
After you've locked down your firewall and secured your IT perimeter, it may be time to assess how safe your shop is for the people who work in it. (10/16/02)

» Networking With Red Hat 8.0
Though much has been made of the popular Linux distribution's enhanced desktop functionality, Red Hat's latest release also includes some new features and fixes helpful to network and system administrators. Carla Schroder reports. (10/9/02)

» Give Your Servers A Good Home: Colo Q&A
No space for a secure, safe server room? Bandwidth costs out of hand? It might be time to consider a colocation facility. Carla Schroder covers the questions you should ask before making the move. (10/2/02)

» Remote Control for Everybody: VNC Crosses Networks and Platforms
VNC (Virtual Network Computing) is a gift from AT&T Laboratories Cambridge for users who want free, low-bandwidth, cross-platform remote control of their systems. (9/25/02)

» SuSE eMail Server: Best of Show?
Give SuSE's Linux-based eMail Server fifteen minutes, and it will give you a full-featured mail and group calendaring setup with a Web front end that 'just works' for under $1000 and no per-seat licensing. Carla Schroder reports. (9/19/02)

» 400 Pieces and Counting with Cross-Platform Net Tester lcrzoex
If you like those big toolsets from Sears that contain hundreds of pieces -- and what's not to like, more equals better, right? -- you'll love lcrzoex, the 400+ piece network testing toolbox. The author calls it "Swiss Knife For Network Developers." (9/11/02)

» Bridge Windows and UNIX Networks With Andrew
The OpenAFS network filesystem runs on UNIX and Windows machines and provides a way to share files that won't have you digging around in /etc/fstab or mapping herds of drive letters. (9/4/02)

» Go Beyond Ping and Traceroute with Cable Testing
We're all familiar with the sort of network faults caused by misconfiguration or complexity, but sometimes the culprit's in the cable. Build a low-cost cable testing kit with Carla Schroder. (8/29/02)

» Kiss Your BIND Good-bye: In-Depth Configuration with Tinydns
Tinydns is a scalable and secure BIND replacement for everything from home user DNS caching to large-scale enterprise networks. In Part 2 of our look at Tinydns, Carla Schroder goes in-depth on configuration. (8/21/02)

» Tinydns: Kiss Your BIND Good-bye
If you're feeling bedeviled by BIND and nagged by named, Tinydns is a scalable and secure replacement for everything from home user DNS cacheing to large-scale enterprise networks. (8/14/02)

» Lash Macs to Your Network With Netatalk
OS X will cure a lot of Apple's traditional interoperability woes, but adoption is still at less than 20%, and many network admins are faced with fleets of older Mac desktops. netatalk running under Linux or UNIX can cure some of the heartache and bring those Macs into the fold. (8/14/02)

» Enjoy Fast Network Backups & Restores With Amanda, Part Two
Last week Carla Schroder introduced Amanda, a fast and stable network-based backup tool. This week she examines the basics of installation, configuration, and maintenance of this powerful tool. (7/31/02)

» Backup Over the Net with Amanda, Part One
Amanda manages backups for your UNIX systems over the network with speed and reliability to spare. Carla Schroder takes a two part look at a backup suite that doesn't need a babysitter. (7/24/02)

» Audit Your LAN Before the Bad Guys Do
nmap gives you the chance to 'audit your network before the bad guys do.' Carla Schroder examines the best network exploration tool and security scanner you'll ever use. (7/18/02)

» Use Snort for Lightweight Intrusion Detection
If you need a lightweight intrustion detector for smaller networks, Snort runs under UNIX/Linux or Windows, packs a punch, and takes just minutes to install. (7/8/02)

» Filter the Web with squidGuard
If you're facing the daunting task of filtering web content, squidGuard presents a cost-free solution with an open database of blocked sites. (6/25/02)

» Bait Crackers With A Honeypot
Adding a honeypot to your arsenal can be a big boost to your network's security, both in distracting malicious users and learning how the garden variety script kiddy or cracker thinks. (6/12/02)

» Build A Primary Domain Controller With Samba, Part Two
Our recipe for quick configuration will make it easy for you to drop a Samba-based PDC into your Windows network for single sign-on authentication, roaming profiles, and more. (5/30/02)

» Build A Primary Domain Controller With Samba, Part One
With Samba as your network's Primary Domain Controller, you can provide single sign-on authentication, roaming profiles, and more on an inexpensive platform. (5/24/02)

» K12LTSP: Kid-proof Computers For Schools
One of the more innovative and ingenious projects to come down the pike in recent times is K12LTSP, the K-12 Linux Terminal Server Project. K12LTSP is designed for the classroom, running diskless terminals (thin clients) connected to an applications server. (5/23/02)

» FreeSCO Build a Router with a 386 and a Floppy Disk, Part Two
Carla Schroder continues her in-depth look at FreeSCO, a single floppy disk router for networks with static routing. It is a good choice for lighter routing chores, when a full-blown heavy-duty commercial router is much too much. (5/20/02)

» FreeSCO: Build A Router With A 386 And A Floppy Disk, Part One
With FreeSCO, all you need to build a router, firewall, or small server is a 386 and a floppy, plus a few minutes to walk through some menus. (5/10/02)

» Mind the Ether with Network Monitors for Windows and Linux
There are almost as many network monitoring apps as there are network admins. Carla Schroder examines a collection of tools available for Windows and Linux. (4/24/02)

» Build a Flexible VPN with FreeS/WAN and Linux, Part Two
Having learned about the advantages of a VPN solution built around low-cost FreeS/WAN, it's time to move on to configuration and testing. (4/18/02)

» Build a Flexible VPN with FreeS/WAN and Linux, Part One
For secure links between your corporate LAN and branch offices, telecommuters, and road warriors, FreeS/WAN and Linux provide security and flexibility for the cost of an old Pentium. (4/17/02)


» See All Articles by Columnist Carla Shroder


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