Sponsored White Papers, Webcasts, and Downloads
TechRepublic Resources
- Implement integrity auditing with basic utilities
- The computing world is full of security tools. Ultimately, however, the only tool that can provide you with something approaching 100 percent certainty that your system hasn't been compromised by a malicious security cracker is an integrity auditing tool. Integrity auditing tools are many and varied, but...
- Tags: Security, File System, Auditing, Computing World, Tripwire, Tool, Integrity Auditing, Commercial Software, Rsync, Mtree, Manpage, Productivity, Chad Perrin
- Blog posts 2007-08-22
Additional Resources
- Linux 101: Making manpages work for you
- One of the most important skills to have for navigating the command line in Linux is the ability to use manpage. The term "manpage", also sometimes spelled "man page", is short for "manual page". It refers to the online UNIX "manual", the traditional and most commonly available form of electronic...
- Tags: Linux, UNIX, Operating Systems, Open Source, Software
- Download resources 2006-08-07
- Linux 101: Making manpages work for you
- Onceupon a time, Linux was a hacker's operating system, in the sense that only themost dedicated and enthusiastic computer geeks had the motivation and skill tomake sense of it and make it work for them. That has been changing for severalyears, and now it's entirely possible for casual computer users...
- Tags: Chad Perrin, GUI, Linux
- Technical articles 2006-08-07
- Gather disk usage statistics with iostat
- The iostat tool monitors I/O (Input/Output) performance related to disk drives. Find out how you can use iostat to better manage your network. System monitoring is an important part of network administration. Fortunately, there are numerous tools on the market that monitor performance, network activity,...
- Tags: I/O, Vincent Danen, Document management, OPEN SOURCE, system monitoring, disk, printing, Linux, Linux Tips Newsletter
- Technical articles 2005-06-13
- Realize the flexibility of OpenSSH
- OpenSSH is one of the most useful tools available. With it, you can access systems remotely and securely, transfer files securely (using scp, sftp, or even rsync over ssh), execute single commands on remote systems, secure normally insecure services, and much more. Most people make use of...
- Tags: Remote System, SSH, OpenSSH, Vincent Danen
- Blog posts 2008-06-10
- Use GnuPG with Mutt to sign or encrypt e-mail
- My mail user agent of choice is called Mutt. It's a text-console based application used to sort, view, read, compose, and send e-mail. It's very feature-rich, providing a great deal of flexibility and functionality to the e-mail "power user" like me. The one thing it doesn't do that a lot...
- Tags: Operating System, Tool, GnuPG, Mutt, E-mail, Productivity, Operating Systems, Online Communications, Software, Chad Perrin
- Blog posts 2008-02-29
- Use mtree for filesystem integrity auditing
- A little over a week ago, I offered an explanation for how you might use rsync for filesystem integrity auditing, as a follow-up to my previous post about implementing integrity auditing with basic utilities. In the earlier article, I specifically mentioned two examples of basic utilities that can be used...
- Tags: Caveat, File System, Auditing, Specification, Integrity Auditing, Chad Perrin
- Blog posts 2007-09-05
- Help needed Linux Web and e-mail server
- Hi all, I need help on the step by step approach on how to implement a webserver and an e-mail server with linux. I also need to know the most suitable linux os to use. Currently, I have Redhat9. I dont know how suitable it is. But please know that...
- Tags: Debian, e-mail, e-mail server, Linux, Mail Transfer Agent, Postfix, QMail, server, tata_auwal@..., webserver
- Discussion threads 2006-10-07
- Protect SSH from brute force password-cracking attacks
- In the midst of ensuring you don't have any unnecessary services running while securing a Unix-like system from outside attacks -- whether a proprietary UNIX system, a free BSD Unix system, or a Linux distribution -- one of the services you'll almost certainly come across is the SSH daemon. ...
- Tags: Password, SSH, Unix, OpenSSH, Attack, Security, Chad Perrin
- Blog posts 2007-10-30
- Using pf and ALTQ for QoS management
- Recent Internet politics has focused quite a bit of attention on the matter of "Net Neutrality". The underlying assumption is that Internet access should be provided entirely without any packet prioritization or bandwidth controls apart from simple bandwidth partitioning to access clients. The techniques used to prioritize network...
- Tags: QoS, Network, ALTQ, Scheduler, Networking, Chad Perrin
- Blog posts 2008-01-14
- Create mirrored backups with rdiff-backup
- If you're looking for a free backup utility that performs full backups and more, check out rdiff-backup. Delivered each Tuesday, TechRepublic's free Linux NetNote provides tips, articles, and other resources to help you hone your Linux skills. Automatically sign up today! ...
- Tags: Backups, Vincent Danen, backup, Linux Tips Newsletter
- Technical articles 2005-03-28
- Use screen to create a virtual terminal in Linux
- Vincent Danen illustrates how the Linux tool screen can help you create virtual terminals. Remote administration with SSH is something every sysadmin is familiar with. Likewise, doing multiple things at the same time, including lengthy compiles or long tasks is also something many of us are familiar...
- Tags: Vincent Danen, Linux, OPEN SOURCE, screen session, Linux Tips Newsletter, Screen, UNIX, Productivity, Operating Systems, Software
- Technical articles 2006-04-24
- Learn the power features of zsh
- Vincent Danen describes some of the features of the Z shell, such as tab-completion and prompt-handling. The Z Shell zsh is a power-shell that is not often used by many Linux users. The reason for this is that most Linux distributions install, and make default, the bash...
- Tags: Vincent Danen, Linux, OPEN SOURCE, Linux Tips Newsletter, TechRepublic Inc., Shell, Zsh, UNIX, Operating Systems, Software
- Technical articles 2006-11-27
- Linux 101: Establish more effective security capabilities with OpenSSH
- Linux 101: Establish more effective security capabilities with OpenSSHarticle rootSSH implementationThe downloadable version of this article is available here:http://downloads.techrepublic.com.com/abstract.aspx?docid=240667What is your current choice for SSH implementation? How important is SSH to your organization?I've noticedmost distros tend to have ssh configured to allow root login and to forward xsession data by...
- Tags: SSH, linux, apotheon, linux 101, chad perrin, Mark W. Kaelin, programming, OpenSSH, authentication, security
- Discussion threads 2006-07-21
- Take advantage of quick backups to tape on Linux systems
- Make quick backups on your Linux systems with the mt-st suite of tools. Before the days of writable CDs, DVDs, and cheap hard drives, the preferred medium for backing up systems was tape. Tape systems are very reliable, although perhaps less convenient than using optical media. They...
- Tags: Linux, Storage, Vincent Danen, Storage management, OPEN SOURCE, backup, Linux system, tape drive, tape, Linux Tips Newsletter, Operating Systems, Software, Hardware
- Technical articles 2006-07-24
- Specify who can log in via OpenSSH
- The OpenSSH suite of tools, developed by the OpenBSD Project, includes popular programs that serve many uses. This popularity combined with ssh availability as both server and client on just about every OS makes it no wonder that ssh has been the target of common attacks; and as a result,...
- Tags: SSH, OpenSSH, AllowUsers, Vincent Danen
- Blog posts 2007-11-09
- Grabbing mail with fetchmail
- Linux comes with numerous e-mail clients including Kmail,Evolution, and Thunderbird. For most users these are sufficient, but for otherswith more esoteric needs, text-based e-mail clients may be preferred. Clientssuch as mutt and pine are often best served when having a dedicated e-mail downloader,or spooler, to do the downloading for them.One...
- Tags: e-mail, Fetchmail, IMAP, password, POP3, server, SMTP server, Vincent Danen
- Technical articles 2005-08-22
- Linux 101: Establish more effective security capabilities with OpenSSH
- LongtimeLinux admins know that SSH,the "Secure Shell" protocol, is one of themost handy and potentially critical utilities in their software toolbox. Usingmultiple terminal emulators in an X Windows environment on a workstation, orvia the Screen utility, a sysadmin for Linux or otherUnix-based OS servers can manage several systems simultaneously with...
- Tags: Chad Perrin, Linux, OpenSSH, security, SSH
- Technical articles 2006-07-21
- RECONFIGURED SAMBA IN UBUNTU 6.10
- #RECONFIGURED SAMBA IN UBUNTU 6.10 by just changing the public writable to yes# Sample configuration file for the Samba suite for Debian GNU/Linux.### This is the main Samba configuration file. You should read the# smb.conf(5) manual page in order to understand the options listed# here. Samba has a huge number...
- Tags: Operating systems, Ubuntu, marither1@..., Samba, password, syslog
- Discussion threads 2007-04-27
- Enforce strong passwords with pam_passwdqc
- Vincent Danen show you a tool that can be customized to help users create appropriate passwords. Here is a short review of pam_passwdqc. Password strength is always debatable; some users feel that a password consisting of their dog's name is sufficient; others feel that nothing less than...
- Tags: Vincent Danen, password, pam_cracklib, character class, minimum length, Linux Tips Newsletter, Password Strength, Pam_passwdqc
- Technical articles 2006-09-01
- << Previous
- page 1 of 1
- Next >>
