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Articles from A Linux SysAd Blog

HowTo: Translate Find Statements to Perl Codes 2007-12-03 10:36:00 We have been covering up find command line statements for a while. Now here's a quick entry on how to convert find command line statements into its equivalent and executable perl codes. Find2perl is a little translator to convert find command lines to equivalent Perl code. The resulting code is typically faster than running find itself. Find2Perl is part of perl package, which is installed by ...

HowTo: Single Step VirtualBox Installation on Fedora 8 2007-12-03 09:28:00 With reference on my old post here on how to install VirtualBox (virtualization software) to Fedora 7 linux distro, here's a working howto install VirtualBox on Fedora 8 distro. VirtualBox is a very nice polished virtualization linux software. VirtualBox software generally allows you to run and install a new and separate operating system inside your current operating system. VirtualBox allows ...

CLI Tip: Control Terminal Keystroke Combinations 2007-12-03 09:09:00 Here are more keyboard keystroke combinations that can be done from your current terminal session. These CLI keystroke combinations can be quite handy while doing CLI task. You may find these keyboard keystrokes useful while trying to issue CLI linux commands or editing CLI commands before executing them. Here are several keyboard keystroke combinations that you can do with your CLI session. ...

CLI Tip: Clearing Terminal Screen 2007-12-03 06:55:00 Here's another basic tip on clearing your terminal screen. Clearing terminal screen is quite handy on creating larger workspace from your CLI terminal. Clearing up your CLI session screen gives way on hiding confidential data that is currently being shown from your screen. Here are two ways to clear your terminal screen. From CLI, # clear From keyboard Hit Ctrl+L HTH ...

HowTo: Linux Aliasing Aliases 2007-12-03 03:20:00 Here's a quick tip on linux alias command, definitions and usage. In Linux, an alias is basically used to duplicate a name or a command. Duplicating a linux alias or a linux command gives comfort and convinience in some reasons. There are lots of linux command that are hard to remember and too long to type in terminal. Others linux commands are seldomly used and not easy to remember. There are ...

HowTo: Move Multiple Files Recursively 2007-12-01 13:50:00 There are times we need to move thousands of data files into once central location recursively for further data processing considering. Here's a quick blog entry on how to rename multiple files recursively and move them into one folder location having Related entry with the previous posts. Supposed that you have a collection of MP3 songs and albums and you wish to move them into one folder ...

HowTo: Rename multiple files recursively 2007-12-01 09:10:00 This blog entry is related to old post here. The only difference is that this time around it would be done recursively. If you have hundreds of files with a common filename located from direcoty and its subdirectories, and you wish to have their filenames renamed to fielname with all uppercase letters - this blog can provide the concept on how to achieve that. And if you wish to remove space ...

HowTo: Strip Non-Directory Path Suffix from FileName 2007-12-01 08:58:00 As recently blogged, here's the actual reverse process of stripping and removing non-directory suffix from a complete path filename. This blog entry is here to discuss and show on how to remove non-directory suffix of a path filename and retain only the directory name. In short, stripping the non-directory suffix from /var/cache/named/etc/named.conf would only return the string value of /var/ ...

HowTo: Generate Pronounceable Random Passwords 2007-12-01 03:35:00 Linux user passwords are the primary authentication that most linux distro uses to verify a users identity and access. This is why password security is enormously important for protection of the user, the workstation, and the network. There are lots of ways and approach on creating and generating passwords. Here's one easy way to create and generate random and meaningless but pronounceable ...

HowTo: Determine RedHat and Fedora release version 2007-12-01 03:03:00 A quick blog post on how to determine your Fedora release name and its release version. For several years of staying and working under a company with multiple linux distributions and versions, multiple OS upgrades and server redundcancy backups makes it somehow confusing and difficult to differentiate which release name and version was a specific server is currently on. In Fedora, the release ...

HowTo: Strip directory path and filename suffix 2007-11-30 15:51:00 Here's another quick howto on stripping or removing directory folder path and/or filename suffix or filename extensions of a given complete or partial filename using the linux basename command. Basename strips directory and suffix from filenames by definition. Basename binary is part of coreutils package. This basename command can be useful on handling filename strings or directory path on ...

HowTo: Get the Filename Extension Only 2007-11-30 15:31:00 From previous post, we have managed to strip the leading folder path and filename extension. Now, this blog entry is here to cover the reverse approach of my previous basename blog post. How to manipulate a filename string and return only the filename extension of a file from command line using awk parameters. For filename with single file extension, removing the leading file name and leaving ...

Tailf - watch the linux log file grows 2007-11-30 15:21:00 Another overused linux command that has been quite around from this linux blog entry and widely used command on monitoring log file tail. Tail binary allows a user to watche the growth of a log file. Watching the log file grows can be done using an additional -f parameter. Alternatively, another approach to watch a log file grows can be done using tailf binary command. To tailf or to tail -f ? ...

Fedora 8 with Enlightenment Window Manager 2007-11-30 11:48:00 Linux Window Manager definition: Wiki defines Window Manager as: n X window manager is window manager under the X Window System, a windowing system mainly used on Unix-like systems. Here's the shortest definition of Window Manager I could find, with the help of Google. Linux window manager is a graphical interface which is commonly know as X11 or more simply as 'X'. Unlike the Apple Macintosh ...

HowTo: ScreenCasts & Desktop Records via Istanbul 2007-11-29 04:38:00 Istanbul is a desktop session recorder for the Free Desktop. Istanbul records your desktop session into an Ogg Theora video file. The video file can then be used for your presentation, demos, tutorials and video works. Istanbul desktop session recorder offers a lot greate screen recording features. Istanbul can record audio sounds, running videos, 3D desktop screens, mouse movements, specific ... Amp