Articles by Till Brehm
About Till Brehm
Over 20 years of experience as a software developer and Linux system administrator. Till Brehm is the founder and lead developer of the ISPConfig hosting control panel software (since 2000) and he founded HowtoForge in 2005 as a place to share Linux knowledge with other Linux enthusiasts.
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Making snapshots of the process table shown by the TOP command
Author: till •
Tags: shell •
Comments: 0 To make a snapshot of the current process table, use the following command: top -n 1 -b > /tmp/processtable.txt You can now view the textfile with any text editor, e.g. pico or vi.
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Show all processes for a specific user
Author: Till Brehm •
Tags: shell •
Comments: 4 To view only the processes owned by a specific user, use the following command: top -U [USERNAME] and replace [USERNAME] with the name of the user.
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Get a list of the installed services
Author: till •
Tags: shell •
Comments: 5 To get a list of the installed services on the shell, you may use this command (on Fedora, RedHat, CentOS, SuSE, and Mandriva): chkconfig --list
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Creating image borders with ImageMagick convert
Author: till •
Tags: shell •
Comments: 0 The command is: convert -border 2x2 old.jpg new.jpg This creates a new image (new.jpg) with a 2 pixel border from the image old.jpg. To set the bordercolor to red, use this command: convert -border 2x2 -bordercolor "#FF0000" old.jpg new.jpg
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How can I clear the shell window?
Author: Till Brehm •
Tags: shell •
Comments: 1 Use the commad: clear or the keyboard shortcut: [CTRL] + [L]
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How to save a command in the shell history without executing it
Author: Till Brehm •
Tags: shell •
Comments: 2 Enter the command line and hit the keys:[CTRL] + [#]This will put a # in front of the command and execute it. The shell will take it as comment.
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How can I observe a logfile continuously?
Author: Till Brehm •
Tags: shell •
Comments: 1 With the command: tail -f /path/to/logfile you will see all lines added to the logfile. To stop this, press [CTRL] + c
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Which Frontpage version is supported by ISPConfig 2?
Author: Till Brehm •
Tags: ispconfig •
Comments: 0 Currently only Frontpage 2002 is supported.
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How can I login to a site with Frontpage?
Author: Till Brehm •
Tags: ispconfig •
Comments: 0 The user name is admin, the password is the one that you entered in the ISPConfig control panel in the form of the respective site.
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What is the difference between standard and expert mode during the ISPConfig installation?
Author: Till Brehm •
Tags: ispconfig •
Comments: 0 In standard mode the installer assumes standard values for you Linux distribution which may not always be correct (but in most cases). In expert mode you will be asked about those values which gives you the possibility to change them.
