The Geek Stuff

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Question:  How can I install all the schedule jobs from a text file to the crontab? Also, can I remove all the cron jobs at once instead of removing the individual lines from the crontab?Answer: You can install, edit and remove crontab in batch mode as..
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You may be using bc command in command line for calculations. It can also be used for batch mode calculations as explained below.1. Calculation using Single command$ echo "4+10" | bc142. Calculation using Multiple commands$ echo...
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Question: When debugging an issue on Ubuntu, I typically go to the command line to view the log file. Are there any GUI log file viewers available for Ubuntu?Answer: Ubuntu comes with an inbuilt system log file viewer.Launching System Log ViewerClick on..
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This article is part of the on going Unix sed command tutorial series. In our previous articles we learned sed with single commands — printing, deletion, substitute and file write.Sed provides lot of commands to perform number of operations with...
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Question: When I execute ping command from the command line, it keeps sending the packets until I hit CTRL-C to terminate the ping command output. How can I execute ping command only for N number of packets and terminate the output automatically? Answer:.
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