For instance, use the following command in Terminal to search for two files “sdn.txt” and “centos”: You can also use the wildcard character to find the files that match the query. Its database should be regularly updated for the search utility to work.eval(ez_write_tag([[250,250],'vitux_com-leader-1','ezslot_12',115,'0','0']));eval(ez_write_tag([[250,250],'vitux_com-leader-1','ezslot_13',115,'0','1'])); Locate is not installed by default in the Linux OS. You can also press Ctrl+F to search … However, if two terminals are opened simultaniously, the commands of one of them are lost. => /var/log/apport.log: Application crash report / log file. You can view the list of log files in this directory with a simple ls -l /var/log command. This will give you a scrolling view of the logfile. Click on it to view System Log. To view the first 15 lines of a file, we run head -n 15 file.txt, and to view the last 15, we run tail -n 15 file.txt. Thanks, a lot.Are there the history of all opened terminals or only some of them? Linux show file content. For instance, use the following command in Terminal to search for two files “sdn.txt” and “centos”: $ locate –i sdn.txt centos. If you want to get the last 1000 lines from a log file and they do not fit into your shell window, you can use the command "more" to be able to view them line by line. The general syntax would be: For instance to find empty files under the /home/tin directory, run the following command in Terminal: Using Find command, you can also search for files depending upon when they were access or modified. You can interactively scroll through the file with less /var/log/syslog . If you cannot find your files, you must search for them using command line applications on Linux. $ grep [options] [pattern] [/path/to/file]where [options] parameter contains generic options to control the search and [pattern] contains string that we want to search. You can also use the wildcard character to find the files that match the query. Default Log File Location. You have to use backslash “\” and pipe sign “|” characters among your strings. With a default from-source installation on Ubuntu 14.04, Redis log files are located at /var/log/redis_6379.log. Using Echo. You can use the Find command to search for all files in a specific directory. To get to /var/log/ launch a terminal window by pressing Ctrl + Alt + T or Ctrl + Shift + T. Then, in the command-line window, use CD to change directories from the … /var/log/logfile.log : nano /var/log/logfile.log. Now the screenshots may look different but the steps remain the same. To learn more, see our tips on writing great answers. This information is invaluable for using the system in an informed manner, and should be one of the first resources you use to trouble-shoot system and application issues. If you want to get the last 1000 lines from a log file and they do not fit into your shell window, you can use the command "more" to be able to view them line by line. Where -i is used to ignore case distinctions. I am not using bash anymore, but if I remember this right, there is a small problem with using more terminals: Each terminal makes a copy of the history-file when it's opened, appends it's commands to it's local copy of the file, and when it's closed again, it … It is a very powerful but slower search tool. The general syntax would be: For instance to search files that start with the word “cent”, run the following command in Terminal:eval(ez_write_tag([[580,400],'vitux_com-box-4','ezslot_4',112,'0','0'])); You can also search for empty files using the Find command. In this drawing of the Avengers, who's the guy on the right? If you want to switch users so that you can log in as another user and use all the system (browser, applications etc) graphically, you’ll have to log out and then log back in. Log File Viewer is the default utility of Ubuntu that lets you view logs in the graphical interface. H ow do I view detailed boot log of my Ubuntu system? That is, if a file is followed, the last few lines are shown in the terminal, and if any changes to the file occurs, that is shown in the terminal instantly. Does Kasardevi, India, have an enormous geomagnetic field because of the Van Allen Belt? Both windows have a status line giving info as described above. This article shows you how to find files using the Terminal that is the command line application in Ubuntu OS. To do that, you could quickly issue the command less /var/log/syslog. To view log files using an easy-to-use, graphical application, open the Log File Viewer application from your Dash. 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