By Richard Blum, Christine Bresnahan
The Linux command line lets you sort particular Linux instructions on to the approach so you might simply manage records and question procedure assets, thereby allowing you to automate wide-spread services or even agenda these courses to run immediately. This new version is choked with new and revised content material, reflecting the various adjustments to new Linux models, together with insurance of different shells to the default bash shell. For this variation, the writer has teamed up with one other Linux professional ? with their shared services, they take you past the fundamentals of shell scripting and consultant you thru utilizing shell scripting for higher-level functions which are typically present in Linux environments. moreover, this variation includes a host of real-world examples, so that you can see how the scripts paintings in application.
* displays alterations to new Linux types and covers exchange shells to the default bash shell
* deals new chapters on operating with dossier approach instructions and software program install commands
* encompasses a plethora of real-world examples of complex shell scripting
* indicates the right way to use shell scripts in a graphical laptop setting
With Linux Command Line and Shell Scripting Bible you'll discover ways to deal with dossier platforms, set up software program, write scripts for graphical computers, paintings with substitute shells, and extra.
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Extra info for Linux Command Line and Shell Scripting Bible (2nd Edition)
If you do not get the prompt, go to step 4. 3. 4, “Using the bootlist Command” on page 19 to change your bootlist. Continue with step 7. 4. 1, “Accessing a System that Will Not Boot” on page 26 to access your rootvg and continue with step 5. 5. Determine the boot disk by using the command: lslv -m hd5 6. 4, “Using the bootlist Command” on page 19. 7. Shutdown and restart your system. LED 551, 555, and 557 - Errors Including Corrupted File System and Corrupted JFS Log 1. 1, “Accessing a System that Will Not Boot” on page 26, to access the rootvg before mounting any file systems (Option 2 on the Maintenance screen).
3. Determine the boot disk by using the command: lslv -m hd5 4. Re-create boot image using: bosboot -a -d /dev/hdiskn 5. Check for CHECKSTOP errors in the error log. If such errors are found, it is probably failing hardware. 6. Shutdown and restart the system. 3 System Administration LED 223-229 - Invalid Boot List 1. Set the key mode switch to service (F5 for systems without a keylock) and power up the machine. 2. If display continues normally, change the key mode switch to Normal and continue with step 3.
In order to view a log using the alog command, determine what predefined logs are available to you. Use the alog -L command to view the logs defined in the alog database. 3 System Administration ----------------------------------------------------------------------invoking top level program -- "/etc/methods/load_blockset_ext" return code = 0 ****************** no stdout *********** ****************** no stderr *********** ----------------------------------------------------------------------invoking top level program -- "/usr/lib/methods/defaio" return code = 0 ****************** no stdout *********** ****************** no stderr *********** ----------------------------------------------------------------------calling savebase return code = 0 ****************** no stdout *********** ****************** no stderr *********** Starting AIX Windows Desktop.....
Linux Command Line and Shell Scripting Bible (2nd Edition) by Richard Blum, Christine Bresnahan