EMail Posts / Linux Admin / Linux Booting / RHEL7
by Ramdev · Published October 5, 2015 · Last modified August 5, 2016
Introduction dracut – low-level tool for generating an initramfs image Create an initramfs for the kernel with the version . If is omitted, then the version of the actual running kernel is used. If is omitted or empty, then the default location /boot/initramfs-.img is used.
1. Introduction to Partitioning Parted is a program to manipulate disk partitions. It supports multiple partition table formats, including MS-DOS and GPT. It is useful for creating space for new operating systems, reorganising disk usage, and copying data to new hard disks.
‘tail’ prints the last part (10 lines by default) of each FILE; it reads from standard input if no files are given or when given a FILE of ‘-‘. Synopsis: tail [OPTION]… [FILE]… If more than one FILE is specified, ‘tail’ prints a one-line header consisting...
‘fold’ writes each FILE (‘-‘ means standard input), or standard input if none are given, to standard output, breaking long lines. Synopsis: fold [OPTION]… [FILE]… By default, ‘fold’ breaks lines wider than 80 columns. The output is split into as many lines as necessary. ‘fold’...
by Ramdev · Published September 30, 2015 · Last modified September 29, 2015
‘numfmt’ reads numbers in various representations and reformats them as requested. The most common usage is converting numbers to/from _human_representation (e.g. ‘4G’ ==> ‘4,000,000,000’). numfmt [OPTION]… [NUMBER] ‘numfmt’ converts each NUMBER on the command-line according to the specified options (see below). If no NUMBERs...
by Ramdev · Published September 30, 2015 · Last modified September 29, 2015
‘fmt’ fills and joins lines to produce output lines of (at most) a given number of characters (75 by default). Synopsis: fmt [OPTION]… [FILE]… ‘fmt’ reads from the specified FILE arguments (or standard input if none are given), and writes to standard output. ...
by Ramdev · Published September 30, 2015 · Last modified September 29, 2015
‘base64’ transforms data read from a file, or standard input, into (or from) base64 encoded form. The base64 encoded form uses printable ASCII characters to represent binary data. Synopses: base64 [OPTION]… [FILE] base64 –decode [OPTION]… [FILE] The base64 encoding expands data to roughly 133%...
fmt command:: Reformat paragraph text numfmt command:: Reformat numbers pr command:: Paginate or columnate files for printing fold command:: Wrap input lines to fit in specified width
Linux Admin / Linux Booting / Solaris Booting
by Ramdev · Published September 28, 2015 · Last modified October 10, 2015
1. Invoking grub2-install The program ‘grub2-install’ generates a GRUB core image using‘grub2-mkimage’ and installs it on your system. You must specify the device name on which you want to install GRUB, like this:
Information Centers / Site Reference / Sticky posts / VCS Configurations / VCS Fundamentals / VCS How To / VCS Maintenance / VCS Migrations / VCS Troubleshooting / VCS Upgrades / Veritas Cluster Services
by Ramdev · Published September 18, 2015 · Last modified September 19, 2019
VCS for Beginners Read – VCS for Beginners – Getting Started with VCS Read – VCS for Beginners– Cluster Membership & IO Fencing Read – VCS for Beginners – Understand Jeopardy Condition with real time scenerio Read – VCS for Beginners – Configuring Veritas Cluster...
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