Unix OS Materials
In some scenarios, you might want to mimic a certain directory structure that already exists maybe for your personal projects or for a files storage system just because that directory structure makes perfect sense and might require a lot of time to completely recreate it from scratch. Following is the cool way of copying a … Read more
NOTICE: Only perform this task if your system had RAID volumes prior to replacing the motherboard. Problem & Error : boot command is failed and Can’t open boot device. {0} ok boot ERROR: boot-read fail Boot device: disk:d File and args: Can’t open boot device -> set /HOST/bootmode script=”setenv auto-boot? false” 3. Power on the … Read more
Use this procedure to remove NetBackup from UNIX and Linux servers and clients: NetBackup relational database (NBDB) location If you moved the NBDB files in /usr/openv/db/data from their default installation location, this procedure includes a step that describes how to remove these files. Clustered environments Before you begin to remove NetBackup, you must remove NetBackup from the … Read more
Problem:NetBackup introduces support for Oracle DB on the Unix/Linux platform, but the oracle_link script that is provided with the install fails to create the needed symbolic links between the Oracle installation directory and the NetBackup installation directory. Error Message:If the oracle_link script is executed, it will display a message similar to the following and backups … Read more
Veritas NetBackup is a backup and recovery software suite designed for enterprise users. NetBackup backs up and restores files, directories and raw partitions on a server. A server protected by NetBackup is known as a NetBackup client. NetBackup software installs on a server known as a media server. During backups, the client sends data across … Read more
For installing and configuring DellEMC PowerPath in Linux OS, please refer to How To Install and Configure DellEMC PowerPath on Linux. If your server has two HBA cards connected to DellEMC SAN storage device, you can implement load-balancing, and fail-over on the HBA cards using the DellEMC PowerPath software. DellEMC Powermt management utility helps you … Read more
Perl module features and behavior can change from version to version and so knowing the version number of an installed Perl module can be useful in several scenarios.Below is the command line methods for finding out the version number of an installed module in Linux/Oracle Solaris OS. perl -M<PerlModuleName> -e ‘print $ <PerlModuleName>::VERSION .”\n”;’ example: … Read more
instmodsh is a little interface to ExtUtils::Installed to examine installed perl modules, validate your packlists and even create a tarball from an installed module in Linux/solaris. To examine/list installed perl modules in Linux/Solaris OS, create a bash script and execute it. also you can find the instmodsh script in unixonline.ir GITHUB account. #!/usr/bin/perl ### Name … Read more
To shut a system down, one of two commands are typically used: shutdown or init. Both commands perform a clean shutdown of the system. Both start processes that write all file system changes to disk and terminate all system services, processes, and the OS. The following table describes the various shutdown commands used in Linux / Solaris OS and provides … Read more
A few weeks ago, it is announced (by The Energy and Natural Resources Ministry of Iran) that DST will be permanent and GMT+3:30(IRST) will be used forever in the country. From 2023, Iran will not set their clocks forward for Daylight Saving Time (DST) but remain on standard time permanently. Based on following manual, we … Read more