Post describes procedure to disable IPv6 on CentOS/RHEL 7. There are 2 ways to do this : 1. Disable IPv6 in kernel module (requires reboot) 2. Disable IPv6 using sysctl settings (no reboot required) To verify if IPv6 is enabled or not, execute : # ifconfig -a | grep inet6 inet6 fe80::211:aff:fe6a:9de4 prefixlen 64 scopeid 0x20 inet6 ::1 prefixlen 128 scopeid 0x10[host] 1. Disable IPv6 in kernel module (requires reboot) 1. Edit /etc/default/grub and add … [Read more...] about CentOS / RHEL 7 : How to disable IPv6
Archives for April 2016
Complete Hardware Reference : SPARC T5-2 / T5-4 / T5-8
The post includes front view, top view and rear view of SPARC T5-2, SPARC T5-4 and SPARC T5-8. … [Read more...] about Complete Hardware Reference : SPARC T5-2 / T5-4 / T5-8
Netbackup Script to get Policy Vs client list
Here is a small script to get the list of clients configured against a list of policies in netbackup. Command used here is bpplclients to get the client list. Put the list of policy in a file /tmp/policy_list. # cat /tmp/policy_list policy01 policy02 policy03 The script : for i in `cat /tmp/policy_list` do bpplclients $i -noheader | awk 'BEGIN {printf "'$i'"}{print "," $NF}' done > /tmp/output.csv Below is the Output file [ comma (,) separated … [Read more...] about Netbackup Script to get Policy Vs client list
Complete Hardware Reference : SPARC T4-1 / T4-2 / T4-4
The post includes front view, top view and rear view of SPARC T4-1, SPARC T4-2 and SPARC T4-4. … [Read more...] about Complete Hardware Reference : SPARC T4-1 / T4-2 / T4-4
Oracle VM Server for SPARC (Ldoms) : How to Change Primary/Control Domain’s UUID
In the event you have two systems configured with identical UUIDs for their primary/control domain, for example following a disk clone or system duplication, or if you wish to change the UUID for your own reasons, you can use the following procedure to do so. 1. Backup all of your current LDOMs configuration. How to save LDOM configuration and restore from xml file 2. Switch to the "factory-default" configuration : primary-domain # ldm set-config factory-default 3. Gracefully shut … [Read more...] about Oracle VM Server for SPARC (Ldoms) : How to Change Primary/Control Domain’s UUID
Complete Hardware Reference : SPARC T3-1 / T3-2 / T3-4
The post includes front view, top view and rear view of SPARC T3-1, SPARC T3-2 and SPARC T3-4. … [Read more...] about Complete Hardware Reference : SPARC T3-1 / T3-2 / T3-4
How to Disable IPv6 in solaris 8,9,10
The post describes what files to remove or edit to disable IP Version 6 on Solaris 8,9,10 on systems that only require IPv4 (IPv6 configuration is no longer needed). Procedure 1. Normally all that is needed to disable IPv6 on Solaris, is to check for and remove the /etc/hostname6."interface#" files. For example: # ls /etc/hostname6.* /etc/hostname6.eri0 # rm /etc/hostname6.eri0 2. Other optional files to check: If a 6to4 router was configured, remove file … [Read more...] about How to Disable IPv6 in solaris 8,9,10
Complete hardware reference : T1000 / T2000 / T5120 / T5140 / T5220 / T5240 / T5440
The post includes front view, top view and rear view of T1000 / T2000 / T5120 / T5140 / T5220 / T5240 / T5440. … [Read more...] about Complete hardware reference : T1000 / T2000 / T5120 / T5140 / T5220 / T5240 / T5440
Solaris : How to run savecore manually while booted in single user from CDROM
For various reasons it may be necessary to gather a crash dump while booted from alternate media, for example if the system is not booting properly from the normal boot disk. This document outlines the steps required to accomplish this. In general, the steps required are: Boot from the alternate media Mount the root filesystem Determine the dump device Save the crashdump from the dump device Unmount the root (and other) filesystems 1. Boot from the Alternate Media To boot … [Read more...] about Solaris : How to run savecore manually while booted in single user from CDROM