Solaris Troubleshooting : Sendmail Troubleshooting – 1
Here we are going to discuss about basic troubleshooting techniques to resolve the Sendmail issues in solaris..
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Solaris Tips : Check current active boot device, when used in volume manager (SDS / SVM / VxVM)
During regular maintenance It is often a requirement to us to determine which disk we actually boot from when the root volume is under volume manager control. Solaris on SPARC Sparc with SVM # prtconf -pv|grep bootpath: bootpath: ‘/sbus@3,0/SUNW,fas@3,8800000/sd@1,0:a’ Sparc with VxVM Root Volume...
Solaris 11 – How to Manage Solaris SMF Services
How to Disable a Service Instance Use the following procedure to disable a service. The service status change is recorded in the service configuration repository. Once the service is disabled, the disabled state will persist across reboots. The only way to get the service running again...
RHEL 6.3 – LDAP Series – Part 1 : Implementation of LDAP Authentication
What is LDAP LDAP ( Lightweight Directory Access Protocol) is client-server protocol which provides directory services to the client machines. Each LDAP server contain the data required to making up the LDAP database, commonly BDB ( Berkely DB), a high performance transactional database. LDAP manages it’s...
SELinux and Firewall Rules for DNS Server
For your clients to be able to query the DNS server, you need to open a single port on the firewall, but for both protocols. The DNS clients can use both TCP and UDP port 53.
Day in SA Life : Working Remotely for an hardware issue
Below is Sample production environment : 1. Server Infrastructure was located in Two different Data center ( DC ). One DC is for Production Servers and another one for Disaster Recovery( DR) servers 2. System Administrators and Application Developers are sitting in different countries and working remotely....
Storage : Expansion of solaris filesystem after expanding the corresponding LUN from storage.
Procedure to expand default partition table using native OS utilities: Note: Because the partition table will be removed and rewritten, the following procedure is appropriate ONLY when the file system on the disk has been created on slice 2 and spans the entire Symmetrix volume. The following...
Mastering GrUB – Part 3 – Grub Booting and Images
Booting GRUB from the network The following instructions don’t work for *-emu, i386-qemu,i386-coreboot, i386-multiboot,mips_loongson, mips-arc and mips_qemu_mips to generate a netbootable directory, run: grub2-mknetdir –net-directory=/srv/tftp –subdir=/boot/grub -d /usr/lib/grub/<platform> E.g. for i386-pc: grub2-mknetdir –net-directory=/srv/tftp –subdir=/boot/grub -d /usr/lib/grub/i386-pc Then follow instructions printed out by grub2-mknetdir on...
Solaris Admin Reference – Solaris Storage Multipathing – MPxIO ( aka STMS, SCSI_VHCI)
What is Oracle Solaris Storage Multipathing MPxIO? MPxIO Provides multipath access to storage luns by grouping together the physical paths and presenting a single logical path. Supports both symmetric and asymmetric storage Controls failover / failback of LUNs as appropriate due to path failures, either manually or...
Solaris Troubleshooting : Data Gathering Printer Related Issues
This article will help you to gather necessary information required to troubleshoot printer related issues in Solaris troubleshooting, but the resolution of actual issues is outside the scope of this post.
