Blog for Unix Admin / Solaris Admin / Solaris Performance Monitoring
by Ramdev · Published October 23, 2021
First you’ll need to check how much Memory is used in Kernel and how much is used in User Memory. This is important to decide, what troubleshooting steps are required. A nice mdb dcmd ( this command can take several minutes to complete, and you have...
What Is Configuration Management? Configuration management is a broad term, that relates to products and software. In the information technology/ operations world, configuration management can imply OS configuration, application management and deployment, and product management. Configuration management can be defined as the process that maintains consistency...
Understanding VCS default Environmental Variables and their Default values will help us troubleshooting performance related issues.
wc command:: Print newline, word, and byte counts sum command:: Print checksum and block counts cksum command:: Print CRC checksum and byte counts md5sum command:: Print or check MD5 digests sha1sum and sha2 commands:: Print or check SHA-1 digests and SHA-2 digests
Unix Intermediate / Veritas Administration for unixadmin / VxVM - How to / VxVM Learning
by Ramdev · Published October 19, 2021
Below example will display all the existing DMP devices : # /etc/vx/bin/vxgetdmpnames enclosure vendor=SEAGATE product=ST336607LSUN36G serial=DISKS name=disk dmpnode serial=303432354139303747590000 name=disk_0 dmpnode serial=30343235413930424C300000 name=disk_1 dmpnode serial=30343238413933595A360000 name=disk_2 enclosure vendor=HITACHI product=DF600F serial=77011046 name=ams_wms0 dmpnode serial=0008 name=ams_wms0_8 dmpnode serial=0009...
Summary of typical IPMP Configurations: 1. Production and test interfaces in the same IP subnet 1.1 With defaultrouter 1.2 Without defaultrouter 1.3 With dedicated hosts acting as test targets with “host-routes” 1.4 Configuration example for 1.1, 1.2 and 1.3
All Posts in this Series Just enough GiT for Puppet Automation – Part1 Just enough GiT for Puppet Automation – Part2 Just enough GiT for Puppet Automation – Part3 Just enough GiT for Puppet Automation – Part4 Just enough GiT for Puppet Automation – Part5 Just...
Linux Admin / Linux Networking / Redhat Enterprise Linux 6 / Unix Intermediate
by Ramdev · Published October 16, 2021
In Red Hat Enterprise Linux 3 or later FTP service is provided by the vsftpd daemon. vsftpd stands for “Very Secure FTP Daemon” and is an FTP server for Unix-like systems. It supports IPv6 and SSL, as well as explicit and implicit FTPS. The vsftpd daemon...
Blog for Unix Admin / Solaris Admin / Solaris Disk Management
by Ramdev · Published October 15, 2021
It is assumed that both the disks are of the same capacity and similar in type. The following Instruction assumes a PATH variable that contains /usr/sbin and /usr/bin. For commands or files that normally exist outside of these common directories, full paths are specified. Source = DISK1...
NFS-filesystems that are mounted read-write or that contain executable files should always be mounted with the “hard” option. Normally an application is not aware of where the data (files) it is accessing is located – it only knows the pathname. The data could be located locally in an UFS...
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