MySQL Server Time Zone Support

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This article describes the time zone settings maintained by MySQL, how to load the system tables required for named time support, how to stay current with time zone changes, and how to enable leap-second support. Beginning with MySQL 8.0, time zone offsets are also supported for inserted datetime values; see “The DATE, DATETIME, and TIMESTAMP Types”, … Read more

Configure Static IP Address on Solaris11

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//Check current ip configuration status # dladm show-phys # ipadm show-if # ipadm show-addr //Check the interfaces name # dladm show-phys — output Example —LINK MEDIA STATE SPEED DUPLEX DEVICEnet0 Ethernet up 1000 full e1000g0 –> Attentiom to this linenet1 Ethernet unknown 0 unknown pcn0 =============================================================================================== # ipadm create-ip net0 //Check status # ipadm show-if … Read more

Generate Random Password in Linux and Solaris CLI (pwgen)

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According to pwgen man page, “the pwgen program generates passwords which are designed to be easily memorized by humans, while being as secure as possible.” It returns multiple password options that meet the criteria you provide so that you can select the one that you prefer. ### Install pwgen On RHEL/CentOS Linux, you can install … Read more

Installing Oracle Recommended OS Patchset(10_Recommended) for Solaris 10

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The Recommended OS Patchset Solaris 10 provides the minimum set of patches needed to address security and Sun Alert issues, and selected issues identified by Oracle Proactive Services and the Oracle Technical Support Center, for the Solaris 10 Operating System for sparc. The patches contained in this patchset are considered the most important and highly … Read more

Is it safe to set net.ifnames=0 in RHEL7, RHEL8 and RHEL9?

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Issue: Is it safe to disable Consistent Device Naming by setting net.ifnames=0 on the kernel command line in RHEL7, RHEL8 and RHEL9? Why can I no longer use the 70-persistent-net.rules file to force persistent ethX names like I could in earlier versions of Red Hat Enterprise Linux? Resolution: No. Red Hat strongly recommend that the … Read more

HP Smart Storage Admin CLI (ssacli) installation on Linux

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Why use HP Smart Storage Admin CLI? You can use ssacli (smart storage administrator command line interface) tool to manage any of supported HP Smart Array Controllers in your host without need to reboot your server to access Smart Storage Administrator in BIOS. That means no host downtime when managing your storage. CLI is not as convenient as GUI … Read more

Splunk Enterprise 9.x license activation for test cases on Linux

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Splunk Enterprise is a data platform designed to help businesses manage big data and analyze machine data. It can be deployed on-premises or in the cloud via the Splunk Cloud Platform and enables you to search, analyze and visualize your data to quickly act on insights from across your technology landscape. An Enterprise Splunk License … Read more

Install Splunk Enterprise 9.0 on RHEL/CentOS 8

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Splunk Enterprise is a data platform designed to help businesses manage big data and analyze machine data. It can be deployed on-premises or in the cloud via the Splunk Cloud Platform and enables you to search, analyze and visualize your data to quickly act on insights from across your technology landscape. Installing/Starting Splunk Enterprise 9.0.4 … Read more

vsftpd terminated after buffer overflow detected in Linux

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Issue : When run the “ftp open” command, vsftpd terminated after buffer overflow detected printed. [root@unixonline ~]# ftp localhost Connected to localhost.localdomain. *** buffer overflow detected ***: /usr/sbin/vsftpd terminated ======= Backtrace: ========= /lib64/libc.so.6(__chk_fail+0x2f)[0x2b43730d0c5f] KERBEROS_V4 rejected as an authentication type Or “lftp” command “ls” is returned “Delaying before reconnect”. [root@unixonline ~]# lftp test@192.168.10.10:~> ls `ls’ at … Read more