Os

Currently to access and manage xenserver cluster you need a xencenter installed in a windows system. This could be a limitation for the users of linux and mac Meanwhile you can access vmware exsi servers and also manage the clusters of vcenter via http To overcome this limitation you can use the XCP hypervisor XCP is open source hypervisor based on XenServer. Download the XCP-ng https://xcp-ng.org/#easy-to-install https://xcp-ng.org/docs/install.html#iso-installation Install the xcp-center for windows systems to access the XCP hypervisors https://github.com/xcp-ng/xenadmin/releases/ ...

Add alias in your .zshrc file alias history=“history 0” source ~/.zshrc

If you want to execute the same command across different server https://github.com/tmux/tmux/wiki

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] Disable Ipv6 in kernel module (requires reboot) Edit /etc/default/grub add ipv6.disable=1 in line GRUB_CMDLINE_LINUX, e.g cat /etc/default/grub GRUB_TIMEOUT=5 GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLINE_LINUX="ipv6.disable=1 crashkernel=auto rhgb quiet" GRUB_DISABLE_RECOVERY="true" Regenerate a GRUB configuration file and overwrite existing one grub2-mkconfig -o /boot/grub2/grub.cfg Restart system and verify no line “inet6” in “ip addr show” command output ...