Enable grub menu: edit the /etc/default/grub file and change the GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true to GRUB_HIDDEN_TIMEOUT=10 GRUB_HIDDEN_TIMEOUT_QUIET=false Save and call: sudo update-grub from a terminal, and reboot.
On Debian based systems like Ubuntu: # dpkg –list | grep linux-image To list / display current kernel Type the following command: # uname -r # uname -mrs
With rpm based OSes # rpm -qa kernel This will list the available kernels. To list / display current kernel Type the following command: # uname -r # uname -mrs
If an instance gets stuck in an intermediate state (e.g., “deleting”), you can manually reset the state of an instance using the nova reset-state command. This will reset it to an error state, which you can then delete. For example: $ nova reset-state c6bbbf26-b40a-47e7-8d5c-eb17bf65c485 $ nova delete c6bbbf26-b40a-47e7-8d5c-eb17bf65c485 You can also use the –active to force the instance back…
The log files are located here : /var/logs/nova Logfiles are : nova-api.log nova-cert.log nova-compute.log nova-dhcpbridge.log nova-manage.log nova-network.log nova-objectstore.log nova-scheduler.log nova-volume.log nova-xvpvncproxy.log
The magic spell is : $sudo apt-get update; sudo apt-get upgrade
kickstart postinstall, you can read how to do this on the internet. wget http://foo/tools.tar.gz tar xzvf *.tar.gz cd directory-where-you-untarred vmware-tools-install.pl -d BINGO ! Giggidi Giggidi
While this is a Linux forum this came in REALLY handy so what the heck 🙂 Frustratingly hidden away, windows command for putting the machine into Hibernate and / or standby are hidden away in the api under the powrprof.dll library. Shutdown %windir%\System32\shutdown.exe -s Reboot %windir%\System32\shutdown.exe -r Logoff %windir%\System32\shutdown.exe -l Standby %windir%\System32\rundll32.exe powrprof.dll,SetSuspendState Standby Hibernate %windir%\System32\shutdown.exe -h OR…
Debian based systems use the file /etc/hostname to read the hostname of the computer at boot time and set it up using the init script /etc/init.d/hostname.sh One can edit the file /etc/hostname and change the hostname and then run: /etc/init.d/hostname.sh start Update /etc/hosts ip 127.0.0.1 respectively ( leave the localhost entry untouched) Steps: sudo vi…
Installing SNMP daemon and tools: As root yum -y install net-snmp.i686 yum -y install net-snmp-utils Once these are installed start the snmp daemon: /etc/init.d/snmpd start chkconfig snmpd on This is just the basic install but testing it : snmpwalk -v 1 -c public -O e 127.0.0.1 For production servers it is advisable to at least…
