Dec
31
2009
iLO is a management interface supporting SSH, available on HP Proliant servers. It provides interesting features such as remotely powering the server on and off.
But it is also possible to access the Linux console and reboot in single mode remotely. How handy is that!?
BIOS
While booting up, press F9 to go in the BIOS Setup
Go in [...]
Tags: console, Grub, HP, ilo, linux, serial
Dec
21
2008
To copy or synchronize data across servers with SSH encryption benefits, run on the target:
rsync -avz -e ssh remoteuser@remotehost:/remote/dir /local/dir/
Tags: copy, encrypt, encryption, remote, rsync, SSH, synchronize
Nov
20
2008
Very few environment variables are defined when connecting to a remote host with an SSH authorized key.
# ssh localhost env
SHELL=/bin/bash
SSH_CLIENT=127.0.0.1 53816 22
USER=dave
MAIL=/var/mail/dave
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
PWD=/home/dave
LANG=en_US.UTF-8
SHLVL=1
HOME=/home/dave
LOGNAME=dave
SSH_CONNECTION=127.0.0.1 53816 127.0.0.1 22
_=/usr/bin/env
To run a program calling libs from an unusual location, we’d need to redefine the LD_LIBRARY_PATH variable for instance.
This can be achieved in 2 steps:
- Add ‘PermitUserEnvironment yes’ to your sshd_config [...]
Tags: authorized, environment, key, SSH, variable