netconsole is like syslog where it sends messages to a remote a system for analysis. syslog sends logs (/var/log/messages & syslog & journalctl). Where as netconsole sends the dmesg output, its literallyRead More…

############################# # Blocked State Cant Reboot # ############################# Working with systems that are in blocked state (D state in “ps” output) – means they are waiting for IO from slow media (drivesRead More…

Trying to start an ssh server. When you encounter this error: # /usr/sbin/sshd Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_dsa_key Here is the solution: ssh-keygen -A IfRead More…

The default is 200 The fix is to put this in your samba configs: winbind max clients = 3000 The fix is also explained here: https://access.redhat.com/solutions/53557 The end

smbclient is the command that we want to use for testing ## smbclient comes with the smbclient package which smbclient # /usr/bin/smbclient dpkg -S /usr/bin/smbclient # smbclient: /usr/bin/smbclient First get the shareRead More…

By example I will show you Bash One Time Temporary Functions (I’m not sure if they existed before me, if not, I just invented them) or simply Temp Functions. Take that circleRead More…

If you forgot to put in your string of -L and -R and -D port forwards with ssh: ie: ssh -L 54321:localhost:443 root@mysshserver.com . Dont worry, you can launch them while your inRead More…

This can be achieved with pid files. Example: http://candrews.integralblue.com/2009/02/one-instance-at-a-time-with-pid-file-in-bash/ Another clever way is to look thru the processes list (if your allowed to look thru all user – if not then either wayRead More…