CP followed by RSYNC to copy what was missed my prefered way to copy is to just use rsync or cp. I noticed cp dies less often (less broken pipes) and whenRead More…
Linux – netconsole module – send dmesg/console/logs to remote system
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…
WINDOWS – Cant format FAT32 on bigger than 32 Gig Flash Drive?
FAT32 maximum partition size is 32GB so you must use a different allocation size to format FAT32 on bigger drives. If you have a 64Gig drive for example you can still formatRead More…
Blocked State Cant Reboot
############################# # 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…
SSHD does not start. Error: “could not load host key: /etc/ssh/ssh_host_[rd]sa_key”
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…
Data space conversion using exponents
There are 2 types of data size units. The base 2 sizes and the base 10 sizes. Most systems use base 2 sizes. Base 10 sizes are only really shown on driveRead More…
Winbindd exceeding 200 client connections
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
Testing Samba / SMB / CIFS Connections with Linux
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…
Bash – One Time Temporary Functions – great for copy pasteable commands
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…
SSH client – console & escape commands – start tunneling/forward within a running session
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…