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--- computing:linux:ssh [2012/03/07 16:23]
gcooper
+++ computing:linux:ssh [2018/01/15 11:57] (current)
gcooper
@@ Line 1: / Line 1: @@
 ====== SSH ======
-===== Set Up SSH Keys =====
+See also **[[computing:linux:ssh_keys|Set Up SSH Keys]]**
-See [[computing:linux:ssh_keys|Set Up SSH Keys]].
 ===== Troubleshooting =====
+Verbose:
 <file>
 ssh -v ...
+</file>
+Modify the MTU on your remote workstation PC to eliminate fragmentation (MTU mismatch):
+<file>
+ifconfig eth0 mtu 576
 </file>
@@ Line 28: / Line 34: @@
 <file>
-chmod 600 /home/gcooper/.ssh/config
+chmod 600 /home/username/.ssh/config
+</file>
+==== Unknown Terminal Type ====
+If you get an error message "unknown terminal type", you can try specifying a different terminal like this:
+<file>
+TERM=xterm-color ssh -l username remote.host.name
 </file>
@@ Line 41: / Line 55: @@
 service sshd restart
+</file>
+==== Additional for EL7 ====
+Install ''semanage'' if it is not installed and allow ssh on your port:
+<file>
+sudo yum install policycoreutils-python
+semanage port -a -t ssh_port_t -p tcp 2222
 </file>
@@ Line 72: / Line 96: @@
 or if SSH is listening on a non-standard port:
+<file>
 ssh -R 22222:localhost:22 root@middleman -p 2222
+</file>
 From your workstation, connect through the middle-man PC:
+<file>
 ssh -p 22222 root@middleman
+</file>
 ===== AutoSSH =====

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