Update README.md

Author: unxmaal

README.md

@@ -18,7 +18,19 @@ NOTE: While we are not yet out of beta, it is recommended to remove any previous
 
 (0) Add your user account to the irix `sys` group - this will allow you to use the sgug `sudo` out of the box with your user password - then you can follow the steps below without additional hoop jumping.
 
-(1) Optional - remove any previous sgug-rse installation:
+(1) Ensure your system can cope with long command line buffers (this value or higher):
+
+```
+# As root
+su -
+# Show existing value
+systune ncargs
+# Tweak if < 131072
+systune ncargs 131072
+```
+
+
+(2) Optional - remove any previous sgug-rse installation:
 
 ```
 # As your user
@@ -28,7 +40,7 @@ rm -rf ~/rpmbuild/RPMS/*
 rm -rf /usr/sgug/*
 ```
 
-(2) Download the artifacts for the latest version from the github releases tab (assuming they aren't too big).
+(3) Download the artifacts for the latest version from the github releases tab (assuming they aren't too big).
 
 You'll find three main archives - and there might be "update" archives too that need to be extracted:
 
@@ -40,7 +52,7 @@ sgug-rse-rpms-0.0.5beta.tar.gz
 sgug-rse-rpms-0.0.5betaupdateNUM.tar.gz
 ```
 
-(3) Extract the selfhoster archive under /usr as root (important, sgug-rse _installation_ files are root owned and managed):
+(4) Extract the selfhoster archive under /usr as root (important, sgug-rse _installation_ files are root owned and managed):
 
 ```
 su - (enter root password)
@@ -49,7 +61,7 @@ gunzip -dc /path/to/sgug-rse-selfhoster-0.0.5beta.tar.gz |tar xf -
 (log out of root)
 ```
 
-(4) You'll need to setup some new directories for your user:
+(5) You'll need to setup some new directories for your user:
 
 ```
 mkdir -p ~/rpmbuild/SPECS
@@ -58,7 +70,7 @@ mkdir -p ~/rpmbuild/SRPMS
 mkdir -p ~/rpmbuild/RPMS
 ```
 
-(5) As your user extract the SRPMs and RPMs in an appropriate place.
+(6) As your user extract the SRPMs and RPMs in an appropriate place.
 
 ```
 cd ~/rpmbuild
@@ -70,7 +82,7 @@ cd ~/rpmupdates
 gunzip -dc /path/to/sgug-rse-rpms-0.0.5betaupdateNUM.tar.gz | tar xf -
 ```
 
-(6) You'll need to clone this repo (sgug-rse) -
+(7) You'll need to clone this repo (sgug-rse) -
 
 ```
 cd ~
@@ -80,7 +92,7 @@ Adjust that path as appropriate for where you wish the repo to live.
 
 (Of course you can fork the repo and clone from your own copy!)
 
-(7) Now you can install all packages (you can pick and choose if that's your thing):
+(8) Now you can install all packages (you can pick and choose if that's your thing):
 
 ```
 cd ~/sgug-rse.git
@@ -100,7 +112,7 @@ cd ~/rpmupdates/RPMS
 sudo rpm -Uvh noarch/*.rpm mips/*.rpm
 ```
 
-(8) Now you can rebuild one of the out-of-the-box packages with:
+(9) Now you can rebuild one of the out-of-the-box packages with:
 
 ```
 cd ~/sgug-rse.git
@@ -111,7 +123,7 @@ cp -r ~/sgug-rse.git/packages/m4/* ~/rpmbuild/
 rpmbuild -ba m4.spec --nocheck
 ```
 
-(9) Installing RPMs must be done as root (add `--reinstall` to refresh an already installed package):
+(10) Installing RPMs must be done as root (add `--reinstall` to refresh an already installed package):
 
 ```
 cd ~user/sgug-rse.git