GNU Screen cheatsheet


Change to other region ctrl-a tab
Change to other screen ctrl-a 0-9
Detach ctrl-a d
Help ctrl-a ?
Kill screen ctrl-a \
Kill region ctrl-a x
New screen ctrl-a c
Reattach screen -r
Serial connection screen /dev/ttyUSB0 9600
Split ctrl-a s

Subversion Cheatsheet


Add to working copy svn add
Backup to hot copy /opt/svn /opt/svn-backup
Change log view svn log file:///opt/svn/scripts/firewall/firewall-new
Checkout svn checkout file:///opt/svn/profile
Commit changes svn commit --message "Your log message"
Copy to working copy svn copy
Create respository svnadmin create --fs-type fsfs /opt/svn
Delete from working copy svn delete
Diff changes svn diff
Initial Import svn import . file:///opt/svn --message "Initial import"
Merging to current directory svn merge
Move file in working copy svn move
Remote Checkout svn checkout svn+ssh://@/opt/svn/
Revert all changes svn revert
Review changes svn status
Review commit log svn log
Update working copy svn update (may overwrite changes)
View file svn cat file:///opt/svn/profile/.profile
View repository tree svnlook tree /opt/svn

Heartbeat 2 cheatsheet



List cluster resources. crm_resource -L
Dump cluster configuration as xml to stdout. cibadmin -Q
Place node in standby (maintenance mode). Technically this is adding the standby property. crm_standby -U -v true
Place local node in standby. crm_standby -v true
Place node online or remove the standby property. crm_standby -D -U
Place local node online or remove standby property. crm_standby -D
View cluster status. One time to stdout. crm_mon -1
View cluster status. Refresh every 3s. crm_mon -i3
One line simple output. crm_mon -s
Show inactive resources. crm_mon -r
Stop resource. crm_resource -r -p target_role -v stopped
Start resource. crm_resource -r -p target_role -v started
Clear failed resource. crm_resource -C -H -r
Query running cluster for current state (STDOUT). cibadmin -Q --obj_type resources