diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
index 6e06a70ec..b5ef8f841 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_flat
@@ -32,8 +32,8 @@ cmd:a=0;while true; do [ $a -eq 100 ] && exit 1;output=$(makedhcp -q $$CN);[ $?
 check:rc==0
 cmd:copycds $$ISO 
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist ]] ;then mv -f /tmp/test.synclist /tmp/test.synclist.bak;fi;
-cmd:echo "/tmp/test.synclist -> /tmp/test.synclist" > /tmp/test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=/tmp/test.synclist
+cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
+cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=/test.synclist
 check:rc==0
 cmd:if ! ([[ "__GETNODEATTR($$CN,os)__" = "sles12.1" ]] || [[ "__GETNODEATTR($$CN,os)__" =~ "ubuntu" && "__GETNODEATTR($$CN,arch)__" = "x86_64" ]]) ; then  chdef -t node -o $$CN postscripts=setupntp; fi
 check:rc==0
@@ -68,8 +68,8 @@ cmd:ping $$CN -c 3
 check:rc==0
 check:output=~64 bytes from $$CN
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
-cmd:xdsh $$CN "cat /tmp/test.synclist"
+cmd:xdsh $$CN "cat /test.synclist"
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist.bak ]] ;then mv -f /tmp/test.synclist.bak /tmp/test.synclist;else rm -rf /tmp/test.synclist;fi
+cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /tmp/test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=
 end
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
index 86bb3d642..6094adbbc 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskfull_installation_hierarchy
@@ -33,8 +33,8 @@ cmd:a=0;while true; do [ $a -eq 100 ] && exit 1;output=$(makedhcp -q $$CN);[ $?
 check:rc==0
 cmd:copycds $$ISO
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist ]] ;then mv -f /tmp/test.synclist /tmp/test.synclist.bak;fi;
-cmd:echo "/tmp/test.synclist -> /tmp/test.synclist" > /tmp/test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=/tmp/test.synclist
+cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
+cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=/test.synclist
 check:rc==0
 cmd:updatenode $$CN -f
 check:rc==0
@@ -63,8 +63,8 @@ check:output=~\d\d:\d\d:\d\d
 cmd:xdsh $$CN mount
 check:rc==0
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
-cmd:xdsh $$CN "cat /tmp/test.synclist"
+cmd:xdsh $$CN "cat /test.synclist"
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist.bak ]] ;then mv -f /tmp/test.synclist.bak /tmp/test.synclist;else rm -rf /tmp/test.synclist;fi
+cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-install-compute synclists=
 end
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
index 2be3ffabb..a6e90df47 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_flat
@@ -25,8 +25,8 @@ check:rc==0
 
 cmd:rootimgdir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir ]; then mv $rootimgdir $rootimgdir.regbak -f;fi
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist ]] ;then mv -f /tmp/test.synclist /tmp/test.synclist.bak;fi;
-cmd:echo "/tmp/test.synclist -> /tmp/test.synclist" > /tmp/test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=/tmp/test.synclist
+cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
+cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=/test.synclist
 check:rc==0
 cmd:if [ ! -d /tmp/mountoutput ]; then mkdir -p /tmp/mountoutput; fi
 cmd:mount |sort > /tmp/mountoutput/file.org
@@ -69,9 +69,9 @@ check:output=~64 bytes from $$CN
 cmd:rootimgdir=`lsdef -t osimage  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir.regbak ]; then rm -rf $rootimgdir; mv $rootimgdir.regbak $rootimgdir; fi
 check:rc==0
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
-cmd:xdsh $$CN  "cat /tmp/test.synclist"
+cmd:xdsh $$CN  "cat /test.synclist"
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist.bak ]] ;then mv -f /tmp/test.synclist.bak /tmp/test.synclist;else rm -rf /tmp/test.synclist;fi
+cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=
 check:rc==0
 end
diff --git a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
index db86b5019..4b18f9dd0 100644
--- a/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
+++ b/xCAT-test/autotest/testcase/installation/reg_linux_diskless_installation_hierarchy
@@ -34,8 +34,8 @@ check:rc==0
 
 cmd:rootimgdir=`lsdef -t osimage __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir ]; then mv $rootimgdir $rootimgdir.regbak;fi
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist ]] ;then mv -f /tmp/test.synclist /tmp/test.synclist.bak;fi;
-cmd:echo "/tmp/test.synclist -> /tmp/test.synclist" > /tmp/test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=/tmp/test.synclist
+cmd:if [[ -f /test.synclist ]] ;then mv -f /test.synclist /test.synclist.bak;fi;
+cmd:echo "/test.synclist -> /test.synclist" > /test.synclist;chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=/test.synclist
 check:rc==0
 cmd:updatenode $$CN -f
 check:rc==0
@@ -68,9 +68,9 @@ check:output=~on / type tmpfs
 cmd:xdsh $$CN  "cat /var/log/xcat/xcat.log"
 cmd:rootimgdir=`lsdef -t osimage  __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute|grep rootimgdir|awk -F'=' '{print $2}'`; if [ -d $rootimgdir.regbak ]; then rm -rf $rootimgdir; mv $rootimgdir.regbak $rootimgdir; fi
 check:rc==0
-cmd:xdsh $$CN  "cat /tmp/test.synclist"
+cmd:xdsh $$CN  "cat /test.synclist"
 check:rc==0
-cmd:if [[ -f /tmp/test.synclist.bak ]] ;then mv -f /tmp/test.synclist.bak /tmp/test.synclist;else rm -rf /tmp/test.synclist;fi
+cmd:if [[ -f /test.synclist.bak ]] ;then mv -f /test.synclist.bak /test.synclist;else rm -rf /test.synclist;fi
 cmd:chdef -t osimage -o __GETNODEATTR($$CN,os)__-__GETNODEATTR($$CN,arch)__-netboot-compute synclists=
 check:rc==0
 end