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Errors such as the following occur while running the Appian installer on Linux, even when the operating user has the appropriate permissions:
./setupLinux64_appian-18.4.33.0.bin couldn't load file "/tmp/tclhZusdx": /tmp/tclhZusdx: failed to map segment from shared object: Operation not permitted while executing "load /installkitvfs/lib/itcl/libitcl3.4.so Itcl" ("package ifneeded" script) invoked from within "package require Itcl" (in namespace eval "::" script line 3963) invoked from within "namespace eval $namespace $::InstallJammer::files($file)" (procedure "::InstallJammer::SourceCachedFile" line 3) invoked from within "::InstallJammer::SourceCachedFile common.tcl" (file "/installkitvfs/main.tcl" line 23011)
These errors are a result of the "noexec" flag existing on the /tmp and /usr/tmp directories.
/tmp
/usr/tmp
Temporarily remove this flag by executing the following command:
mount -o remount,exec /tmp
Set it back by executing the following command:
mount -o remount,noexec /tmp
This article applies to all versions of Appian running on the Linux operating system.