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Please use the following category to raise ideas for these offerings for all environments (traditional on-premises, containers, cloud):
Cloud Pak for Multicloud Management
Cloud Pak for Network Automation - incl Orchestration and Performance Management
Cloud Pak for Watson AIOps - incl Netcool Operations Management portfolio
Edge Application Manager
IBM Observability with Instana
ITM-APM Products - incl IBM Tivoli Monitoring v6 and Application Performance Monitoring v8
Workload Automation - incl Workload Scheduler
Tivoli System Automation - inc Tivoli System Automation Application Manager (SA AM), Tivoli System Automation for Multiplatforms (SA MP)
Workload Scheduler support for linux parameter "vsyscall=none isses"
see ticket IBM support request TS005150482: IBM Workload Scheduler 9.5 Fixpack 3 - with linux parameter "vsyscall=none isses" every TWS command freezes ------------------------------------------ environment: TWS Client Version 5 Fickpack 03 operatingSystem: Linux:3.10.0-1160.11.1.el7.x86_64 64bit:x86_64 osVendor: RHEL:7.9:5.el7_9 processor: SOCKETS:1 CORES:1 THREADS:1 CLOCK:2599MHz ARCHITECTURE:x86_64 memory: MEM:1863004 SWAP:2097148 ------------------------------------------ issues: We want to make a company security certification (TISAX). For this reason we need to change our linux parameters: "vsyscall=none isses". The workload scheduler should support this parameter.
After setting the linux security feature "vsyscall=none isses"
we are not able to execute any TWS command (for example conman, composer, rmstdlst).
after we call the the command nothing happens, for example
tws@ultws03: > conman
# nothing happens:
# - no prompt
# - no output
Virtual Syscalls provide an opportunity of attack for a user who has control of the return instruction pointer.
To disable use of virtual syscalls, add the argument vsyscall=none to the default GRUB 2 command line for the Linux operating system in /etc/default/grub, in the manner below:
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