hldev@localhost:~$ ./hldmserver debug
[ INFO ] Debug hldmserver: Check IP: 212.xxx.xxx.124

Half Life: Deathmatch Debug
=================================

Distro: Debian GNU/Linux 9.8 (stretch)
Arch:   x86_64
Kernel: 5.0.1-x86_64-linode122
Hostname:       localhost
tmux:   tmux 2.3
Avg Load:       0.20, 0.09, 0.08
Free Memory:    191M
Free Disk:      5.2G
GLIBC required: 2.3.4
Server IP:      212.xxx.xxx.124:27016
Server password:        xxxxxxxxx

Start parameters:
./hlds_run -strictportbind +ip 212.xxx.xxx.124 -port 27016 +clientport 27006 +map crossfire +servercfgfile hldmserver.cfg -maxplayers 12 -pingboost 2 -insecure -debug

Use for identifying server issues only!
Press CTRL+c to drop out of debug mode.
Warning! If hldmserver is already running it will be stopped.

Continue? [Y/n] Y
[ INFO ] Debug hldmserver: Stopping any running servers
[ INFO ] Stopping hldmserver: SourceRuns Jump/Climb Experimental is already stopped
[  OK  ] Debug hldmserver: Starting debug
Enabling debug mode
Auto-restarting the server on crash

Console initialized.
Using breakpad crash handler
Setting breakpad minidump AppID = 70
Forcing breakpad minidump interfaces to load
Looking up breakpad interfaces from steamclient
Calling BreakpadMiniDumpSystemInit
Protocol version 48
Exe version 1.1.2.2/Stdio (valve)
Exe build: 15:16:04 Jul 24 2019 (8308)
STEAM Auth Server
Server IP address 212.xxx.xxx.124:27016
LoadLibrary failed on /home/hldev/serverfiles/./valve/dlls/hl.so: ./libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /home/hldev/serverfiles/./valve/dlls/hl.so)
Host_Error: Couldn't get DLL API from /home/hldev/serverfiles/./valve/dlls/hl.so!
FATAL ERROR (shutting down): Host_Error: Couldn't get DLL API from /home/hldev/serverfiles/./valve/dlls/hl.so!

BFD: Warning: /home/hldev/serverfiles/core is truncated: expected core file size >= 88522752, found: 2994176.

warning: exec file is newer than core file.
Failed to read a valid object file image from memory.
debug.cmds:4: Error in sourced command file:
Cannot access memory at address 0xfffc1a00
email debug.log to linux@valvesoftware.com
Wed Jan 22 18:10:18 UTC 2020: Server restart in 30 seconds