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--- systemd-sysctl [2018/11/16 11:02]
rpjday
+++ systemd-sysctl [2018/11/16 11:03]
rpjday [50-coredump.conf]
@@ Line 47: / Line 47: @@
 <code>
 kernel.core_pattern=|/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h %e
+</code>
+==== 50-default.conf ====
+<code>
+# Use kernel.sysrq = 1 to allow all keys.
+# See https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html for a list
+# of values and keys.
+kernel.sysrq = 16
+# Append the PID to the core filename
+kernel.core_uses_pid = 1
+# Source route verification
+net.ipv4.conf.all.rp_filter = 1
+# Do not accept source routing
+net.ipv4.conf.all.accept_source_route = 0
+# Promote secondary addresses when the primary address is removed
+net.ipv4.conf.all.promote_secondaries = 1
+# Fair Queue CoDel packet scheduler to fight bufferbloat
+net.core.default_qdisc = fq_codel
+# Enable hard and soft link protection
+fs.protected_hardlinks = 1
+fs.protected_symlinks = 1
 </code>

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