Linuxϵͳdameon³ÌÐòµÄcore dumpÉèÖÃ
To enable dumps for every daemon:
ulimit -c unlimited >/dev/null 2>&1 (-c maximum size of core files)
ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0} >/dev/null 2>&1
Dump for system
:
DAEMON_COREFILE_LIMIT='unlimited'
The same for every daemon (in /etc/sysconfig/_daemon_): DAEMON_COREFILE_LIMIT='unlimited'
Dump for SUID programs:
echo 1 > /proc/sys/kernel/suid_dumpable
In /etc/sysctl.conf:
kernel.core_uses_pid = 1
kernel.suid_dumpable = 1
and sysctl -p
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iptables-save > ipt.v1.0
iptables-save > ipt.v1.1
iptables-restore < ipt.v1.0
cp /etc/sysconfig/iptables iptables.raw
service iptables save
ipαװµÄ½Å±¾Îļþiptables_masquerade
#!/bin/bash
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echo "1" > /proc/sys/net/ipv4/ip_forward
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#service iptables stop<enter> \\¹Ø±Õ·À»ðǽ
#chkconfig iptables off<enter> \\¹Ø±Õ¿ª»úÆô¶¯
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