sge 통신 방식을 ssh 로 전환qconf -mconf ——————————————————————————————————————-.qlogin_command /engrid/ensge/bin/lx24-amd64/qlogin_wrapperqlogin_daemon /usr/sbin/sshd -irlogin_command /usr/bin/sshrlogin_daemon /usr/sbin/sshd -irsh_command /usr/bin/sshrsh_daemon /usr/sbin/sshd -i.——————————————————————————————————————-vi /engrid/ensge/bin/lx24-amd64/qlogin_wrapper ——————————————————————————————————————- ..

- 패스워드 공격 :iptables -A INPUT -p tcp —dport 22 -m state —state NEW -m recent —set —name SSHSCANiptables -A INPUT -p tcp —dport 22 -m state —state NEW -m recent —update —seconds 60 —hitcount 8 —rttl —name SSHSCAN -j LOG —log-prefix SSH_SCAN:iptables -A INPUT -p tcp —dport 22 -m state —state NEW -m recent —update —seconds 60 —hitcount 8 —rttl —name SSHSCAN -j DROP혹은 ../etc/rc.d/init.d/iptables save..

UNIX IP Stack Tuning Guide v2.7 UNIX IP Stack Tuning Guide v2.7 By Rob Thomas, robt at cymru.com, 03 DEC 2000 Introduction The purpose of this document is to strengthen the UNIX IP stack against a variety of attack types prevalent on the Internet today. This document details the settings recommended for UNIX servers designed to provide network intensive services such as HTTP or routing (firewall..

#include #include #include #include #include #include #include /* 검사 주기(초) */#define CHECK_SECOND 30 /* 실행 서버 패스 및 이름 */#define APP_PATH "/root/ztsvr/ztsvr"#define APP_NAME "ztsvr" int check_process();void get_timef(time_t, char *); int main(){ int rt; time_t the_time; char buffer[255]; char app[255]; sprintf(app, "nohup %s &", APP_PATH); printf("START\n"); fflush(stdout); while(1) { time(&the_t..

I launched my program in the foreground (a daemon program), and then I killed it withkill -9, but I get a zombie remaining and I m not able to kill it withkill -9. How to kill a zombie process?If the zombie is a dead process (already killed), how I remove it from the output ofps aux?root@OpenWrt:~# anyprogramd & root@OpenWrt:~# ps aux | grep anyprogram 1163 root 2552 S anyprogramd 1167 root 2552..

Valuable business connections – a review for SMEs Businesses of all sizes adopt technology to make them more productive, cost effective or flexible and help them compete. Over the years, the adoption of tools such as mobile phones, wireless laptops, the internet and email have all been driven by such expectations. Small and medium-sized businesses (SMBs) are often at the forefront as it can give..