Jerry-Fix

资产优化，资源大量富裕，100+
MHA 上线/DB backup/数据迁移（MySQL/RDS)，按业务拆分
CDN，调了一个月，没测试直接上线
MySQL 审计，没有测试直接上线/growingIO 规划混乱
webvirtmgt，测试环境上线，业务量太小，下线
办公网双线，动静态 BGP 切换，院方的一些问题
故障，明确是运维的故障已经全部优化修复

Jerry-Fix

Jun 20 22:53:09 jaseywang vps pptpd: ======= Backtrace: =========
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(__fortify_fail+0x37)[0x7fdba6416047]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(+0x10d200)[0x7fdba6414200]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(+0x10c709)[0x7fdba6413709]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(_IO_default_xsputn+0xbc)[0x7fdba637f60c]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(_IO_vfprintf+0xb0d)[0x7fdba634ec3d]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(__vsprintf_chk+0x88)[0x7fdba6413798]
Jun 20 22:53:09 jaseywang vps pptpd: /lib64/libc.so.6(__sprintf_chk+0x7d)[0x7fdba64136ed]
Jun 20 22:53:09 jaseywang vps pptpd: /usr/lib/../lib64/pppd/2.4.5/radius.so(rc_mksid+0x43)[0x7fdba4272763]
Jun 20 22:53:09 jaseywang vps pptpd: /usr/lib/../lib64/pppd/2.4.5/radius.so(+0x48f0)[0x7fdba426d8f0]

Jerry-Fix

# AUTO-GENERATED FILE - DO NOT EDIT!! Use ldapmodify.
# CRC32 e457e536
dn: cn={5}samba
objectClass: olcSchemaConfig
cn: {5}samba
olcAttributeTypes: {0}( 1.3.6.1.4.1.7165.2.1.24 NAME 'sambaLMPassword' DESC
 'LanManager Password' EQUALITY caseIgnoreIA5Match SYNTAX 1.3.6.1.4.1.1466.1
 15.121.1.26{32} SINGLE-VALUE )
olcAttributeTypes: {1}( 1.3.6.1.4.1.7165.2.1.25 NAME 'sambaNTPassword' DESC
 'MD4 hash of the unicode password' EQUALITY caseIgnoreIA5Match SYNTAX 1.3.6

Jerry-Fix

attributetype ( 1.3.6.1.4.1.9.500.1.1
  NAME 'CiscoBanner'
  DESC 'Banner Name for VPN users'
  EQUALITY caseIgnoreMatch
  SUBSTR caseIgnoreSubstringsMatch
  ORDERING caseIgnoreOrderingMatch
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{128}
  SINGLE-VALUE )

attributetype ( 1.3.6.1.4.1.9.500.1.2

Jerry-Fix

# AUTO-GENERATED FILE - DO NOT EDIT !! Use ldapmodify.
# CRC32 bc108cba
dn: cn={4}cisco
objectClass: olcSchemaConfig
cn: {4}cisco
olcAttributeTypes: {0}( 1.3.6.1.4.1.9.500.1.1 NAME 'CiscoBanner' DESC 'Banne
 rName for VPN users' EQUALITY caseIgnoreMatch ORDERING caseIgnoreOrderingMa
 tch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1
 28} SINGLE-VALUE )
olcAttributeTypes: {1}( 1.3.6.1.4.1.9.500.1.2 NAME 'CiscoACLin' DESC 'ACL in

Jerry-Fix

8.2.3. HTTP log format
----------------------

The HTTP format is the most complete and the best suited for HTTP proxies. It
is enabled by when "option httplog" is specified in the frontend. It provides
the same level of information as the TCP format with additional features which
are specific to the HTTP protocol. Just like the TCP format, the log is usually
emitted at the end of the session, unless "option logasap" is specified, which
generally only makes sense for download sites. A session which matches the
"monitor" rules will never logged. It is also possible not to log sessions for

Jerry-Fix

import serial
import time
import sys

port = serial.Serial("/dev/ttyUSB0", 9600)

while True:
  with open("data.txt", "a") as f:
    data = time.ctime() + "," +  port.readline()
    print data

Jerry-Fix

#include "apue.h"
#include <stdio.h>
#include <stdlib.h>

void pr_stdio(const char *name, FILE *fp);

int main(void){
  FILE *fp;
  char c;

Jerry-Fix

$ strace -t  ping baidu.com
21:25:06 execve("/bin/ping", ["ping", "baidu.com"], [/* 29 vars */]) = 0
21:25:06 brk(0)                         = 0x7fb70fcc2000
21:25:06 fcntl(0, F_GETFD)              = 0
21:25:06 fcntl(1, F_GETFD)              = 0
21:25:06 fcntl(2, F_GETFD)              = 0
21:25:06 access("/etc/suid-debug", F_OK) = -1 ENOENT (No such file or directory)
21:25:06 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb70f5ec000
21:25:06 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
21:25:06 open("/etc/ld.so.cache", O_RDONLY) = 3

Jerry-Fix

$ strace -t getent  hosts baidu.com
21:13:09 execve("/usr/bin/getent", ["getent", "hosts", "baidu.com"], [/* 29 vars */]) = 0
21:13:09 brk(0)                         = 0x1168000
21:13:09 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f779687f000
21:13:09 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
21:13:09 open("/etc/ld.so.cache", O_RDONLY) = 3
21:13:09 fstat(3, {st_mode=S_IFREG|0644, st_size=68446, ...}) = 0
21:13:09 mmap(NULL, 68446, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f779686e000
21:13:09 close(3)                       = 0
21:13:09 open("/lib64/libc.so.6", O_RDONLY) = 3