04 2018 档案
摘要:MySQL 获得当前日期时间 函数 获得当前日期+时间(date + time)函数:now() mysql> select now(); + + | now() | + + | 2008-08-08 22:20:46 | + + 获得当前日期+时间(date + time)函数:sysdate()
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摘要:1 $size = 1024*1024; 2 3 $shm_key = ftok(__FILE__, 't'); 4 5 $shm_id = shmop_open($shm_key, "c", 0644, $size); 6 7 $id = sem_get($shm_key); 8 9 $data = shmop_read($shm_id, 0, $size); 10 ...
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摘要:1 if (!function_exists('sem_get')) { 2 function sem_get($key) { 3 return fopen(__FILE__ . '.sem.' . $key, 'w+'); 4 } 5 function sem_acquire($sem_id) { 6 return flock...
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摘要:# # The default compiled in settings are fairly paranoid. This sample file # loosens things up a bit, to make the ftp daemon more usable. # Please see vsftpd.conf.5 for all compiled in defaults. # 这...
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摘要:1.用PUTTYGEN.exe生成密钥,生成的时候鼠标在进度条下面的空白处移动,为什么?就理解成随机得厉害点吧。 2.保存私钥,请看下面的图片说明 3.把公钥的内容想办法放到用户目录的.ssh/authorized_keys文件里面去,用vi ~/.ssh/authorized_keys打开,然后点
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摘要:~]# systemctl start mysql.service 要启动MySQL数据库是却是这样的提示 Failed to start mysqld.service: Unit not found 解决方法如下: 首先需要安装mariadb-server ~]# yum install -y m
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摘要:rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
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