作者归档：杨龙

bzip2

压缩文件
bzip2 -z filename

Got fatal error 1236 from master when reading data from binary log: ‘Binary log is not open’

Master没有开启log_bin
https://dev.mysql.com/doc/refman/5.6/en/replication-howto-masterbaseconfig.html

[mysqld]
log-bin=mysql-bin
server-id=1
innodb_flush_log_at_trx_commit=1
sync_binlog=1

resize2fs: Bad magic number in super-block while trying to open /dev/mapper/vg1-lvMysql

resize2fs 对xfs无效问题

resize2fs 1.42.9 (28-Dec-2013)
resize2fs: Bad magic number in super-block while trying to open /dev/mapper/vg1-lvMysql
Couldn’t find valid filesystem superblock.

xfs_growfs /dev/centos/root
df -h

ref：https://www.cnblogs.com/pinganzi/p/6478255.html

[root@web5 ~]# xfs_growfs /mnt/mysql
meta-data=/dev/mapper/vg1-lvMysql isize=512    agcount=4, agsize=7864320 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0 spinodes=0
data     =                       bsize=4096   blocks=31457280, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal               bsize=4096   blocks=15360, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
data blocks changed from 31457280 to 44564480

Nginx常规配置

server_tokens off;

client_max_body_size 1024M;

nginx和php版本号隐藏

Nginx版本隐藏

Syntax:	`server_tokens on \| off \| build \| string;`
Default:	server_tokens on;
Context:	`http`, `server`, `location`

PHP版本隐藏

; Decides whether PHP may expose the fact that it is installed on the server
; (e.g. by adding its signature to the Web server header). It is no security
; threat in any way, but it makes it possible to determine whether you use PHP
; on your server or not.
; http://php.net/expose-php
expose_php = Off