- May 18 Thu 2017 16:59
-
關於 dovecot sieve 自動回信功能
- May 17 Wed 2017 15:08
-
用 nginx resolve proxy 將自己的 http/1.1 變成 http/2.0
將原本的服務的 port 例如 443 改成 4443
再由 nginx proxy 去瀏覽 4443 然而對外的是 nginx 443 port , nginx 用 http/2.0
再由 nginx proxy 去瀏覽 4443 然而對外的是 nginx 443 port , nginx 用 http/2.0
- May 11 Thu 2017 16:32
-
用 Mega 備份 iRedmail 資料
- May 11 Thu 2017 13:55
-
Goolge API OAuth
- May 10 Wed 2017 15:59
-
nslcd 連 AD

先用 YUM 裝套件
# rpm -qa |grep ldap
nss-pam-ldapd-0.8.13-8.el7.x86_64
openldap-clients-2.4.40-13.el7.x86_64
openldap-2.4.40-13.el7.x86_64
- May 08 Mon 2017 13:46
-
openldap proxy 連 AD 測試
- May 04 Thu 2017 11:07
-
openldap client 連 AD 測試
測試連 AD 搞不通 ....最後 ....這樣通了 .....
AD : 192.168.0.200
LDAP port : 389
user : tw\chio
password : P@ssw0rd
AD : 192.168.0.200
LDAP port : 389
user : tw\chio
password : P@ssw0rd
- Apr 26 Wed 2017 15:21
-
unsigned.apk 自簽成 signed.apk
- Apr 26 Wed 2017 13:36
-
Docker image 非常大用 AUFS
- Apr 25 Tue 2017 16:58
-
Docker image 大於10 G .....
# docker info
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 1.12.6
Storage Driver: devicemapper
Pool Name: docker-253:0-1442840884-pool
Pool Blocksize: 65.54 kB
Base Device Size: 10.74 GB
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 11.8 MB
Data Space Total: 107.4 GB
Data Space Available: 107.4 GB
Metadata Space Used: 581.6 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Thin Pool Minimum Free Space: 10.74 GB
Udev Sync Supported: true
Deferred Removal Enabled: false
Deferred Deletion Enabled: false
Deferred Deleted Device Count: 0
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.135-RHEL7 (2016-11-16)
Logging Driver: journald
Cgroup Driver: systemd
Plugins:
Volume: local
Network: null host bridge overlay
Swarm: inactive
Runtimes: docker-runc runc
Default Runtime: docker-runc
Security Options: seccomp
Kernel Version: 4.10.12-1.el7.elrepo.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
Number of Docker Hooks: 2
CPUs: 4
Total Memory: 3.859 GiB
Name: test
ID: LGE5:GXJG:DW5K:BZJP:USBV:NUXR:75ZI:DRNN:57TT:OCY4:J2BZ:2IB6
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Username: echochio
Registry: https://index.docker.io/v1/
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
Insecure Registries:
127.0.0.0/8
Registries: docker.io (secure)
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 1.12.6
Storage Driver: devicemapper
Pool Name: docker-253:0-1442840884-pool
Pool Blocksize: 65.54 kB
Base Device Size: 10.74 GB
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 11.8 MB
Data Space Total: 107.4 GB
Data Space Available: 107.4 GB
Metadata Space Used: 581.6 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Thin Pool Minimum Free Space: 10.74 GB
Udev Sync Supported: true
Deferred Removal Enabled: false
Deferred Deletion Enabled: false
Deferred Deleted Device Count: 0
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.135-RHEL7 (2016-11-16)
Logging Driver: journald
Cgroup Driver: systemd
Plugins:
Volume: local
Network: null host bridge overlay
Swarm: inactive
Runtimes: docker-runc runc
Default Runtime: docker-runc
Security Options: seccomp
Kernel Version: 4.10.12-1.el7.elrepo.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
Number of Docker Hooks: 2
CPUs: 4
Total Memory: 3.859 GiB
Name: test
ID: LGE5:GXJG:DW5K:BZJP:USBV:NUXR:75ZI:DRNN:57TT:OCY4:J2BZ:2IB6
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Username: echochio
Registry: https://index.docker.io/v1/
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
Insecure Registries:
127.0.0.0/8
Registries: docker.io (secure)
- Apr 25 Tue 2017 15:39
-
ESXI 的 CentOS7 Extend HDD
ESXI CentOS7 Extend HDD 紀錄一下 32G --> 320G
# fdisk -l
Disk /dev/sda: 34.4 GB, 34359738368 bytes, 67108864 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
............
# ls /sys/class/scsi_device/
1:0:0:0 2:0:0:0
# echo 1 > /sys/class/scsi_device/1\:0\:0\:0/device/rescan
# echo 1 > /sys/class/scsi_device/2\:0\:0\:0/device/rescan
# ls /sys/class/scsi_host/
host0 host1 host2
# echo "- - -" > /sys/class/scsi_host/host0/scan
# echo "- - -" > /sys/class/scsi_host/host1/scan
# echo "- - -" > /sys/class/scsi_host/host2/scan
# fdisk -l
Disk /dev/sda: 343.6 GB, 343597383680 bytes, 671088640 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
........
# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p): p
Partition number (3,4, default 3):
First sector (67108864-671088639, default 67108864):
Using default value 67108864
Last sector, +sectors or +size{K,M,G} (67108864-671088639, default 671088639):
Using default value 671088639
Partition 3 of type Linux and of size 288 GiB is set
Command (m for help): t
Partition number (1-3, default 3):
Hex code (type L to list all codes): 8e
Changed type of partition 'Linux' to 'Linux LVM'
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
# partprobe -s
/dev/sda: msdos partitions 1 2 3
]# pvcreate /dev/sda3
Physical volume "/dev/sda3" successfully created.
[root@test ~]# vgdisplay
--- Volume group ---
VG Name centos
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 31.51 GiB
PE Size 4.00 MiB
Total PE 8066
Alloc PE / Size 8055 / 31.46 GiB
Free PE / Size 11 / 44.00 MiB
VG UUID 1jjmr9-Q026-XcEp-5661-wTYl-Ollk-kXUSv8
[root@test ~]# vgextend centos /dev/sda3
Volume group "centos" successfully extended
]# lvdisplay
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID WEJ3jH-Q3cV-0dY5-b1wa-W06A-C270-hRuiKD
LV Write Access read/write
LV Creation host, time localhost, 2015-08-18 12:32:57 +0800
LV Status available
# open 2
LV Size 2.00 GiB
Current LE 512
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID VQ6mxx-SUC4-OO2c-6bN2-vuzD-Hvwi-06jpwr
LV Write Access read/write
LV Creation host, time localhost, 2015-08-18 12:32:57 +0800
LV Status available
# open 1
LV Size 29.46 GiB
Current LE 7543
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
]# lvextend /dev/centos/root /dev/sda3
Size of logical volume centos/root changed from 29.46 GiB (7543 extents) to 317.46 GiB (81270 extents).
Logical volume centos/root successfully resized.
xfs_info /dev/mapper/centos-root
meta-data=/dev/mapper/centos-root isize=256 agcount=4, agsize=1931008 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0 spinodes=0
data = bsize=4096 blocks=7724032, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3771, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[root@test ~]# xfs_growfs /dev/mapper/centos-root
meta-data=/dev/mapper/centos-root isize=256 agcount=4, agsize=1931008 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0 spinodes=0
data = bsize=4096 blocks=7724032, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3771, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 7724032 to 83220480
[root@test ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 318G 16G 302G 6% /
# fdisk -l
Disk /dev/sda: 34.4 GB, 34359738368 bytes, 67108864 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
............
# ls /sys/class/scsi_device/
1:0:0:0 2:0:0:0
# echo 1 > /sys/class/scsi_device/1\:0\:0\:0/device/rescan
# echo 1 > /sys/class/scsi_device/2\:0\:0\:0/device/rescan
# ls /sys/class/scsi_host/
host0 host1 host2
# echo "- - -" > /sys/class/scsi_host/host0/scan
# echo "- - -" > /sys/class/scsi_host/host1/scan
# echo "- - -" > /sys/class/scsi_host/host2/scan
# fdisk -l
Disk /dev/sda: 343.6 GB, 343597383680 bytes, 671088640 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
........
# fdisk /dev/sda
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p): p
Partition number (3,4, default 3):
First sector (67108864-671088639, default 67108864):
Using default value 67108864
Last sector, +sectors or +size{K,M,G} (67108864-671088639, default 671088639):
Using default value 671088639
Partition 3 of type Linux and of size 288 GiB is set
Command (m for help): t
Partition number (1-3, default 3):
Hex code (type L to list all codes): 8e
Changed type of partition 'Linux' to 'Linux LVM'
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
# partprobe -s
/dev/sda: msdos partitions 1 2 3
]# pvcreate /dev/sda3
Physical volume "/dev/sda3" successfully created.
[root@test ~]# vgdisplay
--- Volume group ---
VG Name centos
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 31.51 GiB
PE Size 4.00 MiB
Total PE 8066
Alloc PE / Size 8055 / 31.46 GiB
Free PE / Size 11 / 44.00 MiB
VG UUID 1jjmr9-Q026-XcEp-5661-wTYl-Ollk-kXUSv8
[root@test ~]# vgextend centos /dev/sda3
Volume group "centos" successfully extended
]# lvdisplay
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID WEJ3jH-Q3cV-0dY5-b1wa-W06A-C270-hRuiKD
LV Write Access read/write
LV Creation host, time localhost, 2015-08-18 12:32:57 +0800
LV Status available
# open 2
LV Size 2.00 GiB
Current LE 512
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID VQ6mxx-SUC4-OO2c-6bN2-vuzD-Hvwi-06jpwr
LV Write Access read/write
LV Creation host, time localhost, 2015-08-18 12:32:57 +0800
LV Status available
# open 1
LV Size 29.46 GiB
Current LE 7543
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
]# lvextend /dev/centos/root /dev/sda3
Size of logical volume centos/root changed from 29.46 GiB (7543 extents) to 317.46 GiB (81270 extents).
Logical volume centos/root successfully resized.
xfs_info /dev/mapper/centos-root
meta-data=/dev/mapper/centos-root isize=256 agcount=4, agsize=1931008 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0 spinodes=0
data = bsize=4096 blocks=7724032, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3771, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[root@test ~]# xfs_growfs /dev/mapper/centos-root
meta-data=/dev/mapper/centos-root isize=256 agcount=4, agsize=1931008 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0 finobt=0 spinodes=0
data = bsize=4096 blocks=7724032, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=3771, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 7724032 to 83220480
[root@test ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 318G 16G 302G 6% /


