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Install and deploy Cisco WAE 7.1.1

Introduction

I installed the WAE 6.4.5 at formal and summaried to Blog, e.g: INSTALL CISCO WAE 6.4.5. After 7.0, install/config have big change and similar with NSO that easy/module to deploy. For this article, only talk about how to install and enable.

Auto source profile

Similar with NSO, add “source” command to “.bash_profile” that in MacOS. That will let you direct to login to WAE but not do “source wae711/waerc”, as follow:

[root@frank ~]# echo "source /opt/wae711/waerc" >> .bash_profile
[root@frank ~]# more .bash_profile | grep wae
source /opt/wae711/waerc

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在MacOS中部署Python虚拟开发环境

部署虚拟开发环境

虽然自己不是软件工程师,但有时候为了测试会写一些小程序,所以常常需要在自己电脑上设置开发环境。由于MacOS原生支持Python,所以我们可以不用那么麻烦的设置开发环境。但为了系统的稳定性,还是不要随便增加或变更自带的python,所以开发环境直接用虚拟环境就可以了,大概构架如下:


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CISCO WAE: wae-db dead but pid file exists

Introduction

If you found similar alarms, you can follow the guide and try to workaround the issue.

Problem

My customer found WAE REST API not workable, after checked, found wae-db have issue and report alarm, as follow.
And try to restart the WAE service and reload VM, not any useful.

[root@wae-auto wae-db]# service --status-all | grep wae
JAVA_EXECUTABLE or HSQLDB_JAR_PATH in '/etc/sysconfig/hsqldb' is set to a non-file.
wae-appenginecore is running OK, with PID=18606
wae-core is running OK, with PID=18163
wae-db dead but pid file exists  <<<<<<
wae-designapiserver is running OK, with PID=18847
wae-messaging is running OK, with PID=17874
wae-ni is running OK, with PID=17525
wae-osc is running OK, with PID=18369
wae-svcs-dashui is running OK, with PID=16652
wae-svcs-db is running OK, with PID=16277
wae-svcs-localrepo is not running
wae-svcs-log is running OK, with PID=16497
wae-svcs-logagent is running OK, with PID=16570
wae-svcs-metricsbkr is running OK, with PID=16716
wae-svcs-metricsd is running OK, with PID=16806
wae-svcs-mon is running OK, with PID=16138
wae-svcs-ui is running OK, with PID=16917
wae-system-server is running OK, with PID=16186
wae-web-server is running OK, with PID=17761

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How to resize LVM on Centos7/Ubuntu14.04 ?

After install Centos7, found disk size less, so I need resize the disk, you can use some tools to achieve the function, e.g: GParted or disk-genius. But if your Server disk format is LVM, you can easy to manual adjust that. I don’t know how to resize LVM by Gparted or disk-genius. For this article, will discuss how to adjust Centos7/Ubuntu14.04 by LVM. That should same action/command in Centos and Ubuntu.

If you want to check steps in Ubuntu, can check this attachment: lvm-resize-ubuntu14.04

1. Follow disk info

Check system contents by “sudo df -H”, check all disk status by “sudo fdisk -l”.

[root@frank ~]# df -H
Filesystem             Size  Used Avail Use% Mounted on
/dev/mapper/myvg-root  7.4G  7.4G  4.0M 100% /
devtmpfs               2.1G     0  2.1G   0% /dev
tmpfs                  2.1G  250k  2.1G   1% /dev/shm
tmpfs                  2.1G  9.5M  2.1G   1% /run
tmpfs                  2.1G     0  2.1G   0% /sys/fs/cgroup
/dev/mapper/myvg-home  731M  140M  591M  20% /home
/dev/sda1              521M  126M  396M  25% /boot
/dev/sr0               4.2G  4.2G     0 100% /run/media/root/CentOS 7 x86_64

2. Relationship for VG, PV and LV

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Blog顺利完成搬家之Bandwagonhost VPS

搬家之前的一些感受

在Hostgator上顺利用了6年了,我是3年一续费,每次续费都贵一大截,这是欺负老客户么?!太蛋疼了,而且动态ip,什么功能都没有,真是心灰意冷:
痛定思痛,弃用Hostgator!经同事推荐,Bandwagonhost 速度不错,便宜,稳定,而且还是VPS,自由度很大,最好的是每年续费不涨钱:-) 所以我买了他们比较便宜的那款,年费在29美金/year(CN2),比 Hostgator便宜,速度还快!
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