Installing and configuring the certificate on the ESXi host
After the certificate is created, complete the installation and configuration of the certificate on the ESXi 6.0 host: Log in to vCenter …
CentOS7 NAT server
# echo “net.ipv4.ip_forward = 1” >> /etc/sysctl.d/ip_forward.conf # sysctl -w net.ipv4.ip_forward=1 #### em1 is internal. em2 is public. # firewall-cmd –permanent –add-rule …
linux 移除註解指令
# grep -o ‘^[^#]*’ FILENAME
install ssh public key for HP iLO
first, you need to generate a ssh2 public key. and put the public key to your web server. login to your HP …
Passing arguments to an expect script as variables
# cat test.sh #!/usr/bin/expect -f set username [lindex $argv 0] set password [lindex $argv 1] spawn ssh $username@HOST expect “password:” send “$password\r” …
Using expect script to power on IBM blades
#!/usr/bin/expect -f spawn ssh root@bcmm.liho.tw expect “password:” send “PASSWORD\r” expect “system>” send “power -on -T system:blade\[1\]\r” expect “system>” send “power -on -T …
Linux – 檔案分割
偶爾遇到大檔案需要切割. linux 提供不錯的 split 指令. 可以按照檔案大小切割 也可以按照行數切 下面範例，每 100MB 切割檔案： $ split -b 100M data.ORI data.new 下面範例，每 10 萬行切割檔案 $ split -l …
lustre – quota notes
setup 5TB quota for each user (softlimit) : # ls /home -l|awk ‘{print $9}’| xargs -i lfs setquota -u ‘{}’ -b 5368709120 …
[CentOS7] nginx rtmp 伺服器架設
前陣子在玩貴參參的 wirecast 測試版. 就想要自己架設串流伺服器. 後來意外發現 rtmp 架設蠻容易的 但還是記錄一下. 先下載 nginx 原始碼 自行編譯. 其實我蠻想要找 yum or rpm 安裝 可惜好像沒有辦法這樣就直接安裝好包含 rtmp 模組. 我是到 http://nginx.org/packages/mainline/centos/7/SRPMS/ …
firewall-cmd 筆記
不得不說 centos 7 讓我用得很痛苦 XD 原本是用 setup 就可以設定防火牆了. 現在預設是使用 firewall 當然可以用下列指令把它改回來 # systemctl disable firewalld # systemctl stop firewalld # yum install …