Suppose, serverlist is the file-name which contain all the list of servers. Enter below nmap command from your jumphost:- nmap -iL serverlist -sP|grep up Jobin JosephView all posts by Jobin Joseph hazercloud.com
This command will create a 1000 MB file with name “jobnix-speedtest” . So, Make sure you have 1 GB free space before you run this command. Run the following command to test the write speed of the server disk. dd if=/dev/zero of=jobnix-speedtest bs=1M count=1000 conv=fdatasync Jobin JosephView all posts by Jobin Joseph hazercloud.com
How to Test the disk write speed on the server Read More »
tune2fs -l $(df -P / | tail -n1 | cut -d ‘ ‘ -f1 ) | grep ‘Filesystem created:’ Jobin JosephView all posts by Jobin Joseph hazercloud.com
Easy way to get system installation date in RHEL Read More »
history -d $((HISTCMD-1)) && Jobin JosephView all posts by Jobin Joseph hazercloud.com
Execute command without logging into history in RHEL Read More »
#!/bin/bash MPATH=0 for i in `ls /sys/class/scsi_host/host*/scan`; do echo “- – -” > $i; done sleep 5 multipath -ll echo -n “enter mpath:” read MPATH pvcreate /dev/mapper/${MPATH} vgcreate -s 32 $VG /dev/mapper/${MPATH} lvcreate -l 100%VG -n $LV $VG mkfs.ext4 /dev/mapper/${VG}-${LV} echo -n “Enter mount point directory full path:” read MOUNTPOINT if [ ! -d $MOUNTPOINT
We often need to add or modify a disk to a running server. In this article, we will see how you can Add new LUN or Disk, or Resize the LUN or Disk on a Linux without a reboot Scenario 1 – Add a new Disk or LUN You have added a new disk /
Add new LUN or Disk, or Resize the LUN or Disk on a Linux without a reboot Read More »
Here is how you can enable USB Mass Storage in CynogenMod 10. Please follow the below steps, Go to, **Settings >> Storage**, Then hit **Menu button**. Select **USB Computer Connection** From the menu. Enable **Masst Storage** on the menu. Click **Turn On USB mass storage** on the next screen. Jobin JosephView all posts by Jobin Joseph hazercloud.com
CyanogenMod 10 – USB mass storage Read More »
This is how to set a password for mysql root user. Run the following command to set a password `/usr/bin/mysqladmin -u root password ‘new-password’` Once the password is applied, Test it by accessing mysql as root from localhost. You will get something like this, “` root@JobNix:~# mysql ERROR 1045 (28000): Access denied for user ‘root’@’localhost’
[How to] set a password for mysql root user Read More »
Ever thought “How to own a Private DropBox” ? [](https://res.cloudinary.com/jobnix/image/upload/v1415999129/ftpbox_bldzxf.png) Well, If you have an ftp account on your web hosting, You can turn it to your private Dropbox with [FTPbox ](http://ftpbox.org/)application. FTPbox is an open-source application that allows you to synchronize your files to your own host, via FTP. This way, you can access
FTPbox – A Private DropBox Application Read More »
Some times you may need to move your git repository to another account, even between providers such as, github.com, butbucket.org, gitlab.com or even to your own git server. Pre-Requirements Write access to Both the repositories. Say my-old-repo and my-new-repo . Steps git clone –bare [email protected]:oldaccount/my-old-repo.git cd my-old-repo.git git push –mirror [email protected]:newaccount/my-new-repo.git cd .. rm -rf
Git – How to transfer or move repository between accounts Read More »
