debian reset root password

Posted on June 16, 2016 by coder

Solution 1 Boot into grub, # DO NOT NOT not press enter. # Press e to go into edit mode. Scroll down to the kernel line, go to the end "linux /boot/vmlinuz-3.0……." add the this line init=/bin/bash Press Ctrl X to boot # Remount / as Read/Write mount -rw -o remount / # Change the root account password with passwd # Change any other account password with passwd username Solution 2 # Boot from another installation of Debian. # Such as LiveCD to access "/" root partition. # Mount the partition where you have Debian's "/" (root directory), # Access directory to /mnt/etc # nano /mnt/etc/shadow. # it should looks like , root::$6$fsdsdgdsg74.:14862:0:99999:7::: # Reboot and login as root without a password. # passwd root # exit

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Solution 1 Boot into grub, # DO NOT NOT not press enter. # Press e to go into edit mode.   Scroll down to the kernel line, go to the end "linux /boot/vmlinuz-3.0……." add the this line   init=/bin/bash   Press Ctrl X to boot # Remount / as Read/Write mount -rw -o remount / # Change the root account password with passwd # Change any other account password with passwd username Solution 2 # Boot from another installation of Debian. # Such as LiveCD   to access  "/" root partition. # Mount the partition where you have Debian's "/" (root directory), # Access directory to /mnt/etc # nano /mnt/etc/shadow. # it should looks like ,   root::$6$fsdsdgdsg74.:14862:0:99999:7::: # Reboot and login as root  without a password. # passwd root # exit

 

mac os x eject disk from commandline

Posted on June 13, 2016 by coder

To eject a disc or media from the command line on Mac # drutil tray open # drutil eject

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To eject a disc or media from the command line on Mac # drutil tray open   # drutil eject

 

Mac os mount commands

Posted on June 11, 2016June 11, 2016 by coder

# Check the disks, diskutil list # Umount the automounted volume diskutil umount /dev/disk5s2 # Make a new directory mkdir /Volumes/5 # Mount your drive /sbin/mount_ntfs -o rw /dev/disk5s2 /Volumes/5 # Kutay Zorlu # other command, mount -t ntfs /dev/disk6s1 /Volumes/usb6/ mount -t ntfs-3g /dev/disk6s1 /Volumes/usb6_kutay/ #

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# Check the  disks,   diskutil list   # Umount the automounted volume diskutil umount /dev/disk5s2   # Make a new directory mkdir /Volumes/5   # Mount your drive /sbin/mount_ntfs -o rw /dev/disk5s2 /Volumes/5 # Kutay Zorlu   # other command, mount -t ntfs /dev/disk6s1 /Volumes/usb6/ mount -t ntfs-3g /dev/disk6s1 /Volumes/usb6_kutay/   #

 

get the total size of given file types in directory

Posted on June 8, 2016June 8, 2016 by coder

find . -type f -name '*.jpg' -exec du -ch {} +

1	find . -type f -name '*.jpg' -exec du -ch {} +

 

At the end you will see the total size,

delete route commandline linux terminal

Posted on May 17, 2016May 17, 2016 by coder

route del -net 10.1.0.0 netmask 255.255.255.0 metric 2 route del -net 0.0.0.0 gw 192.162.2.2 netmask 2.2.2.2 dev eth9 route del -net 0.0.0.0 netmask 2.2.2.2 gw 192.162.2.2  dev eth9 route del -net 10.1.0.0 netmask 255.255.255.0

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route del -net 10.1.0.0 netmask 255.255.255.0 metric 2   route del -net 0.0.0.0 gw 192.162.2.2 netmask 2.2.2.2 dev eth9   route del -net 0.0.0.0 netmask 2.2.2.2 gw 192.162.2.2  dev eth9   route del -net 10.1.0.0 netmask 255.255.255.0

 

Add getFileName() method to javax.servlet.http.Part

Posted on May 16, 2016May 16, 2016 by coder

public static String getFileName(Part filePart) { String header = filePart.getHeader("content-disposition"); for(String headerPart : header.split(";")) { if(headerPart.trim().startsWith("filename")) { return headerPart.substring(headerPart.indexOf('=') + 1).trim() .replace("\"", ""); } } return null; }

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public static String getFileName(Part filePart) {     String header = filePart.getHeader("content-disposition");     for(String headerPart : header.split(";"))     {         if(headerPart.trim().startsWith("filename"))         {             return headerPart.substring(headerPart.indexOf('=') + 1).trim()                              .replace("\"", "");         }     }     return null; }

 

mysql get biggest id value from mysql

Posted on May 16, 2016 by coder

SELECT id FROM my_table ORDER BY id DESC LIMIT 1 SELECT MAX(id) FROM my_table

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SELECT id FROM my_table ORDER BY id DESC LIMIT 1   SELECT MAX(id) FROM my_table