Author: Salman

Linux Tips ( grep the text without hashes and blank lines )

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In our second post of linux tips i would like to share a very simple example in which i will use grep tool to remove all the hashes and blank lines from a file. In our example we will use file1.txt with the following content linux-11oz:/test # cat file.txt #The file with hashes ### #### […]

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Linux Tips ( chmod tip )

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Hey Guys this is going to be a new series of posts in which i will be sharing some cool linux tips.  You can watch the video of this post on http://www.youtube.com/linuxking So here is the first tip Chmod: I hope you guys are already familiar with chmod command if not checkout my Youtube “Linuxking” […]

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Recovery of the File System from Disaster

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Hey Guys, long time no see…Well i am back and this time the issue is File System. What Happened ? Well My Backup Server’s root partition ran out of space due to some issue, and since it was on LVM (Logical Volume Manager) i took some space from my /home partition (it was 400 GB […]

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Linux Partitioning of more than 2GB Disk

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So just wanted to share how to partition your hard drive from Linux command line if you have a drive greater than 2GB. In my case its 3TB and i want to create a single partition out of it. I used “gdisk” , its similar to “fdisk” but can create and understand large disk partitioning […]

Linux Practical Security Course

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Dear Members , I am happy to announce that Linux Practical Security by LZH Project is complete. We will launch it shortly. Please support us by buying and rating this course. For first 20 buyers there will be a discount of $5. Total cost is $25. You can also book your copy by sending me […]

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Openstack dashboard gives error “Error: Unable to retrieve information”

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So today i ran into one more issue with Openstack , the error showed up  when i logged in to the dashboard and clicked on Project–>Instances. What i saw terrified me because is saw “NOTHING” ! A day before i had the same issue and i thought it’s related to RAM so i restarted and […]

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Unable to Connect “The Squid Error “

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So today i had a strange problem when i was only able to access google.com and not other sites. I was able to browse gmail, but not mail ru. Everything was working fine but out of no where this error “Unable to Connect” appeared on my Browsers. It was kinda strange, since i made no […]

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Solving Call Drop Issue in Elastix / Asterisk

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If you change your Network and you find that the working Elastix / Asterisk box is now dropping calls every 15 to 25 secs.  One of the most probable reason is “NAT” . The solution which worked for me is changing the sip_custom.conf found in /etc/asterisk/ directory. Open it with your favorite editor such as […]

Solaris 11 Part III ( Package Management )

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Solaris 11 Part III (Package Management) available on YouTube Subscribe to our channel and share the video with your friends and family Thanks, Sal

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Have a Question ? Need Consultancy ? Contact US

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Hi Guys , you know that you can ask for free or get free consultancy form us. So, if you want to consult with us regarding Network Setups, Linux , Security and Web Development projects Feel free to ASK !. Here is how you can Ask ! YouTube: www.youtube.com/linuxking Facebook Page: www.facebook.com/linuxking77 Facebook Group: www.facebook.com/groups/LZHProject/ […]