• Should I run antivirus software on our Linux DNS servers?

    We were recently audited and now we need to install new antivirus software for our DNS servers that are running Linux. The actually servers weren't compromised but it was a recommendation. Should we go through with this? If so, what antivirus should we use?

    ITKE376,290 pointsBadges:
  • Running server on Linux using port 80

    I'm running Ubuntu Linux and I keep trying to get my server to run on port 80 but it's giving me this error message: java.net.BindException: Permission denied:80 What should I do here? Can I disable this?

    ITKE376,290 pointsBadges:
  • File system block size vs disk block size

    Take that my file system block size is 4k, and my disk block size (physical sector size) is 4k. What happens if my increase file system block size to 64k? Is file system block size actually I/O block size, or is it something else? And what is kernel block size? How does it all impact my reading and...

    Krcevina5 pointsBadges:
  • How to connect a Windows PC to OpenVPN server on a Linux machine

    Hi, I installed OpenVPN on a Linux machine within my home LAN. Everything went fine including generating the *.crt and *.key files. I tried to connect my PC (on same LAN) to the openvpn using "OpenVPN client", but the latter doesn't allow using the *.crt and *.key files I generated, so it failed....

    zariapps55 pointsBadges:
  • Linux: Disable SSH login with passwords

    We're using Linux and I need to disable the SSH login with passwords for some of our users. However, I can't disable the login using certificate. How can I go about this?

    ITKE376,290 pointsBadges:
  • How to setup a virtual lab

    I have a Kali Linux laptop and I wish to set up a lab for pen testing. I'm going to install Windows XP on a VM (probably Virtualbox) but I also wish to test on generic access points. Is there a way to create a virtual victim access point in VB or do I have to invest in an exterior hardware access...

    Larpchops5 pointsBadges:
  • Using Ubuntu Linux VPS as a VPN server

    Hi there, can anyone tell me where can I find a comprehensive guide or step-by-step instructions on how to setup a VPN server on a VPS running ubuntu linux? The goal is to be able to connect my laptop (using Windows VPN client) to my VPS and surf securely. I would appreciate any help. Thanks

    zariapps55 pointsBadges:
  • DNS: Table :select() failed: no such row in the table

    Hello, When I click DNS settings in the Domain area from plesk panel and get message.. Table::select() failed: no such row in the table How to fix it? Thanks in advance for the help.

    KelvinS50 pointsBadges:
  • Character# causes truncation of file name in SSH 6.6

    Why does the # character truncate the file name in a get in SSH 6.6, it does not in SSH 4.7

    kashplant10 pointsBadges:
  • How can I setup an Ubuntu server for sending emails in PHP

    Can someone help me with setting up an Ubuntu server? I have to send emails in PHP using the mail() function. I already have Apache, PHP and MySQL in my server. I appreciate the help.

    ITKE376,290 pointsBadges:
  • Linux: Copy directories with SCP

    In Linux, would I be able to copy my directories recursively using SCP? I need to copy multiple TAR files.

    ITKE376,290 pointsBadges:
  • Linux: Close 49200 socket out of TIME_WAIT state

    One of my programs on Linux keeps crashing on me. When I try to open it quick after it closes, I see it is listening on socket 49201 instead of 49200 (that's what it was in the first time). When I looked at Netstat, it shows that 49200 is a TIME_WAIT state. Can I force the socket out of this state?...

    ITKE376,290 pointsBadges:
  • Connect to SSH session that was disconnected

    Can I connect to a SSH session that was already disconnected? I'm having an issues with our network connection to a remote site. And to top it off, our department has been experiencing a number of disconnections because of lost packets while connected to our servers at the remote location. We have...

    ITKE376,290 pointsBadges:
  • How to move running Linux process to screen

    For my job, I have to sometimes connect to a Linux box using VNC. For the most part, I start the remote job on my console but it runs longer than I need it to be. Now, I don't want this running overnight just to my VNC session is open. Is there a way I can move the running remote job into my screen...

    ITKE376,290 pointsBadges:
  • Get size of Linux folders and subfolders

    I'm trying to get the size of my folders in a Linux file system. I've been using 1s -la but it's the giving me the summarized size. Is there a another command that would achieve this? Du only gives me the size of the sub folder. Can I get both?

    ITKE376,290 pointsBadges:
  • Tunnel network traffic through SSH

    When I'm using the Internet from public Wi-Fi, I always use a SSH tunnel so my traffic won't be sniffed. But I have too many applications that don't provide a way to specify a proxy. Can I use a tunnel for all network traffic from my computer?

    ITKE376,290 pointsBadges:
  • How do I test if a port is open on a remote system?

    A while back, I used telnet to check if a port on my remote post was open. But at my new job, the systems don't have telnet installed / all outbound connections to host are blocked. Does anyone know of a way to see if a port is open on a remote system? I'm using Linux. Thank you.

    ITKE376,290 pointsBadges:
  • Determine version of Linux I’m running

    How can I determine what version (most looking for distribution / kernel version) of Linux I'm currently running? Thank you

    ITKE376,290 pointsBadges:
  • Does Linux know if my passwords are similar?

    On my Linux machine, I'm trying to change the user password but when I tried to keep it similar to the old one, Linux said that they were too close. But how would Linux know that? Isn't the password saved as a hash?

    ITKE376,290 pointsBadges:
  • What is Linux backward compatible?

    Can you please tell me about Linux backward compatible? Does it create a security loophole?

    Ransonbrown20 pointsBadges:

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