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29 November 2024

28 November 2024

  • 09:4509:45, 28 November 2024 diff hist +484‎ N Compress directory into tarball on Linux machine ‎ Created page with "This is the command, and more importantly the options for compressing a directory or folder into a tarball on linux. <pre> tar -czvf filename.tar.gz /path/to/directory </pre> Ensure that you create the tarball with touch first. Also to unzip use the command and options. <pre> tar -xvf /path/to/tarball </pre> -x : extract -v : give more info -f : filename you can also use the -C to specify output directory <pre> tar -xvf /path/to/tarball.tar/.gz -C /path/to/directo..." current

27 November 2024

  • 09:3409:34, 27 November 2024 diff hist +387‎ N Mount local debian iso as cdrom repositry ‎ Created page with "Command to mount the .iso as a cdrom <pre> sudo mount -o loop /path/to/.iso /media/cdrom </pre> Must add the repository using the apt-cdrom add command, should look similar to the below in sources.list <pre> deb [trusted=yes] cdrom:[Debian GNU/Linux 12.5.0 _Bookworm_ = Official amd64 STICK16GB Binary-1 with frimaware 20240210=11:28]/ bookworm contrib main non-free-firmwasre </pre>" current

25 November 2024

23 November 2024

22 November 2024

21 November 2024

  • 09:5909:59, 21 November 2024 diff hist +306‎ N How to show namespaces of different running processes on Linux machine ‎ Created page with "This command shows the associated namespaces with deifferent processes running on the machine. <pre> sudo lsns </pre> Run man lsns for more information Also, to show detailed infromation of network interface namespaces run the command <pre> sudo ip netns </pre> Run man ip netns for more information." current
  • 08:2308:23, 21 November 2024 diff hist +461‎ N Use systemd to mount CIFS drive ‎ Created page with "This two examples of unit files that enable a systemd service to mount a cifs drive. <pre> [Unit] Description=cifs mount script Requires=network-online.target After=network-online.service [Mount] What=//10.68.64.19/Reports/NMS Where=/mnt/nas Options=domain=ewr,username=nms,password=Atkins123! Type=cifs [Install] WantedBy=multi-user.target </pre> <pre> [Unit] Description=Automount NAS [Automount] Where=/mnt/nas [Install] 23WantedBy=multi-user.target </pre>"

18 November 2024

8 November 2024

  • 09:5409:54, 8 November 2024 diff hist +702‎ N Mount samba file share on linux machine ‎ Created page with "Use the following commands to mount a samba file share onto a local linux machine sudo mount -t cifs //samba.acrodus.uk/sharing /media/alex/smb -o username=alex Notes- cifs stands for common internet file system and is a protocol that is a subset of smb (server message block). -o option allows to specify parameters for the authentication, this can be a seperate file if required, example below username=target_user_name password=target_user_password domain=domain The..."

28 October 2024

  • 21:3121:31, 28 October 2024 diff hist +722‎ N Debian online package repositry ‎ Created page with "Add these to /etc/apt/sources.list to be able to download packages from online repositry. deb http://deb.debian.org/debian/ bookworm main non-free-firmware deb-src http://deb.debian.org/debian/ bookworm main non-free-firmware deb http://security.debian.org/debian-security bookworm-security main non-free-firmware deb-src http://security.debian.org/debian-security bookworm-security main non-free-firmware # bookworm-updates, to get updates before a point release is made..."
  • 20:5420:54, 28 October 2024 diff hist +736‎ N Wg-quick actual commands ‎ Created page with "This is a reference to what commands are part of the wg-quick command. This is useful when manually setting up a wireguard vpn. Consideration should be given to the ip rule commands, which effectively determine what routing table packets that are encrypted or not use. $ sudo wg-quick up wg0 [#] ip link add wg0 type wireguard [#] wg setconf wg0 /dev/fd/63 [#] ip -4 address add 10.90.90.2/24 dev wg0 [#] ip link set mtu 1420 up dev wg0 [#] wg set wg0 fwmark 1234 [#] ip -4..." current
  • 15:0915:09, 28 October 2024 diff hist +215‎ N Linux Machine create ssh key pair for ssh authentication ‎ Created page with "This is very simple, use the one line command ssh-keygen -t rsa Just ensure you check where it is going to store the file. Follow the guide on copying the public key to an ssh server to set up ssh authentication." current

26 October 2024

  • 14:4914:49, 26 October 2024 diff hist +399‎ N Set up VLAN interface on Linux Machine ‎ Created page with "This guide gives you commands to quickly set up a vlan tagged interface one a linux machine. $ sudo ip link add link enp0s3 name enp0s3.100 type vlan id 100 $ sudo ip addr add 192.168.0.200/24 dev enp0s3.100 $ sudo ip link set up enp0s3.100 Ensure that the link is up, in doing so the operating system will add the route into the routing table. This however can be confirmed with the ip r command." current

18 October 2024

  • 18:0418:04, 18 October 2024 diff hist +742‎ N Set up Linux machine as dhcp server ‎ Created page with "This is a quick note on how to setup a linux machine to be a dhcp server. This is likely to be on the same machine configured as the router but does not have to be. The package to install in dhcp-isc-server. Configuration can be found in /etc/dhcp/dhcpd.conf Example below configured on home network however default examples are commented out in the conf file. subnet 192.168.40.0 netmask 255.255.255.0 { option routers 192.168.40.1; option subnet-mask 255.255.255.0;..." current
  • 07:3207:32, 18 October 2024 diff hist +161‎ N Terminal based web browser ‎ Created page with "A few options for terminal based web browser. Links2, Lynx, w3m, browsh. Links2 was the preferred for no desktop environment terminal. sudo apt install links2" current
  • 07:0607:06, 18 October 2024 diff hist +922‎ N Configure Linux Machine with wireless config ‎ Created page with "How to add persistent configuration in /etc/network/interfaces to connect to wireless access point. Just edit /etc/network/interfaces and write: auto wlan0 iface wlan0 inet dhcp wpa-ssid {ssid} wpa-psk {password} A good tool to have installed is the iw command. Run the command 'iw dev' to show the wireless adapter information. ##### To have a non persistent configuration use the following commands. //This creates a configuration fi..." current
  • 06:4906:49, 18 October 2024 diff hist +229‎ N Show contents of file in Cisco IOS command line ‎ Created page with "This is the equivalent to using the cat command in a Linux shell. Use the command 'more' with the path to the file. For example 'more flash:config.text' with print the contents of config.text stored on the local on board flash." current

13 October 2024

  • 17:3817:38, 13 October 2024 diff hist +422‎ N Change udp socket buffer size on Linux Machine ‎ Created page with "This changes the default socket buffer size within the kernel. Use the below commands to view the current settings. $ sysctl net.core.rmem_default net.core.rmem_default = 212992 $ sysctl net.core.rmem_max net.core.rmem_max = 212992 Use the below commands to edit the settings. $ sudo sysctl -w net.core.rmem_default=10000 net.core.rmem_default = 10000 sudo sysctl -w net.core.rmem_max=800000 net.core.rmem_max = 800000" current

7 October 2024

  • 20:5020:50, 7 October 2024 diff hist +251‎ N OID of Linux SNMp agent extend ‎ Created page with "A note on how linux and snmpd creates its OID. It always starts with 1.3.6.1.4.1.8072.1.3.2.3.1.1.4 and then the remaining numbers are the ascii representation of the extend name. The second field entered when configuring the extend in the snmpd.conf" current

6 October 2024

  • 21:3421:34, 6 October 2024 diff hist +724‎ N Create systemd service on Linux machine ‎ Created page with "This is a note on how to create a systemd service based on a c program. This was created after implementing the genisys echo detection program as a systemd service. The first thing is to make a Unit file. An example is shown below. [Unit] Description=Detect genisys echo. After=network.target [Install] WantedBy=multi-user.target [Service] Type=simple ExecStart=/home/alex/Programs/echo_detection/echo_detection WorkingDirectory=/ Restart=always RestartSec=5 StandardOut=sy..." current
  • 20:2520:25, 6 October 2024 diff hist +1,293‎ N Extend snmp agent functionality on Linux machine ‎ Created page with "This guide is to help extend the functionality of an snmp agent on a Linux machine. This allows for custom OID's to be queried from an snmp master to the agent. This also be subject to a program or script running and returning the value. Ensure that snmpd is installed. sudo apt-get install snmpd. First thing is to make some changes to the SNMP agent. In /etc/snmp/snmpd.conf ensure that the line "rocommunity public default -V systemonly" has the -V systemonly removed. T..." current

1 October 2024

  • 20:3420:34, 1 October 2024 diff hist +46‎ Copy .iso file to usb to boot ‎No edit summary current
  • 20:3320:33, 1 October 2024 diff hist −1‎ Copy .iso file to usb to boot ‎No edit summary
  • 20:1420:14, 1 October 2024 diff hist +158‎ N Copy .iso file to usb to boot ‎ Created page with "This can easily be done with a one line command in the linux terminal as seen below: : dd bs=4M if=/path/to/file.iso of=/dev/sdbx status=progress oflag=sync"
  • 19:4919:49, 1 October 2024 diff hist +331‎ N File too large for filesystem ‎ Created page with "This note was created after an issue occurred trying to transfer a 5GB iso to a usb stick. The usb stick had a single 8GB partition with an fat32 filesystem. This error occurred because the maximum filesize of a file on a fat32 filesize is 4GB. It should also be noted that ext filesystems are not compatible with windows machines." current
  • 16:4716:47, 1 October 2024 diff hist +345‎ N Create filesystem on partition using mkfs on Linux machine ‎ Created page with "This guide has presumed there is already a partition/s created on the disk. This will cover configuring a filesystem on a partition using the mkfs command. To create the filesystem use the command: : sudo mkfs.vfat /dev/sdb1 (using a fat32 fs on disk sdb first partition) Use the mount command to mount the filesystem if not already done so." current
  • 16:4216:42, 1 October 2024 diff hist +1,145‎ N Create partition using parted utility on Linux machine ‎ Created page with "Parted is a tool/utility used by linux machines to manipulate partitions on a block device. To list currently attached disk volumes use the command: : sudo parted -l To select the disk to partition use the command: : sudo parted sdx (x being the disk you want to format, stay away from the disk that has the bootloader and rootfilesystem on) You will now be in the parted shell. Create a partition table with the command: : (parted) mklabel gpt/msdos Make sure it..." current

30 September 2024

23 September 2024

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