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Combined display of all available logs of Leo's Notes. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 21:51, 14 September 2022 Leo talk contribs created page Benchmark for OptiPlex 3040 (Created page with "Here are the results for a Dell OptiPlex 3040 in a small form factor (SFF) configuration. The machine was manufactured in 2017 which I recently bought off Ebay for around $80 CAD (without a hard drive). I slapped on a very slow SSHD hard drive here which will likely bring the final score down. The i3 6100 processor seems to still be on par with the older benchmark I did on the Dell OptiPlex 3010 years ago. {{Benchmark | hardware = Del...") Tag: Visual edit
• 07:24, 14 September 2022 Leo talk contribs created page Create a Windows 7 USB install key (Created page with "Windows 7 is now out of support and the USB creation utility by Microsoft no longer is available. To create a Windows 7 USB key, you will need to: # Create a single FAT32 partition on the USB key # Copy the contents of the Windows 7 installation DVD onto the new partition == Using diskpart == Run the following commands to create the single FAT32 partition with diskpart. An example output is given below. # Run <code>diskpart</code>. You will be asked to run as an admin...") Tag: Visual edit
• 21:11, 6 September 2022 Leo talk contribs created page Rebuilding the initial ramdisk (Created page with "The initial ramdisk, also known as initrd or initramfs, contains a small filesystem that is used as part of the first stage of the Linux boot process. This filesystem must contain all the necessary files and kernel modules that the kernel needs in order to continue on the boot process. When upgrading a kernel or changing a system's hardware, it may be necessary to rebuild the initrd file so that it contains the appropriate kernel modules. == Rebuilding the initial ramdi...") Tag: Visual edit
• 18:10, 10 August 2022 Leo talk contribs created page Word (Created page with "== Tasks == === Resize all images === There is no easy way to resize all images in a document because you cannot select multiple images in Microsoft Word. To manually resize all images, you would have to double click on each and every image and changing the height/width manually. Alternatively, you can use the following vbscript macro. # Select the portion of the document containing your images, or hit <code>Ctrl + a</code> to select the entire document # Hit <code>A...") Tag: Visual edit
• 21:58, 28 July 2022 Leo talk contribs created page Fio (Created page with "The flexible IO (fio) utility can be used to quickly benchmark the filesystem IO performance. == Quick start == Select one of the following commands to run. {| class="wikitable" !Description !Command |- |Sequential read test, 1MB block size, 1 thread, 1 queue |{{Highlight | code = # fio \ --ioengine=libaio \ --direct=1 \ --randrepeat=0 \ --refill_buffers \ --end_fsync=1 \ --filename=/home/lleung/.kdiskmark.tmp \ --name=sequential-read-8-queues-1-thread \...") Tag: Visual edit
• 23:46, 21 June 2022 Leo talk contribs created page Linksys E8450 (Created page with "The Linksys E8450 is a Wi-Fi 6 (802.11ax) router. As of 2022, it is supported by a snapshot release of OpenWRT. == Installing OpenWRT == If you are installing OpenWRT from the stock Linksys firmware, please refer to the instructions outlined at: https://github.com/dangowrt/owrt-ubi-installer The steps that I used to install OpenWRT are as follows: # Power on the device, navigate to http://192.168.1.1. # Decline the terms and conditions and quit the setup wizard # Logi...") Tag: Visual edit
• 20:09, 15 June 2022 Leo talk contribs created page Relocate /var (Initial content) Tag: Visual edit
• 05:22, 2 June 2022 Leo talk contribs created page WZR-600DHP (Imported section from OpenWRT) Tag: Visual edit
• 00:47, 3 May 2022 Leo talk contribs created page File:Guacamole Login.png
• 00:47, 3 May 2022 Leo talk contribs uploaded File:Guacamole Login.png
• 00:46, 3 May 2022 Leo talk contribs created page Guacamole (Created page with "Apache Guacamole is a web-accessible remote desktop gateway that supports RDP, VNC, and text-based connections via SSH and telnet. == Quick introduction == The Guacamole server contains two parts: The web application itself running on Tomcat, and the guacamole proxy service (guacd) that connects to the remote desktop endpoints. Under the hood, the RDP/VNC/SSH connection data from guacd is sent to the Guacamole server using the Guacamole protocol which is then relayed b...") Tag: Visual edit
• 23:30, 26 April 2022 Leo talk contribs created page OpenBSD (Initial content)
• 23:11, 29 March 2022 Leo talk contribs created page Entrust (Created page with "Entrust is a certificate authority. == Troubleshooting == The Entrust Root Certification Authority (G2) doesn't appear to be part of the system root CA. As a result, if you try to <code>wget</code> or <code>curl</code> to a resource using certificates signed by Entrust, you'll get an error like the one below. {{Highlight | code = # wget -O - https://somewhere.ucalgary.ca/ --2022-03-29 16:58:39-- https://somewhere.ucalgary.ca/ Resolving somewhere.ucalgary.ca (somewhere....") Tag: Visual edit
• 23:53, 20 March 2022 Leo talk contribs created page Copy files from a failing disk (Created page with "When trying to read a file that's stored over bad sectors, you'll encounter 'input/output' errors. In rsync, you'll get a 'failed verification' warning. Rsync will then continue on with the remaining files before attempting to copy the file again. {{Highlight | code = file.mkv 982.58M 100% 30.80MB/s 0:00:30 (xfr#4, to-chk=176/344) WARNING: file.mkv failed verification -- update discarded (will try again). file.mkv 982.58M 100% 31.08MB/s 0:00:3...") Tag: Visual edit
• 19:55, 16 March 2022 Leo talk contribs created page Benchmark for KVM under Dell PowerEdge C6520 (Created page with "Here are some virtual machine test results running under QEMU/KVM on a Dell PowerEdge C6520 with a Xeon Gold 5320 CPU and 256GB memory. This VM was set up as part of a CloudStack test environment. {{Benchmark | hardware = Dell PowerEdge C6520 | hypervisor = KVM | cpu = 4x Intel(R) Xeon(R) Gold 5320 CPU @ 2.20GHz | memory = 8GB | disk = Virtual, via NFS | os = Rocky Linux 8.5 | score = 1115.8 / 2927.4 | raw = ======================...") Tag: Visual edit
• 03:58, 14 March 2022 Leo talk contribs created page Drop caches (Created page with "In Linux since 2.6.16, you can drop caches to clear out kernel memory that's used by page caches and/or inode and dentry caches. To free pagecache: {{highlight|lang=terminal|code= # echo 1 > /proc/sys/vm/drop_caches }} To free dentries and inodes: {{highlight|lang=terminal|code= # echo 2 > /proc/sys/vm/drop_caches }} To free pagecache, dentries and inodes: {{highlight|lang=terminal|code= echo 3 > /proc/sys/vm/drop_caches }} On some systems especially with low memory,...")
• 21:46, 6 March 2022 Leo talk contribs created page FreeIPA (Initial content) Tag: Visual edit
• 22:18, 21 February 2022 Leo talk contribs moved page Golang to Go
• 05:50, 18 February 2022 Leo talk contribs created page Patchelf (Created page with "Patchelf is a utility to modify an existing ELF binary. It can be used to change, add, or remove dynamic libraries. == Example usage == If a library is missing a dependency, it would fail to run due to a missing symbol. What you can do is inject the missing dependency to the library so that when the code is executed, the dynamic loader is able to pull in the necessary library. For example: {{Highlight | code = # ldd /usr/lib/x86_64-linux-gnu/liblistSerialsj.so.1.4.0 l...") Tag: Visual edit
• 01:11, 18 February 2022 Leo talk contribs created page Insert a kickstart file into a iso image (Created page with "If you need to insert a custom kickstart file into a Red Hat Enterprise Linux / Rocky Linux iso image, use this script: {{Highlight | code = #!/bin/bash # Creates a ISO image with a custom kickstart file # Requires: genisoimage, syslinux, createrepo if [ $# -lt 2 ]; then echo "Usage1: $0 source_iso kickstart" exit 1 fi if [ ! -f $1 ]; then echo "ISO image $1 does not exist!" exit 1 fi if [ ! -f $2 ]; then echo "Kickstart file $2 does not exist!" exit 1 fi Sou...") Tag: Visual edit
• 01:40, 12 February 2022 Leo talk contribs created page Jinja filters (Created page with "Jinja filters allow you to run functions on some data right before it is rendered. It does not change the underlying data in anyway. == Quick introduction == * Filters are applied using the pipe | operator. * You can chain multiple filters one after another to create a pipeline. * Some filters requires arguments. Pass them in as if calling a function. === Lists === All filters that create Lists or work on Lists create Generator objects instead of Lists. To convert th...") Tag: Visual edit
• 02:39, 7 February 2022 Leo talk contribs blocked 174.241.28.194 talk with an expiration time of indefinite (anonymous users only, account creation disabled)
• 19:06, 31 January 2022 Leo talk contribs moved page Creating a Driver Disk to Driver Disk
• 23:14, 21 January 2022 Leo talk contribs moved page Dell iDRAC8 to Dell iDRAC without leaving a redirect
• 23:04, 21 January 2022 Leo talk contribs created page File:Java application blocked.png
• 23:04, 21 January 2022 Leo talk contribs uploaded File:Java application blocked.png
• 22:59, 21 January 2022 Leo talk contribs created page Dell iDRAC8 (Created page with " == Setup Java Web Start == alt=iDRAC Network connection has been dropped|thumb|iDRAC Network connection has been dropped Install icedtea-web or the official JDK from oracle. Because the iDRAC uses RC4 for SSL/TLS, you will get an error "The viewer has terminated. Reason: The network connection has dropped." if you try to connect. To work around this, you will need to edit <code>/usr/java/jdk1.8.0_202-amd64/jre/lib/security/java.sec...") Tag: Visual edit
• 22:59, 21 January 2022 Leo talk contribs created page File:IDRAC connection dropped.png
• 22:59, 21 January 2022 Leo talk contribs uploaded File:IDRAC connection dropped.png
• 04:59, 6 January 2022 Leo talk contribs created page How to boot Rocky Linux 8 on a Dell R710 (Initial content) Tag: Visual edit
• 04:58, 6 January 2022 Leo talk contribs created page File:RockyLinux8 Boot with Driver Disk.png
• 04:58, 6 January 2022 Leo talk contribs uploaded File:RockyLinux8 Boot with Driver Disk.png
• 06:14, 3 January 2022 Leo talk contribs deleted page Linux AD Integration (empty content)
• 02:02, 3 January 2022 Leo talk contribs created page File:Tizen - Browser cannot be initialized.png
• 02:02, 3 January 2022 Leo talk contribs uploaded File:Tizen - Browser cannot be initialized.png
• 01:55, 3 January 2022 Leo talk contribs moved page Jellyfin to How to install Jellyfin on a Samsung TV without leaving a redirect (Better name for this guide page)
• 01:52, 3 January 2022 Leo talk contribs created page File:Tizen Device Manager - permit.png
• 01:52, 3 January 2022 Leo talk contribs uploaded File:Tizen Device Manager - permit.png
• 01:39, 3 January 2022 Leo talk contribs created page File:Tizen Device Manager - add.png
• 01:39, 3 January 2022 Leo talk contribs uploaded File:Tizen Device Manager - add.png
• 01:30, 3 January 2022 Leo talk contribs created page File:Tizen Studio Package Manager - extras.png
• 01:30, 3 January 2022 Leo talk contribs uploaded File:Tizen Studio Package Manager - extras.png
• 01:29, 3 January 2022 Leo talk contribs created page File:Tizen Studio Package Manager - main.png
• 01:29, 3 January 2022 Leo talk contribs uploaded File:Tizen Studio Package Manager - main.png
• 23:46, 2 January 2022 Leo talk contribs created page Jellyfin (Initial content) Tag: Visual edit
• 22:19, 2 January 2022 Leo talk contribs deleted page User:Testing
• 00:37, 2 January 2022 Leo talk contribs created page XFS (Initial Content) Tag: Visual edit
• 00:27, 2 January 2022 Leo talk contribs created page Restic (Initial Content) Tag: Visual edit
• 22:18, 1 January 2022 Leo talk contribs moved page Bencchmark for Latitude 5290 to Benchmark for Latitude 5290 without leaving a redirect
• 06:31, 1 January 2022 Leo talk contribs created page Thttpd (Initial Content) Tag: Visual edit