Wordfence update failed: Could not copy file

#182036036 / gettyimages.com   If your Wordfence is not updating to newer version properly due to “Could not copy file” error, try deleting the leftover folder “wordfence.tmp” from /path-to-webroot/wp-content/upgrade/wordfence.tmp, then try again.

How to reset lost root password on Raspberry Pi running Arch Linux

#459312475 / gettyimages.com   Assumption: SD is not encrypted Plug SD onto another working computer, look for the “cmdline.txt” file and edit it by appending “init=/bin/sh” after “rootwait”. Save the file, remove the SD and plug it back to the RPi and boot. You’ll be dropped into a shell. Change your passwd, then hit CTRL-ALT-DEL… Continue reading How to reset lost root password on Raspberry Pi running Arch Linux

How to fix network print queue installation error 0x0000007e on Windows

Problem: The print queue of a HP printer on a Windows 2003 Server (clustered) already has its 32-bit driver installed. For my new 64-bit Windows 7 client to use the print queue, I installed the 64-bit printer driver on the server. However, when I connect to the print queue on the 64-bit Windows 7 client,… Continue reading How to fix network print queue installation error 0x0000007e on Windows

How to extend Windows 7 VM disk size on VirtualBox v4.2.16

Problem: The 30GB C: drive was running out of free space on my Windows 7 VM guest on VirtualBox v4.2.16. Solution: 1. Shutdown VM. 2. Extend it to 45GB: [text]$ cd /home/user/.VirtualBox/HardDisks $ VBoxManage modifyhd windows7.vdi –resize 46080 0%…10%…20%…30%…40%…50%…60%…70%…80%…90%…100%[/text] 3. Extend partition size in Windows 7 a. Start the VM b. Run diskmgmt.msc > right-click… Continue reading How to extend Windows 7 VM disk size on VirtualBox v4.2.16

How to make dhclient send hostname to DHCP server

My Arch Linux recently switched from dhcpcd to dhclient as the DHCP client. The DHCP server isn’t assigning a FQDN to this client and it turns out that dhclient isn’t telling the server what’s the client’s hostname. Solution: Create config file /etc/dhclient.conf with content: send host-name = gethostname();

How to fix copy-paste clipboard issue on Windows 7 Synergy client

Embed from Getty Images Love the cross-platform and open source Synergy keyboard and mouse sharing application. With the newly added built-in encryption, it’s even more secure now. The only problem I had was the copy-paste clipboard issue. When I hit CTRL-C to copy any text from a Windows 7 Synergy cilent (v1.4.12) running in service… Continue reading How to fix copy-paste clipboard issue on Windows 7 Synergy client