Category «Hacks»

Quick fix for curl: symbol lookup error: /usr/lib/x86_64-linux-gnu/libcurl.so.4: undefined symbol

So you’re trying to install something or compile something or you have curl installed, but it won’t work, because…. # curl -V curl: symbol lookup error: /usr/lib/x86_64-linux-gnu/libcurl.so.4: undefined symbol: nghttp2_http2_strerror Or it may be some other package doing this. If you land up on this obscure blog searching, chances are you already have been pulling …

Ubuntu network slow RTL8101E/RTL8102E PCI Realtek

I recently reinstalled Ubuntu, and found that my network was agonizingly slow. Installing the driver from the Realtek website fixed this. My card is RTL8101E/RTL8102E PCI Express Fast Ethernet controller, but I imagine this will work for other versions too. The problem is that the default driver does not support this card well. Blacklist it. …

PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature

If you are trying to upgrade, and suddenly start getting errors like: Incompatible Archive. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature Here are some things to check. This basically means that WordPress is not able to unzip the downloaded packages to install the upgrades. Check to see available space on …