https://pop.com.sgExplosive pop stories with broad entertainment appeal.en-usThu, 06 Aug 2026 19:42:59 -0400https://pop.com.sg/recursively-rename-all-files-whose-name-starts-with-a-dash.htmlhttps://pop.com.sg/recursively-rename-all-files-whose-name-starts-with-a-dash.htmlIn terminal I can rename a single file that starts with a dash, i.e. mv ./-file file I can also rename all files in a directory that start with a dash, i.e. for f in ./-*; do rename 's/-//' "$f"; ...Thu, 06 Aug 2026 23:36:59 -0400https://pop.com.sg/flv-to-mp4-converter-in-trusty.htmlhttps://pop.com.sg/flv-to-mp4-converter-in-trusty.htmlAnybody recommend a GUI app (preferably in Ubuntu repos) to convert from .flv to .mp4 other than Transmageddon? Transmageddon now crashes in Trusty....Thu, 06 Aug 2026 23:28:20 -0400https://pop.com.sg/user-alexander-tsvetkov-ask-ubuntu.htmlhttps://pop.com.sg/user-alexander-tsvetkov-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 06 Aug 2026 23:27:30 -0400https://pop.com.sg/reloading-iptables.htmlhttps://pop.com.sg/reloading-iptables.htmlI made changes to iptables config file in /etc/iptables/filter in Ubuntu and want to reload them. I read the man page and also googled but couldn't find the information. Any help will be appreciated....Thu, 06 Aug 2026 23:20:21 -0400https://pop.com.sg/22-04-wifi-keeps-disconnecting-for-a-few-seconds-frequently.htmlhttps://pop.com.sg/22-04-wifi-keeps-disconnecting-for-a-few-seconds-frequently.htmlMy wifi connection keeps disconnecting frequently (say once in a couple of minutes) sometimes it gets back and sometimes I need to activate and deactivate aeroplane mode. I tried to change my network ...Thu, 06 Aug 2026 23:19:14 -0400https://pop.com.sg/cannot-access-internet-through-ethernet-on-freshly-installed-ubuntu.htmlhttps://pop.com.sg/cannot-access-internet-through-ethernet-on-freshly-installed-ubuntu.htmlI just installed ubuntu 18.04 and cannot get access through internet through ethernet cable Here are the command I already tried to get an idea about the problem. Is enp0s25 the name of the ethernet ...Thu, 06 Aug 2026 22:48:46 -0400https://pop.com.sg/how-to-network-two-ubuntu-computers-using-ethernet-without-a-router.htmlhttps://pop.com.sg/how-to-network-two-ubuntu-computers-using-ethernet-without-a-router.htmlHow can I network two Ubuntu computers, so that they can "see" each other at an IP address?...Thu, 06 Aug 2026 22:43:27 -0400https://pop.com.sg/why-is-thunderbird-mail-merge-changing-my-dates-to-text-ex-5-01-2020-b.htmlhttps://pop.com.sg/why-is-thunderbird-mail-merge-changing-my-dates-to-text-ex-5-01-2020-b.htmlI have a merge variable {{Suspense Date}} along with other variable column headings in a CSV spreadsheet (originally an Excel document saved as .csv so I can use it in Thunderbird Mail-Merge). As ......Thu, 06 Aug 2026 22:43:03 -0400https://pop.com.sg/what-is-the-recommended-method-to-encrypt-the-home-directory-in-ubuntu.htmlhttps://pop.com.sg/what-is-the-recommended-method-to-encrypt-the-home-directory-in-ubuntu.htmlInstalling Ubuntu to a new Notebook, I was surprised that I wasn't offered the option to encrypt the home directory any more. I found some vague information that Ubuntu dropped ecryptfs support a w......Thu, 06 Aug 2026 22:41:36 -0400https://pop.com.sg/ubuntu-20-04-can-039-t-persist-the-iptables-configuration.htmlhttps://pop.com.sg/ubuntu-20-04-can-039-t-persist-the-iptables-configuration.htmlI have been doing this in all previous Ubuntu editions without an issue, but something has changed in Ubuntu 20.04. sudo apt install iptables-persistent iptables -A INPUT -p tcp -m tcp --dport 443......Thu, 06 Aug 2026 22:40:37 -0400https://pop.com.sg/where-are-the-desktop-icon-files-stored.htmlhttps://pop.com.sg/where-are-the-desktop-icon-files-stored.htmlWhat system folder on Ubuntu 12.10 are the main menu .desktop icons stored at??? I am having trouble locating.......Thu, 06 Aug 2026 22:40:07 -0400https://pop.com.sg/don-039-t-see-apache-running-in-netstat.htmlhttps://pop.com.sg/don-039-t-see-apache-running-in-netstat.htmlI'm just playing with apache and i got it to work, that is i can connect to server by browsing to http://127.0.0.1 and http://192.168.1.5 i'm NOT running IPv6 Yet this is the result of netstat $ ......Thu, 06 Aug 2026 22:39:16 -0400https://pop.com.sg/vpn-services-for-ubuntu-in-china.htmlhttps://pop.com.sg/vpn-services-for-ubuntu-in-china.htmlI'm a student in China and I have recently installed Ubuntu on my PC, but I'm having trouble trying to find a VPN for Linux. The Tor browser is way too slow (doesn't load at all, only displays titl......Thu, 06 Aug 2026 22:37:59 -0400https://pop.com.sg/can-039-t-install-chrome-on-ubuntu-18-duplicate.htmlhttps://pop.com.sg/can-039-t-install-chrome-on-ubuntu-18-duplicate.htmlWhen I tried to install a current version of a software, someone provided the URL for where the binaries are located so that it can be used with the command below. curl -silent -location https://b......Thu, 06 Aug 2026 22:35:17 -0400https://pop.com.sg/how-to-connect-with-minicom-to-a-cisco-switch-and-a-serial-to-rj-45-ad.htmlhttps://pop.com.sg/how-to-connect-with-minicom-to-a-cisco-switch-and-a-serial-to-rj-45-ad.htmlI just recently set up my CISCO switch. I'm trying to connect with minicom. I looked at several tutorials online of how to do this. I tried the tutorials on YouTube but the problem is they assume I......Thu, 06 Aug 2026 22:23:56 -0400https://pop.com.sg/user-bent-cardan-ask-ubuntu.htmlhttps://pop.com.sg/user-bent-cardan-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 06 Aug 2026 22:23:05 -0400https://pop.com.sg/how-to-remove-rstudio-server-1-0-143-amd64-deb-in-ubuntu-16-04-linux-m.htmlhttps://pop.com.sg/how-to-remove-rstudio-server-1-0-143-amd64-deb-in-ubuntu-16-04-linux-m.html$ sudo apt-get remove rstudio-server-1.0.143-amd64.deb Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package rstudio-server-1.0.143-a......Thu, 06 Aug 2026 22:14:10 -0400https://pop.com.sg/how-to-map-keyboard-keys-to-joystick-buttons-using-joy2key.htmlhttps://pop.com.sg/how-to-map-keyboard-keys-to-joystick-buttons-using-joy2key.htmlThere isn't much documentation on the game I'm playing using WINE, and it doesn't detect a joystick. I want to use joy2key to map keyboard keys to joystick buttons, but can't figure out exactly how......Thu, 06 Aug 2026 22:13:59 -0400https://pop.com.sg/which-android-emulators-or-android-virtual-machines-run-well-on-ubuntu.htmlhttps://pop.com.sg/which-android-emulators-or-android-virtual-machines-run-well-on-ubuntu.htmlBlueStacks is a really easy-to-use (and freeware, apparently) Android emulator that runs well on Windows or Mac, but isn't made for Linux. I was able to get it to run in Ubuntu here by running it i......Thu, 06 Aug 2026 22:09:47 -0400https://pop.com.sg/crontab-script-not-working.htmlhttps://pop.com.sg/crontab-script-not-working.htmlBelow is my job.sh File echo 'Job Started Running' echo 'password' | sudo ./logstash -f /usr/share/logstash/bin/contact-index-logstash.conf echo 'Job Ended' Below is my sudo crontab -e * * * ......Thu, 06 Aug 2026 22:09:43 -0400https://pop.com.sg/when-is-cuda-gonna-be-released-for-ubuntu-20-04.htmlhttps://pop.com.sg/when-is-cuda-gonna-be-released-for-ubuntu-20-04.htmlSo 20.04 got released two days ago, but when is CUDA for 20.04 gonna be released? Is Nvidia usually following up quickly?...Thu, 06 Aug 2026 22:06:47 -0400https://pop.com.sg/zip-multiple-folders-into-a-zip-file-using-terminal-duplicate.htmlhttps://pop.com.sg/zip-multiple-folders-into-a-zip-file-using-terminal-duplicate.htmlI wish to store a few folders in a zip file and then convert that zip file into a jar. I have the following folders : META-INF and org. I tried the following command: zip META-INF/ org/ wordcoun......Thu, 06 Aug 2026 22:01:50 -0400https://pop.com.sg/postgresql-server-doesn-039-t-start.htmlhttps://pop.com.sg/postgresql-server-doesn-039-t-start.html[Ubuntu 16.04] I installed postgresql 9.5 along with dependencies: sudo sh -c "echo 'deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main' > /etc/apt/sources.list.d/pgdg.list" wget --q......Thu, 06 Aug 2026 21:50:39 -0400https://pop.com.sg/nginx-different-name-for-different-port.htmlhttps://pop.com.sg/nginx-different-name-for-different-port.htmlI have two web applications (webapp1 port 7000 & webapp2 port 8000) for internal use hosted on my server VM with IP address 192.168.15.10 (ubuntu 20.04) I want to see if it is possible to assign ...Thu, 06 Aug 2026 21:49:18 -0400https://pop.com.sg/python-permission-denied-writing-output-to-file.htmlhttps://pop.com.sg/python-permission-denied-writing-output-to-file.htmlI want to execute a python file in /var/www/html: sudo python myFile.py Which works fine. Now, I want to write the output to log.txt. So, I type: sudo python myFile.py >> log.txt Howeve......Thu, 06 Aug 2026 21:42:54 -0400https://pop.com.sg/how-to-open-password-change-dialog-from-gnome-control-center-from-the-.htmlhttps://pop.com.sg/how-to-open-password-change-dialog-from-gnome-control-center-from-the-.htmlI can open the User sections by running gnome-control-center but I need to access directly the password dialog box. Is there a way to directly open it?...Thu, 06 Aug 2026 21:42:22 -0400https://pop.com.sg/i-want-to-remove-3-28-tar-bz2-file-and-install-3-30-tar-bz2-file-how-c.htmlhttps://pop.com.sg/i-want-to-remove-3-28-tar-bz2-file-and-install-3-30-tar-bz2-file-how-c.htmlI am using Ubuntu WSL on windows 10 latest version and maybe I installed an older version of tar.bz2 file by using the command: wget https://www.nsnam.org/release/ns-allinone-3.28.tar.bz2 tar xvjf ns-...Thu, 06 Aug 2026 21:29:14 -0400https://pop.com.sg/voice-audio-comes-weird-and-very-low-with-a-headphone.htmlhttps://pop.com.sg/voice-audio-comes-weird-and-very-low-with-a-headphone.htmlI had no problems watching videos until yesterday when I rebooted Ubuntu after an upgrade. Now when I watch a video with voices I only hear the background sounds normally but when someone speaks in......Thu, 06 Aug 2026 21:23:42 -0400https://pop.com.sg/restore-transmission-daemon-status-and-list-from-broken-ubuntu-install.htmlhttps://pop.com.sg/restore-transmission-daemon-status-and-list-from-broken-ubuntu-install.htmltoday i lost one of my vm's (the disk image refuses to boot but is still accessible). given the age of the install i decided i would just go with a fresh install. i have restored almost everything,......Thu, 06 Aug 2026 21:11:57 -0400https://pop.com.sg/what-music-players-or-related-applications-are-there-that-would-allow-.htmlhttps://pop.com.sg/what-music-players-or-related-applications-are-there-that-would-allow-.htmlI use OSD Lyrics and CoverGloobus. They are good, they search and eventually download lyrics, when they can find them. The sources used by OSD Lyrics, for example, are rather limited (although I lo......Thu, 06 Aug 2026 21:09:53 -0400https://pop.com.sg/how-to-unpack-easeus-todo-backup-pbd-files-on-ubuntu.htmlhttps://pop.com.sg/how-to-unpack-easeus-todo-backup-pbd-files-on-ubuntu.htmlI have a .PBD backup file of my old Windows laptop. This is created by the EaseUs Todo Backup utility. They don't make it for Ubuntu. Is there any way to unpack this file in an Ubuntu-native way?...Thu, 06 Aug 2026 21:06:07 -0400https://pop.com.sg/apply-transparent-background-in-gimp.htmlhttps://pop.com.sg/apply-transparent-background-in-gimp.htmlHow can I remove the background and replace with transparency (as represented by checkered background in PS)? And are there any limitations in the file type I can then export the image to?...Thu, 06 Aug 2026 21:04:26 -0400https://pop.com.sg/lighter-in-cpu-memory-usage-lubuntu-or-xubuntu.htmlhttps://pop.com.sg/lighter-in-cpu-memory-usage-lubuntu-or-xubuntu.htmlI am looking for an Ubuntu version that consumes less Memory and CPU. I have read both Lubuntu and Xubuntu (The homepages, wikipedia, phoronix and other sites comparing both). But from experience, ......Thu, 06 Aug 2026 20:56:20 -0400https://pop.com.sg/cannot-transfer-file-due-to-filesystem-does-not-support-symbolic-links.htmlhttps://pop.com.sg/cannot-transfer-file-due-to-filesystem-does-not-support-symbolic-links.htmlWhen I want to transfer files from my local hard drive to my thumbdrive, I keep getting this error: Filesystem does not support symbolic links. I don't know what this is, I need help with ...Thu, 06 Aug 2026 20:41:51 -0400https://pop.com.sg/installed-kali-tools-with-kaltoolin3-on-ubuntu-20-04-and-now-ubuntu-wi.htmlhttps://pop.com.sg/installed-kali-tools-with-kaltoolin3-on-ubuntu-20-04-and-now-ubuntu-wi.htmlInstalled Kali Tools with kaltoolin3 on Ubuntu 20.04 and now Ubuntu will only boot to the command line. Ctrl + Alt + F7 doesn't do anything. I've tried sudo apt-get install --reinstall ubuntu-desk......Thu, 06 Aug 2026 20:36:14 -0400https://pop.com.sg/syntax-error-near-unexpected-token-newline-039-while-installing-predic.htmlhttps://pop.com.sg/syntax-error-near-unexpected-token-newline-039-while-installing-predic.htmlI'm new to Prediction.io and when I try to install it following the instruction at this page I get the following error: bash: -c: line 0: syntax error near unexpected token `newline' bash: -c: li......Thu, 06 Aug 2026 20:33:08 -0400https://pop.com.sg/udev-rules-for-ftdi-not-completely-working.htmlhttps://pop.com.sg/udev-rules-for-ftdi-not-completely-working.htmlI know this question has been asked many times but I cannot make it work. I have a FTDI serial-usb converter. I have generated 10-fhss-usb.rules in /etc/udev/rules.d/: SUBSYSTEM=="tty", ATTRS{idVe......Thu, 06 Aug 2026 20:28:23 -0400https://pop.com.sg/getting-wifi-ap-working-with-hostapd-and-isc-dhcp-server-xubuntu-14-04.htmlhttps://pop.com.sg/getting-wifi-ap-working-with-hostapd-and-isc-dhcp-server-xubuntu-14-04.htmlI have tried using ap-hotspot from WebUpd8, and it did not work for me in 13.10 or 14.04, so I have been working on getting hostapd manually set up, using isc-dhcp-server since dnsmasq was having ...Thu, 06 Aug 2026 20:03:01 -0400https://pop.com.sg/change-network-mac-address-using-ip-command.htmlhttps://pop.com.sg/change-network-mac-address-using-ip-command.htmlUsually I would be able to change my wifi mac address with the ifconfig command like : ifconfig <iface> hw ether XX:XX:XX:XX:XX:XX Ubuntu have however deprecated ifconfig in behalf of the "......Thu, 06 Aug 2026 20:00:30 -0400https://pop.com.sg/unable-to-install-ubuntu-20-04-on-hp-dl380-dl360-gen8.htmlhttps://pop.com.sg/unable-to-install-ubuntu-20-04-on-hp-dl380-dl360-gen8.htmlI downloaded 20.04 ISO from Ubuntu.com and created a bootable USB using Rufus tool. The target servers were used HP DL380, DL360 Gen8. I could not succeed to install the Ubuntu on any of the server......Thu, 06 Aug 2026 19:47:56 -0400https://pop.com.sg/how-to-insert-an-emoji-into-a-text-in-ubuntu-18-04-and-later.htmlhttps://pop.com.sg/how-to-insert-an-emoji-into-a-text-in-ubuntu-18-04-and-later.htmlWhat are the possibilities to insert, choose and use an emoji in Ubuntu 18.04 and later?...Thu, 06 Aug 2026 19:45:54 -0400https://pop.com.sg/how-do-i-start-stop-mysql-server.htmlhttps://pop.com.sg/how-do-i-start-stop-mysql-server.htmlI tried to find in some articles describing how to correctly start & stop mysql server. I found this link: How to start/stop MySql server on Ubuntu 8.04 | Abhi's Blogging World I ran this ...Thu, 06 Aug 2026 19:45:15 -0400https://pop.com.sg/can-see-my-hosted-files-after-upgrading-apache.htmlhttps://pop.com.sg/can-see-my-hosted-files-after-upgrading-apache.htmlI have lost web browser access to my local PHP files. Fortunately phpmyadmin continues to work nicely. When I type my server ip in Firefox I get: Index of / [ICO] Name Last modified Size......Thu, 06 Aug 2026 19:44:51 -0400https://pop.com.sg/after-20-04-3-upgrade-at-shut-down-screen-locks-up.htmlhttps://pop.com.sg/after-20-04-3-upgrade-at-shut-down-screen-locks-up.htmlUbuntu-20.04.03 LTS, Ryzen 5 4800x New install, all ran perfectly so I rebooted and did an Update; followed by an Upgrade. used it a while then shut down -- all good. Restarted and again, all good ......Thu, 06 Aug 2026 19:44:25 -0400https://pop.com.sg/how-can-i-convert-osp-files-to-other-formats.htmlhttps://pop.com.sg/how-can-i-convert-osp-files-to-other-formats.htmlI'm new to Ubuntu. I recorded a video and edited it with OpenShot Video Editor. It was all good. But then I couldn't upload the video because it's format is .osp. I searched how to convert but I di......Thu, 06 Aug 2026 19:44:11 -0400https://pop.com.sg/how-to-find-the-number-of-cpu-cores-including-virtual.htmlhttps://pop.com.sg/how-to-find-the-number-of-cpu-cores-including-virtual.htmlHow do I find out the number of cores my CPU has, including virtual cores (hyper threading cores) using the command line?...Thu, 06 Aug 2026 19:28:36 -0400https://pop.com.sg/does-lvm-enable-me-to-resize-my-home-partition.htmlhttps://pop.com.sg/does-lvm-enable-me-to-resize-my-home-partition.htmlWith 13.04 here, I'm planning on wiping my computer and reinstalling. I have two hard drives, and I've heard that LVM allows the two drives to work together, as if they are a single drive. I've also ...Thu, 06 Aug 2026 19:22:18 -0400https://pop.com.sg/install-ubuntu-14-04-alongside-with-windows7.htmlhttps://pop.com.sg/install-ubuntu-14-04-alongside-with-windows7.htmlI'm trying to install Ubuntu 14.04 alongside Windows 7. I created with Acronis partion on 130Gb where I want to install Ubuntu, downloaded Ubuntu 14.04, made boot DVD and run it. During installatio......Thu, 06 Aug 2026 19:19:53 -0400https://pop.com.sg/health-check-of-external-hard-drives.htmlhttps://pop.com.sg/health-check-of-external-hard-drives.htmlWhat is best way to analyse the health of a large external 2TB/3TB/4TB USB hard drive with NTFS partitions in Ubuntu quickly? I want to get some diagnostic data on overall health of the hard drive ...Thu, 06 Aug 2026 19:19:31 -0400https://pop.com.sg/play-intro-from-large-collection-of-songs.htmlhttps://pop.com.sg/play-intro-from-large-collection-of-songs.htmlI'm hoping to find a way to go through a large music collection to find a particular song. However I do not know the title of the song, artist or album. I was hoping to find an audio player that h......Thu, 06 Aug 2026 19:17:51 -0400https://pop.com.sg/how-do-i-get-civilization-3-to-play-on-ubuntu.htmlhttps://pop.com.sg/how-do-i-get-civilization-3-to-play-on-ubuntu.htmlI can not get Civilization 3 to load onto ubuntu. How can this be done. It is a windows based version....Thu, 06 Aug 2026 19:16:05 -0400https://pop.com.sg/ubuntu-16-04-x64-unable-to-power-on-bluetooth.htmlhttps://pop.com.sg/ubuntu-16-04-x64-unable-to-power-on-bluetooth.htmlMy bluetooth device fails (powers off) randomly and I can't turn it back on again unless I reboot (somethimes power off/on my laptop). I have Lenovo Y50-70 laptop running Ubuntu 16.04 x64 Trying to ...Thu, 06 Aug 2026 19:15:19 -0400https://pop.com.sg/questions-tagged-randr.htmlhttps://pop.com.sg/questions-tagged-randr.htmlQ&A for Ubuntu users and developers...Thu, 06 Aug 2026 19:13:14 -0400https://pop.com.sg/how-do-i-install-xcode-on-ubuntu.htmlhttps://pop.com.sg/how-do-i-install-xcode-on-ubuntu.htmlI noticed Xcode has released a (non-snapshot) xCode download for Ubuntu. I looked for an article on how to install it and I couldnt find anything. Can anyone advise how to do this?...Thu, 06 Aug 2026 19:07:15 -0400https://pop.com.sg/headphones-no-sound-not-working-ati-r6xx-and-realtek-alc892.htmlhttps://pop.com.sg/headphones-no-sound-not-working-ati-r6xx-and-realtek-alc892.htmlTried other answers in some other posts, but I can't seem to get it to work. image of alsamixer There's an image of what alsamixer looks like when I open it. Basically, I can't hear anything unles......Thu, 06 Aug 2026 19:03:10 -0400https://pop.com.sg/where-are-my-iptables.htmlhttps://pop.com.sg/where-are-my-iptables.htmlI ran the code: iptables-save -t nat -A PREROUTING -d 79.3.191.226 -j DNAT --to-destination 192.168.0.14 But I don't know if it worked since I cannot find the iptables file inside my directory. ......Thu, 06 Aug 2026 19:00:28 -0400https://pop.com.sg/i-cannot-gain-access-to-my-atitesting-com-account.htmlhttps://pop.com.sg/i-cannot-gain-access-to-my-atitesting-com-account.htmlThe website states my browser is not supported. The system has detected that your browser/OS combination (/Firefox 25.0) may not be supported. You will need Internet Explorer (at least version 6......Thu, 06 Aug 2026 18:57:42 -0400https://pop.com.sg/new-usb-nvme-drive-does-not-show-up-in-lsblk-dmesg-says-039-unit-not-r.htmlhttps://pop.com.sg/new-usb-nvme-drive-does-not-show-up-in-lsblk-dmesg-says-039-unit-not-r.htmlI've got a Brand New ORICO TCM3-C3 NVMe M.2 SSD enclosure which I am using with a WD Blue WDS500G2B0B-00YS70 500Gb NVMe ssd (also new) When I plug it in I get the usual ping of a USB device being ...Thu, 06 Aug 2026 18:51:27 -0400https://pop.com.sg/ubuntu-14-04-centrify-not-able-to-login-through-gdm.htmlhttps://pop.com.sg/ubuntu-14-04-centrify-not-able-to-login-through-gdm.htmlWe have an Active Directory Server running in my company. I need to add a Ubuntu desktop system to active directory domain. I followed this guide to add ubuntu to windows domain. I was successfully......Thu, 06 Aug 2026 18:44:26 -0400https://pop.com.sg/download-a-whole-website-with-wget-or-other-including-all-its-download.htmlhttps://pop.com.sg/download-a-whole-website-with-wget-or-other-including-all-its-download.htmlI'm trying to download winamp's website in case they shut it down. I need to download literally everything. I tried once with wget and I managed to download the website itself, but when I try to ...Thu, 06 Aug 2026 18:43:03 -0400https://pop.com.sg/what-can-i-use-instead-of-gnome-open.htmlhttps://pop.com.sg/what-can-i-use-instead-of-gnome-open.htmlWhat is a current replacement of gnome-open command (generic open of files based on the type)? Before: gnome-open mydoc.pdf # opened PDF in default application Now: gnome-open The program 'gn......Thu, 06 Aug 2026 18:38:01 -0400https://pop.com.sg/checking-for-a-file-and-whether-it-is-readable-and-writable.htmlhttps://pop.com.sg/checking-for-a-file-and-whether-it-is-readable-and-writable.htmlI'm trying to write a script that will look for a certain .txt file saved to my desktop. I want the script to be able to check if this file exists and then check to see if it is readable and writa......Thu, 06 Aug 2026 18:36:28 -0400https://pop.com.sg/cd-var-www-html-error.htmlhttps://pop.com.sg/cd-var-www-html-error.htmlI am Trying to install angular4 but in the process I type this command: cd /var/www/html/ As referred by the video but the error showing is this: bash: cd: /var/www/html/: No such file or directory...Thu, 06 Aug 2026 18:34:47 -0400https://pop.com.sg/i-formatted-a-usb-drive-and-now-it-says-the-destination-is-read-only-d.htmlhttps://pop.com.sg/i-formatted-a-usb-drive-and-now-it-says-the-destination-is-read-only-d.htmlThe Problem It was a bootable Ubuntu USB drive at first I tried to format it using Nautilus it didn't work, then i simply deleted the partition using Gparted and created a new FAT32 partition. but......Thu, 06 Aug 2026 18:33:14 -0400https://pop.com.sg/removing-conky-drop-shadow.htmlhttps://pop.com.sg/removing-conky-drop-shadow.htmlI've started using Conky with 11.04 and want to remove its drop shadow. I've tried setting any & !(class=Conky) in the Shadow Windows text box of the Window Decoration section. This works. Ho......Thu, 06 Aug 2026 18:32:39 -0400https://pop.com.sg/ubuntu-1-14-recovery-mode-drm-kms-helper-panic-occurred-switching-back.htmlhttps://pop.com.sg/ubuntu-1-14-recovery-mode-drm-kms-helper-panic-occurred-switching-back.htmlI updated the operating system ubuntu. 14 (version 2.02~beta2-9)) When I restart my laptob I have this error.👇 . .error . Drm_kms_helper:panic occurred,switching back to text console . . . I g......Thu, 06 Aug 2026 18:31:57 -0400https://pop.com.sg/windows-application-installation-in-wine-in-ubuntu-20-04-is-asking-to-.htmlhttps://pop.com.sg/windows-application-installation-in-wine-in-ubuntu-20-04-is-asking-to-.htmlTrying to complete a windows application installation under WINE (in Ububtu 20.04). the 1st part of the installation went well. However, the 2nd part of the installation is the windows application ......Thu, 06 Aug 2026 18:30:23 -0400https://pop.com.sg/sudo-hangs-internet-disappears-and-computer-cannot-be-shut-down-after-.htmlhttps://pop.com.sg/sudo-hangs-internet-disappears-and-computer-cannot-be-shut-down-after-.htmlSorry in advance for the lack of detailed technical info here - I'm doing my best but I'm relatively new to linux troubleshooting. I'm using Ubuntu 21.10 (specifically the Ubuntu Budgie DE, in case......Thu, 06 Aug 2026 18:29:59 -0400https://pop.com.sg/how-to-install-0mq-on-ubuntu-16-04.htmlhttps://pop.com.sg/how-to-install-0mq-on-ubuntu-16-04.htmlI am confused with all the packages apt-cache outputs: $ apt-cache search libzmq libzmq-dbg - lightweight messaging kernel (debugging symbols) libzmq-dev - lightweight messaging kernel (development ...Thu, 06 Aug 2026 18:29:40 -0400https://pop.com.sg/building-ccminer-on-ubuntu-17-04.htmlhttps://pop.com.sg/building-ccminer-on-ubuntu-17-04.htmlI recently started to mine some cryptconcurrencys again and I wanted to try Monero (XMR). The CPU miner xmrig works perfectly however I am having problems install a GPU miner. What I already did I ...Thu, 06 Aug 2026 18:25:18 -0400https://pop.com.sg/user-hypocritus-ask-ubuntu.htmlhttps://pop.com.sg/user-hypocritus-ask-ubuntu.htmlQ&A for Ubuntu users and developers...Thu, 06 Aug 2026 18:22:38 -0400https://pop.com.sg/replacing-text-in-multiple-files-with-text-from-a-list-in-order.htmlhttps://pop.com.sg/replacing-text-in-multiple-files-with-text-from-a-list-in-order.htmlLet's say I have the following files: /etc/dir1/file.txt /etc/dir2/file.txt /etc/dir3/file.txt ... all the way up to dir100 (100 directories), every directory has file.txt. And I have the follow......Thu, 06 Aug 2026 18:20:32 -0400https://pop.com.sg/gpg-not-working.htmlhttps://pop.com.sg/gpg-not-working.htmlI am using Ubuntu 18.04.1. I previously had GPG 2.1.15 (including dependencies) manually installed from gnupg.org. I wanted to install a ppa and after running sudo apt-key add Release.key I got the ...Thu, 06 Aug 2026 18:19:52 -0400https://pop.com.sg/why-does-c-v-etc-appear-in-the-terminal-when-i-use-the-ctrl-character-.htmlhttps://pop.com.sg/why-does-c-v-etc-appear-in-the-terminal-when-i-use-the-ctrl-character-.htmlSometimes, when copy-pasting text from the output of commands, I'll accidently use Ctrl+c instead of Ctrl+Shift+c. So the command-line interprets it as ^C... Why is this? Why does the command-line ...Thu, 06 Aug 2026 18:17:55 -0400https://pop.com.sg/connecting-academic-license-for-bruker-topspin-3-6-to-codemeter.htmlhttps://pop.com.sg/connecting-academic-license-for-bruker-topspin-3-6-to-codemeter.htmlI believe I have both TopSpin3 and CodeMeter working properly. At least, I can go to the WebAdmin interface for CodeMeter and see that my academic license is installed. I can also install TopSpin3 ......Thu, 06 Aug 2026 17:45:29 -0400https://pop.com.sg/emoji-disappear-when-i-print-export-to-pdf-or-download-a-pdf-after-upd.htmlhttps://pop.com.sg/emoji-disappear-when-i-print-export-to-pdf-or-download-a-pdf-after-upd.htmlI recently updated to 20.04 and I love the new full range of full color emoji but they disappear when I print, export to PDF or even if I download a pdf from email. I thought it was a libre office ......Thu, 06 Aug 2026 17:36:26 -0400https://pop.com.sg/macbook-pro-early-2008-model-wont-boot-into-linux-install.htmlhttps://pop.com.sg/macbook-pro-early-2008-model-wont-boot-into-linux-install.htmlI'm a beginner using Linux and have used Mint, Kubuntu, Ubuntu, Manjaro, ElementaryOS and Fedora on another machine (Macbook Air 2013). I have an old MacBook Pro I wish to revive, but I can't seem......Thu, 06 Aug 2026 17:35:30 -0400https://pop.com.sg/from-windows-xp-to-lubuntu-12-04-lts-was-windows-graphically-best-deta.htmlhttps://pop.com.sg/from-windows-xp-to-lubuntu-12-04-lts-was-windows-graphically-best-deta.htmlI switched from Windows XP to Lubuntu 12.04 LTS. Pretty cool: already loving XFCE. Anyway: I got to say that it looks like Linux is graphically less detailed. I mean, I can clearly see a lot of p......Thu, 06 Aug 2026 17:23:04 -0400https://pop.com.sg/how-to-monitor-connection-to-nfs-mount.htmlhttps://pop.com.sg/how-to-monitor-connection-to-nfs-mount.htmlI primarily work on files that lie on an NFS mounted network share. Since a recent IT upgrade, the network connection to this NFS mount seems sketchy -- every day, a couple of times during my work, I ...Thu, 06 Aug 2026 17:20:01 -0400https://pop.com.sg/how-do-i-lock-the-screen-from-a-terminal-duplicate.htmlhttps://pop.com.sg/how-do-i-lock-the-screen-from-a-terminal-duplicate.htmlI am using Ubuntu 12.04. Is there any way to lock the screen or session from a terminal command or script?...Thu, 06 Aug 2026 17:17:45 -0400https://pop.com.sg/how-to-prevent-skype-from-upgrading-and-keep-the-old-version-for-reins.htmlhttps://pop.com.sg/how-to-prevent-skype-from-upgrading-and-keep-the-old-version-for-reins.htmlToday, as I've issued the apt-get upgrade command, I've noticed there is Skype update in the list. I am absolutely happy with the old Skype 2.2.0.35 Beta and definitely don't want anything to chang......Thu, 06 Aug 2026 16:56:56 -0400https://pop.com.sg/realtek-hd-audio-drivers-can-039-t-be-installed.htmlhttps://pop.com.sg/realtek-hd-audio-drivers-can-039-t-be-installed.htmlI am receiving the following error on make install as suggested in the Realtek Audio driver package. I installed the driver from this website. The error I am getting is: /bin/sh: 1: Syntax error......Thu, 06 Aug 2026 16:51:29 -0400https://pop.com.sg/virtual-printer.htmlhttps://pop.com.sg/virtual-printer.htmlare there any Virtual printer in Ubuntu that can be used during development to print RAW (similar to what most Thermal printer does--but virtual), either print to file or print to display....Thu, 06 Aug 2026 16:38:47 -0400https://pop.com.sg/ambiguous-redirect-grep-command.htmlhttps://pop.com.sg/ambiguous-redirect-grep-command.htmlIt was an exercise from one Linux textbook: to give an example both input and output redirected. I found an answer in web: grep \$Id < *.c > id_list But this *.c seems to be the problem.......Thu, 06 Aug 2026 16:35:06 -0400https://pop.com.sg/unable-to-download-packages-duplicate.htmlhttps://pop.com.sg/unable-to-download-packages-duplicate.htmlNeeding to download 'traceroute' for some work that I have to do, I tried to download the package using 'sudo apt-get install'. After looking online, I saw that I might have to update the software ......Thu, 06 Aug 2026 16:27:13 -0400https://pop.com.sg/official-docker-image-for-ubuntu-server.htmlhttps://pop.com.sg/official-docker-image-for-ubuntu-server.htmlAll I could find is an official Docker image for Ubuntu Desktop on Docker Hub. Isn't there one for Ubuntu Server? Does that mean, I'd have to create my own base image using scratch?...Thu, 06 Aug 2026 16:27:10 -0400https://pop.com.sg/is-there-any-linux-alternatives-to-cinebench-and-aida64.htmlhttps://pop.com.sg/is-there-any-linux-alternatives-to-cinebench-and-aida64.htmlI recently started migrating from Windows 10 to Ubuntu version 20.04. And even though everything is running smoothly, I wish I could use applications such as AIDA 64 or Cinebench to both check and ...Thu, 06 Aug 2026 15:54:37 -0400https://pop.com.sg/kivy-any-script-does-not-open-window-in-ubuntu.htmlhttps://pop.com.sg/kivy-any-script-does-not-open-window-in-ubuntu.htmlI asked the question in stack owerflow before but I guess my problem is at first a ubuntu problem. When I excute a kivy script (e.g. hello world) in a vitualenv the script runs without errors but I......Thu, 06 Aug 2026 15:45:45 -0400https://pop.com.sg/setting-java-home.htmlhttps://pop.com.sg/setting-java-home.htmlHow do I set JAVA_HOME=/usr/lib/jvm ...E ? The instructions say to use INSTALL4J JAVA_HOME=/usr/lib/jvm/java-6-sun but I get an error that says: INSTALL4J: command not found I have downloaded ...Thu, 06 Aug 2026 15:43:31 -0400https://pop.com.sg/how-to-install-nouveau-driver-on-19-10-and-use-displaylink.htmlhttps://pop.com.sg/how-to-install-nouveau-driver-on-19-10-and-use-displaylink.htmlI'm trying to get DisplayLink work on Ubuntu 19.10 for the dual DisplayLink i-tec USB3 to Dual-HDMI device (to have 2 external displays by USB3). I have posted some log and opened an issue at GitH......Thu, 06 Aug 2026 15:43:21 -0400https://pop.com.sg/how-to-use-sudo-from-a-standard-user.htmlhttps://pop.com.sg/how-to-use-sudo-from-a-standard-user.htmlIf I try using sudo as a non-privileged user, I get a message that the user is not in the sudoers file. I know the Administrator password, but I do not know, how to use it from a non-privileged (St......Thu, 06 Aug 2026 15:39:25 -0400https://pop.com.sg/amd-athlon-64x2-dual-core-2-6-ghz.htmlhttps://pop.com.sg/amd-athlon-64x2-dual-core-2-6-ghz.html64-bit or 32-bit? I need to run graphics software such as Adobe Master Collection CS3 and MS Office Publisher. What do I need ot make this work?...Thu, 06 Aug 2026 15:19:28 -0400https://pop.com.sg/what-is-the-difference-between-gvim-and-vim.htmlhttps://pop.com.sg/what-is-the-difference-between-gvim-and-vim.htmlCould someone please explain to me the differences between Gvim and Vim?...Thu, 06 Aug 2026 15:15:26 -0400https://pop.com.sg/netplan-configuration-renaming-network-interfaces.htmlhttps://pop.com.sg/netplan-configuration-renaming-network-interfaces.htmlI'm no fan of netplan, a simple renaming operation that's taking hours can't be seen as progress... I have a physical box, with physical NIC's that I need to bridge. On the test machine it's two ...Thu, 06 Aug 2026 15:12:57 -0400https://pop.com.sg/how-to-rename-multiple-files-with-their-first-10-characters.htmlhttps://pop.com.sg/how-to-rename-multiple-files-with-their-first-10-characters.htmlI am having a problem to rename multiple files by replacing the name by their first 10 characters of their old name. I tried to find the solution in internet but I didn't find the answers. Example: ...Thu, 06 Aug 2026 15:12:23 -0400https://pop.com.sg/why-is-my-cursor-position-offset-in-firefox-on-my-main-screen.htmlhttps://pop.com.sg/why-is-my-cursor-position-offset-in-firefox-on-my-main-screen.htmlI've been struggling with this problem for a while now. Maybe since my upgrade from 18.04 to 20.04. It was very difficult to capture, but here is a video that shows that when the LinkedIn.com page......Thu, 06 Aug 2026 15:08:09 -0400https://pop.com.sg/how-can-i-change-the-dock-settings-in-ubuntu-20-04.htmlhttps://pop.com.sg/how-can-i-change-the-dock-settings-in-ubuntu-20-04.htmlAre the dock settings completely gone from the latest version of Ubuntu? I can't seem to find them in the Settings application. If so, how can I change the icon size and move the dock around?...Thu, 06 Aug 2026 14:53:03 -0400https://pop.com.sg/mysql-workbench-community-wont-run.htmlhttps://pop.com.sg/mysql-workbench-community-wont-run.htmlit seems that other possibilities than snap don't exist any longer. The Oracle version produces other errors. So i did: snap install mysql-workbench-community When i run it i get: mkdir: cannot cre......Thu, 06 Aug 2026 14:51:35 -0400https://pop.com.sg/how-can-you-update-less-css-compiler-to-the-latest-version-from-apt-ge.htmlhttps://pop.com.sg/how-can-you-update-less-css-compiler-to-the-latest-version-from-apt-ge.htmlYou can install less css compiler easy: apt-get install lessc But that only installs version 1.1.0. How can you update to the very latest version? (The latest version is 1.3.0) -- update -- I......Thu, 06 Aug 2026 14:29:34 -0400https://pop.com.sg/speaker-icon-in-taskbar-is-missing.htmlhttps://pop.com.sg/speaker-icon-in-taskbar-is-missing.htmlI'm totally newbie to Ubuntu after years of MS Windows. Please excuse my mitakes. The icon was located in Gnome Panel 2.30.2. and it adjust the level of sound....Thu, 06 Aug 2026 14:28:21 -0400