All pages
- AWS: IAM policy to allow EC2 volume snapshotting
- AWS: IAM policy to allow read/write access to a bucket
- AWS: listing your EC2 instances IP addresses from command line
- A quick SVN repository set up for your website
- Accessing Windows console remotely from Linux
- Acer accepting Windows tax refund
- Adding existing code to bitbucket
- Apache: disabling PHP execution in selected directories
- Apache: serving different robots.txt for SSL and non-SSL version of the website
- Apt - preventing certain package updates
- Arcconf on Linux: examples
- BackupPC - restoring backups from command line
- Bash: find and remove empty files and directories
- Bridge with a static IP with netplan
- Building ProFTPD with SFTP support on Debian Lenny
- CPUfreq and dm-crypt performance problems
- Call to undefined function xml parser create() in wp-includes/class-IXR.php:264
- Changing SSH port on CentOS 7
- Changing timezone manually on CentOS / Debian
- Cipher benchmark for dm-crypt / LUKS
- Configuring ISDN (dialin, dialout) from command line
- Configuring multiseat X workstation
- Country codes for SSL certificates
- Cyrus IMAP server and multiple SSL certificates
- DRDB and link compression
- Date conversion oneliners in bash
- Deb: preventing packages from updates
- Debian Lenny, /etc/apt/sources.list and error 404
- Decoding SSL certificates and signing requests with OpenSSL
- Diff: memory exhausted
- Disable / enable keyboard and mouse in Linux
- Disable systemd listening on port 111
- Disabling fan on Dell Precision 5520
- Disabling transparent hugepages on Ubuntu/Debian
- Diskless / remote boot with Open-iSCSI
- Diskless / remote boot with Open-iSCSI:Downloads
- Diskless / remote boot with Open-iSCSI:Troubleshooting
- Displaying LDAP content
- Downgrading to PHP 5.3 on Debian Wheezy (7.0)
- Eatmydata: speed up mysql for large imports
- Enabling IPv6 on CentOS
- Enabling OpenVPN with systemctl
- Executing local programs and scripts remotely
- FDL
- Facebook, Twitter, Google+ buttons in MediaWiki
- Ffmpeg video conversion command line examples
- GRE tunnel between two LXD hosts
- Generate SSL dhparam file with openssl
- Generating DKIM key with openssl
- Getting IP address and aliases in Perl
- Getting rid of “IPv6 addrconf: prefix with wrong length 56”
- Git clone: Problem with the SSL CA cert
- HTTP basic auth in nginx
- Hpacucli: Error: No controllers detected (with hpsa module in use)
- IPv6: blocking incoming traffic with ip6tables
- Installing Debian Squeeze on DELL PowerEdge R710 via DRAC
- Integrating Mailman with a Swish-e search engine
- Iptables: LOG target not working in LXD containers
- Iptables: redirect port to external IP
- Java leap second bug – 30 June / 1 July 2012 – fix
- LXC: cloning a container snapshot into a new container
- Lxc: restricting container view of dmesg
- Main Page
- Md0 : active (auto-read-only) in /proc/mdadm
- Mdadm: stopping and starting RAID check in Linux
- Mongo: enabling user auth
- Mounting QEMU / KVM images manually
- Multiple shared IPs in WHM
- MySQL: Converting all tables in all databases from MyISAM to InnoDB
- MySQL: avoiding "Waiting for table metadata lock" when executing "ALTER TABLE"
- MySQL: changing ROW FORMAT to DYNAMIC or COMPRESSED
- MySQL: changing database character set and collate
- MySQL: connecting to different ports on localhost
- MySQL: split whole database dump into separate databases
- MySQL: unattended Percona Server 5.7 installation
- MySQL - can't raise max connections over 214
- MySQL replication: adding a new database
- Mysqldump: dumping only one table
- NODE.JS: sh: 1: node: Permission denied
- Nagios / icinga: MEMORY CRITICAL - Unable to interpret /usr/bin/free output
- Nested VirtualBox in KVM and kernel crashing
- Nginx: 413 Request Entity Too Large
- Nginx: serving different robots.txt for SSL and non-SSL version of the website
- Nginx HTTP basic auth – allowing IP or password-based access
- OpenSSH: sftp-only chrooted user
- OpenSSH: tunnel-only user
- Plesk: "The specified limit is invalid" when trying to change mailbox quota
- Poor write performance on Fusion MPT SAS RAID controllers
- Postfix and multiple SSL certificates
- PostgreSQL: ERROR: invalid page header in block 13760 of relation base/16995/67484
- PostgreSQL: create a user with password and assign it to a database
- Problems starting elasticsearch in Ubuntu 16.04
- Protecting WordPress wp-admin / wp-login.php areas against dictionary attacks and DDoS
- REL="nofollow" and Mailman
- Renaming mongo shards
- Repairing broken PostgreSQL databases / tables
- Resizing qcow2 images
- Restoring a single table from a large MySQL dump file
- Rooting Motorola Droid Razr xt910 from Linux
- Routing with multiple network cards
- Routing with two default gateways
- Rsync exit codes
- Running Debian on ASUS WL-500G deluxe
- Running Debian on ASUS WL-500G deluxe:Additional hardware
- Running Debian on ASUS WL-500G deluxe:Downloads
- Running Debian on ASUS WL-500W
- Running Debian on Freecom FSG-3
- Running Debian on Freecom FSG-3:Atheros
- Running Debian on Thecus n4100
- Running Debian on Thecus n5200
- Running Xen with LILO
- SOCKS proxy with OpenSSH (instead of port forwarding)
- SSH exit codes
- SSH session logging / recording
- Scripting qemu / kvm monitor
- Secure rsync over SSH without shell access
- Serious security flaw in WHM/cPanel – symlinks and .htaccess can be evil
- Setting cpu affinity for programs with large number of threads
- Setting up DKIMproxy with Exim for DKIM and DomainKeys signing
- Shell: finding the biggest file on the server
- Simple file sharing with Samba 3
- Simple file sharing with Samba 4
- Simple filesystem read/write tracing with /proc/sys/vm/block dump
- Sitemap.xml for Mailman
- Software RAID in Linux
- Solving reliability and scalability problems with iSCSI
- Solving reliability and scalability problems with iSCSI, part 2
- Source port routing
- Stale NFS handle
- Static IPs with netplan
- Static compilation of cpuminer
- Testing RAM on a server without rebooting to run memtest86+
- The smallest Windows domain controller on Earth
- Tmux attach: no sessions
- Unicast VXLAN: overlay network for multiple servers with dozens of containers
- Unprivileged lxc containers and open file limit problem
- Upgrading Redmine from 1.4.4 to 2.3.x on Debian Wheezy using deb packages
- Using fault injection
- Using openssl instead of telnet to test HTTPS, POP3S connections
- Using tcpdump to detect malware presence
- Viewing Linux console screens
- WHM/cpanel: HTTP basic auth not working
- “Error: queue file write error” with Postfix and Amavis